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River management impacts on riparian...

Petrakis, Roy E.

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River management impacts on riparian forest vegetation along the Middle Rio Grande: 1935-2014.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	River management impacts on riparian forest vegetation along the Middle Rio Grande: 1935-2014./
作者:	Petrakis, Roy E.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2015,
面頁冊數:	85 p.
附註:	Source: Masters Abstracts International, Volume: 55-03.
Contained By:	Masters Abstracts International55-03(E).
標題:	Remote sensing. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1605583
ISBN:	9781339332185

River management impacts on riparian forest vegetation along the Middle Rio Grande: 1935-2014.
Petrakis, Roy E.

River management impacts on riparian forest vegetation along the Middle Rio Grande: 1935-2014. - Ann Arbor : ProQuest Dissertations & Theses, 2015 - 85 p.

Source: Masters Abstracts International, Volume: 55-03.

Thesis (M.A.)--The University of Arizona, 2015.

Riparian ecosystems of the southwestern United States are highly valuable to both the ecological and human communities which surround them. Over the past century, they have been subject to shifting management practices to maximize human use, control, ecosystem service, and conservation. This creates a complex relationship between water policy, management, and the natural ecosystem necessitating research on spatial and temporal dynamics of riparian vegetation. The San Acacia Reach of the Middle Rio Grande, a 60 mile stretch from the San Acacia Diversion Dam to San Marcial, has experienced multiple management and river flow fluctuations over the past 80 years, resulting in threats to riparian and aquatic ecosystems. This research was completed through the use and analysis of multi-source remote sensing data, GIS, and a review of the on-the-ground management decisions to better understand how the location and composition of the riparian vegetation has been affected by these shifting practices. This research focused on four phases, each highlighting different management practices and river flow patterns during the last 80-years. Each of these periods provides a unique opportunity to observe a direct relationship between river management and riparian land cover response and change. Overall, management practices reduced surface river flows and limited overbank flooding and resulted in changes in the composition, density, and spatial patterns of the vegetation, including increased non-native vegetation growth. Restoration efforts over the past few decades have begun to reduce the presence of non-native species. Despite these changes, this ecosystem was shown to be extremely resilient in maintaining its function/service throughout the entire study time frame.

ISBN: 9781339332185Subjects--Topical Terms:

535394
Remote sensing.

River management impacts on riparian forest vegetation along the Middle Rio Grande: 1935-2014.
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