Land Use Practices Near Tributary Rivers and Their Influence on Duckweed (Lemna obscura) Bloom in the Southern Part of Lake Maracaibo, Venezuela: Sustainable Solutions to Address the Issue

Date of Award

8-10-2010

Document Type

Undergraduate Capstone Project

Degree Name

Master of Applied Science

Organizational Unit

University College, Environmental Policy and Management

Disciplines

Environmental Policy & Mgmt

First Advisor

Kathy Flanagan

Keywords

Bloom, Duckweed, Lake Maracaibo, Land use practices, Lemna obscura, Rivers, Sustainable solutions

Abstract

This study examined the relationship between land-use practices near tributary rivers in South Lake Maracaibo and the appearance of duckweed (Lemna obscura) in the lake. Four rivers were studied: The Mucujepe, Capaz, Guamo and Frio. Eight factors were assessed: rivers, sediments, erosion, soils, fertilizers, water quality, land use activities and vegetation corridors. Satellite images, official cartography, field visits and observations, water samples and personal communication with organizations involved were held to get an accurate and current assessment of the conditions. The study revealed the land-use practices surrounding the Pan-American Zone Rivers contribute to the duckweed blooming in Lake Maracaibo.

Publication Statement

Copyright is held by the author. Permanently suppressed.

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