Atminarso, Dwi
Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

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FOOD COMPOSITION AND NICHE CHARACTERISTIC OF GIANT FEATHERBACK (Chitala lopis, Bleeker 1851) IN KAMPAR RIVER, INDONESIA Wibowo, Arif; Affandi, Ridwan; Atminarso, Dwi
Indonesian Fisheries Research Journal Vol 20, No 1 (2014): (June 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 (480.497 KB) | DOI: 10.15578/ifrj.20.1.2014.1-10

Abstract

This paper provides information on the diets of Chitala lopis in Kampar River, Riau Province based on study conducted from Mei 2009 to November 2010. Fish species were obtained from fishers using modified nets, traps, hooks and lines. Specimens were cold with cool box at the point of collection and transported to the laboratory. A total of 176 fish specimens were inspected and their stomach contents were examined. The month-wise collection and experiments were made to exhibit the seasonal variation in food preferences, and feeding habit of the fish. Frequency of occasion and numerical methods were used in this study. Results of denote that C. lopis fed on juvenile fish, shrimp, plant material, insects, worms, benthos, gravel and unidentified organism. The consumption of shrimp tends to increase due to giant featherback’s size, which relates to wider mouth, energy, location (water depth) and gonad development, also there is an increase of shrimp consumption during dry season. In giant featherback, the percentage of consumed shrimps is associated with sex and season, meanwhile the consumption of small fish and plant material is related to fish’s size, sampling station and maturity index. Giant featherback tends to be more selective consuming certain food’s group while growing.
FISHING ACTIVITIES AND FISHERMEN INCOME IN RANAU LAKE, SOUTH SUMATRA Muthmainah, Dina; Subagdja, Subagdja; Makri, Makri; Atminarso, Dwi; Makmur, Safran
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 (743.286 KB) | DOI: 10.15578/ifrj.21.1.2015.19-26

Abstract

Fish resources contribute to the socio-economic development for people who live surrounding the waters. The fishermen of Ranau Lake, South Ogan Komering Ulu Regency, South Sumatra Province and West Lampung Regency, Lampung Province are the prime stakeholder and direct interest in fish resources, because they depend on it for their livelihoods or they are directly involved in its exploitation in some ways. However, to well manage these resources, it needs data and information about fish utilization and fishing activity. The objectives of this work are to assess fishing activities such as the fishing craft and gears, catch composition, fish yield, catch per unit of effort (CPUE) and to estimate the fihermen income with economical parameter such as cost and price. Field surveys were conducted from February to November 2014. Fishing activities data were collected from field survey and interview. The results showed that fish resources utilization in Ranau Lake was categorized as traditional and small scale fisheries using different selective fishing gears such gillnet, harpoon, net trap and basket trap with the fish catch in average of 696.66 g/day; 205.03 g/day; 1.584.06 g/day and 123.67 g/day, respectively. Fisherman income (IDR 2,163,300) means the fishermen in Ranau Lake reach standard Indonesian welfare.