Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"River Pollution"”.
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Factors affecting the growth of Cladophora in relation to river pollution
Nuisance growths of Cladophora have been associated with eutrophication. A review of the literature, however, reveals a scarcity of relevant experimental growth studies. Sampling experimental streams reveals that the addition of sewage effluent to good quality water alters the flora from that …
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Essays on Industrial Pollution, Regulation, and Health
… dissertation examines the effects of industrial pollution and environmental regulation on health outcomes and health-improving behaviors. It draws on quasi-experimental variation from two distinct settings to evaluate the consequences of pollution exposure and the potential for regulatory …
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The perceptions of Thailand's environment by international tourists
… and good shopping. 2.Respondents regarded water pollution, lack of fresh water and lack of rubbish disposal as problems in beach resorts. 3.Respondents found deforestation and river pollution evident in Northern Thailand. Moreover, they found that their trip to Northern Thailand was not the …
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The presence, diet and relative abundance of otters (Carnivora: Mustelidae) in Northern Namibia
… human and otter conflict, invasive species, river pollution as well as widespread continent-wide decrease in river water quality. The collection and use of faecal samples and camera trapping have become an important non-invasive source of information, especially when dealing with elusive …
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Perfluorooctanoic Acid (PFOA) and Perfluorooctane Sulfonate (PFOS) in an Aquatic Ecosystem - Distribution and Fate
… The presented study was mainly focused on the river Roter Main, Bayreuth, Germany, and gives a good picture of the behaviour of PFOA and PFOS in such an aquatic ecosystem. In order to achieve the main goal, suitable analytical procedures for reliable quantification of trace amounts of the …
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Umweltgeochemische Charakterisierung der niedermolekularen organischen Fracht des Flußsystems Lippe
Rivers are a sensitive and complex ecosystem hosting a diverse spectrum of organisms. Human activities have resulted in increasing river pollution due to input of organic contaminants into the river systems (anthropogenic input). The main emphasis of the present study is a comprehensive examination …
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The effect of treated wastewater effluent on the water quality of the Natalspruit river
… on the water quality of the Natalspruit river. For a closer examination of downstream effect on river water quality, this study focused on three wastewater treatment plants (herein referred to as Plant A, B, and C) that discharge effluent into the Natalspruit river. Historical data for a …