Ni Komang Suryati, Ni Komang
Balai Penelitian Perikanan Perairan Umum

Published : 8 Documents
Articles

Found 8 Documents
Search

COMMUNITY STRUCTURE OF MAKROZOOBENTHOS IN ESTUARY OF BANYUASIN RIVER OF SOUTH SUMATRA Suryati, Ni Komang; Prianto, Eko
Widyariset Vol 15, No 2 (2012): Widyariset
Publisher : LIPI-Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (805.611 KB)

Abstract

Community structure of macrozoobentos in estuary of Banyuasin important as based of knowledge about bioindicator environtment. The aim of this research was to examine the community structure of macrozoobenthos in estuaries Banyuasin river of South Sumatra. This research conducted by field survey method. Field sampling was selected by purposive random sampling. Macrozoobenthos samples were taken using ekman grab. Further silt that is picked up from the tool was filtered using a filter to separate from the mud. Samples was inserted into the bottle sampel and then identifyed in the laboratory. Results showed that the highest density of macrozoobenthos occured in Oktober and the lowest in April. Diversity of macrozoobenthos based on index Shannon-Wiener average of all station showed a value of 1< H’ < 3. There were significant differences (P<0,05) at each sampling month and the highest value found in June amounting to 1,82. The value of uniformity during the research as seen from the difference in observation time was low. For environtmental quality criteria based on the diversity index Shannon-Wiener showed that the value of IML is 1,62 which means that in the area in the station that is contaminated with medium level.
CURRENT STATUS AND PROBLEMS OF THE CATCH STATISTICS ON ANGUILLID EEL FISHERY IN INDONESIA Honda, Satoshi; Muthmainnah, Dina; Suryati, Ni Komang; Oktaviani, Dian; Siriraksophon, Somboon; Amornpiyakrit, Taweekiet; Prisantoso, Budi Iskandar
Marine Research in Indonesia Vol 41, No 1 (2016)
Publisher : Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (925.851 KB) | DOI: 10.14203/mri.v41i1.94

Abstract

To compensate the decline of the populations of temperate anguillid eels, tropical anguillid eels become getting attention of East Asian eel market in recent years. Many eel farms have been established in Java Island to culture tropical anguillid eels intending to export the products to East Asia. Since eel farming is reliant on wild-caught anguillid eels such as glass eels, elvers and yellow eels, these eel seeds have been captured in various places in Indonesia. However, it is still unknown that how much of tropical anguillid eels are caught as seeds for eel farming. This study showed two different patterns of the commodity chains of eel seeds from both Sukabumi Regency and Bengkulu Province to the eel farms in Java Island. Official catch statistics on anguillid eels found in both Sukabumi Regency and Bengkulu Province were also analyzed on their features and problems underlied. Considering the sustainable use of anguillid eel resources and critical stances on exploitation of eel seeds from all over the world, the Indonesian government should take an immediate action for developing the national catch statistics on anguillid eel fishery as soon as possible.  
LIMNOLOGICAL CONDITION AND ESTIMATION OF POTENTIAL FISH PRODUCTION OF KERINCI LAKE JAMBI, SUMATRA Samuel, Samuel; Suryati, Ni Komang; Adiansyah, Vipen
Indonesian Fisheries Research Journal Vol 21, No 1 (2015): (June 2015)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (549.51 KB) | DOI: 10.15578/ifrj.21.1.2015.9-18

Abstract

Kerinci Lake is a type of tectonic lakes located in a protected forest area of National Park of Kerinci Sebelat and a source of various fish species important for local people for their dayly food comsumption and income. However, few information is available on limnological condition and fish resources. Field research observing the limnological condition and estimating the potential fish production was conducted four times in April, June, August and October 2013. The research is aimed to describe the condition of limnology and estimate the potential fish production of the lake. Limnological aspect included the physico-chemical and biological parameters, namely: temperature, water transparency, depth, substrate, conductivity, pH, dissolved oxygen, alkalinity, ammonia, nitrate, phosphate, total phosphorus, chlorophyll-a and trophic state. Potential fish production was calculated by using the biological parameter levels of chlorophyll-a. The results show that the euphotic layer of the lake waters was still feasible for fish life. Water condition of the bottom layer was less supportable for fish life due to low dissolved oxygen content. Trophic state index (TSI) values, either measured by temporal and spatial ways, had TSI with an average of 61.75. From these index, the lake is classified as a lake at the high productivity level (eutrophic). Annual fish production was an average of 307 kg/ha/year. By taking account the average of fish production and the total area of lake of around 4,200 ha, the potential fish production of Kerinci Lake is estimated about ± 1,287 tons/year.
KERAGAMAN JENIS IKAN DAN KEBIASAAN MAKAN DI MUARA SUNGAI MUSI Prianto, Eko; Suryati, Ni Komang; Kamal, Muhammad Mukhlis
BAWAL Widya Riset Perikanan Tangkap Vol 4, No 1 (2012): (April 2012)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.92 KB) | DOI: 10.15578/bawal.4.1.2012.35-43

Abstract

Populasi ikan di suatu perairan berkaitan erat dengan keragaman jenis dan makanan yang tersedia. Penelitian ini bertujuan untuk mengetahui komposisi jenis dan kelimpahan sumberdaya ikan berdasarkan kebiasaan makannya di muara Sungai Musi Sumatera Selatan. Pengambilan sampel dengan menggunakan pukat hela dan belad dilakukan pada bulan Maret dan Juni 2008 masing-masing pada 4 stasiun pengambilan contoh yang mewakili perairan muara Sungai Musi. Hasil penelitian diperoleh sebanyak 34 jenis ikan di bagian tepi sungai dan 63 jenis di bagian tengah sungai. Ditinjau dari kebiasaan makan pada bulan Maret untuk ikan yang berada di tepi sungai diperoleh kelimpahan ikan herbivora paling tinggi (49 %) dan terendah ikan yang bersifat omnivora (1 %). Pada bulan Juni kelimpahan ikan carnivora paling tinggi (50 %) dan terendah ikan omnivora (1 %). Untuk jenis ikan yang berada di tengah sungai, kelimpahan ikan yang tertinggi pada bulan Maret yaitu ikan herbivora (87 %) dan terendah ikan omnivora (2 %). Pada bulan Juni kelimpahan yang tertinggi yaitu ikan carnivora (57 %) dan terendah ikan omnivora (0,2 %). Fish populations in the waters is closely related to species diversity and food available. The objective of this study is to determine of species composition and abundance of fish resources based on feeding habit in the estuarin water of Musi river. Sample was taken from 4 fishing stations by using trawl and towing net (belad) in March and June 2008. The results showed that there were 34 species of fish in the riverside and 63 species of fish in the middle stream. Analysis of feeding habit in March for the fishes in found riverside showed that herbivorous fish was highest 49% of total catch and the lowest was omnivorous fish (1%). While in June the carnivorous fish was highest (50%) and the lowest was omnivorous fish (1%). In the middlestream the highest abundance in March was herbivorous fish (87%) and the lowest (57%) was omnivorous fish (2%). In June, the highest abundance of fish was carnivores and the lowest was omnivorous fish (0.2%).
BIOLOGI REPRODUKSI IKAN SUMPIT (Toxotes microlepis Gunther 1860) DI PERAIRAN SUNGAI MUSI SUMATERA SELATAN Suryati, Ni Komang; Makmur, Safran; Nurdawati, Syarifa
BAWAL Widya Riset Perikanan Tangkap Vol 6, No 3 (2014): (Desember 2014)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (545.846 KB) | DOI: 10.15578/bawal.6.3.2014.119-126

Abstract

Kegiatan penangkapan ikan sumpit sebagai ikan hias secara terus menerus di SungaiMusi oleh para nelayan akan mengakibatkan penurunan populasi ikan tersebut. Ikan sumpit termasuk ikan yang bernilai ekonomis tinggi, harganya di pasaran Rp 150.000,-. Oleh karena itu perlu dilakukan penelitian untuk mengetahui aspek biologi reproduksi ikan sumpit sebagai salah satu informasi untuk mendukung pelestarian ikan sumpit agar populasi ikan sumpit tetap terjaga. Penelitian dilakukan pada setiap bulan sejak Juni hingga Oktober 2011. Pengambilan sampel Ikan sumpit dilaksanakan di Perairan Sungai Musi dari Borang sampai Sungsang. Hasil penelitianmenunjukkan rasio kelamin antara ikan jantan dan ikan betina terjadi ketidakseimbangan dimana rasio kelamin ikan jantan jauh lebih banyak dibandingkan rasio kelamin ikan betina (2:1). Rata-rata nilai Indeks Gonad Somatik ikan sumpit berkisar antara 4,27±1,27. Nilai dari fekunditas ikan sumpit betina secara keseluruhan berkisar 6.655-72.726 butir/individu. Kisaran diameter telurnya antara 0,27 – 0,95 mm. Ukuran pertama kali matang gonad pada panjang total 134,97 mm untuk ikan jantan dan 116,31 mm untuk ikan betina.Fishing activity of archer fish as ornamental fish continuously in Musiriver by fisher will decrease it population. The price is Rp 150.000,-/fish in market so that Archer fish has high economy value. Therefore it was necessary to study the reproductive biology of archerfish that may be used as a reference for better management in order to achieve stability of its population. The research was conducted every month from June to October 2011 in downstream ofMusiriver South Sumatera. Result of this research showed that proportion between male and female were not equal (2:1). Gonad Somatic Index of archer fish values ranged 4,27 ± 1,27 and the fecundity of the female is estimated between 6655 to 72726 eggs. The average diameter of mature egss ranged form 0.27 to 0.95 mm. Length of first maturity for male and female were 134.97 mm and 116.31 mm, respectivelly.
KEBIASAAN MAKAN DAN HUBUNGAN PANJANG BOBOT IKAN GULAMO KEKEN (Johnius belangerii) DI ESTUARI SUNGAI MUSI Prianto, Eko; Suryati, Ni Komang
BAWAL Widya Riset Perikanan Tangkap Vol 2, No 6 (2009): (Desember 2009)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (561.797 KB) | DOI: 10.15578/bawal.2.6.2009.257-263

Abstract

Penelitian ini dilaksanakan pada tahun 2007 dan 2008 dengan lokasi estuari Sungai Musi, Sumatera Selatan. Penelitian ini bertujuan untuk mengetahui kebiasaan makan dan hubunganpanjang bobot ikan gulamo keken (Johnius belangerii) di estuari Sungai Musi yang berfungsi sebagai data dasar dalam pengelolaan sumber daya perikanan. Pengambilan ikan contoh dilakukan pada bulan Juli 2007 dan Januari 2008 dengan menggunakan alat tangkap jaring kantong dan trawl. Analisis data meliputi hubungan panjang bobot, faktor kondisi, luas relung makanan, dan indeks preponderance. Frekuensi ikan gulamo keken yang diamati selama penelitian berjumlah 81 ekor dengan panjang total berkisar antara 7,2-23,8 cm. Berdasarkan pada analisis hubungan panjang bobot Ikan gulamo keken diperoleh nilai b 2,8266 dengan nilai koefisien korelasi (r) sebesar 0,93. Hasil uji t menunjukkan pola pertumbuhan ikan gulamo keken yaitu allometrik negatif dan faktor kondisi memiliki kisaran nilai antara 0,58-1,44 dengan rata-rata 1,01. Ikan gulamo keken merupakan jenis ikan karnivora dengan nilai perbandingan panjang usus dengan panjang tubuh berkisar antara 0,22-0,73 (<1). Makanan yang ditemukan di dalam saluran pencernaan ikan gulamo keken adalah udang (89,39%), ikan (6,56%), kepiting (4,03%), dan serangga (0,02%). Sedangkan luas relung makanan tergolong kecil yaitu sebesar 1,24.
VARIASI KUALITAS AIR DAN ESTIMASI POTENSI PRODUKSI IKAN PERAIRAN DANAU BATUR, PROPINSI BALI Samuel, Samuel; Suryati, Ni Komang
Jurnal Penelitian Perikanan Indonesia Vol 20, No 2 (2014): (Juni 2014)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.20.2.2014.89-96

Abstract

Danau Batur merupakan tipe danau vulkanik berbentuk kaldera di Propinsi Bali yang tidak mempunyai aliran air keluar (outlet). Danau ini mempunyai peranan penting sebagai sumber penyediaan protein hewani bagi masyarakat Kabupaten Bangli khususnya dan Bali pada umumnya. Informasi mengenai kondisi limnologi dan biologi perairan yang dapat digunakan sebagai dasar untuk pengembangan dan pengelolaan perikanan belum banyak tersedia. Oleh karena itu, penelitian mengenai aspek limnologi dan estimasi potensi produksi ikan dilakukan pada Februari, Mei, September dan Nopember 2011.  Estimasi potensi produksi ikan diketahui dengan menerapkan rumus empiris dari hubungan antara produksi ikan dengan indeks morfoedafik. Dari nilai indeks status trofik perairan (55,17–61,14), perairan Danau Batur diklasifikasikan sebagai perairan dalam tingkat eutofik ringan sampai sedang. Dari nilai-nilai parameter daya hantar listrik, konsentrasi fosfat (PO4-P), nitrat (NO3-N), total nitrogen (TN), dan alkalinitas, perairan Danau Batur secara umum dapat dikategorikan sebagai perairan subur yang dapat dimanfaatkan oleh organisme air yang berfungsi sebagai makanan alami, yang dapat mendukung kehidupan ikan. Perairan Danau Batur yang relatif subur ini memberikan gambaran potensi produksi sebesar 98,56-99,48 kg/ha/tahun (rata-rata 99,15 kg/ha/tahun). Dengan memperhitungkan luas perairan danau, potensi ikan Danau Batur diperkirakan secara rata-rata sebesar 159 ton/tahun. Nilai potensi produksi ini relatif lebih tinggi dari target produksi perikanan pada 2010 sebesar 150 ton. Agar dapat mempertahankan keberlanjutan proiduksi perikanan tangkap di Danau Batur, disarankan agar produksi perikanan tidak melebihi nilai potensi produksi seperti yang diperoleh dalam penelitian ini.Lake Batur is a type of volcanic lake shaped caldera that has no water flow out (outlet). The lake has an important role to provide a protein source for the people of Bangli regency. However, the Information about the condition of limnology and aquatic biology that can be used as a basis for the development and management of fisheries has not been widely available. Therefore, research on aspects of limnology and estimation of fish production potential had been conducted in February, May, September and November 2011. Estimation of the potential of fish production was evaluated by applying the empirical formula of the relationship between fish production with morfoedafik index. Based on the aquatic trophic state index score (55.17 to 61.14), the waters of Lake Batur was classified as mild to moderate eutofik levels. From the values of the parameters of conductivity, the concentration of phosphate (PO4-P), nitrate (NO3-N), total nitrogen (TN), and alkalinity, the waters of Lake Batur in general can be categorized as productive waters that can be utilized by aquatic organisms as a natural food, which can supported the fish life. Waters of Lake Batur that was relatively productive provided the illustrating the production potential of 98.56 to 99.48 kg/ha/year (an average of 99.15 kg/ha/year). With into accounting the wide of the lake waters, fish potential of Lake Batur was estimated average of 159 tons/year. The potential value of this production was relatively higher than the fishery production target in 2010 amounted to 150 tons. In order to maintain the sustainability of fisheries production at Lake Batur, it was suggested that fish production did not exceed the value of fisheries production potential as obtained in this study. 
KOMPOSISI JENIS DAN POTENSI SUMBER DAYA IKAN DI MUARA SUNGAI MUSI Prianto, Eko; Suryati, Ni Komang
Jurnal Penelitian Perikanan Indonesia Vol 16, No 1 (2010): (Maret 2010)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.16.1.2010.1-8

Abstract

Penelitian ini dilaksanakan pada bulan Maret sampai Desember 2008 di muara Sungai Musi, Sumatera Selatan. Penelitian ini bertujuan untuk mengetahui komposisi jenis dan potensi sumber daya ikan di muara Sungai Musi yang berfungsi sebagai data dasar dalam pengelolaan sumber daya pesisir laut di Sumatera Selatan. Pengambilan contoh dilaksanakan dua kali, yaitu pada bulan Maret dan Juni 2008. Pengumpulan data primer dilakukan dengan metode observasi (survei lapangan) di empat stasiun yang mewakili perairan estuari Sungai Musi. Hasil pengambilan contoh dengan menggunakan mini trawl dan enumerator diperoleh komposisi jenis ikan di muara sungai Musi 39 jenis pada bulan Maret dan 26 jenis pada bulan Juni 2008. Secara keseluruhan, jumlah jenis ikan yang dijumpai pada kawasan muara Sungai Musi 54 jenis, sedangkan potensi sumber daya ikan berdasarkan pada hasil analisis data tentang stok ikan di kawasan yang bersangkutan berkisar antara 24,5-105,47 kg/km2. Field study in order to investigate fish composition and potency of fish resources of Musi River estuarine was conducted from March to December 2008. Fish samples were collected in three sampling times March and June 2008 from 4 sampling sites in Musi River estuarine set up based on difference in micro habitat. Fish were collected by using mini trawl experiment and from daily record of fishermen using different fishing gears. Results of this study indicated that fish catch in March and June was composed of 39 and 26 fish species respectively, and the total fish species recorded was 54 species. The potency of fish resource of Musi River estuarine was estimated in the range of 24.5 105.47 kg/ km2.