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Bathymetry and hydrobiology of Lake Mahagnao, Leyte

dc.contributor.authorFrancisco, Ruben A.
dc.contributor.authorPundavela, Menchie R.
dc.contributor.authorGranali, Justerie M.
dc.contributor.authorTumabiene, Lea A.
dc.contributor.authorAlpino, Julius P.
dc.contributor.authorElmido, Visitacion V.
dc.date.accessioned2012-01-19T11:05:02Z
dc.date.available2012-01-19T11:05:02Z
dc.date.issued2001
dc.identifier.citationFrancisco, R. A., Pundavela, M. R., Granali, J. M., Tumabiene, L. A., Alpino, J. P., & Elmido, V. V. (2001). Bathymetry and hydrobiology of Lake Mahagnao, Leyte. In C. B. Santiago, M. L. Cuvin-Aralar, & Z. U. Basiao (Eds.), Conservation and Ecological Management of Philippine Lakes in Relation to Fisheries and Aquaculture (pp. 41-47). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center; Los Baños, Laguna, Philippines: Philippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technology; Quezon City, Philippines: Bureau of Fisheries and Aquatic Resources (BFAR), Department of Agriculture, Quezon City, Philippines.en
dc.identifier.isbn9718511539
dc.identifier.urihttp://hdl.handle.net/10862/823
dc.description.abstractLake 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 using Global Positioning System. The stations formed transect lines across the lake. A bathymetric map of Lake Mahagnao was generated with the use of the SURFER software. Lake Mahagnao has a shoreline of 15,590 m and surface area of 15.75 ha. The deepest portion of the lake is 18.75 m. The mean pH of the water is 6.58; water surface temperature, 27oC; and water visibility, 1.64 m. Eighty-one species were identified as primary producers. Station 5, the deepest portion of the lake, had the highest phytoplankton density at 4,716 cells/ml and Station 2 had only 634 cells/ml. Cyanobacteria were the most abundant in all the sampling stations.en
dc.language.isoenen
dc.publisherAquaculture Department, Southeast Asian Fisheries Development Centeren
dc.publisherPhilippine Council for Aquatic and Marine Research and Development (PCAMRD), Department of Science and Technologyen
dc.publisherBureau of Fisheries and Aquatic Resourcesen
dc.subjectPhilippines, Leyte I., Mahagnao L.en
dc.titleBathymetry and hydrobiology of Lake Mahagnao, Leyteen
dc.typeConference paperen
dc.citation.spage41
dc.citation.epage47
dc.citation.conferenceTitleConservation and Ecological Management of Philippine Lakes in Relation to Fisheries and Aquaculture: Proceedings of the National Seminar-Workshop held on October 21-23, 1997, INNOTECH, Commonwealth Ave., Diliman, Quezon City, Philippinesen
dc.subject.asfabathymetric profilesen
dc.subject.asfabathymetric surveysen
dc.subject.asfaecologyen
dc.subject.asfaeutrophicationen
dc.subject.asfafreshwater lakesen
dc.subject.asfahydrobiologyen
dc.subject.asfaphytoplanktonen
dc.subject.asfaplankton surveysen
dc.subject.asfawater depthen


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