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Seascape Ecology of Reef Fish at Buck Island Reef National Monument, St.Croix, U.S. Virgin Islands

By Kendall, Matthew S.

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Book Id: WPLBN0000576626
Format Type: PDF eBook
File Size: 7.63 KB.
Reproduction Date: 2005
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Title: Seascape Ecology of Reef Fish at Buck Island Reef National Monument, St.Croix, U.S. Virgin Islands  
Author: Kendall, Matthew S.
Volume:
Language: English
Subject: Science., Ecology & environment, National Oceanic and Atmospheric Administration (U.S.)
Collections: National Oceanographic Data Center
Historic
Publication Date:
Publisher: Government Reference Publication

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Kendall, M. S. (n.d.). Seascape Ecology of Reef Fish at Buck Island Reef National Monument, St.Croix, U.S. Virgin Islands. Retrieved from http://members.worldlibrary.net/


Excerpt
Excerpt: Visual surveys were used to assess habitat utilization patterns of reef fish at Buck Island Reef National Monument, US Virgin Islands. Beginning in 2001, two field missions per year have resulted in 461 surveys conducted over multiple bottom types around the Monument. Survey locations were selected using a random stratified approach with strata including bottom type (hard bottom vs. soft bottom) and, beginning in 2003, position relative to Monument boundaries (inside vs. outside). Descriptive statistics of the reef fish inventory by hard and soft bottom strata are provided. In addition, a novel approach for examining landscape scale influences on fish assemblages is presented. To illustrate the technique, species richness and diversity at fish survey sites were evaluated for correlations with landscape-scale parameters using regression and correlation. These habitat/seascape parameters included area of sea grass around reef sites and area of reefs around sand sites. These parameters were measured around each survey site using benthic maps. Best scales of correlation between the fish community and seascape patterns were identified by systematically varying the amount of the landscape adjacent to each survey site which was included in the analysis from 25, 50, 100, 200, 400, and 800m radii respectively. The maximum correlation of fish diversity at reef sites with area of sea grass was at the 400m analysis scale.

 

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