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  Subjects -> CONSERVATION (Total: 142 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: 9)
American Museum Novitates     Open Access   (Followers: 5)
Animal Conservation     Hybrid Journal   (Followers: 48)
Aquaculture, Aquarium, Conservation & Legislation - International Journal of the Bioflux Society     Open Access   (Followers: 7)
Aquatic Conservation Marine and Freshwater Ecosystems     Hybrid Journal   (Followers: 43)
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: 246)
Biological Conservation     Hybrid Journal   (Followers: 383)
Business Strategy and the Environment     Hybrid Journal   (Followers: 13)
Catalysis for Sustainable Energy     Open Access   (Followers: 11)
Challenges in Sustainability     Open Access   (Followers: 11)
Chelonian Conservation and Biology     Hybrid Journal   (Followers: 9)
Conservación Vegetal     Open Access  
Conservation     Hybrid Journal   (Followers: 29)
Conservation Biology     Hybrid Journal   (Followers: 342)
Conservation Genetics     Hybrid Journal   (Followers: 21)
Conservation Science     Open Access   (Followers: 28)
Conservation Science and Practice     Open Access  
Diversity and Distributions     Open Access   (Followers: 44)
Earth's Future     Open Access   (Followers: 5)
Eastern European Countryside     Open Access   (Followers: 2)
Eco-Entrepreneur     Open Access  
Ecological Economics     Hybrid Journal   (Followers: 207)
Ecological Psychology     Hybrid Journal   (Followers: 3)
Ecological Restoration     Full-text available via subscription   (Followers: 23)
Ecology and Evolution     Open Access   (Followers: 100)
Ecology and Society     Open Access   (Followers: 52)
Environment and Natural Resources Journal     Open Access   (Followers: 1)
Environment and Planning E : Nature and Space     Hybrid Journal   (Followers: 1)
Environmental and Resource Economics     Hybrid Journal   (Followers: 26)
Environmental and Sustainability Indicators     Open Access   (Followers: 3)
Environmental Conservation     Hybrid Journal   (Followers: 61)
Ethnobiology and Conservation     Open Access   (Followers: 3)
European Countryside     Open Access   (Followers: 1)
Forest Policy and Economics     Hybrid Journal   (Followers: 23)
Forum Journal     Full-text available via subscription   (Followers: 1)
Frontiers in Ecology and Evolution     Open Access   (Followers: 45)
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: 17)
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: 3)
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: 17)
International Journal of Sustainable Development and World Ecology     Hybrid Journal   (Followers: 14)
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: 13)
Journal of Cultural Heritage Management and Sustainable Development     Hybrid Journal   (Followers: 10)
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: 18)
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: 28)
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: 34)
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: 12)
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: 24)
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: 21)
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: 2)
Western North American Naturalist     Full-text available via subscription   (Followers: 1)
Wildfowl     Open Access   (Followers: 11)
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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Journal Cover
International Soil and Water Conservation Research
Journal Prestige (SJR): 0.667
Citation Impact (citeScore): 2
Number of Followers: 3  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2095-6339
Published by Ke Ai Homepage  [71 journals]
  • The contribution of the European Society for Soil Conservation (ESSC) to
           scientific knowledge, education and sustainability

    • Abstract: Publication date: March 2019Source: International Soil and Water Conservation Research, Volume 7, Issue 1Author(s): Carmelo Dazzi, Wim Cornelis, Edoardo A.C. Costantini, Mihail Dumitru, Michael A. Fullen, Donald Gabriels, Raimonds Kasparinskis, Adam Kertész, Giuseppe Lo Papa, Guenola Pérès, Jane Rickson, José L. Rubio, Thomas Sholten, Sid Theocharopoulos, Ivan Vasenev Soil is an integral component of the global environmental system which supports the quality and diversity of terrestrial life on Earth. Therefore, it is vital to consider the processes and impacts of soil degradation on society, especially on the provision of environmental goods and services, including food security and climate change mitigation and adaptation. Scientific societies devoted to soil science play significant roles in reducing soil degradation and promoting soil conservation by advancing scientific knowledge, education and environmental sustainability.The ESSC was founded on 4 November 1988, with the aims to:1.Support research on soil degradation, soil protection and soil and water conservation.2.Provide a network for the exchange of knowledge about soil degradation processes and soil conservation research and practises.3.Produce publications on major issues relating to soil degradation and soil and water conservation.4.Advise regulators and policy-makers on soil issues, especially soil degradation, protection and conservation.The societal challenges that can be addressed through better soil protection, advancing knowledge and scientific approaches to soil protection and sustainable management, mean the ESSC embraces the on-going development, application, review and constructive criticism of highly innovative scientific soil conservation methods. In this context, the ESSC analyses and publicizes the roles and functions of soil in natural and human-modified systems and the functional optimization of soils to ensure sustainable environmental protection.“The thin layer of soil that forms a patchy covering over the continents controls our own existence and that of every other animal of the land” (Rachel Carson (1962) in ‘Silent Spring’).
       
  • Spatial assessment of the areas sensitive to degradation in the rural area
           of the municipality Čukarica

    • Abstract: Publication date: March 2019Source: International Soil and Water Conservation Research, Volume 7, Issue 1Author(s): Natalija Momirović, Ratko Kadović, Veljko Perović, Miloš Marjanović, Aleksandar Baumgertel In this paper, the assessment of the sensitivity of the soil in the rural area of Čukarica municipality to the processes of degradation is considered. Land areas, especially in the vicinity of large cities, are exposed to numerous processes of degradation: soil erosion, urban and industrial zone expansion at the expense of fertile agricultural soils, activation of landslides and a number of other significant ecological problems. Based on the characteristics of the research area, the MEDALUS (Mediterranean Desertification and Land Use) model was applied, and for the assessment of sensitivity to the processes of degradation the main quality indicators were considered: soil, climate, vegetation and management. For each of the analyzed quality indicators, parameter groups were identified. Each parameter is quantified according to the defined method by giving them a sensitivity coefficient between 1.0 and 2.0. ArcGIS 10.0 has been applied to analyze and prepare layers of quality maps. Subsequently, the geometric mean for all four quality indicators was used to generate the map of environmental sensitivity to degradation. The results obtained show that 41.54% of the study area is classified as critical; 22.34% of the surface as fragile; 8.47% of the areas are potentially endangered and 9.58% not threatened to degradation processes. The results have also shown that MEDALUS model is a functional tool for simulations which support sustainable land management in the areas prone to degradation.
       
  • Impact of mine waters on chemical composition of soil in the Partizansk
           Coal Basin, Russia

    • Abstract: Publication date: March 2019Source: International Soil and Water Conservation Research, Volume 7, Issue 1Author(s): Ola Arefieva, Alina V. Nazarkina, Natalya V. Gruschakova, Julia E. Skurikhina, Vera B. Kolycheva Partizansk Coal Basin, located in the south of the Russian Far Eastern Region, was intensively mined from 1918 until 1998. Although it was mostly explored by underground excavation, the natural landscapes were transformed into anthropogenic ones. After the mines closed, ground subsidence occurred widely, especially in areas near the waste dumps. This caused water tables to rise to the surface and pollute the soil. Analysis of the hydrochemical composition of the mine waters were conducted in 2011–2013, and showed low alkalinity and average level of mineralization. This can be explained by the fact that while going up through soil mass, the mine waters lost their much of their pollutants due to soil buffering. All mine water samples contain thermo-tolerant coliform bacteria E. coli that indicates a source of fresh fecal pollution. Our research indicates increased hydrocarbon ion concentrations in mine waters, especially in autumn, that resulted in accumulation of chromium and copper compounds, which can cause soil pollution. A strong relationship between the chemical composition of the mine waters and soil extracts was found within areas of unregulated groundwater discharge on the surface. Significant negative correlation between pH and content of metal compounds including chromium and copper was found at the “Avangard” mine (r = − 0.95); and between alkalinity and chromium content at the “Glubokaya” mine (r = − 0.94).
       
  • Sustainable land management practices, off-farm work participation and
           vulnerability among farmers in Ghana: Is there a nexus'

    • Abstract: Publication date: March 2019Source: International Soil and Water Conservation Research, Volume 7, Issue 1Author(s): Gazali Issahaku, Awal Abdul-Rahaman Addressing issues of agricultural sustainability and vulnerability to poverty under climate change are major challenges to development in the 21st century. Accounting for the trade-off and synergies between off-farm work participation and sustainable land management on one hand, and vulnerability to poverty on the other hand, will therefore be useful to policy. In this study, we use recent farm household data from Ghana to examine the effect of off-farm work participation on intensity of adoption of sustainable land management (SLM) practices and impact of off-farm work participation on vulnerability to poverty. We employed a bivariate Tobit model to examine the determinants of SLM adoption intensity, and endogenous switching probit model to assess the impact of off-farm work participation on vulnerability to poverty. The results reveal that participation in off-farm is positively and significantly associated with adoption intensity of bunds, and organic manure. The results also show that off-farm work participation significantly reduces household vulnerability to poverty by 13%. Based on these findings, we conclude that rural development through non-farm work opportunities can lead to positive synergies between sustainable agricultural production, off-farm employment and poverty alleviation.
       
  • Pisha sandstone: Causes, processes and erosion options for its control and
           prospects

    • Abstract: Publication date: March 2019Source: International Soil and Water Conservation Research, Volume 7, Issue 1Author(s): Zhishui Liang, Zhiren Wu, Wenyi Yao, Mohammad Noori, Caiqian Yang, Peiqing Xiao, Yuanbao Leng, Lin Deng Pisha sandstone is a special kind of soft rock in the semiarid region along the up and middle reaches of Yellow River and Loess Plateau and is severely eroded by wind, rainfall and gravity force. Pisha sandstone region is called “the most severe water loss and soil erosion in the world” and referred to as the “Earth Cancer” by local residents and experts both at home and abroad. The plan for the control of Pisha sandstone started in the 1950s. Since then a series of projects have been implemented, both engineering and vegetation measures have been developed and widely used to protect Pisha sandstone from erosion. Since seabuckthorn was introduced as a viable approach for soil erosion protection and its implementation resulted in a breakthrough to control Loess Plateau, it was considered as an important and efficient measure. Then the seabuckthorn flexible dam was proposed for coarse sediment retention and fine sediment deposition. And then a new comprehensive control model using consolidation materials combined with vegetation was proposed and promising results were achieved both in laboratory and field demonstrations. In the future, the complex erosion mechanism and ecological carrying capacity should be studied further and more efficient and practical comprehensive measures shall be developed. Moreover, monitoring systems shall be used to predict and detect the changes in the Pisha sandstone slope and structure.
       
  • Effects of patchy distributed Artemisia capillaris on overland flow
           hydrodynamic characteristics

    • Abstract: Publication date: March 2019Source: International Soil and Water Conservation Research, Volume 7, Issue 1Author(s): Guanhua Zhang, Jiajun Hu Laboratory-simulated rainfall experiments were conducted to quantify the effects of patchy distributed Artemisia capillaris on overland flow hydrodynamics. Rainfall intensities of 60, 90, 120, and 150 mm h–1 were applied on a bare plot (CK) and four different patched patterns: a checkerboard pattern (CP), a banded pattern perpendicular to slope direction (BP), a single long strip parallel to slope direction (LP), and a pattern with small patches distributed like the letter ‘X’ (XP). Each patterned plot underwent two sets of experiments, intact plant and root (the above-ground parts were removed), respectively. Results showed that flow velocity increased with rainfall intensity, and the lower slope velocity was higher than the upper slope. The removal of grass shoots significantly increased flow velocity. The contributions of grass shoots and roots to the reductions in flow velocity under different rainfall intensities were different. The shoots made greater contribution of 53–97% at 60 and 90 mm h–1, and the roots contributed more (51–81%) at 120 and 150 mm h–1. Mean flow depth increased with rainfall intensity and it declined after the aboveground parts were cleared. Reynold numbers (Re) in this study were 25–80, indicating a laminar flow in the study. Froude numbers (Fr) were ≥ 1 for CK and
       
  • Postglacial incision-infill cycles at the Borisoglebsk Upland:
           Correlations between interfluve headwaters and fluvial network

    • Abstract: Publication date: Available online 20 February 2019Source: International Soil and Water Conservation ResearchAuthor(s): Yuliya V. Shishkina, Ekaterina V. Garankina, Vladimir R. Belyaev, Ilya G. Shorkunov, Pavel V. Andreev, Aleksey I. Bondar, Viktoria I. Potapova, Tatiana A. Verlova The article discusses postglacial landscape transformation in the Northern Hemisphere Middle Pleistocene glaciation area located in the center of the Russian Plain. We attempted to verify the regional paleogeographic model by reconstructing the Late Pleistocene incision-infill cycles at the Eastern Borisoglebsk Upland based on a comparison of inactive interfluves headwaters and actual fluvial network palaeoarchives. The study was also aimed to determine the past extent of fluvial systems. Interdisciplinary research of the actual and buried topography, lithology and pedogenic properties of surface deposits was carrid out with remote sensing data interpretation, DGPS survey, and detailed description of geological cores involved. The study was followed by analysis of grain size, chemical and organic contents, microstructure, and numerical dating. Integrating the available results, we propose a scenario of the fluvial network transformation at the Eastern Borisoglebsk Upland over the last 150 ka. At least four fluvial incision stages were determined while network extent has significantly changed through the Late Pleistocene. Three can be generally associated with the regional base level decrease – Late Moscow, Late Valdai and Late Holocene and accompanying isolation of the Nero Lake terraces of 130 m, 100–105 m and 95–98 m. Incision stages were separated by landscape stability or aggradation periods those were asynchronous at the middle and upper parts of the fluvial network. The main agent of initial valley infill appears to be local lacustrine sedimentation altered by alluvial and colluvial deposition towards the second half of Valdai. Revealed landscape conditions variability emphasize the importance of comprehensive local correlations for regional retrospective models.
       
  • Use of a calibrated SWAT model to evaluate the effects of agricultural
           BMPs on sediments of the Kalaya river basin (North of Morocco)

    • Abstract: Publication date: Available online 18 February 2019Source: International Soil and Water Conservation ResearchAuthor(s): Hamza Briak, Rachid Mrabet, Rachid Moussadek, Khadija Aboumaria Soil erosion from agricultural fields is a worldwide problem, to influence water quality, soil fertility and reservoir sedimentation especially in Mediterranean countries such as Morocco. In fact, this work assesses the effects of Best Management Practices (BMPs) on sediments using the Soil and Water Assessment Tool (SWAT) model in the Kalaya watershed in Northern Morocco, to recommend the most appropriate practice. This study is based on the use of three most usable practices: contouring, strip-cropping and terracing, by the calibrated SWAT model. The general parameters of the model have been modified to reflect the implementation of different agricultural BMPs used. Resulting sediment yield were compared with the baseline scenario, for validation. However, the effective measures to reduce sediment losses at the watershed level are organized according to their effectiveness, and these are terracing (28% reduction and the value is 15t/ha/yr) followed by strip-cropping (9% reduction and the value is 5t/ha/yr). In contrast, measurements performed by the contouring are inappropriate for the study area because they have contributed to increasing the soil erosion (more than 31% of losses and the value is 17t/ha/yr more than existing conditions). Therefore, the model illustrates that the terrace is effective for reducing sediment losses and limiting soil erosion especially on steep slopes. Thus, the results provide useful information for targeted management in order to implement the most effective agricultural BMPs in the watershed.
       
  • Spatial distribution and source identification of heavy metals (As, Cr, Cu
           and Ni) at sub-watershed scale using geographically weighted regression

    • Abstract: Publication date: Available online 16 February 2019Source: International Soil and Water Conservation ResearchAuthor(s): Maziar Mohammadi, Abdulvahed Khaledi Darvishan, Nader Bahramifar Heavy metals are among the most important sources of water and soil pollution. These elements accumulate in the agricultural soil through using contaminated water for irrigation, fertilizers, pesticide and enter to the river systems by water erosion. Therefore, land use plays a serious role in water and sediment pollution. In this regards, geographically weighted regression was used to investigate the spatial correlation between sediment heavy metals and land uses in a highland watershed. The landuse map was used to calculate the area percentage of landuse types in sub-watersheds, followed by geographically weighted regression method to investigate the spatial correlation of As, Cr, Cu and Ni versus three types of land uses. The highest correlation was observed for irrigated plots versus As and Ni in upstream and for rainfed plots versus AS, Ni and Cr in the downstream. The relationship between heavy metals and developed lands was more complicated and the highest correlation was found for Ni and As at outlet (R2 = 0.52–0.89), for Cr in the upstream (R2 = 0.50–0.76), and for Cu in the upstream and downstream (R2 = 0.36–0.60). The results indicated that there is a positive correlation between heavy metals and land uses which varies with the level of agricultural and urbanization development at sub-watershed. Based on the findings, appropriate policies and decisions should be taken on agricultural land to prevent the transfer of heavy metals by sediment to aquatic environments.
       
  • Quantitative analysis of morphometry on Ribb and Gumara watersheds:
           Implications for soil and water conservation

    • Abstract: Publication date: Available online 5 February 2019Source: International Soil and Water Conservation ResearchAuthor(s): Daniel Asfaw, Getachew Workineh Morphometric analysis is a quantitative measurement and mathematical analysis of landforms. It plays a significant role in understanding the geohydrological characteristics of a drainage basin in relation to the terrain feature and its flow patterns. It also helps to estimate the incidence of infiltration and runoff, and other related hydrological character of a watershed like erosion and sediment transport which has a strong implication for natural resource conservation. This study has attempted to quantify the morphometric characteristics of Guna- Tana watershed for proper implementation of soil and water conservation practices. ASTER (DEM) was used for extracting morphometric parameters. The watershed covers a total area of 3601.5 km2 and it has a basin length of 78.89 km. It has been tried to generate morphometric parameters which account basin drainage network, geometry, drainage texture, and relief characteristics together with hypsometric characteristics. The morphometric analysis of drainage density of the study watershed is 0.49 km/km2 which indicates the basin is highly permeable and result with better underground water storage capacity. Ruggedness number is 0.02 that implies the area is less prone to soil erosion. In addition, it has stream frequency of 0.32 and form factor 0.57 which indicates slightly elongated basin shape. Comparative analysis of its sub watersheds Gumara and Ribb was also undertaken. Therefore, practicing soil and water conservation in the watershed could enhance/strengthen the water storage capacity, prevent sediment loss and related natural resource from the watershed that rehabilitate its productivity.
       
  • Suspended sediment load prediction using non-dominated sorting genetic
           algorithm II

    • Abstract: Publication date: Available online 31 January 2019Source: International Soil and Water Conservation ResearchAuthor(s): Mahmoudreza Tabatabaei, Amin Salehpour Jam, Seyed Ahmad Hosseini Awareness of suspended sediment load (SSL) and its continuous monitoring plays an important role in soil erosion studies and watershed management. Despite the common use of the conventional model of the sediment rating curve (SRC) and the methods proposed to correct it, the results of this model are still not sufficiently accurate. In this study, in order to increase the efficiency of SRC model, a multi-objective optimization approach is proposed using the Non-dominated Sorting Genetic Algorithm II (NSGA-II) algorithm. The instantaneous flow discharge and SSL data from the Ramian hydrometric station on the Ghorichay River, Iran are used as a case study. In the first part of the study, using self-organizing map (SOM), an unsupervised artificial neural network, the data were clustered and classified as two homogeneous groups as 70% and 30% for use in calibration and evaluation of SRC models, respectively. In the second part of the study, two different groups of SRC model comprised of conventional SRC models and optimized models (single and multi-objective optimization algorithms) were extracted from calibration data set and their performance was evaluated. The comparative analysis of the results revealed that the optimal SRC model achieved through NSGA-II algorithm was superior to the SRC models in the daily SSL estimation for the data used in this study. Given that the use of the SRC model is common, the proposed model in this study can increase the efficiency of this regression model.
       
  • Soil loss estimation using rusle model to prioritize erosion control in
           KELANI river basin in Sri Lanka

    • Abstract: Publication date: Available online 15 January 2019Source: International Soil and Water Conservation ResearchAuthor(s): Cassim Mohamed Fayas, Nimal Shantha Abeysingha, Korotta Gamage Shyamala Nirmanee, Dinithi Samaratunga, Ananda Mallawatantri Soil erosion contributes negatively to agricultural production, quality of source water for drinking, ecosystem health in land and aquatic environments, and aesthetic value of landscapes. Approaches to understand the spatial variability of erosion severity are important for improving landuse management. This study uses the Kelani river basin in Sri Lanka as the study area to assess erosion severity using the Revised Universal Soil Loss Equation (RUSLE) model supported by a GIS system. Erosion severity across the river basin was estimated using RUSLE, a Digital Elevation Model (15 × 15 m), twenty years rainfall data at 14 rain gauge stations across the basin, landuse and land cover, and soil maps and cropping factors. The estimated average annual soil loss in Kelani river basin varied from zero to 103.7 t ha-1 yr−1, with a mean annual soil loss estimated at 10.9 t ha−1 yr−1. About 70% of the river basin area was identified with low to moderate erosion severity (
       
  • Accuracy of sedimentgraph modeling from topography map scale and DEM mesh
           size

    • Abstract: Publication date: Available online 11 January 2019Source: International Soil and Water Conservation ResearchAuthor(s): Seyed Hamidreza Sadeghi, Mostafa Moradi Dashtpagerdi, Hamidreza Moradi Rekabdarkoolai, Jeroen M. Schoorl The evaluation of scale effects on modeling performance of sedimentgraphs as the ultimate outputs of the hydrological simulation is vital for adaptive watershed management. The present study therefore analyzed effectability of simulated sedimentgraphs components in association with different topographic maps with various vector scales. The whole procedure was materialized to select the critical scale and cell size for the Galazchai Watershed, Iran. To this end, the stormwise sedimentgraphs were modeled for 23 recorded events using the Clark's Instantaneous Unit Hydrograph (IUH) model stemmed for developing Instantaneous Unit Sedimentgraphs (IUSGs) incorporated with dimensionless sediment concentration distribution (DSCD) based on the vector scales of 1:25000, 1:50000, 1:100000 and 1:250000 and cell sizes of 5, 10, 20 30, 50, 100 and 200 m. Some 644 direct sedimentgraphs (DSGs) were then evaluated based on Relative Errors (REs) for sediment volume, peak sediment, time to peak, base time and the Coefficient of Efficiency (CE). The results confirmed that REs for peak sediment, time to peak and CE were sensitive to cell size. The results further verified that the cell sizes of 5, 20, 30, 50 and 100 m were critical cell sizes in viewpoint of time to peak. In addition, the vector scales of 1:50000 with cell size of 50 m, and 1:100000 with cell sizes of 5 and 10 m were critical vector scales and cell sizes based on RMSE evaluation criterion. It is concluded from the current research that the accuracy of simulation of sedimentgraph was influenced by map scales and mesh sizes.
       
  • The assessment of water-borne erosion at catchment level using GIS-based
           RUSLE and remote sensing: A review

    • Abstract: Publication date: Available online 23 December 2018Source: International Soil and Water Conservation ResearchAuthor(s): Kwanele Phinzi, Njoya Silas Ngetar Soil erosion is a direct product of the complex interactions between natural and anthropogenic factors. Such factors vary over space and time, making the assessment of soil erosion even more difficult. Empirical erosion models such as the Revised Universal Soil Loss Equation (RUSLE) provides a rather simple and yet comprehensive framework for assessing soil erosion and its causative factors. RUSLE considers rainfall (R), topography (LS), soil erodibility (K), cover management (C), and support practice (P) as important factors affecting soil erosion. In the past few years, RUSLE has benefited tremendously from advances in geospatial technologies like Geographic Information System (GIS) and remote sensing. In this paper, an overview of recent developments on the use of these geospatial technologies in deriving individual RUSLE factors is provided, placing an emphasis on related successes and challenges. This review is expected to improve the understanding of the role played by such technologies in deriving RUSLE parameters despite existing challenges. Future research, however, must pay special attention to error assessment of remote sensing-derived RUSLE parameters.
       
  • Runoff and losses of nutrients and herbicides under long-term conservation
           practices (no-till and crop rotation) in the U.S. Midwest: A variable
           intensity simulated rainfall approach

    • Abstract: Publication date: December 2018Source: International Soil and Water Conservation Research, Volume 6, Issue 4Author(s): Javier M. Gonzalez The U.S. Farm Bill includes conservation practices that benefit both the environment and the farmer. The USDA Conservation Effects Assessment Project (CEAP) is a multi-agency effort to assess the efficiency of conservation practices to minimize non-point source pollution. This is follow-up study of a 28-year experiment design to assess the influence of the conservation practices of no-till and crop rotation systems (corn [Zea mays]-soybean [Glycine max]), compared to chisel tillage and monocropping systems (continuous corn) on soil health and water quality. In this study, changes on soil C and N, soil water content, runoff, and losses of ammonium-N, nitrate-N, soluble reactive P (SRP), atrazine, metolachlor, and glyphosate were compared to determine the influence of no-till and corn-soybean rotation systems, relative to chisel tillage and continuous corn, on plots planted with corn using variable intensity rainfall simulations. The long-term no-till systems had a positive impact on soil C and N, soil water, runoff, and losses of ammonium-N and nitrate-N; however, no effect was observed on losses of SRP, atrazine, metolachlor, and glyphosate. The corn-soybean rotation negatively influenced, compared to the continuous corn, soil C and N, soil water content, and increased runoff and the losses of all nutrients and herbicides measured in this study. These results suggest that additional conservation practices, in conjunction with no-till and corn-soybean rotations are needed to reduce surface losses of nutrients and pesticides while improving soil health.
       
  • Influence of freeze-only and freezing-thawing cycles on splash erosion

    • Abstract: Publication date: December 2018Source: International Soil and Water Conservation Research, Volume 6, Issue 4Author(s): Seyed Hamidreza Sadeghi, Mohammad Bagher Raeisi, Zeinab Hazbavi Soil erosion is recognized as one of the most important types of land degradation in the world particularly in many developing countries like Iran. Water erosion is initiated by splash erosion triggered by raindrop impact. Understanding the process of splash erosion under freezing and thawing conditions is essential to unravel soil erosion mechanisms under temperate conditions leading to appropriate planning of soil and water conservation projects. The present study aimed to study the individual effects of freeze-only as well as freezing-thawing cycle on splash erosion in a loess soil from an erosion prone area in mountainous northern regions of Iran. The study was conducted under laboratory conditions using erosion plots. The erosion plots were subjected to freeze only and freeze-thawing treatments by simulating cold conditions using a large cooling compartment system specifically manufactured for this purpose. The splash erosion under a designed simulated rainfall (1.2 mm min−1 for 30 min) was then measured as upward, downward and net splash erosion in splash cups. The results showed that freeze only decreased the upward, downward and net splash erosion by 0.81 ± 0.43, 0.82 ± 0.29 and 0.85 ± 0.23% while freezing-thawing cycle decreased splash erosion to 0.93 ± 0.83, 0.61 ± 0.43 and 0.57 ± 0.36%. This may be attributed to temporary increase in soil strength and stability or surface sealing during freezing process leading to reduced splash erosion.Graphical abstractfx1
       
  • Assessment of soil quality indicators under different agricultural land
           uses and topographic aspects in Central Vietnam

    • Abstract: Publication date: December 2018Source: International Soil and Water Conservation Research, Volume 6, Issue 4Author(s): Tung Gia Pham, Hung Trong Nguyen, Martin Kappas Soil quality assessment is valuable for agricultural production. In this research, 155 soil samples at two soil depths were collected from four land use types in an agricultural area of the A Luoi district in the Central Vietnam. Differences of soil organic carbon, total nitrogen in soil and soil pH under different land use types and topographic aspects were compared. Soil organic carbon contents in arable land and plantation forest are higher than those in natural forest and grassland (p 
       
  • Effect of spatial scale on runoff coefficient: Evidence from the Ethiopian
           highlands

    • Abstract: Publication date: December 2018Source: International Soil and Water Conservation Research, Volume 6, Issue 4Author(s): Tesfaye Mebrate Lemma, Gizaw Desta Gessesse, Asfaw Kebede Kassa, Desalegn Chemeda Edossa The runoff coefficient (RC) is the ratio between the runoff and rainfall amounts and is scale dependent, which is due in part to the heterogeneity of watershed characteristics. This study quantified the spatial scale effects on runoff using long-term rainfall-runoff data on runoff plots and small watersheds. Effect of spatial scale on RC was studied for 12 runoff plots (2 m by 15 m) and three small watersheds (113–477 ha) in the highlands of Ethiopia using a total of 4397 and 13,925 15-day cumulative pairs of rainfall and runoff data at watershed and runoff plot scales, respectively. The observed average RC of runoff plots was extrapolated based on the extent of representation of a particular watershed in terms of slope, land use, cover and soil type. The weighted RC of plots was then compared with the observed RC of the watershed to determine a scale factor for extrapolation. A decrease in RC from plot to the watershed was observed in Anjeni and Andit Tid watersheds, while an increase in RC in Maybar watershed illustrates the role of specific watershed conditions in determining the scale effect. This, in turn, suggests that the variation in scale factor is not well explained by the difference in the area alone. The scale effect of runoff generation was better explained by extrapolating the RC based on the representation of different watershed characteristics. Thus, extrapolation exercises in runoff modeling and scaling efforts of soil and water conservation practices should consider the scale effect cautiously.
       
  • A GIS-based approach for identifying potential sites for harvesting
           rainwater in the Western Desert of Iraq

    • Abstract: Publication date: December 2018Source: International Soil and Water Conservation Research, Volume 6, Issue 4Author(s): Ammar Adham, Khamis Naba Sayl, Rasha Abed, Mohamed Arbi Abdeladhim, Jan G. Wesseling, Michel Riksen, Luuk Fleskens, Usama Karim, Coen J. Ritsema People living in arid and semi-arid areas with highly variable rainfall and unforeseeable periods of droughts or floods are severely affected by water shortages and often have insecure livelihoods. The construction of dams in wadies to harvest rainwater from small watersheds and to induce artificial groundwater recharge is one of the solutions available to overcome water shortages in the Western Desert of Iraq. The success of rainwater harvesting (RWH) systems depends heavily on their technical design and on the identification of suitable sites. Our main goal was to identify suitable sites for dams using a suitability model created with ModelBuilder in ArcGIS 10.2. The model combined various biophysical factors: slope, runoff depth, land use, soil texture, and stream order. The suitability map should be useful to hydrologists, decision-makers, and planners for quickly identifying areas with the highest potential for harvesting rainwater. The implementation of this method should also support any policy shifts towards the widespread adoption of RWH.
       
  • Features of selected benchmark soils along an elevational transect of the
           northeastern part of the Moldavian Plateau (Romania)

    • Abstract: Publication date: December 2018Source: International Soil and Water Conservation Research, Volume 6, Issue 4Author(s): Geanina Bireescu, Carmelo Dazzi, Giuseppe Lo Papa Soil morphological, physical and chemical properties are described at four locations along an elevational transect in the northeastern part of the Moldavian Plateau (Romania). These data contribute to the knowledge of the soils of this area and to their classification according to the USDA-Soil Taxonomy, FAO-WRB and the SRTS-Romanian System. The soils were classified as Inceptisols, Alfisols and Mollisols, according to the USDA-Soil Taxonomy; Gleysol, Chernozem and Luvisol, according to the FAO-WRB and Gleiosol, Cernoziom, Preluvosol, Luvosol, according to the SRTS-Romanian System. The selected soils have a range of properties that represent the soilscape of the Moldavian subcarpathian plateau, characterised by a natural forest with oak as the dominant species. The selected soil parameters decreased with increasing elevation; calcium carbonate and clay leaching and accumulation are the main soil formation processes.
       
  • Integrated soil, water and agronomic management effects on crop
           productivity and selected soil properties in Western Ethiopia

    • Abstract: Publication date: December 2018Source: International Soil and Water Conservation Research, Volume 6, Issue 4Author(s): Teklu Erkossa, Timothy O. Williams, Fanuel Laekemariam Land degradation is a major challenge limiting crop production in Ethiopia. Integrated soil and water conservation is widely applied as a means to reverse the trend and increase productivity. This study investigated the effects of such integrated approaches at two sites, Jeldu and Diga, in Western Ethiopia. A split plot design with physical soil and water conservation in the main plots and agronomic practices in the sub plots was employed. Maize (Zea mays L.) followed by groundnut (Arachis hypogaea L.) at Diga, and wheat (Triticum aestivum) followed by faba bean (Vicia faba L.) were the test crops. Surface soils were sampled before sowing and after the crop harvest, and analyzed for selected parameters. Soil moisture content during the growing period was also monitored. The use of soil bund increased soil moisture content, and significantly (P 
       
 
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