Now showing items 521-540 of 767

    • An environmental assessment of the aquaculture potential of Lake Gawaan, Lake Lenneng and Lake Banao/Danum at the Mt. Province 

      Dang-awan, Rebecca G.; Estima, Martha; Gayagay, Petra; Pagtan, Aida; Ramos, Ma. Abegail A. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      This study reviews the existing conditions of the three Mt. Province lakes: Lake Gawaan, Lake Lenneng and Lake Banao/Danum. Three mechanisms were employed. First is the overview of the resource capabilities. This includes ...
    • Fish in a man-made lake: what is there to eat? (Ecological studies in La Mesa Reservoir) 

      Abesamis, Rene A.; Mamaril, Augustus C.; Lopez, Nellie C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Since 1975, a number of ecological studies have been done in La Mesa Reservoir (also known as La Mesa Dam or La Mesa Lake). Eight species of fish are known to occur in the lake; of these species, one is stocked to control ...
    • An ecological assessment of seven major lakes in the Philippines 

      Zafaralla, Macrina T. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      An ecological assessment was done on the seven major lakes in the Philippines, namely; Laguna de Bay, Taal, Naujan, Lanao, Mainit, Buluan, and Bato. The assessment was based largely on secondary data and some primary data. ...
    • Some limnological features of the northern shore areas of Volcano Island, Lake Taal 

      Lopez, Nellie C.; Javier, Sonia N.; Mamaril, Augustus C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Physico-chemical and biological features of the northern shore areas of Volcano Island, Lake Taal observed at monthly intervals from four stations during the period 1994 and 1996 indicate varied microhabitats inhabited by ...
    • Mechanisms for lake formation in the Philippine archipelago 

      Punongbayan, Raymundo S.; Listanco, Eddie L. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Topographic depressions, which when filled with water become lakes, can originate in a number of ways as a result of volcanic processes and activities, crustal and fault movements, stream processes, dissolution of rocks, ...
    • Impact assessment of cage culture in Lake Taal, Philippines 

      Alcañices, Marilyn M.; Pagulayan, Roberto C.; Mamaril, Augustus C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      The environmental impact of cage culture on water quality of Lake Taal was assessed from March 1996 through February 1997. Three stations were considered namely: Balas, which serves as station 1 (non-cage area) and Sampaloc ...
    • Autoecology of an endemic calanoid copepod: The first step in biodiversity conservation in Lakes 

      Palomar, Nadia E.; Mamaril, Augustus C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Copepods, specifically calanoid copepods, play an important role in the productivity of aquatic ecosystems since they serve as a crucial link between primary producers and carnivores. In tropical reservoirs and lakes, they ...
    • Stock assessment of commercially important fishes in Naujan Lake 

      Pasumbal, Ramelo A.; Perez, Cirila T. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      The study aimed to assess the capture fisheries of Naujan Lake with emphasis on commercially important fish species and to determine the extent of their exploitation. Four major fish landing centers in the ...
    • Translocation of the clupeid Sardinella tawilis to another lake in the Philippines: A proposal and ecological considerations 

      Mamaril, Augustus C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      The dwindling commercial catch of Sardinella tawilis (Clupeidae), locally known as 'tawilis', reported in recent years by local fisher folk in Lake Taal, Batangas, Philippines, could be a result of the interaction of factors ...
    • Assessment of local government's implementation of open access policy in Taal Lake, Philippines: Effects on lake conservation and management 

      Mercene-Mutia, Ma. Theresa (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      The effects of local government's implementation of the current national policy on open access in municipal fisheries are assessed in terms of their impact on the fishery resources of Taal Lake. Local officials and fisherfolk ...
    • The status of tilapia aquaculture in Lake Sebu, South Cotabato 

      Beniga, Zosipat M. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Tilapia culture in Lake Sebu started in the early 1970's and is now considered the backbone of the economy and major driving force of the development of the Municipality of Lake Sebu. About 19% of Lake Sebu's 354 ha water ...
    • Fish culture in cages in Lake Danao, Cebu 

      Tanduyan, Serapion N.; Bontia, Ponciano C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Lake Danao is a picturesque inland body of water having an area of 685 ha located in the municipality of San Francisco in Pacijan Island, Camotes, Cebu. At the middle of the lake is a circular islet with an area of one ...
    • Managing 'sinirapan' Mistichthys luzonensis Smith in Lake Buhi, Camarines Sur: Insights from its biology and population dynamics 

      Soliman, Victor S.; Sergio, M.F. Hassan A. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      The population dynamics and related aspects of the biology of 'sinarapan' Mistichthys luzonensis Smith, the world's smallest commercial fish, are used as basis in formulating management strategies for this goby in Lake ...
    • Parasitic crustaceans in fishes from some Philippine Lakes 

      Lopez, Nellie C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Parasitic crustaceans are among the most harmful parasites of fishes. Certain species cause disease outbreaks and mortalities in aquaculture, facilities, and sometimes in natural systems, resulting in serious economic ...
    • Bathymetry and hydrobiology of Lake Mahagnao, Leyte 

      Francisco, Ruben A.; Pundavela, Menchie R.; Granali, Justerie M.; Tumabiene, Lea A.; Alpino, Julius P.; Elmido, Visitacion V. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Lake Mahagnao in Burauen, Leyte (10° 52.15' N and 124° 51.32' E) lies 26 m above sea level. It is surrounded by a mountain range that includes a dormant twin volcano. A bathymetric survey established 122 sampling stations ...
    • Zooplankton diversity in Philippine Lakes 

      Mamaril, Augustus C. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Sustainable fisheries development partly depends on the availability of adequate zooplankton as principal food items of early life history stages of economically important fish species as well as of the adults of some ...
    • Sustainable development of Philippine lake resources: An agenda for research and development 

      Guerrero, Rafael D. III (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      There are 59-70 lakes in the Philippines. With the exception of Laguna de Bay and Lake Taal, little is known about Philippine lakes although they contribute as much as 15% to the total annual fisheries production of the ...
    • Lake Lanao: Its past and present status 

      Rosagaron, Roman P. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      Geographically located in Central Mindanao, Lake Lanao is the second largest lake in the Philippines. The lake is famous locally for its various uses and internationally for its endemic cyprinids. This paper intends to ...
    • Aquaculture practices and their impact on Philippine Lakes 

      Araullo, Dennis B. (Aquaculture Department, Southeast Asian Fisheries Development Center; Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Bureau of Fisheries and Aquatic Resources, 2001)
      The rapid progress and development in the aquaculture sector during the past years has made an important contribution to the overall fish production in the Philippines. In 1996, 35.4% of the total fish production or 980,857 ...
    • The shrimp farming industry in the Philippines 

      Corre, Valeriano, Jr. (Aquaculture Department, Southeast Asian Fisheries Development Center, 1993)
      The shrimp farming industry in the Philippines is the culture of shrimp (Penaeus monodon) in brackishwater and seawater grow-out farms to marketable size. The industry is highly dependent upon the other sectors/components ...