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Last modified
8/11/2009 11:32:57 AM
Creation date
8/10/2009 4:48:40 PM
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UCREFRP
UCREFRP Catalog Number
8169a
Author
Brookshire, D. S., M. McKee and G. Watts.
Title
Draft Economic Analysis of Proposed Critical Habitat Designation in the Colorado River Basin for the Razorback Sucker, Humpback Chub, Colorado Squawfish, and Bonytail.
USFW Year
1993.
USFW - Doc Type
\
Copyright Material
NO
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The economic modeling analyses involved athree-stage approach. First, aninput-output (I-O) <br />model was developed for each of the seven States in the study region: Arizona, California, <br />Colorado, Nevada, New Mexico, Utah, and Wyoming. Second, aninput-output model was <br />developed for the entire Colorado River Basin region. Third, a computable general <br />equilibrium (CGE) model was developed for the study region. This staged approach allowed <br />the team to determine State, regional and the national effects of proposed critical habitat <br />designation for the period 1989 to 2020. For each model -stage, a present and future <br />economic projection without the impacts of species listing and designating critical habitat <br />(without fish scenario) was contrasted with a present and future economic projection with the <br />designation of critical habitat (with fish scenario). A detailed discussion of the I-O and the <br />CGE modeling approaches can be found in Chapters II-7 and II-8. <br />Volume I presents the economic impacts of the proposed designation of critical habitat as <br />required by the Act. These impacts are incremental impacts over and above those associated <br />with species listing. Section 2 presents information on critical habitat in general, species <br />listing history, and proposed critical habitat designation for these four endangered fishes. <br />Section 3 discusses the physical and economic settings of the Colorado River Basin. An <br />overview of the economic modeling framework is found in Section 4. Section 5 discusses the <br />biological and economic dimensions of the study. This discussion provides the connection <br />between the biological requirements of the fishes and associated economies. The State- and <br />regional-level incremental impacts of proposed critical habitat designation are in Section 6 <br />and Section 7 presents the national economic efficiency impacts. <br />I-3 <br />
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