Title

Limnological survey of Northern Laguna de Bay with emphasis on phytoplannkton community structure.

Date of Publication

1996

Document Type

Dissertation

Degree Name

Doctor of Philosophy in Biology Major in Ecology

College

College of Science

Department/Unit

Biology

Thesis Adviser

Carandang, Dr. Jose Santos, VI

Defense Panel Member

Relon, Dr. Milagros
De Jesus, Dr. Josefina
Claveria, Dr. Florencia
Janairo, Dr. Gerardo
Ilao, Dr. Martin C.

Abstract/Summary

A monthly limnological survey of Northern Laguna de Bay, in Putatan, Muntinlupa, and Cardona, Rizal with emphasis on phytoplankton community structure was conducted from February 1995 to January 1996. All in all, 97 species of phytoplankton were identified belonging to 5 divisions, 5 classes, 12 orders, 25 families and 49 genera. Blue-green algae had the largest number of representative species with Oscillatoria, Anabaena and Microcystis as the most common. However, the green algae Pediastrum and Scenedesmus were the most abundant in terms of cell count. The correlation and stepwise regression show a strong relation (at 0.01 level of significance) between cell count and parameters such as: temperature (0.672) transparency (0.527) salinity (0.483) alkalinity (0.413) nitrate content (0.315) and silicate content (0.330). Gross primary productivity was likewise correlated (at 0.05 level of significance) with dissolved oxygen (0.285).

Abstract Format

html

Format

Print

Accession Number

TG02486

Shelf Location

Archives, The Learning Commons, 12F Henry Sy Sr. Hall

Physical Description

169 leaves

Keywords

Lake ecology.; Phytoplankton -- Research.; Biotic communities.; Limnology.; Water -- Analysis.; Freshwater biology.; Laguna de Bay.; Marine algae.

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