Vegetational analysis in the lahar devastated area of Barangay Mancatian, Porac, Pampanga

Date of Publication

1998

Document Type

Bachelor's Thesis

Degree Name

Bachelor of Science in Biology

College

College of Science

Department/Unit

Biology

Abstract/Summary

A vegetational analysis was conducted in the lahar devastated town of Barangay Mancatian in Porac Pampanga to determine existing vegetation. Two sets of collections were done. The size of the plots for the first and second collection were 1 x 1 m. and 0.5 x 1 m. (determined through the Species Area Curve), respectively. The first collection had 19 species while the second collection had 10 species. Among the species collected during the two samplings were Brachiaria mutica, Bulbostylis barbata and Saccharum spontaneum which emerged as the dominant species. Physical parameters for light intensity, wind velocity, relative humidity, air and soil temperature were determined. The average of three readings for each parameter was obtained during the three sampling periods and was found to be 30.78 mph for wind velocity, 32.06 centigrade for air temperature, 34.78 centigrade for ash-soil temperature, 75.70% relative humidity and 32.61 fc. for light intensity. Ash-soil texture on the average was generally coarse, while moisture content was 13%. Obtained values for pH (6.12), Organic matter (Trace), Phosphorus (2.4), Potassium (62.4) and Nitrogen (Trace) were all analyzed at the Bureau of Soil and Water Management.

Abstract Format

html

Language

English

Format

Print

Accession Number

TU08411

Shelf Location

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

Physical Description

60 leaves ; Computer print-out.

Keywords

Vegetation boundaries; Plant communities; Soils--Analysis; Lahars; Soils--Composition

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