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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]
  • Effect of water physicochemistry on amphibian abundance in Sub-tropical
           Kupinde Lake of the Nepal Himalaya

    • Authors: CHANDRA BAHADUR SUNAR, NARESH PANDEY, BIJAY CHAND, LAXMI PRASAD UPADHYAYA, BINA THAPA, RAMESH RAJ PANT, LAXMAN KHANAL
      Abstract: . Sunar CB, Pandey N, Chand B, Upadhyaya LP, Thapa B, Pant RR, Khanal L. 2022. Effect of water physicochemistry on amphibian abundance in Sub-tropical Kupinde Lake of the Nepal Himalaya. Intl J Bonorowo Wetlands 12: 92-99. Amphibians are the key bioindicators of ecosystem health. Their diversity and abundance are affected by the physicochemical factors of the environment. Wetland ecosystems of the Himalaya are under the threat of human activities and current climate change. However, hydrochemical status and faunal diversity are poorly documented in the wetlands of western Nepal. This study characterized the physicochemical parameters of water in Kupinde Lake in the Salyan District of Karnali Province, Nepal, and established the association between amphibian abundance and those parameters. A total of 24 samples of surface water were collected at the lake's edge during October 2021, and 18 physical and chemical parameters were analyzed. Visual encounter surveys were conducted at each water sampling site to count amphibians within a circle of two meters in diameter. The lake water was slightly alkaline (mean pH = 8.16±0.29), and the major dominating cation and anion were Ca2+ and HCO3-, respectively. Amphibian abundance was positively correlated with pH, HCO3-, and NH4+ and negatively correlated with EC, TDS, CO2, Cl-, and Na+. The polynomial regression analysis revealed amphibian abundance has a consistent positive association with water pH (r2 = 0.497, p < 0.05) and unimodal relation with the temperature (r2 = 0.188, p < 0.05). Low amphibian diversity and dominance of a single amphibian species, the Indian skipper frog (Euphlyctis cyanophlyctis Schneider, 1799), indicate poor ecosystem health of the lake. The findings of this study provide baseline information for monitoring and managing the Kupinde Lake.
      PubDate: 2023-01-10
      DOI: 10.13057/bonorowo/w120205
      Issue No: Vol. 12, No. 2 (2023)
       
  • Sustainability level of mangrove forest management based on RAP-MForest
           approach in Pancer Cengkrong, Trenggalek District, Indonesia

    • Authors: AGRA DEWI SABRINA, ANANDA RILO RAMADHANDI, ALYA AFRA INAS NUR, NOR LIZA, SUTARNO SUTARNO, CHEE KONG YAP, MUHAMMAD INDRAWAN, AHMAD DWI SETYAWAN
      Abstract: . Sabrina AD, Ramadhandi AR, Nur AAI, Liza N, Sutarno, Yap CK, Indrawan M, Setyawan AD. 2022. Sustainability level of mangrove forest management based on RAP-MForest approach in Pancer Cengkrong, Trenggalek District, Indonesia. Intl J Bonorowo Wetlands 12: 82-88. Mangrove forest area is a coastal resource that benefits the community's welfare. Protection and preservation of the mangrove ecosystem need to be carried out by taking into account various aspects to achieve sustainability. This study aims to analyze the level of sustainability of mangrove forest management and the contributing factors in the Pancer Cengkrong Mangrove Forest area in Karanggandu Village, Trenggalek District, East Java, Indonesia. This research was conducted in June 2022 through field interviews and literature studies. Three dimensions (ecological, economic, and social) were selected, along with their attributes. Each attribute was scored to indicate the status of sustainability. Then, the data obtained were processed by Multi-Dimensional Scaling (MDS) analysis using the Rapid Appraisal for Mangrove Forest (RAP-MForest) method. Furthermore, leverage analysis determines the sensitive attributes in each dimension. The results depicted that management in Pancer Cengkrong Mangrove Forest is less sustainable in the economic dimension and fairly sustainable in the two remaining dimensions. The social dimension achieved the highest sustainability index value at 72.92. Furthermore, knowledge of the sustainability index and sensitive factors can help provide recommendations for management in the Pancer Cengkrong mangrove area to achieve a sustainable level. In this case, the economic dimension should be more concerned with promoting environmentally sustainable development.
      PubDate: 2023-01-09
      DOI: 10.13057/bonorowo/w120204
      Issue No: Vol. 12, No. 2 (2023)
       
  • Mangrove conservation efforts with the ecotourism development in the
           Cengkrong Mangrove Ecotourism, Trenggalek District, East Java, Indonesia

    • Authors: BELLA KURNIAWATI, NUNIK SULISTYANINGRUM, GILANG DWI NUGROHO, SUNARTO SUNARTO, LIA KUSUMANINGRUM, YOHANES Y. RAHAWARIN, ANDRIE BON FLORES, CHEE KONG YAP, AHMAD DWI SETYAWAN
      Abstract: . Kurniawati B, Sulistyaningrum N, Nugroho GD, Sunarto, Kusumaningrum L, Rahawarin YY, Flores AB, Yap CK, Setyawan AD. 2022. Mangrove conservation efforts with the ecotourism development in the Cengkrong Mangrove Ecotourism, Trenggalek District, East Java, Indonesia. Intl J Bonorowo Wetlands 12: 75-81. For mangrove conservation efforts, it is necessary to develop ecotourism so that people can also take advantage of the existence of mangrove forests. Analysis of the role mangrove ecosystem is carried out to develop a mangrove conservation strategy and the concept of sustainable development. This research examined conservation and ecotourism efforts by the community around the Cengkrong Mangrove Ecotourism and social perceptions of ecotourism based on mangrove development. The research was conducted in June 2022 at Mangrove Cengkrong Ecotourism, Karanggandu Village, Watulimo Sub-district, Trenggalek District, East Java, Indonesia, by conducting interviews with 50 respondents. Data was collected through field observations and interviews with ecotourism administrators and residents around the location. The results of this study indicate that the conservation efforts carried out are protecting, conserving, and utilizing mangroves by seeding, planting, managing, and monitoring mangroves. The POKMASWAS or the Community Monitoring Group manages the Cengkrong Mangrove Ecotourism area. However, the utilization of mangrove forest resources that have economic value by the community around the Cengkrong Mangrove Ecotourism area is still low because it is only limited to the cultivation of crabs, shells, making mangrove syrup, cakes and chips. In addition, the place is quite crowded with tourists. Indeed, area development still lacks preservation, utilization, and conservation for the management, surrounding communities, and tourists. Limited facilities and infrastructure are a challenge for the sustainable development of mangrove ecotourism. In addition, increasing community involvement and collaboration with institutions and the government in mangrove management must also be improved so that all the surrounding communities can also benefit. With the increasing economic benefits of mangrove ecotourism management, the community around the mangrove forest will participate in maintaining and preserving the mangrove forest ecosystem.
      PubDate: 2022-12-26
      DOI: 10.13057/bonorowo/w120203
      Issue No: Vol. 12, No. 2 (2022)
       
  • The bacterial flora of Oreochromis niloticus and Clarias gariepinus from
           earthen ponds in Sagana and Masinga, Kenya

    • Authors: ROSALINE DAISY KARIMI, JOSEPH J.N. NGERANWA, ELIUD N.M. NJAGI, SAM KARIUKI
      Abstract: . Karimi RD, Ngeranwa JJN, Njagi ENM, Kariuki S. 2022. The bacterial flora of Oreochromis niloticus and Clarias gariepinus from earthen ponds in Sagana and Masinga, Kenya. Intl J Bonorowo Wetlands 12: 63-73. Food-borne diseases traced to fish consumption have been reported globally, including in Kenya. The aspect of food quality as far as fish consumption is concerned is underestimated in Kenya though aquaculture has been promoted. The bacterial flora of Tilapia (Oreochromis niloticus Linnaeus, 1758) and Catfish (Clarias gariepinus Burchell, 1822) from Masinga Dam and earthen ponds at Sagana fish farm was determined in this study to determine the anti-microbial response of the pathogenic bacteria. Tilapia fish and Catfish samples were collected from Masinga Dam and Sagana farm in the dry and rainy seasons. The fish were skinned, and gut content was taken for laboratory tests. The water and water sediment samples from these two study sites were also collected. Those samples were processed and cultured in MacConkey agar, and the selective media were subcultured in the colonies and then subjected to morphological examination from cultures. Then, the biochemical tests were carried out using commercially available API kits. The study showed the presence of bacterial species belonging to Enterobacter spp. (n=34), Pseudomonas spp. (n=6), Aeromonas spp. (n=5), Vibrio spp. (n=3) and Acinetobacter spp. (n=2) isolates during the dry season, while bacterial species belonging to Enterobacter spp. (n=31), Pseudomonas spp. (n=6), Aeromonas spp. (n=4) isolates during the dry season. The anti-microbial susceptibility analysis showed that the highest resistance rates were found against Ampicillin (Amp) (61.5% of isolates), Amoxicillin (AmL) (65.9% of isolates), Tetracycline (Te) (31.8% of isolates), and Chloramphenicol (C) (27.5% of isolates) while the lowest was Nalidixic acid (Na), Cefuroxime (Cxm) and Streptomycin (S) at (4.4% of isolates) each. All isolates were sensitive to Gentamycin (Gen), Ciprofloxacin (Cip), and Cefotaxime (CTX). The presence of the above organisms, some potentially pathogenic to humans, indicates that improperly handled, undercooked, or consumed raw fish may cause disease in susceptible individuals. At the same time, some isolates’ anti-microbial resistance indicates that the use of antibiotics in aquaculture to promote growth should be studied further with a view to policy formulation.
      PubDate: 2022-12-26
      DOI: 10.13057/bonorowo/w120202
      Issue No: Vol. 12, No. 2 (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

    • Authors: INTAN SRI PITASARI, PRABANG SETYONO, WIRYANTO WIRYANTO
      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
      DOI: 10.13057/bonorowo/w120201
      Issue No: Vol. 12, No. 1 (2022)
       
 
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