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All Journal Indonesian Journal of Ecology and Conservation
Arlinda Puspita Sari
Prodi Bioteknologi, Universitas Sulaewesi Barat, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science

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An Ethnozoological Survey of the Sulawesi Water Rat (Waiomys mamasae): Insights from Local Communities, Gandang Dewata National Park Fetranius Fetra; Muhammad Rizaldi Trias Jaya Putra Nurdin; Muh Rizal Kurniawan Yunus; Arlinda Puspita Sari; Maipa Dia Pati
Indonesian Journal of Ecology and Conservation Vol 1 No 2 (2024): Flora and Fauna Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v1i2.6311

Abstract

This study aimed to explore population and condition data on the Sulawesi Water Rat (Waiomys mamasae) from an ethnozoological perspective in five buffer villages surrounding Gandang Dewata National Park. Using a cluster sampling technique, 66 respondents from various professions with direct interaction with river ecosystems were selected, including hunters, farmers, and other individuals frequently active in river areas. Data were collected through questionnaire-based interviews to obtain information regarding the frequency of sightings of this species and its utilization in local communities. The results showed that 50% of respondents had directly observed the Sulawesi Water Rat, while the rest had never encountered it. In terms of utilization, local communities use this species as a protective talisman to prevent house fires, as traditional medicine, and as a source of food. Several local beliefs also describe unique abilities of this species, such as the capacity to walk on water or remain submerged for extended periods. The age distribution of respondents was dominated by individuals aged 35–48 years (32%), followed by other age groups. This study provides important insights into local knowledge and the relationship between communities and W. mamasae, which can serve as an important basis for conservation efforts and ecosystem management in the buffer areas of Gandang Dewata National Park
An Ethnozoological Survey of the Sulawesi Water Rat (Waiomys mamasae): Insights from Local Communities, Gandang Dewata National Park Fetranius Fetra; Muhammad Rizaldi Trias Jaya Putra Nurdin; Muh Rizal Kurniawan Yunus; Arlinda Puspita Sari; Maipa Dia Pati
Indonesian Journal of Ecology and Conservation Vol. 1 No. 2 (2024): Flora and Fauna Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v1i2.6311

Abstract

This study aimed to explore population and condition data on the Sulawesi Water Rat (Waiomys mamasae) from an ethnozoological perspective in five buffer villages surrounding Gandang Dewata National Park. Using a cluster sampling technique, 66 respondents from various professions with direct interaction with river ecosystems were selected, including hunters, farmers, and other individuals frequently active in river areas. Data were collected through questionnaire-based interviews to obtain information regarding the frequency of sightings of this species and its utilization in local communities. The results showed that 50% of respondents had directly observed the Sulawesi Water Rat, while the rest had never encountered it. In terms of utilization, local communities use this species as a protective talisman to prevent house fires, as traditional medicine, and as a source of food. Several local beliefs also describe unique abilities of this species, such as the capacity to walk on water or remain submerged for extended periods. The age distribution of respondents was dominated by individuals aged 35–48 years (32%), followed by other age groups. This study provides important insights into local knowledge and the relationship between communities and W. mamasae, which can serve as an important basis for conservation efforts and ecosystem management in the buffer areas of Gandang Dewata National Park
Diversity and Potential of Nitrogen-Fixing Rhizosphere Bacteria Associated with Foxtail Millet (Setaria italica L.) as Candidates for Biofertilizers in Sustainable Agriculture Yusril Yusril; Nurmuliayanti Muis; Masyitha Wahid; Arlinda Puspita Sari
Indonesian Journal of Ecology and Conservation Vol. 1 No. 2 (2024): Flora and Fauna Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v1i2.6327

Abstract

Foxtail millet (Setaria italica L.) is a potential cereal crop that can be developed as an alternative food source. Rhizosphere microorganisms, particularly nitrogen-fixing bacteria, play an important role in improving soil fertility through nitrogen fixation and the production of plant growth hormones. However, information regarding the potential of rhizosphere bacteria associated with foxtail millet in West Sulawesi remains limited. This study aimed to isolate, select, and identify nitrogen-fixing rhizosphere bacteria associated with foxtail millet and to evaluate their potential as biofertilizer candidates. Bacterial isolation was conducted using a serial dilution method on selective Jensen medium, followed by colony morphology characterization and Gram staining. Selected isolates were further tested for their nitrogen-fixing ability and their capacity to produce plant growth hormones, including indole-3-acetic acid (IAA) and gibberellin (GA₃). Molecular identification was performed using 16S rRNA gene analysis. The results showed that 31 bacterial isolates were successfully obtained from the rhizosphere of foxtail millet, of which 10 isolates were selected based on morphological characteristics. Five isolates demonstrated nitrogen-fixing ability, while three of the best isolates were capable of producing both IAA and gibberellin. Molecular analysis revealed that the best-performing isolates showed high similarity to Bacillus toyonensis and Bacillus cereus. These findings indicate that rhizosphere bacteria associated with foxtail millet have significant potential as biofertilizer candidates to support sustainable agriculture
Co-Authors Fetranius Fetra Maipa Dia Pati Masyitha Wahid Muh. Rizal Kurniawan Yunus Muhammad Rizaldi Trias Jaya Putra Nurdin Nurmuliayanti Muis Yusril Yusril