SEAFDEC/AQD-Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA): Recent submissions
Now showing items 21-40 of 49
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Revisiting the Ligawasan marshland in Mindanao: An indigenous resource management system study towards sustainability
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The Ligawasan Marshland covering an area of 288,000 ha is important to hundreds of thousands of Magindanawan Bangsamoro fisher-farmers whose basic means of livelihood are wild fishing and traditional rice farming. This ... -
Hi-density tank culture of Nile tilapia (Oreochromis niloticus) using lake water with effluent management
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Nine concrete tanks (2 x 2 x 1 m) were stocked with tilapia fingerlings (abw = 3.3±0.9 g) and three stocking rates (50 fish/m2, 100/m2, and 150/m2) were tried. The rearing period lasted for ... -
Aquaculture practices in Laguna de Bay, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)A survey was conducted to obtain information on the fish culture practices of the fish farmers in Laguna de Bay, Philippines. Fish farms vary greatly in size. Nile tilapia and bighead carp are the two fish species cultured ... -
Status and impacts of tilapia fish cage farming in Lake Bato: Some policy and management options for sustainable development
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)An assessment and impact analysis of the fish cage arming in Lake Bato was conducted from October 1999 to January 2000 through a field survey and personal interviews with fish cage farmers, operators and key informants in ... -
Sustaining the resource use and management of Sampaloc Lake, San Pablo City, Philippines: A potable source of water
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Water is the most basic and indispensable commodity. In the past, nobody realized the value of water until the wells and rivers started to dry. Of the numerous natural lakes of the Philippines (about 59), all are potential ... -
Prawn fisheries of Lake Bato
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Lake Bato is one of the most important lakes in the Bicol Region in terms of economic benefits to lakeshore communities. It is considered a commercial fishing ground of endemic and indigenous fish species. However, fish ... -
Socio-ecological case study of Lake Danao, Ormoc City, Philippines: Implications to management and policy
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)This paper discusses some of the social, political, and economic pressures impinging upon the ecosystem components of Lake Danao in Ormoc City, Philippines. Conflicting objectives among individual residents and various ... -
Documenting the presence and impact of introduced freshwater fishes for aquaculture in the Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The demand for fish protein in the Philippines cannot be met by capture fisheries alone so the Philippine government has turned to aquaculture as an alternative source of fish protein. Aquaculture has promoted the introduction ... -
Back to basics: Institutional and behavioral perspectives on the Taal Lake fish cage industry
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The practice of fish cage culture existed in Taal Lake in the 1970s but it only flourished in the late 1990s, degrading water quality and increasing fish kill incidences in cage areas. This paper analyzes the Taal Lake ... -
Fisheries in the floodplain lakes of Agusan marsh and its implications for sound management
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Yearlong assessment of the artisanal fishery from the three floodplain lakes of Ticgon, Dinagat, and Mihaba in Agusan Marsh, a declared national priority protected area, was done using length-weight frequency analyses. ... -
Policy issues on lake management in the Philippines
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Bathymetry and vertical temperature profile of Lake Mainit
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)The bottom topography and vertical temperature profile of Lake Mainit was assessed to provide baseline data to understand the dynamic behavior of the lake as an ecosystem. Many limnological phenomena, distribution of biota, ... -
Transformation of Laguna Lake from a marine arm of Manila Bay to a freshwater system
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Evolution of Laguna Lake during the past 6,000 years is established using paleontologic, sedimentologic, and geochemical profiles of a 10.5-meter long sediment core from the western lobe. Marine molluscan and diatom ... -
Catastrophic flood hazards from crater lakes: Parker and Pinatubo volcanoes, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)In a span of seven years, three catastrophic flood events ensued from the breakout of two crater lakes: two from Maughan Lake, the crater lake of Parker volcano, and one from Pinatubo volcano. The mechanisms of the three ... -
Microcystins from the cyanobacteria Microcystis aeruginosa in Laguna de Bay, Philippines
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Laguna de Bay, the largest freshwater lake in the Philippines, experiences periodic blooms of the cyanobacteria Microcystis aeruginosa. The results of analysis for the presence of the hepatotoxin microcystins in bloom ... -
Assessment of the Lumban River Delta in Laguna de Bay, Philippines for conservation
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History of trace metal pollution in Laguna Lake, Laguna, Philippines
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Influence of salinity on primary productivity of Laguna Lake during the last few hundred years from sediment geochemistry
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Bottom sediment transport in Laguna Lake, Laguna, Philippines determined from geochemistry
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The ichthyofauna of Lake Manguao, Taytay, Palawan, Philippines with special reference to endemic species
(Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA), 2005)Lake Manguao is the only freshwater lake in mainland Palawan. It is special because it has no surface outflow that connects it to the sea. The fish fauna of Lake Manguao was studied during three sampling events in June, ...
