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  Subjects -> CONSERVATION (Total: 140 journals)
Showing 1 - 37 of 37 Journals sorted alphabetically
Advanced Sustainable Systems     Hybrid Journal   (Followers: 5)
African Journal of Ecology     Hybrid Journal   (Followers: 16)
African Journal of Range & Forage Science     Hybrid Journal   (Followers: 13)
African Journal of Wildlife Research     Full-text available via subscription   (Followers: 7)
AICCM Bulletin     Hybrid Journal   (Followers: 1)
Ambiens. Revista Iberoamericana Universitaria en Ambiente, Sociedad y Sustentabilidad     Open Access   (Followers: 1)
American Journal of Rural Development     Open Access   (Followers: 7)
American Museum Novitates     Open Access   (Followers: 5)
Animal Conservation     Hybrid Journal   (Followers: 43)
Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society     Open Access   (Followers: 7)
Aquatic Conservation Marine and Freshwater Ecosystems     Hybrid Journal   (Followers: 41)
Arcada : Revista de conservación del patrimonio cultural     Open Access   (Followers: 1)
Archeomatica     Open Access   (Followers: 9)
Arid Land Research and Management     Hybrid Journal   (Followers: 10)
Asian Journal of Sustainability and Social Responsibility     Open Access   (Followers: 4)
Australasian Plant Conservation: Journal of the Australian Network for Plant Conservation     Full-text available via subscription   (Followers: 4)
Biodiversity and Conservation     Open Access   (Followers: 245)
Biological Conservation     Hybrid Journal   (Followers: 378)
Business Strategy and the Environment     Hybrid Journal   (Followers: 13)
Catalysis for Sustainable Energy     Open Access   (Followers: 11)
Challenges in Sustainability     Open Access   (Followers: 8)
Chelonian Conservation and Biology     Hybrid Journal   (Followers: 9)
Conservación Vegetal     Open Access  
Conservation     Hybrid Journal   (Followers: 28)
Conservation Biology     Hybrid Journal   (Followers: 335)
Conservation Genetics     Hybrid Journal   (Followers: 19)
Conservation Science     Open Access   (Followers: 25)
Conservation Science and Practice     Open Access  
Diversity and Distributions     Open Access   (Followers: 44)
Earth's Future     Open Access   (Followers: 3)
Eastern European Countryside     Open Access   (Followers: 2)
Eco-Entrepreneur     Open Access  
Ecological Economics     Hybrid Journal   (Followers: 201)
Ecological Psychology     Hybrid Journal   (Followers: 3)
Ecological Restoration     Full-text available via subscription   (Followers: 22)
Ecology and Evolution     Open Access   (Followers: 94)
Ecology and Society     Open Access   (Followers: 51)
Environment and Natural Resources Journal     Open Access  
Environmental and Resource Economics     Hybrid Journal   (Followers: 25)
Environmental and Sustainability Indicators     Open Access   (Followers: 3)
Environmental Conservation     Hybrid Journal   (Followers: 59)
Ethnobiology and Conservation     Open Access   (Followers: 3)
European Countryside     Open Access   (Followers: 1)
Forest Policy and Economics     Hybrid Journal   (Followers: 22)
Forum Journal     Full-text available via subscription   (Followers: 1)
Frontiers in Ecology and Evolution     Open Access   (Followers: 43)
Functional Ecology     Hybrid Journal   (Followers: 52)
Future Anterior     Full-text available via subscription  
Global Ecology and Biogeography     Hybrid Journal   (Followers: 74)
Global Ecology and Conservation     Open Access   (Followers: 16)
Human Dimensions of Wildlife: An International Journal     Hybrid Journal   (Followers: 6)
Ideas in Ecology and Evolution     Open Access   (Followers: 11)
In Situ. Revue des patrimoines     Open Access   (Followers: 1)
Indonesian Journal of Conservation     Open Access  
Indonesian Journal of Sustainability Accounting and Management     Open Access   (Followers: 1)
Interações (Campo Grande)     Open Access  
Interdisciplinary Environmental Review     Hybrid Journal   (Followers: 3)
International Journal of Architectural Heritage: Conservation, Analysis, and Restoration     Hybrid Journal   (Followers: 10)
International Journal of Biodiversity and Conservation     Open Access   (Followers: 4)
International Journal of Biodiversity Science and Management     Open Access   (Followers: 9)
International Journal of Environment and Pollution     Hybrid Journal   (Followers: 2)
International Journal of Global Energy Issues     Hybrid Journal   (Followers: 8)
International Journal of Social Ecology and Sustainable Development     Full-text available via subscription   (Followers: 10)
International Journal of Sustainable Development     Hybrid Journal   (Followers: 16)
International Journal of Sustainable Development and World Ecology     Hybrid Journal   (Followers: 13)
International Soil and Water Conservation Research     Open Access   (Followers: 3)
Intervención     Open Access   (Followers: 1)
Journal for Nature Conservation     Hybrid Journal   (Followers: 31)
Journal for the Study of Religion, Nature and Culture     Hybrid Journal   (Followers: 12)
Journal of East African Natural History     Full-text available via subscription   (Followers: 7)
Journal of Ecology and The Natural Environment     Open Access   (Followers: 4)
Journal of Industrial Ecology     Hybrid Journal   (Followers: 15)
Journal of International Wildlife Law & Policy     Hybrid Journal   (Followers: 4)
Journal of Natural Resources Policy Research     Hybrid Journal   (Followers: 10)
Journal of Paper Conservation     Hybrid Journal   (Followers: 3)
Journal of Rural Studies     Hybrid Journal   (Followers: 17)
Journal of Sustainable Mining     Open Access   (Followers: 3)
Journal of the American Institute for Conservation     Hybrid Journal   (Followers: 4)
Journal of the Institute of Conservation     Hybrid Journal   (Followers: 27)
Journal of Threatened Taxa     Open Access   (Followers: 2)
Journal of Urban Ecology     Open Access   (Followers: 5)
Julius-Kühn-Archiv     Open Access  
Lakes & Reservoirs Research & Management     Hybrid Journal   (Followers: 14)
Landscape and Urban Planning     Hybrid Journal   (Followers: 33)
Madagascar Conservation & Development     Open Access   (Followers: 3)
Madera y Bosques     Open Access  
Media Konservasi     Open Access   (Followers: 1)
Monographs of the Western North American Naturalist     Full-text available via subscription  
Natural Resources and Conservation     Open Access   (Followers: 5)
Natural Resources Forum     Hybrid Journal   (Followers: 7)
Nature Conservation     Open Access   (Followers: 36)
Nature Sustainability     Hybrid Journal   (Followers: 11)
Natureza & Conservação : Brazilian Journal of Nature Conservation     Open Access  
Neotropical Biology and Conservation     Open Access   (Followers: 2)
Nepalese Journal of Development and Rural Studies     Open Access  
Northeastern Naturalist     Full-text available via subscription   (Followers: 3)
Northwestern Naturalist     Full-text available via subscription  
Novos Cadernos NAEA     Open Access   (Followers: 1)
npj Urban Sustainability     Open Access   (Followers: 2)
Nusantara Bioscience     Open Access   (Followers: 4)
Ocean Acidification     Open Access   (Followers: 6)
One Ecosystem     Open Access  
Oryx     Hybrid Journal   (Followers: 18)
Pacific Conservation Biology     Full-text available via subscription   (Followers: 2)
Park Watch     Full-text available via subscription   (Followers: 1)
Proceedings of the Academy of Natural Sciences of Philadelphia     Full-text available via subscription   (Followers: 4)
Process Integration and Optimization for Sustainability     Hybrid Journal  
Rangeland Journal     Hybrid Journal   (Followers: 4)
Recursos Rurais     Open Access   (Followers: 1)
Recycling     Open Access  
Resources, Conservation & Recycling     Hybrid Journal   (Followers: 23)
Resources, Conservation & Recycling : X     Open Access   (Followers: 2)
Restoration Ecology     Hybrid Journal   (Followers: 47)
Revista de Ciencias Ambientales     Open Access   (Followers: 2)
Revista de Direito e Sustentabilidade     Open Access  
Revista Meio Ambiente e Sustentabilidade     Open Access   (Followers: 1)
Revista Memorare     Open Access  
Rural Sustainability Research     Open Access   (Followers: 4)
Savana Cendana     Open Access  
Society & Natural Resources: An International Journal     Hybrid Journal   (Followers: 20)
Socio-Ecological Practice Research     Hybrid Journal  
Soil Ecology Letters     Hybrid Journal  
Southeastern Naturalist     Full-text available via subscription   (Followers: 3)
Southern Forests : a Journal of Forest Science     Hybrid Journal   (Followers: 4)
Studies in Conservation     Hybrid Journal   (Followers: 14)
Sustainable Earth     Open Access  
Sustainable Environment Agricultural Science (SEAS)     Open Access  
Sustentabilidade em Debate     Open Access  
Tanzania Journal of Forestry and Nature Conservation     Full-text available via subscription   (Followers: 2)
The American Midland Naturalist     Full-text available via subscription   (Followers: 11)
The Southwestern Naturalist     Full-text available via subscription   (Followers: 3)
Tropical Conservation Science     Open Access   (Followers: 2)
Tropical Ecology     Hybrid Journal  
VITRUVIO : International Journal of Architectural Technology and Sustainability     Open Access  
Water Conservation Science and Engineering     Hybrid Journal   (Followers: 1)
Western North American Naturalist     Full-text available via subscription   (Followers: 1)
Wildfowl     Open Access   (Followers: 8)
Wildlife Australia     Full-text available via subscription   (Followers: 1)
Wildlife Research     Hybrid Journal   (Followers: 15)
World Review of Entrepreneurship, Management and Sustainable Development     Hybrid Journal   (Followers: 3)

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Similar Journals
Journal Cover
Journal Prestige (SJR): 0.981
Citation Impact (citeScore): 2
Number of Followers: 18  
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 0030-6053 - ISSN (Online) 1365-3008
Published by Cambridge University Press Homepage  [395 journals]
  • ORX volume 55 issue 1 Cover and Front matter
    • PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001271
      Issue No: Vol. 55, No. 1 (2021)
  • ORX volume 55 issue 1 Cover and Back matter
    • PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001283
      Issue No: Vol. 55, No. 1 (2021)
  • Reverse the Red: achieving global biodiversity targets at national level
    • Authors: Jon Paul Rodríguez
      Pages: 1 - 2
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001337
      Issue No: Vol. 55, No. 1 (2021)
  • Briefly
    • Pages: 3 - 8
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S003060532000126X
      Issue No: Vol. 55, No. 1 (2021)
  • Ship sturgeon rediscovered in the Rioni River in Georgia
    • Authors: Tamar Beridze; Tamari Edisherashvili, Cort Anderson, Fleur Scheele
      Pages: 9 - 9
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001003
      Issue No: Vol. 55, No. 1 (2021)
  • Cassine+koordersii,+a+tree+endemic+to+East+Java+and+last+collected+in+1898&rft.title=Oryx&rft.issn=0030-6053&rft.date=2021&rft.volume=55&rft.spage=9&rft.epage=10&rft.aulast=Robiansyah&rft.aufirst=Iyan&rft.au=Iyan+Robiansyah&rft.au=Enggal+Primananda,+Hendra+Helmanto,+Dipta+Sumeru+Rinandio,+Megan+Barstow&rft_id=info:doi/10.1017/S0030605320001015">Status of Cassine koordersii, a tree endemic to East Java and last
           collected in 1898
    • Authors: Iyan Robiansyah; Enggal Primananda, Hendra Helmanto, Dipta Sumeru Rinandio, Megan Barstow
      Pages: 9 - 10
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001015
      Issue No: Vol. 55, No. 1 (2021)
  • Threats to an undescribed songbird species in Indonesia
    • Authors: Darren P. O'Connell; Thomas E. Martin, David J. Kelly, Nicola M. Marples, Kangkuso Analuddin, Adi Karya
      Pages: 10 - 10
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001027
      Issue No: Vol. 55, No. 1 (2021)
  • Saving the Tapanuli orangutan requires zero losses
    • Authors: Serge Wich; Erik Meijaard
      Pages: 10 - 11
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001052
      Issue No: Vol. 55, No. 1 (2021)
  • Tourism development projects and nature loss on Xuedou Mountain, China
    • Authors: Chentao Li; Shuo Gao, Li Xia
      Pages: 11 - 11
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320001192
      Issue No: Vol. 55, No. 1 (2021)
  • Tuna regional fisheries management organizations and the conservation of
           sea turtles: a reply to Godley et al.
    • Authors: Juan Antonio Camiñas; Andrés Domingo, Rui Coelho, Paul De Bruyn, Francisco Abascal, Jose Carlos Baéz
      Pages: 12 - 12
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605320000708
      Issue No: Vol. 55, No. 1 (2021)
  • Review of the status and conservation of tenrecs (Mammalia: Afrotheria:
    • Authors: P. J. Stephenson; Voahangy Soarimalala, Steven M. Goodman, Martin E. Nicoll, Vonjy Andrianjakarivelo, Kathryn M. Everson, Michael Hoffmann, Paulina D. Jenkins, Link E. Olson, Martin Raheriarisena, Felix Rakotondraparany, Daniel Rakotondravony, Vololomboahangy Randrianjafy, Nanie Ratsifandrihamanana, Andrew Taylor
      Pages: 13 - 22
      Abstract: The mammal family Tenrecidae (Afrotheria: Afrosoricida) is endemic to Madagascar. Here we present the conservation priorities for the 31 species of tenrec that were assessed or reassessed in 2015–2016 for the IUCN Red List of Threatened Species. Six species (19.4%) were found to be threatened (4 Vulnerable, 2 Endangered) and one species was categorized as Data Deficient. The primary threat to tenrecs is habitat loss, mostly as a result of slash-and-burn agriculture, but some species are also threatened by hunting and incidental capture in fishing traps. In the longer term, climate change is expected to alter tenrec habitats and ranges. However, the lack of data for most tenrecs on population size, ecology and distribution, together with frequent changes in taxonomy (with many cryptic species being discovered based on genetic analyses) and the poorly understood impact of bushmeat hunting on spiny species (Tenrecinae), hinders conservation planning. Priority conservation actions are presented for Madagascar's tenrecs for the first time since 1990 and focus on conserving forest habitat (especially through improved management of protected areas) and filling essential knowledge gaps. Tenrec research, monitoring and conservation should be integrated into broader sustainable development objectives and programmes targeting higher profile species, such as lemurs, if we are to see an improvement in the conservation status of tenrecs in the near future.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001205
      Issue No: Vol. 55, No. 1 (2021)
  • What is driving declines of montane endemic amphibians' New insights
           from Mount Bamboutos, Cameroon
    • Authors: A. M. Tchassem F.; T. M. Doherty-Bone, M. M. Kameni N., W. P. Tapondjou N., J. L. Tamesse, L. N. Gonwouo
      Pages: 23 - 33
      Abstract: Amphibians on African mountains are threatened by habitat loss and fragmentation, pollution, disease and climate change. In particular, there have been recent reports of declines of montane endemic frogs in Cameroon. Mount Bamboutos, although home to numerous species of endemic amphibians, has no official protection and its amphibian populations have so far not been studied quantitatively. We surveyed frog assemblages on this mountain along a gradient of forest modification over a 2-year period. Through visual encounter surveys stratified across forest and farmland, we found that threatened montane amphibian species are closely associated with forested areas, particularly the Critically Endangered Leptodactylodon axillaris and Endangered Leptodactylodon perreti, Astylosternus ranoides and Cardioglossa oreas. Using the updated inventory of amphibians, which includes species with broader ranges across Africa, we found 69% of amphibian species on Mount Bamboutos to be threatened. We did not record several species present in historical records, which suggests they may have disappeared from this mountain, including Cardioglossa pulchra, Phrynobatrachus steindachneri, Phrynobatrachus werneri, Sclerophrys villiersi, Werneria bambutensis and Wolterstorffina mirei. The pattern of change detected in the amphibian community is consistent with declines on other mountains in the country, with a loss of Phrynobatrachus, Werneria and Cardioglossa spp., but persistence of Astylosternus, Arthroleptis and Leptodacty-lodon. The observed relationships of land-use patterns and amphibian diversity suggest that ongoing land-use changes could extirpate the remaining montane endemic frog species, particularly L. axillaris and L. perreti. Preserving a network of connected forest patches is therefore critical to save the endemic amphibians of Mount Bamboutos.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001448
      Issue No: Vol. 55, No. 1 (2021)
  • Estimating leopard density across the highly modified human-dominated
           landscape of the Western Cape, South Africa
    • Authors: Carolyn H. Devens; Matt W. Hayward, Thulani Tshabalala, Amy Dickman, Jeannine S. McManus, Bool Smuts, Michael J. Somers
      Pages: 34 - 45
      Abstract: Apex predators play a critical role in maintaining the health of ecosystems but are highly susceptible to habitat degradation and loss caused by land-use changes, and to anthropogenic mortality. The leopard Panthera pardus is the last free-roaming large carnivore in the Western Cape province, South Africa. During 2011–2015, we carried out a camera-trap survey across three regions covering c. 30,000 km2 of the Western Cape. Our survey comprised 151 camera sites sampling nearly 14,000 camera-trap nights, resulting in the identification of 71 individuals. We used two spatially explicit capture–recapture methods (R programmes secr and SPACECAP) to provide a comprehensive density analysis capable of incorporating environmental and anthropogenic factors. Leopard density was estimated to be 0.35 and 1.18 leopards/100 km2, using secr and SPACECAP, respectively. Leopard population size was predicted to be 102–345 individuals for our three study regions. With these estimates and the predicted available leopard habitat for the province, we extrapolated that the Western Cape supports an estimated 175–588 individuals. Providing a comprehensive baseline population density estimate is critical to understanding population dynamics across a mixed landscape and helping to determine the most appropriate conservation actions. Spatially explicit capture–recapture methods are unbiased by edge effects and superior to traditional capture–mark–recapture methods when estimating animal densities. We therefore recommend further utilization of robust spatial methods as they continue to be advanced.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001473
      Issue No: Vol. 55, No. 1 (2021)
  • First country-wide survey of the Endangered Asian elephant: towards better
           conservation and management in Sri Lanka
    • Authors: Prithiviraj Fernando; M.K. Channa R. De Silva, L.K.A. Jayasinghe, H.K. Janaka, Jennifer Pastorini
      Pages: 46 - 55
      Abstract: The Endangered Asian elephant Elephas maximus comes into widespread conflict with agrarian communities, necessitating active management. The species’ distribution is of primary importance for management planning. However, data-based countrywide distribution maps have not been available for any of the 13 Asian elephant range states. We conducted a 5 × 5 km grid-based questionnaire survey in Sri Lanka to produce an island-wide elephant distribution map. Elephants occur over 59.9% of Sri Lanka and people are resident in 69.4% of elephant range, indicating the challenge of separating people and elephants at a landscape scale. Elephants in Sri Lanka have lost 16.1% of their range since 1960 but their current distribution remains largely contiguous. We found the range of adult males was 15.1% greater, and less seasonal, than that of herds, possibly because males have a higher tolerance for conflict with people. The distribution of conflict coincided with the co-occurrence of humans and elephants. We conclude that a human–elephant coexistence model is the only viable option for effectively mitigating human–elephant conflict and conserving elephants in Sri Lanka. The findings are currently being used to effect a paradigm change in elephant conservation and management in the country.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001254
      Issue No: Vol. 55, No. 1 (2021)
  • Counting Sunda clouded leopards with confidence: incorporating individual
           heterogeneity in density estimates
    • Authors: Azlan Mohamed; Rahel Sollmann, Seth Timothy Wong, Jürgen Niedballa, Jesse F. Abrams, Johnny Kissing, Andreas Wilting
      Pages: 56 - 65
      Abstract: Even with intensive sampling effort, data often remain sparse when estimating population density of elusive species such as the Sunda clouded leopard Neofelis diardi. An inadequate number of recaptures can make it difficult to account for heterogeneity in detection parameters. We used data from large-scale camera-trapping surveys in three forest reserves in Sabah, Malaysian Borneo, to (1) examine whether a high-density camera-trap network increases the number of recaptures for females, which tend to be more difficult to detect, thus improving the accuracy of density estimates; (2) compare density estimates from models incorporating individual heterogeneity in detection parameters with estimates from the null model to evaluate its potential bias; and (3) investigate how the size of the camera-trap grid affects density and movement estimates. We found that individual heterogeneity could not be incorporated in the single-site data analysis and only conservative null model estimates could be generated. However, aggregating data across study sites enabled us to account for individual heterogeneity and we estimated densities of 1.27–2.82 individuals/100 km2, 2–3 times higher than estimates from null models. In light of these findings, it is possible that earlier studies underestimated population density. Similar densities found in well-managed forest and recently selectively logged forest suggest that Sunda clouded leopards are relatively resilient to forest disturbances. Our analysis also revealed that camera-trapping grids for Sunda clouded leopard density estimations should cover large areas (c. 250 km2), although smaller grids could be appropriate if density or detectability are higher.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001503
      Issue No: Vol. 55, No. 1 (2021)
  • Nilgiritragus+hylocrius+in+the+Anamalai+Tiger+Reserve,+using+the+double-observer+survey+method&rft.title=Oryx&rft.issn=0030-6053&rft.date=2021&rft.volume=55&rft.spage=66&rft.epage=72&rft.aulast=Suryawanshi&rft.aufirst=Kulbhushansingh&rft.au=Kulbhushansingh+Ramesh+Suryawanshi&rft.au=Divya+Mudappa,+Munib+Khanyari,+T.+R.+Shankar+Raman,+Devika+Rathore,+M.+Ananda+Kumar,+Jenis+Patel&rft_id=info:doi/10.1017/S0030605319000553">Population assessment of the Endangered Nilgiri tahr Nilgiritragus
           hylocrius in the Anamalai Tiger Reserve, using the double-observer survey
    • Authors: Kulbhushansingh Ramesh Suryawanshi; Divya Mudappa, Munib Khanyari, T. R. Shankar Raman, Devika Rathore, M. Ananda Kumar, Jenis Patel
      Pages: 66 - 72
      Abstract: The Nilgiri tahr Nilgiritragus hylocrius is an Endangered species of mountain ungulate endemic to the Western Ghats of India, a biodiversity hotspot. Habitat fragmentation, hunting and a restricted range are the major threats to this species. Although several surveys have assessed the species’ status, a population estimate based on a scientifically robust method is needed. We used the double-observer method to estimate the population of the Nilgiri tahr in the Anamalai Tiger Reserve, a protected area in the Western Ghats. We walked 257 km of transects across the Reserve, covering 36 grassland blocks (i.e. clusters of montane grasslands that were relatively separate from each other). We counted a minimum of 422 individuals in 28 groups, and estimated the tahr population in the study area to be 510 individuals (95% CI 300–858) in 35 groups. The male:female ratio was 0.71 and the young:female ratio was 0.56. Comparing our estimate with previous surveys suggests that the Nilgiri tahr population in Anamalai Tiger Reserve is stable. We found the double-observer survey method to be appropriate for population estimation and long-term monitoring of this species, and make recommendations for improved field protocols to facilitate the implementation of the method in the tropical mountains of the Western Ghats. Our findings suggest that the Reserve harbours 20–25% of the global population of the Nilgiri tahr, highlighting the area's importance for the conservation of this species.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605319000553
      Issue No: Vol. 55, No. 1 (2021)
  • Podocnemis+expansa&rft.title=Oryx&rft.issn=0030-6053&rft.date=2021&rft.volume=55&rft.spage=73&rft.epage=80&rft.aulast=Forero-Medina&rft.aufirst=German&rft.au=German+Forero-Medina&rft.au=Camila+R.+Ferrara,+Richard+C.+Vogt,+Camila+K.+Fagundes,+Rafael+Antônio+M.+Balestra,+Paulo+C.+M.+Andrade,+Roberto+Lacava,+Rafael+Bernhard,+Alison+J.+Lipman,+Ana+Julia+Lenz,+Arnaldo+Ferrer,+Arsenio+Calle,+Andres+F.+Aponte,+Bayron+R.+Calle-Rendón,+Cássia+Santos+Camilo,+Elis+Perrone,+Esteban+Miraña,+Fabio+A.+G.+Cunha,+Eva+Loja,+Jennifer+Del+Rio,+Jorge+Luiz+Vera+Fernandez,+Omar+E.+Hermández,+Rafael+Del+Aguila,+Rafael+Pino,+Ruben+Cueva,+Sindy+Martinez,+Virgínia+Campos+Diniz+Bernardes,+Lila+Sainz,+Brian+D.+Horne&rft_id=info:doi/10.1017/S0030605318001370">On the future of the giant South American river turtle Podocnemis expansa
    • Authors: German Forero-Medina; Camila R. Ferrara, Richard C. Vogt, Camila K. Fagundes, Rafael Antônio M. Balestra, Paulo C. M. Andrade, Roberto Lacava, Rafael Bernhard, Alison J. Lipman, Ana Julia Lenz, Arnaldo Ferrer, Arsenio Calle, Andres F. Aponte, Bayron R. Calle-Rendón, Cássia Santos Camilo, Elis Perrone, Esteban Miraña, Fabio A. G. Cunha, Eva Loja, Jennifer Del Rio, Jorge Luiz Vera Fernandez, Omar E. Hermández, Rafael Del Aguila, Rafael Pino, Ruben Cueva, Sindy Martinez, Virgínia Campos Diniz Bernardes, Lila Sainz, Brian D. Horne
      Pages: 73 - 80
      Abstract: There is a long history of exploitation of the South American river turtle Podocnemis expansa. Conservation efforts for this species started in the 1960s but best practices were not established, and population trends and the number of nesting females protected remained unknown. In 2014 we formed a working group to discuss conservation strategies and to compile population data across the species’ range. We analysed the spatial pattern of its abundance in relation to human and natural factors using multiple regression analyses. We found that > 85 conservation programmes are protecting 147,000 nesting females, primarily in Brazil. The top six sites harbour > 100,000 females and should be prioritized for conservation action. Abundance declines with latitude and we found no evidence of human pressure on current turtle abundance patterns. It is presently not possible to estimate the global population trend because the species is not monitored continuously across the Amazon basin. The number of females is increasing at some localities and decreasing at others. However, the current size of the protected population is well below the historical population size estimated from past levels of human consumption, which demonstrates the need for concerted global conservation action. The data and management recommendations compiled here provide the basis for a regional monitoring programme among South American countries.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001370
      Issue No: Vol. 55, No. 1 (2021)
  • Estimating population parameters for the Critically Endangered Bermuda
           skink using robust design capture–mark–recapture modelling
    • Authors: Helena Turner; Richard A. Griffiths, Mark E. Outerbridge, Gerardo Garcia
      Pages: 81 - 88
      Abstract: Reliably estimating population parameters for highly secretive or rare animals is challenging. We report on the status of the two largest remaining populations of the Critically Endangered Bermuda skink Plestiodon longirostris, using a robust design capture–mark–recapture analysis. Skinks were tagged with passive integrated transponders on two islands and captured on 15 sampling occasions per year over 3 years. The models provided precise estimates of abundance, capture and survival probabilities and temporary emigration. We estimated skink abundance to be 547 ± SE 63.5 on Southampton Island and 277 ± SE 28.4 on Castle Island. The populations do not appear to be stable and fluctuated at both sites over the 3-year period. Although the populations on these two islands appear viable, the Bermuda skink faces population fluctuations and remains threatened by increasing anthropogenic activities, invasive species and habitat loss. We recommend these two populations for continued monitoring and conservation efforts.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001485
      Issue No: Vol. 55, No. 1 (2021)
  • Rangers can't be with every elephant: assessing rangers' perceptions of a
           community, problem-solving policing model for protected areas
    • Authors: William D. Moreto; Richard Charlton
      Pages: 89 - 98
      Abstract: Recent studies have highlighted that illegal activities occurring within protected areas, including the poaching of fauna and flora, cannot be addressed with increased law enforcement alone. Moreover, research on the increasingly militarized nature of front-line conservation efforts has pointed to potentially detrimental aspects of such approaches. This has led to a shift in focus to identifying ways to further engage local communities in the prevention and reduction of wildlife crimes. However, few studies have examined the potential for changing the responsibilities of front-line conservation personnel or their views on such changes. Such insight is vital in forecasting the successful adoption of, or possible resistance towards, a more community-oriented policy. We examined rangers’ perceptions in Uganda to assess their attitudes towards traditional enforcement strategies and alternative, non-enforcement approaches for reducing illegal activities in protected areas. Our findings suggest that although respondents believed that traditional enforcement strategies (e.g. foot patrols) are important and effective in reducing wildlife crime, these strategies on their own were insufficient to address illegal activities. Study participants emphasized the importance of expanding the role of front-line rangers, in line with approaches suggested in the policing literature. We discuss the implications of our findings for transdisciplinary conservation science research and front-line conservation policy and practice.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001461
      Issue No: Vol. 55, No. 1 (2021)
  • Improving the random encounter model method to estimate carnivore
           densities using data generated by conventional camera-trap design
    • Authors: Germán Garrote; Ramón Pérez de Ayala, Antón Álvarez, José M. Martín, Manuel Ruiz, Santiago de Lillo, Miguel A. Simón
      Pages: 99 - 104
      Abstract: The random encounter model, a method for estimating animal density using camera traps without the need for individual recognition, has been developed over the past decade. A key assumption of this model is that cameras are placed randomly in relation to animal movements, requiring that cameras are not set only at sites thought to have high animal traffic. The aim of this study was to define a correction factor that allows the random encounter model to be applied in photo-trapping surveys in which cameras are placed along tracks to maximize capture probability. Our hypothesis was that applying such a correction factor would compensate for the different rates at which lynxes use tracks and the surrounding area, and should thus improve the estimates obtained with the random encounter model. We tested this using data from a well-known Iberian lynx Lynx pardinus population. Firstly, we estimated Iberian lynx densities using a traditional camera-trapping design followed by spatially explicit capture–recapture analyses. We estimated the differential use rate for tracks vs the surrounding area using data from a lynx equipped with a GPS collar, and subsequently calculated the correction factor. As expected, the random encounter model overestimated densities by 378%. However, the application of the correction factor improved the estimate and reduced the error to 16%. Although there are limitations to the application of the correction factor, the corrected random encounter model shows potential for density estimation of species for which individual identification is not possible.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001618
      Issue No: Vol. 55, No. 1 (2021)
  • Potential ecological and socio-economic effects of a novel megaherbivore
           introduction: the hippopotamus in Colombia
    • Authors: Amanda L. Subalusky; Elizabeth P. Anderson, Germán Jiménez, David M. Post, David Echeverri Lopez, Sebastián García-R., Laura J. Nova León, Juan F. Reátiga Parrish, Ana Rojas, Sergio Solari, Luz F. Jiménez-Segura
      Pages: 105 - 113
      Abstract: Introduced species can have strong ecological, social and economic effects on their non-native environment. Introductions of megafaunal species are rare and may contribute to rewilding efforts, but they may also have pronounced socio-ecological effects because of their scale of influence. A recent introduction of the hippopotamus Hippopotamus amphibius into Colombia is a novel introduction of a megaherbivore onto a new continent, and raises questions about the future dynamics of the socio-ecological system into which it has been introduced. Here we synthesize current knowledge about the Colombian hippopotamus population, review the literature on the species to predict potential ecological and socio-economic effects of this introduction, and make recommendations for future study. Hippopotamuses can have high population growth rates (7–11%) and, on the current trajectory, we predict there could be 400–800 individuals in Colombia by 2050. The hippopotamus is an ecosystem engineer that can have profound effects on terrestrial and aquatic environments and could therefore affect the native biodiversity of the Magdalena River basin. Hippopotamuses are also aggressive and may pose a threat to the many inhabitants of the region who rely upon the Magdalena River for their livelihoods, although the species could provide economic benefits through tourism. Further research is needed to quantify the current and future size and distribution of this hippopotamus population and to predict the likely ecological, social and economic effects. This knowledge must be balanced with consideration of social and cultural concerns to develop appropriate management strategies for this novel introduction.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001588
      Issue No: Vol. 55, No. 1 (2021)
  • Pteropus+niger+on+commercial+fruit+farms+and+the+efficacy+of+mitigation&rft.title=Oryx&rft.issn=0030-6053&rft.date=2021&rft.volume=55&rft.spage=114&rft.epage=121&rft.aulast=Oleksy&rft.aufirst=Ryszard&rft.au=Ryszard+Z.+Oleksy&rft.au=Charles+L.+Ayady,+Vikash+Tatayah,+Carl+Jones,+Jérémy+S.P.+Froidevaux,+Paul+A.+Racey,+Gareth+Jones&rft_id=info:doi/10.1017/S0030605318001138">The impact of the Endangered Mauritian flying fox Pteropus niger on
           commercial fruit farms and the efficacy of mitigation
    • Authors: Ryszard Z. Oleksy; Charles L. Ayady, Vikash Tatayah, Carl Jones, Jérémy S.P. Froidevaux, Paul A. Racey, Gareth Jones
      Pages: 114 - 121
      Abstract: The endemic Mauritian flying fox Pteropus niger is perceived to be a major fruit pest. Lobbying of the Government of Mauritius by fruit growers to control the flying fox population resulted in national culls in 2015 and 2016, with a further cull scheduled for 2018. A loss of c. 38,318 individuals has been reported and the species is now categorized as Endangered on the IUCN Red List. However, until now there were no robust data available on damage to orchards caused by bats. During October 2015–February 2016 we monitored four major lychee Litchi chinensis and one mango (Mangifera spp.) orchard, and also assessed 10 individual longan Dimocarpus longan trees. Bats and introduced birds caused major damage to fruit, with 7–76% fruit loss (including natural fall and losses from fungal damage) per tree. Bats caused more damage to taller lychee trees (> 6 m high) than to smaller ones, whereas bird damage was independent of tree height. Bats damaged more fruit than birds in tall lychee trees, although this trend was reversed in small trees. Use of nets on fruiting trees can result in as much as a 23-fold reduction in the damage caused by bats if nets are applied correctly. There is still a need to monitor orchards over several seasons and to test non-lethal bat deterrence methods more widely.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001138
      Issue No: Vol. 55, No. 1 (2021)
  • Bos+javanicus+lowi+in+Sabah,+Malaysia&rft.title=Oryx&rft.issn=0030-6053&rft.date=2021&rft.volume=55&rft.spage=122&rft.epage=130&rft.aulast=Lim&rft.aufirst=Hong&rft.au=Hong+Ye+Lim&rft.au=Penny+C.+Gardner,+Nicola+K.+Abram,+Kalsum+M.+Yusah,+Benoit+Goossens&rft_id=info:doi/10.1017/S0030605318001126">Identifying habitat and understanding movement resistance for the
           Endangered Bornean banteng Bos javanicus lowi in Sabah, Malaysia
    • Authors: Hong Ye Lim; Penny C. Gardner, Nicola K. Abram, Kalsum M. Yusah, Benoit Goossens
      Pages: 122 - 130
      Abstract: Habitat prioritization and corridor restoration are important steps for reconnecting fragmented habitats and species populations, and spatial modelling approaches are useful in identifying suitable habitat for elusive tropical rainforest mammals. The Endangered Bornean banteng Bos javanicus lowi, a wild bovid endemic to Borneo, occurs in habitat that is highly fragmented as a result of extensive agricultural expansion. Based on the species’ historical distribution in Sabah (Malaysia), we conducted camera-trap surveys in 14 forest reserves during 2011–2016. To assess suitable habitat for the banteng we used a presence-only maximum entropy (MaxEnt) approach with 11 spatial predictors, including climate, infrastructure, land cover and land use, and topography variables. We performed a least-cost path analysis using Linkage Mapper, to understand the resistance to movement through the landscape. The surveys comprised a total of 44,251 nights of camera trapping. We recorded banteng presence in 11 forest reserves. Key spatial predictors deemed to be important in predicting suitable habitat included soil associations (52.6%), distance to intact and logged forests (11.8%), precipitation in the driest quarter (10.8%), distance to agro-forest and regenerating forest (5.7%), and distance to oil palm plantations (5.1%). Circa 11% of Sabah had suitable habitat (7,719 km2), of which 12.2% was in protected forests, 60.4% was in production forests and 27.4% was in other areas. The least-cost path model predicted 21 linkages and a relatively high movement resistance between core habitats. Our models provide information about key habitat and movement resistance for bantengs through the landscape, which is crucial for constructive conservation strategies and land-use planning.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001126
      Issue No: Vol. 55, No. 1 (2021)
  • Monitoring sun bears and Asiatic black bears with remotely sensed
           predictors to inform conservation management
    • Authors: Lorraine Scotson; Steven Ross, Todd W. Arnold
      Pages: 131 - 138
      Abstract: Asiatic black bear Ursus thibetanus and sun bear Helarctos malayanus populations are declining throughout South-east Asia as a result of habitat loss and human disturbance. Knowledge of the distribution and status of each species is limited and largely anecdotal. Range maps are coarse, compiled by expert opinion, and presence or absence is unknown over large portions of South-east Asia. These two species co-occur in Lao People's Democratic Republic and may be faring better there than in neighbouring countries. During 2010–2013 we searched for bear sign along 99 transects within eight study sites throughout Lao. To explore countrywide relative abundance and habitat suitability, we modelled bear sign as a log-linear function of biological and anthropogenic predictors that were associated with habitat assemblages and human disturbance. Bears favored higher elevations and rugged terrain in areas less accessible to humans, and were most abundant in the north and east of Lao. Suitable habitats were rare in the southern lowland plains where bear abundance was relatively low. Our model predicted that Nam Et–Phou Louey National Protected Area had the largest areas of suitable bear habitat, followed by the Nakai-Nam Teun and Nam Ha National Protected Areas. Using transects to survey for bear sign, we created a replicable geographical information system based assessment tool for bears in Lao that can be used to identify conservation opportunities and monitor changes in bear distribution over time.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001187
      Issue No: Vol. 55, No. 1 (2021)
  • Seasonal and spatial vulnerability to agricultural damage by elephants in
           the western Serengeti, Tanzania
    • Authors: Kristen Denninger Snyder; Philemon Mneney, Benson Benjamin, Peter Mkilindi, Noel Mbise
      Pages: 139 - 149
      Abstract: In the western Serengeti of Tanzania, African elephant Loxodonta africana populations are increasing, which is rare across the species’ range. Here, conservation objectives come into conflict with competing interests such as agriculture. Elephants regularly damage crops, which threatens livelihoods and undermines local support for conservation. For damage reduction efforts to be successful, limited resources must be used efficiently and strategies for mitigation and prevention should be informed by an understanding of the spatial and temporal distribution of crop damage. We assessed historical records of crop damage by elephants to describe the dynamics and context of damage in the western Serengeti. We used binary data and generalized additive models to predict the probability of crop damage at the village level in relation to landscape features and metrics of human disturbance. During 2012–2014 there were 3,380 reports of crop damage by elephants submitted to authorities in 42 villages. Damage was concentrated in villages adjacent to a reserve boundary and peaked during periods of crop maturity and harvest. The village-level probability of crop damage was negatively associated with distance from a reserve, positively with length of the boundary shared with a reserve, and peaked at moderate levels of indicators of human presence. Spatially aggregated historical records can provide protected area managers and regional government agencies with important insights into the distribution of conflict across the landscape and between seasons, and can guide efforts to optimize resource allocation and future land use planning efforts.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001382
      Issue No: Vol. 55, No. 1 (2021)
  • Black rhinoceros avoidance of tourist infrastructure and activity:
           planning and managing for coexistence
    • Authors: Jeff R. Muntifering; Wayne L. Linklater, Robin Naidoo, Simson !Uri-≠Khob, Pierre du Preez, Petrus Beytell, Shayne Jacobs, Andrew T. Knight
      Pages: 150 - 159
      Abstract: Wildlife-based tourism poses opportunities and challenges for species conservation. Minimizing potential negative impacts of tourism is critical to ensure business and conservation enterprises can coexist. In north-western Namibia tourism is used as a conservation tool for the Critically Endangered black rhinoceros Diceros bicornis. However, black rhinoceroses are susceptible to human disturbance and may become displaced by tourist activities, which threatens not only the security and health of the rhinoceros population but also the sustainability of the business. We examined areas avoided by black rhinoceroses to understand how they respond to the type and extent of tourism development, and to evaluate management alternatives. We used spatial data on use of water sources by rhinoceroses to create a series of a priori candidate models that described the negative influences of tourist activities on rhinoceros habitat use. A model selection approach strongly supported a cumulative zones of influence model comprised of a 6 km buffer around the airstrip combined with a 1 km buffer around roads used daily. We compared alternative management scenarios using the best-performing model and found that an optimal road-use policy combined with airstrip relocation could minimize the total area avoided by the black rhinoceros to 7.1% and loss of high quality habitat to 20.7%. Under the worst-case scenario the area avoided and loss of high quality habitat were 153 and 85% greater, respectively, than under the scenario with optimal management. Our findings provide a novel framework and a practical, policy-relevant decision support tool to improve the contribution of tourism to wildlife conservation.
      PubDate: 2021-01-01T00:00:00.000Z
      DOI: 10.1017/S0030605318001606
      Issue No: Vol. 55, No. 1 (2021)
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