Research Output of the Fisheries Sector Program: Volume 2. Reports on Fisheries and Aquaculture: Recent submissions
Now showing items 21-32 of 32
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Collection of the orange-spotted grouper Epinephelus coioides from Tinagong Dagat and Sapian Bay in northern Panay
(Bureau of Agricultural Research, Department of Agriculture, 2007)In Capiz, northern Panay, grouper catches by hand picking, hook and line, shelters, and fish corral were low throughout the year, on average 1-3 fish from each fishing operation, but higher in Tinagong Dagat than in Sapian ... -
Bacterial loads in hatcheries and virulence of Vibrio spp. to larvae of the tiger shrimp Penaeus monodon
(Bureau of Agricultural Research, Department of Agriculture, 2007)Shrimp hatcheries are high-density systems and are prone to diseases. A small-scale and a large-scale hatchery for the tiger shrimp Penaeus monodon in Iloilo, Philippines were monitored over two months for water quality ... -
Households, agriculture, industry, fishing, and fish farming along Imbang River, Negros Occidental
(Bureau of Agricultural Research, Department of Agriculture, 2007)Interviews were conducted among respondents identified from the households, agriculture farms, sugar mills, and fish farms along the whole stretch of Imbang River, Malisbog River, and Muyao Creek, down to Barangay Balaring ... -
Domestic effluents and pollution in Imbang River, Negros Occidental
(Bureau of Agricultural Research, Department of Agriculture, 2007)Domestic effluents, or waste waters from human settlements, were sampled from eight stations along Imbang River in Negros Occidental from July 1993 to February 1995. Three types of domestic waste waters were produced by ... -
Sugar mill effluents and water quality in Imbang River and Malisbog River, Negros Occidental
(Bureau of Agricultural Research, Department of Agriculture, 2007)The effluents of two sugar mills and the effects on water quality in the receiving rivers were studied. Sugar mill A was located in Barangay Dos Hermanas in Talisay and discharged directly into Imbang River. Sugar Mill B ... -
Shrimp pond effluents and water quality in Imbang River, Negros Occidental
(Bureau of Agricultural Research, Department of Agriculture, 2007)The contribution of shrimp farm effluents to the pollution load in Imbang River, Negros Occidental was measured during the period May 1993 to February 1995. Shrimp pond effluents were characterized and the pollution load ... -
Agricultural run-off and pollution in Imbang River, Negros Occidental
(Bureau of Agricultural Research, Department of Agriculture, 2007)This study determined the concentration of key pollutants carried by agricultural run-off from the drainage area of Imbang River, Negros Occidental over a two-year period. The quantities loaded into the river were estimated ... -
Water quality in Imbang river, Negros Occidental: effluents and pollutant loads from agriculture, sugar mills, households, and shrimp farms
(Bureau of Agricultural Research, Department of Agriculture, 2007)An ecological assessment of Imbang River in Negros Occidental was undertaken from December 1992 to February 1995. The effluents from sugar mills, households, shrimp farms, sugarcane plantations and rice fields were ... -
Socioeconomic profile of tuna fishers in northwestern Luzon
(Bureau of Agricultural Research, Department of Agriculture, 2007)A study of tuna fishers in northwestern Luzon (Region I) was done by means of a questionnaire. The 511 respondents included 178 from Ilocos Sur, 200 from La Union, and 133 from Pangasinan. Most of them were younger than ... -
Diet and sexual maturity of yellowfin and skipjack tuna taken by hand lines from fish-aggregating 'payaw' off northwestern Luzon
(Bureau of Agricultural Research, Department of Agriculture, 2007)Skipjack tuna Katsuwonus pelamis and yellowfin or albacore tuna Thunnus albacares taken by hand lines from the 'payaw' off La Union and Ilocos Sur were sampled from April 1994 until August 1995. Skipjack ranged from 28 cm ... -
The tuna fishery off northwestern Luzon: catch of purse seines and hand lines operating around fish-aggregating 'payaw'
(Bureau of Agricultural Research, Department of Agriculture, 2007)The tuna fishery along northwestern Luzon was studied from March 1994 to April 1995. About 120 units of fish aggregating ‘payaw’ were set 20–100 km offshore and fished by about 350 handline boats and 6 purse seines. The ... -
Changes in the fish diversity and abundance on a heavily fished fringing reef on Santiago Island, Pangasinan, Philippines
(Bureau of Agricultural Research, Department of Agriculture, 2007)Fish assemblages on the reef slope, reef flat, and seagrass beds on Santiago Island were sampled over 18 months in 1992-1993 as part of a 6-year reef monitoring project started in 1986. Abundance and species diversity were ...
