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All Journal METAMORFOSA Journal of Biological Sciences Advances in Tropical Biodiversity and Environmental Sciences
Suprabadevi Ayumayasari Saraswati
Udayana University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Immunology & microbiology Veterinary

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STUDI PENDAHULUAN KADAR TIMBAL DAN KADMIUM DALAM AIR DAN IKAN NILA (Oreochromis niloticus, Linn.) SEBAGAI KAJIAN KUALITAS AIR DI BENDUNGAN TELAGA TUNJUNG, BALI Made Octiya Arimardewi; I Wayan Restu; Suprabadevi Ayumayasari Saraswati
Metamorfosa: Journal of Biological Sciences Vol 5 No 1 (2018)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2018.v05.i01.p13

Abstract

Bendungan Telaga Tunjung terletak di Desa Timpag, Kecamatan Kerambitan, Kabupaten Tabanan, Provinsi Bali. Dalam perkembangannya, wilayah sekitar bendungan dimanfaatkan untuk kegiatan pertanian, industri serta pemukiman yang memungkinkan terdapatnya masukan bahan pencemar seperti logam berat. Berdasarkan hal tersebut, perlu dilakukan penelitian mengenai kualitas perairan ditinjau dari kandungan logam berat, mengingat fungsi bendungan yang dimanfaatkan untuk masyarakat. Penelitian ini bertujuan untuk mengidentifikasi konsentrasi kandungan logam berat Timbal (Pb) dan Kadmium (Cd) pada kolom air dan ikan nila (Oreochromis niloticus, Linn.) di Bendungan Telaga Tunjung, yang dilakukan pada bulan Februari 2016. Metode yang digunakan adalah metode purposive sampling, dengan teknik pengambilan sampel air dilakukan secara komposit pada 5 stasiun berdasarkan perwakilan perairan bendungan. Pengambilan sampel air dilakukan sebanyak 3 kali setiap 2 minggu, dan pengambilan sampel ikan dilakukan secara acak sebanyak 1 ekor setiap 2 minggu. Kandungan logam berat dianalisis menggunakan alat Plasma Atomic Emission Spectrometer ICPE-9000. Kosentrasi logam berat Timbal (Pb) di badan air yang diperoleh berkisar 0 – 0,009 mg/l, dan Kadmium (Cd) berkisar 0,135 – 0,310 mg/l. Pada ikan nila, konsentrasi timbal tidak dapat terdeteksi, dan konsentrasi kadmium yang di dapat berkisar 0,330 – 0,728 mg/kg. Hasil tersebut menunjukkan bahwa perairan di Bendungan Telaga Tunjung telah tercemar oleh logam berat Kadmium (Cd), karena telah melebihi ambang baku yang ditetapkan Peraturan Gubernur Bali Nomor 8 Tahun 2007 tentang Baku Mutu Lingkungan Hidup dan Kriteria Baku Kerusakan Lingkungan Hidup Kelas II yaitu sebesar 0,03 mg/l, dan melebihi ambang baku yang ditetapkan SNI (Standar Nasional Indonesia) 7387:2009 sebesar 0,1 mg/kg untuk ikan dan hasil olahannya.
The Composition, Size Distribution and Growth Patterns of Penaeus monodon and Penaeus merguiensis at the Estuary of Tukad Aya, Jembrana Bali Josua Siagian; I Wayan Arthana; Dewa Ayu Angga Pebriani; Suprabadevi Ayumayasari Saraswati
Advances in Tropical Biodiversity and Environmental Sciences Vol 4 No 1 (2020): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (920.717 KB) | DOI: 10.24843/ATBES.2020.v04.i01.p04

Abstract

Estuary ecosystem has an important role in supporting the life of shrimp. High productivity and the availability of natural food in the estuary ecosystem, will indirectly affect the growth of shrimp. Penaeus monodon and Penaeus merguiensis were two species of shrimp that had economic value with high demand. The purpose of this study was to determine the biological aspects of Penaeus monodon and Penaeus merguiensis shrimp at estuary of Tukad Aya, Bali. Data collection was carried out in February-March 2019 using quantitative descriptive research methods. The determination of the research station was done by purposive sampling. The results showed the total number of shrimps were caught 1,756 individuals, which consist of Penaeus monodon 151 individuals, Penaeus merguiensis 224 individuals and 1,325 individuals of other shrimp. The composition of Penaeus monodon (8.6%) was less than Penaeus merguiensis (12.76%). Shrimp length measurements were divided into 9 groups with a range of values of 55.15-189.95 mm in Penaeus monodon and 31.3-140.1 mm in Penaeus merguiensis. The results of the length and the weight regression in both species of shrimp obtained the value of b <3 so that the growth pattern of shrimp was categorized as negative allometric where length growth was faster than weight gain.
The Effects of Shrimp Pond Waste on Water Quality of Patas Village as A Center Of Seaweed (Eucheuma spinosum) Cultivation I Ketut Wija Negara; Suprabadevi Ayumayasari Saraswati; Ni Putu Putri Wijayanti
Advances in Tropical Biodiversity and Environmental Sciences Vol 2 No 1 (2018): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.4 KB) | DOI: 10.24843/ATBES.2018.v02.i01.p01

Abstract

The intensive farming of vannamei shrimp in Patas village release waste that affected the water quality for seaweed cultivation. The aims of this study were to investigate the effects of shrimp pond waste to water quality and growth of seaweed Eucheuma spinosum in Patas village. The research located in Patas village, Gerokgak district, Buleleng regency, Bali province, during the plantation cycle (45 days) from July to September 2017. The collected data consist of total N, total P, Nitrate (NO3-), Ammonium (NH4+), and Phosphat (PO43-). The results showed the average weight of seaweed near the shrimp ponds was 5.85% g with 0.15% g increment, while at the far location from shrimp ponds was 7.05% g with 0.41% g increment. Its indicated that the Eucheuma spinosum cultivated in far location has a better yield than the near location from shrimp ponds. The Chlorine content in shrimp pond waste affecting the seaweed growth and water quality, such as salinity, pH, DO, Nitrate, and Phosphat.
Coral Fish Ecology Syngnathidae as Ecotourism Supporting Power in Blue Lagoon Coastal Waters Karangasem, Bali Suprabadevi Ayumayasari Saraswati; Dewa Ayu Angga Pebriani; Kolis Pratama
Advances in Tropical Biodiversity and Environmental Sciences Vol 2 No 2 (2018): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (213.268 KB) | DOI: 10.24843/ATBES.2018.v02.i02.p03

Abstract

The Syngnathidae reef fish belongs to the vulnerable category of CITES due to the decrease in its original habitat. This is due to the high activity of predatory and utilization as raw material of traditional medicine. This study aims to study the ecological conditions including the distribution and abundance of reef fish Syngnathidae in the waters of the Blue Lagoon Karangasem waters and study the physical condition of its aquatic chemistry. This research was conducted from August to October 2017. The determination of research station was done based on Purposive sampling methods. For data retrieval of the Syngnathidae reef fish using square squares method with size 10x10 m in each sampling location. The result of this research is the emergence of species of reef fish Syngnathidae ranged from 1-4 individual at each location of observation. The results show that the ecological condition of the Syngnathidae reef fish in the Blue Lagoon coastal waters is of concern, this refers to the distribution and abundance of the limited reef fish Syngnathidae in its distribution. On the other hand, analysis of physical chemistry data shows that the condition of Blue Lagoon coastal waters tends to be stable. Measurement of water physics-chemical parameters obtained result of temperature measurement range 28-29oC, salinity 27-29 ppt, pH 7.08-7,89 and DO 7-7,75 mg/l. The result of physicochemical parameter measurement is related to the quality standard of Kep.Men.LH No.51 about the quality of the waters for marine biota was good for the existence of Syngnathidae reef fish. In general, the aquatic chemical physics conditions have a significant influence on the emergence of reef fish Syngnathidae found in stations 1 and III but not found in station II located in the middle of the waters between stations I and III.
Co-Authors Dewa Ayu Angga Pebriani I Ketut Wija Negara I Wayan Arthana I Wayan Restu Josua Siagian Kolis Pratama Made Octiya Arimardewi Ni Putu Putri Wijayanti