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All Journal Jurnal Biologi Tropis Reswara: Jurnal Pengabdian Kepada Masyarakat
Dian Bhagawati
Fakultas Biologi UNSOED
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences

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Abundance, Sex Proportion, and Longitudinal Distribution of Parathelpusa spp in the Banjaran River, Banyumas Indonesia Anastasia Endang Pulungsari; Anandita Ekasanti; Dian Bhagawati; Elly Tuti Winarni
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.4814

Abstract

Information on the existence of Parathelpusa spp crabs in the Banjaran River, Banyumas Regency is still very limited, so research is needed on this matter. The aim of this study was to identify and describe species richness, sex proportion, distribution, and abundance. Sampling was taken by Cluster Random Sampling, from 5 selected stations, repeated 7 times, an interval of 2 weeks, in the period August-November 2021. Samples were taken using a hand net, fresh and brought to the laboratory for identification. The physicochemical conditions measured were air temperature, water temperature, pH, dissolved oxygen and current velocity. The richness and abundance of Parathelpusa spp species obtained was calculated based on the number of species and individuals obtained, while their presence at each station became the basis for calculating the longitudinal distribution. Correlation between physico-chemical factors of the river with species richness and abundance was analyzed using Principal Component Analysis (PCA). During the study, 158 crabs were obtained consisting of Parathelpusa convexa and P. bogorensis. Both species were found at all sampling sites and P. convexa dominated the catch. Overall and in several locations, the number of male crabs caught was higher. The existence of each species in the Banjaran River is influenced by different physicochemical factors. P. convexa is affected by bottom substrate, air temperature, and current speed, while P. Bogorensi is affected by water depth, bottom substrate, and DO. These results can be used as a reference in selecting habitats to find P. convexa and P. bogorensis in river waters.  
Penguatan Kompetensi Siswa SMK Perikanan Melalui Pelatihan Pemijahan Induksi Berbasis Pembelajaran Adaptif Dian Bhagawati; Agus Nuryanto; Dwi Nugroho Wibowo; Nuning Setyaningrum; Erwin Riyanto Ardli; Atang Atang; Eko Setio Wibowo
Reswara: Jurnal Pengabdian Kepada Masyarakat Vol 7, No 2 (2026)
Publisher : Universitas Dharmawangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46576/rjpkm.v7i2.7653

Abstract

Kompetensi vokasional siswa SMK perikanan perlu ditingkatkan melalui pendekatan pembelajaran yang adaptif terhadap keberagaman kemampuan dan gaya belajar. Program pengabdian ini bertujuan menguatkan kompetensi siswa dalam teknik pemijahan induksi melalui pelatihan berbasis pembelajaran adaptif di SMKN 1 Bawang Banjarnegara pada periode Juni–Oktober 2025. Mitra kegiatan adalah guru dan 35 siswa kelas XI Program Agribisnis Perikanan. Metode pelaksanaan meliputi persiapan, sosialisasi, pelatihan teori–praktik, monitoring evaluasi, dan keberlanjutan. Pembelajaran dirancang adaptif dengan penyesuaian materi, metode, dan evaluasi sesuai karakteristik dan kebutuhan individual siswa. Hasil menunjukkan seluruh siswa (100%) berhasil melaksanakan prosedur pemijahan induksi dengan tingkat keberhasilan pemijahan dan kelangsungan hidup larva yang tinggi. Peningkatan kompetensi signifikan tercermin dari kenaikan skor rata-rata dari 50% (pre-test) menjadi 87,2% (post-test), dengan N-gain 0,71 (kategori tinggi). Pembelajaran adaptif terbukti meningkatkan motivasi, partisipasi aktif, keterampilan kolaborasi, dan problem solving siswa. Program ini berkontribusi nyata dalam memperkuat relevansi SMK perikanan dengan kebutuhan industri dan membuka peluang replikasi di sekolah kejuruan lainnya
Co-Authors Agus Nuryanto Anastasia Endang Pulungsari Atang Atang Dwi Nugroho Wibowo Ekasanti, Anandita Eko Setio Wibowo Elly Tuti Winarni Erwin Riyanto Ardli Nuning Setyaningrum