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Ecological Value of Wetland Restoration.

Benson, Catherine E.

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Ecological Value of Wetland Restoration.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Ecological Value of Wetland Restoration./
作者:	Benson, Catherine E.
面頁冊數:	102 p.
附註:	Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.
Contained By:	Dissertation Abstracts International74-10B(E).
標題:	Ecology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3568446
ISBN:	9781303229435

Ecological Value of Wetland Restoration.
Benson, Catherine E.

Ecological Value of Wetland Restoration. - 102 p.

Source: Dissertation Abstracts International, Volume: 74-10(E), Section: B.

Thesis (Ph.D.)--Clarkson University, 2013.

This item is not available from ProQuest Dissertations & Theses.

Wetland restoration and creation are commonly used as conservation tools by government agencies and non-profit organizations to compensate for losses of wetland habitats. Despite the widespread use of these practices, post-construction monitoring of project sites is not frequently completed. Therefore, little is known regarding whether restored and created wetlands achieve functional equivalency with the natural wetlands that they are intended to replace. The overarching goal of this dissertation was to examine the success of restored and created wetlands at providing habitat for wetland-dependent species. In Chapter I, common assemblage metrics (e.g., richness, abundance) were compared between 14 wetland restorations and paired natural reference wetlands in Northern New York. Results indicated that anuran, bird, snake, fish, and emergent and upland plant assemblage metrics did not differ between wetland types. However, turtle richness and abundance, and the richness and diversity of aquatic plants, was higher at natural reference wetlands. In Chapter II, a systematic review of literature was conducted to identify studies that have quantified amphibian and bird assemblage response to restoration and creation projects. Meta-analysis was then used to synthesize amphibian and bird assemblage metrics reported among studies. Models indicated no difference between amphibian richness, bird richness, bird diversity, or the richness of wetland-dependent birds at restored versus reference wetlands. Similarly, amphibian and bird richness, as well as bird diversity, did not differ between created versus reference wetlands. However, the richness of wetland-dependent birds was significantly lower at created wetlands. In Chapter III, exploratory general linear modeling was used to examine restoration and landscape attributes influencing the anuran, bird, and plant assemblage metrics at 29 restorations. Results indicated that anuran assemblage metrics were positively associated with increased complexity of the water's edge and ratio of open water to emergent vegetation. Bird richness was positively associated with an increase in the proportion of forest, grassland, wetlands within 100 m of the wetland edge. However, an increase in the dominance of the assemblage by wetland-dependent birds was best explained by a decrease in the coverage of crops within 500 m. Virtually none of the variables predicted any aspect of the wetland plant assemblage.

ISBN: 9781303229435Subjects--Topical Terms:

516476
Ecology.

Ecological Value of Wetland Restoration.
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520 $a Wetland restoration and creation are commonly used as conservation tools by government agencies and non-profit organizations to compensate for losses of wetland habitats. Despite the widespread use of these practices, post-construction monitoring of project sites is not frequently completed. Therefore, little is known regarding whether restored and created wetlands achieve functional equivalency with the natural wetlands that they are intended to replace. The overarching goal of this dissertation was to examine the success of restored and created wetlands at providing habitat for wetland-dependent species. In Chapter I, common assemblage metrics (e.g., richness, abundance) were compared between 14 wetland restorations and paired natural reference wetlands in Northern New York. Results indicated that anuran, bird, snake, fish, and emergent and upland plant assemblage metrics did not differ between wetland types. However, turtle richness and abundance, and the richness and diversity of aquatic plants, was higher at natural reference wetlands. In Chapter II, a systematic review of literature was conducted to identify studies that have quantified amphibian and bird assemblage response to restoration and creation projects. Meta-analysis was then used to synthesize amphibian and bird assemblage metrics reported among studies. Models indicated no difference between amphibian richness, bird richness, bird diversity, or the richness of wetland-dependent birds at restored versus reference wetlands. Similarly, amphibian and bird richness, as well as bird diversity, did not differ between created versus reference wetlands. However, the richness of wetland-dependent birds was significantly lower at created wetlands. In Chapter III, exploratory general linear modeling was used to examine restoration and landscape attributes influencing the anuran, bird, and plant assemblage metrics at 29 restorations. Results indicated that anuran assemblage metrics were positively associated with increased complexity of the water's edge and ratio of open water to emergent vegetation. Bird richness was positively associated with an increase in the proportion of forest, grassland, wetlands within 100 m of the wetland edge. However, an increase in the dominance of the assemblage by wetland-dependent birds was best explained by a decrease in the coverage of crops within 500 m. Virtually none of the variables predicted any aspect of the wetland plant assemblage.
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