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Distribusi dan Sex Ratio Udang Macrobrachium pilimanus pada Sungai Mengaji di Banyumas Prodhiana Prodhiana; Moh. Husein Sastranegara; Elly Tuti Winarni
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 4 No 1 (2022): Bioeksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2022.4.1.4578

The one forms of freshwater ecosystems which is the habitat of various organisms is rivers. The Mengaji River is a river that springs from the southern slopes of Mount Slamet. Rivers always experience changes in physical, chemical, and biological factors. The decline in river water quality greatly affects the distribution and sex ratio of Macrobrachium pilimanus in the Mengaji River. This research aims to determine the distribution and sex ratio of M. pilimanus shrimp in the Mengaji River. The research was conducted using a survey method for determining stations and purposive random sampling for sampling. The samples obtained were then identified and measured using the morphometric method. Research was conducted between June-August 2020. Shrimp distribution data were analyzed using the "F" test with SPSS 2016, while the sex ratio of shrimp was analyzed using the sex ratio formula from the Kao and Liu method. The results of this study found that the distribution of M. pilimanus shrimp in the Mengaji River, Banyumas, was not evenly distributed between stations. The highest distribution was found at Station IV, while the highest female shrimp was found at Station II. The sex ratio of M. pilimanus shrimp in the Mengaji River Banyumas was not balanced and was dominated by females. The sex ratio was found to be the highest at Station II.

Distribusi dan Sex Ratio Udang Macrobrachium pilimanus pada Sungai Mengaji di Banyumas Prodhiana, Prodhiana; Sastranegara, Moh. Husein; Winarni, Elly Tuti
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 4 No 1 (2022): Bioeksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2022.4.1.4578

The one forms of freshwater ecosystems which is the habitat of various organisms is rivers. The Mengaji River is a river that springs from the southern slopes of Mount Slamet. Rivers always experience changes in physical, chemical, and biological factors. The decline in river water quality greatly affects the distribution and sex ratio of Macrobrachium pilimanus in the Mengaji River. This research aims to determine the distribution and sex ratio of M. pilimanus shrimp in the Mengaji River. The research was conducted using a survey method for determining stations and purposive random sampling for sampling. The samples obtained were then identified and measured using the morphometric method. Research was conducted between June-August 2020. Shrimp distribution data were analyzed using the "F" test with SPSS 2016, while the sex ratio of shrimp was analyzed using the sex ratio formula from the Kao and Liu method. The results of this study found that the distribution of M. pilimanus shrimp in the Mengaji River, Banyumas, was not evenly distributed between stations. The highest distribution was found at Station IV, while the highest female shrimp was found at Station II. The sex ratio of M. pilimanus shrimp in the Mengaji River Banyumas was not balanced and was dominated by females. The sex ratio was found to be the highest at Station II.

STRUKTUR KOMUNITAS PLANKTON PADA WAKTU YANG BERBEDA DI TELAGA KUMPE BANYUMAS Nur Haliza, Fitra Dwi; Rahayu, Diana Retna Utarini Suci; Sastranegara, Moh Husein
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 4 No 3 (2022): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2022.4.3.4579

Trade and tourism activities in Telaga Kumpe can increase the input of organic matter into the waters which results in increased fertility, decreased function and changes in water quality so that it has an impact on the community structure of plankton as one of the aquatic organisms. This study aims to determine the abundance, diversity, uniformity and dominance of plankton before sunrise (morning) and after sunrise (afternoon) as well as differences in the ratio of plankton abundance before sunrise and after sunrise (afternoon) in Kumpe Lake. . The research was carried out at three sampling points, namely at the inlet, in the middle of the lake and at the outlet. The main parameters measured included the number of individuals and plankton species, while the supporting parameters included physico-chemical factors in the waters, namely water temperature, light intensity, depth, pH and TDS levels. The results showed that the highest abundance of phytoplankton were Microcystis aeruginosa and Mougeotia viridis, while the highest abundance of zooplankton were Diaptomus siciloides and Cyclops vicinus. The diversity of plankton in the morning is included in the medium category, in the afternoon the low to moderate category. The uniformity of plankton in the morning and afternoon is in the low to high category. The plankton dominance index value in the morning indicates a dominant species, whereas during the afternoon it does not indicate a dominant species. The dominating species are Microcystis aeruginosa, Mougeotia viridis, Diaptomus siciloides and Cyclops vicinus. The results also show that the abundance of phytoplankton is higher during the day, and the abundance of zooplankton is higher in the morning

Potensi Fungi Asal Air Sungai Mengaji dan Prukut Kabupaten Banyumas sebagai Biodegradasi Pestisida Ayunda, Batari Citra; Dewi, Ratna Stia; Sastranegara, Moh Husein
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 5 No 4 (2023): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2023.5.4.4732

Pestisida merupakan zat kimia yang digunakan oleh bidang pertanian untuk melindungi tanaman dari serangan hama. Namun, kehadiran pestisida memiliki dampak negatif bagi lingkungan, kesehatan manusia, dan organisme yang hidup di sekitar tempat yang terpapar pestisida secara jangka panjang. Pada lahan pertanian, penggunaan pestisida menyebabkan residu pestisida terakumulasi di air sungai. Sehingga hanya organisme tertentu saja yang dapat bertahan hidup, salah satunya fungi. Penelitian menggunakan air sungai yang diambil sebagai sampel dan dilakukan isolasi untuk mendapatkan fungi yang berpotensi untuk mendegradasi pestisida. Uji potensi fungi dilakukan dengan penanaman fungi hasil isolasi dan pemurnian ke campuran media PDA (Potato Dextrose Agar) dan klorpirifos, pengukuran diamater koloni yang tumbuh pada media tersebut, dan identifikasi fungi sampai tahap genus yang memiliki potensi besar dalam mendegradasi pestisida. Lokasi pengambilan sampel berada di enam titik stasiun Sungai Mengaji dan Prukut Kabupaten Banyumas. Lokasi analisis sampel berada di Laboratorium Mikologi dan Fitopatologi Fakultas Biologi Universitas Jenderal Soedirman. Tujuan dilakukannya penelitian ini adalah memperoleh isolat fungi dari sungai Mengaji dan Prukut Kabupaten Banyumas, mendeteksi kemampuan fungi dalam mendegradasi pestisida, dan mengetahui genus isolat terbaik dalam mendegradasi pestisida. Isolat fungi yang diperoleh dari keenam stasiun Sungai Mengaji dan Prukut Kabupaten Banyumas terdiri dari 25 isolat yaitu F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21, F22, F23, F24, dan F25. Isolat fungi asal Sungai Mengaji dan Prukut Kabupaten Banyumas yang memiliki kemampuan tinggi dalam mendegradasi pestisida antara lain F12, F21, F24, dan F25. Genus isolat terbaik dalam mendegradasi pestisida setelah dilakukan identifikasi secara makroskopis dan mikroskopis adalah Trichoderma sp.

Kelimpahan Gastropoda pada Sungai Mengaji di Kabupaten Banyumas Arumdini, Gustia; Pulungsari, Anastasia Endang; Sastranegara, Moh. Husein
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 6 No 3 (2024): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2024.6.3.12749

River Mengaji originates from a water source on the southern forest slopes of Mount Slamet. Gastropods are important biotic components in river ecosystems and can be used as bioindicators due to their sensitivity to water quality changes. Gastropod abundance is closely related to the physical and chemical parameters of water quality. This study aimed to determine the abundance of gastropods, water quality, and the relationship between gastropod abundance and water quality in River Mengaji, Banyumas Regency. Species gastropod identified samples collected. The relationship between gastropod abundance and water quality was analyzed using Spearman's Rank Correlation. The result showed that the gastropods found in Sungai Mengaji consist of five species, namely Melanoides tuberculata, Sulcosprira testudinaria, Radix rubiginosa, Tarebia granifera, and Filopaludina javanica. The highest abundance of gastropods was observed at Station IV, followed by Stations II, III, and I. Water quality conditions were generally good enough, except for temperature and BOD at Station IV. The high abundance of F. javanica at Station IV is related to the high temperature and BOD conditions in Sungai Mengaji, Banyumas Regency.

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