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Impact of Land Use Practices on Fish...

Fiedler, Farron, Jr.

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Impact of Land Use Practices on Fisheries Ecology of Two Rivers in North Central Texas.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Impact of Land Use Practices on Fisheries Ecology of Two Rivers in North Central Texas./
作者:	Fiedler, Farron, Jr.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
面頁冊數:	38 p.
附註:	Source: Masters Abstracts International, Volume: 81-03.
Contained By:	Masters Abstracts International81-03.
標題:	Environmental science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13905091
ISBN:	9781085704557

Impact of Land Use Practices on Fisheries Ecology of Two Rivers in North Central Texas.
Fiedler, Farron, Jr.

Impact of Land Use Practices on Fisheries Ecology of Two Rivers in North Central Texas. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 38 p.

Source: Masters Abstracts International, Volume: 81-03.

Thesis (M.S.)--Tarleton State University, 2019.

This item must not be sold to any third party vendors.

Land use, habitat quality index (HQI), fish index of biotic integrity (IBI), and water quality measures were made at four equidistant sites along each of two rivers in North Central Texas. The major land use and chemistry differences in the North Bosque River (NBR) and Paluxy River (PR) were concentrated animal feeding operations (CAFO) and permitted cows, orthophosphate (OP) levels, and algal growth. The NBR has numerous CAFOs and two wastewater treatment plants (WWTPs), mainly concentrated within the upper reach of the river. The PR has only four CAFOs and no WWTP, within the study area. Despite the environmental impacts to the NBR, habitat quality indices on both rivers were similar except for algal abundance. Fish IBI measures indicated presence of intolerant fish species and benthic invertivores (darters) at all sites on the PR, while no intolerant species or benthic invertivores (darters) were found at any NBR sites. The percentage of piscivore fish was greater in the PR than in the NBR. However, the percentage of total fish that were piscivores in the NBR increased with the distance from the area of concentrated nonpoint source pollution. The PR had greater biodiversity and more natural OP levels when compared to the NBR. The PR lowest reach had only 0.0011 mg/L OP compared to 0.2607 mg/L OP in the NBR upper most reach. Fish species located in PR but, are absent from NBR are sensitive to dissolved oxygen and nutrient levels. Environmental factors which may have caused the sensitive species to be extirpated from NBR are assumed to be due to land use differences.

ISBN: 9781085704557Subjects--Topical Terms:

677245
Environmental science.
Subjects--Index Terms:

Concentrated animal feeding operations

Impact of Land Use Practices on Fisheries Ecology of Two Rivers in North Central Texas.
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