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Bonorowo Wetlands
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  This is an Open Access Journal Open Access journal
ISSN (Print) 2088-110X - ISSN (Online) 2088-2475
Published by Society for Indonesian Biodiversity Homepage  [11 journals]
  • Analysis of water quality and heavy metal content of chromium (Cr) in
           water, sediment, and flesh of tilapia (Oreochromis niloticus) in the
           Premulung River, Surakarta, Central Java, Indonesia

    • Authors: INTAN SRI PITASARI, PRABANG SETYONO, WIRYANTO WIRYANTO
      Abstract: Abstract. Pitasari IS, Setyono P, Wiryanto. 2022. Analysis of water quality and heavy metal content of chromium (Cr) in water, sediment, and flesh of tilapia (Oreochromis niloticus) in the Premulung River, Surakarta, Central Java, Indonesia. Intl J Bonorowo Wetlands 12: 32-38. River is a lotic ecosystem that plays an important role in the life of living things, including as a habitat for aquatic organisms, drainage channels, and water sources for human needs. The Premulung River crosses the city of Surakarta, Central Java, Indonesia. The area along the Premulung River is surrounded by settlements, markets, textile industries, batik, screen printing, and hospitals, which produce waste that has the potential to pollute and degrade water quality. This study is aimed to determine the water quality and content of heavy chromium metal (Cr) in water, sediment, and tilapia meat (Oreochromis niloticus Linnaeus, 1758) in the Premulung River, Surakarta City, as well as the relationship between chromium content in water, in sediment and fish meat. This research was conducted by field observation at 3 stations of the Premulung River flows, namely under the Kleco Bridge, Griyan, and Jongke. The parameter data of temperature, TDS, pH, DO, BOD, COD, and Cr water compared to PPRI No. 82 of 2001 (class 2 water); chromium sediment compared to ANZECC Year 2000; Fish meat chromium compared to CFSA 2012. The Premulung River water quality was analyzed using the STORET method, while the Pearson correlation analyzed the relationship between chromium in water, sediment, and fish meat. The results showed that the water quality of the Premulung River in Surakarta City was moderately polluted. The heavy metal content of Premulung River chromium water (ttd-0.0344) mg/L and chromium sediment (1.307-4.948) mg/kg still meets the standard quality, while the tilapia meat chromium (1.958-3.535) mg/kg exceeds the standard quality. The relationship between chromium water content was very strong and directly proportional (r= 0.997) with chromium fish meat, while chromium sediment with chromium fish meat was inversely proportional (r= -0.470).
      PubDate: 2022-07-20
      Issue No: Vol. 12, No. 1 (2022)
       
  • Benthic infaunal spatial biodiversity, coexistence, and availability for
           shorebird communities in the Jakarta Coastal Wetlands, Indonesia

    • Authors: ANDRIO A. WIBOWO, ADI BASUKRIADI, ERWIN NURDIN, NANA SURYANA NASUTION
      Abstract: Abstract. Wibowo AA, Basukriadi A, Nurdin E, Nasution NS. 2022. Benthic infaunal spatial biodiversity, coexistence, and availability for shorebird communities in the Jakarta Coastal Wetlands, Indonesia. Intl J Bonorowo Wetlands 11: 23-32. Wetlands on the Jakarta Coast, Indonesia, is one of the important habitats for shorebirds. In the wetland ecosystem, benthic infauna is an important food source for the shorebird community. This study aims to assess the benthic infaunal spatial biodiversity and its availability for the shorebird community in the wetlands covering an ecotourism area and the west and east parts of a protected mangrove forest. The bird diversity was assessed using visual encounter surveys and 10 x 10 m plots for mangroves. The K-means clustering method measured the benthic infaunal coexistence and availability for shorebirds. Based on the result, benthic infauna was available as a food resource for shorebirds in the following order: Oligochaeta > Polychaeta > Gastropod > Crustacea, with the density of oligochaetes reaching 376.66 inds/100 m2. The Shannon-Wiener biodiversity index (H’) ranges for benthic infauna were 1.306-1.573. Gastropods were available to Ciconiidae and Anhingidae; oligochaetes and polychaetes were available to Anatidae, Scolopacidae, and Phalacrocoracidae. In contrast, crustaceans were not available to any shorebird species. As confirmed in this study, shorebird species were associated with the presence of benthic infaunal communities and it recommends conserving the wetlands to ensure the availability of benthic infauna.
      PubDate: 2022-06-11
      Issue No: Vol. 12, No. 1 (2022)
       
  • Structure and composition molluscs (bivalves and gastropods) in mangrove
           ecosystem of Pacitan District, East Java, Indonesia

    • Authors: MUHAMMAD FIRDAUS WIRAATMAJA, RAHMAWATI HASANAH, NOOR MALITA DWIRANI, ANDINI SUKMA PRATIWI, FADYA ELVA RIANI, SITI HASNANINGTYAS, Gilang D. Nugroho, AHMAD DWI SETYAWAN
      Abstract: Abstract. Wiraatmaja MF, Hasanah R, Dwirani NM, Pratiwi AS, Riani FE, Hasnaningtyas S, Nugroho GD, Setyawan AD. 2022. Structure and composition molluscs (bivalves and gastropods) in mangrove ecosystem of Pacitan District, East Java, Indonesia. Intl J Bonorowo Wetlands 12: 1-11. The mangrove ecosystem is a habitat for several species of molluscs. Therefore, mollusc's existence has an important role in the sustainability of the mangrove ecosystem. This research was conducted to determine the structure and composition of mollusc (gastropods and bivalves) in the mangrove ecosystem of Pacitan, East Java, Indonesia. The mollusc sampling was carried out at three mangrove ecosystem locations, Teleng Ria, Grindulu, and Siwil. Each sampling research location made a plot of 10 x 10 m. Then, the individual and mollusc species that have been collected were analyzed using the Shanon-Weiner biodiversity index, species density, Margalef species richness index, evenness index, and Simpson dominance index. The molluscs found were 25 species, consisting of 17 gastropod species with 13 families. The gastropod families with the most number of species are Littorinidae (3), Ellobidae (2), Potamididae (2). Meanwhile, there are 8 species of bivalves consisting of 5 families. Then, Mytilidae (2), Ostreidae (2), and Veneridae (2) are the families with the most number of species in bivalves. The total molluscs obtained had a density of 36.9 individuals/100 m2. The mollusc biodiversity index was 2.14 (medium), mollusc species richness reached 4.1 (medium), the evenness of species in this research reached 0.66 (quite even) and the species dominance index was recorded at 0.34 (low) which means that there are no dominant species in the research location. Then, each research location has a different species and density species of molluscs. This is caused by differences in the type of substrate (such as sandy, muddy or rocky) and abiotic factors found in the research location (such as temperature, pH, and salinity).
      PubDate: 2022-02-14
      Issue No: Vol. 12, No. 1 (2022)
       
  • Review: Causes and impacts of anthropogenic activities on mangrove
           deforestation and degradation in Indonesia

    • Authors: AGUSTINA PUTRI CAHYANINGSIH, AVYDA KOZA DEANOVA, CELIN MAYLANI PRISTIAWATI, YAYA IHYA ULUMUDDIN, LIA KUSUMAWATI, AHMAD DWI SETYAWAN
      Abstract: Abstract. Cahyaningsih AP, Deanova AK, Pristiawati CM, Ulumuddin YI, Kusumawati L, Setyawan AD. 2021. Review: Causes and impacts of anthropogenic activities on mangrove deforestation and degradation in Indonesia. Intl J Bonorowo Wetlands 11: 1-11. Indonesia is a country with the largest extent of mangroves in the world. However, as the human population increases the extent and quality of the mangroves is decreasing. The increasing population is in line with increase in human activities, leading to deforestation and degradation of the mangrove forests. This paper aimed to review anthropogenic activities that cause mangrove deforestation and degradation in Indonesia as well as the impacts of such anthropogenic activities on the mangrove ecosystems, and to formulate the efforts to overcome mangrove deforestation and degradation in the country. Various human activities are the primary drivers of deforestation and degradation of mangroves, including land conversion from mangrove forests into other land uses (e.g., agricultural lands, ponds, infrastructure developments and human settlements), extractive activities (e.g. mining and logging), and household and industrial activities (e.g., plastic debris, heavy metals pollutants). These anthropogenic factors have impacts on reduced mangrove forest area, changes in mangrove composition, uneven species abundance and pollution. In combination with sea level rise caused by global climate change, such activities pose devastating threats to Indonesian mangroves. Efforts to overcome these problems include increasing awareness of communities regarding the conservation of mangrove, conducting mangrove restoration programs and promoting sustainable management of mangrove, for example through ecotourism. On top of that, community participation plays essential role in sustainable management and conservation of mangrove forests in Indonesia.
      PubDate: 2022-02-12
      Issue No: Vol. 12, No. 1 (2022)
       
 
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