"Heavy metals and nutrient contents of some selected biota in Montalban River at Brgy. San Jose and Brgy. Balite"
Date
6-2001
Degree
Bachelor of Science in Chemistry
College
College of Arts and Sciences (CAS)
Adviser/Committee Chair
Maxima E. Flavier
Co-adviser
Evelyn B. Rodriguez
Committee Member
Nerlissa P Concibido
Abstract
The heavy metals, total nitrogen and total phosphorus of some selected biota in Montalban river were determined to evaluate the extent of pollution load contributed by the human activities around the areas of Brgy. Balite and Brgy. San Jose. Samples of tilapia (Tilapia mosambicus), snail (Helix aspersa) and plants such as water lily (Eichhomia crassipes) and kangkong (Ipomoea aquatica) were obtained from the river while cogon (1mperala cylindrica), bakiskisan (Eleusine indica), and dukayang (Echinochloa colonum) were obtained from the riverbank. Among the biota, the highest percentage total nitrogen was obtained in the edible portions of tilapia while the lowest value was measured from cogon-1 gathered near the riverbank of Brgy. Balite. On the other hand, the highest value of total phosphorus was obtained from the inedible portions of tilapia while the lowest value was measured from cogon-2 gathered some distance away from the riverbank. The inedible portions of snail gave the highest concentration for the three metals: zinc, cadmium, and lead while copper is accumulated more in the edible portion of snail. On the other hand, the inedible portions of tilapia gave the lowest concentration of cadmium while zinc, copper, and lead were found to be lowest in cogon obtained a distance away from the riverbank. Results showed that zinc is the highly accumulated heavy metal among the other metals. The order of metal concentration in all samples were found to be Zn>Cu>Pb>Cd.
Language
English
Location
UPLB Main Library Special Collections Section (USCS)
Call Number
LG 993.5 2001 C4 L53
Recommended Citation
Llagas, Efrelynd U., ""Heavy metals and nutrient contents of some selected biota in Montalban River at Brgy. San Jose and Brgy. Balite"" (2001). Undergraduate Theses. 12581.
https://www.ukdr.uplb.edu.ph/etd-undergrad/12581
Document Type
Thesis