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Home Response of barrier island fish assemblages to impacts from multiple hurricanes: assessing...

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Response of barrier island fish assemblages to impacts from multiple hurricanes: assessing resilience of Chandeleur Island fish assemblages to hurricanes Ivan (2004) and Katrina (2005)

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Contact Information	Please send any questions regarding this item to libref@uno.edu
Title	Response of barrier island fish assemblages to impacts from multiple hurricanes: assessing resilience of Chandeleur Island fish assemblages to hurricanes Ivan (2004) and Katrina (2005)
Author	Ellinwood, Mark Chad
Document Type	Master's Thesis
Keywords	fish assemblage, hurricane impact, disturbance, intermediate disturbance hypothesis, barrier island, tidal channel, Chandeleur Islands, Gulf of Mexico
Abstract	Hurricanes can temporarily disrupt seasonal patterns of fish assemblage change or result in permanent changes in fish assemblages. I studied the effects of two hurricanes on fish assemblages at the Chandeleur Islands and the possible influence that storm-generated tidal channels may have on the composition of local fish assemblages. I also compared recently collected data to historic ichthyofaunal survey data collected over thirty years ago at the Chandeleur Islands. Near shore fish assemblages changed the most after hurricanes but changes in species composition were primarily due to increases in abundance and diversity. During July 2007 there was no significant difference between fish assemblages in channel and seagrass habitats, although significant differences among wash-over channels existed. Loss of habitat and the increased intensity and frequency of recent storms may explain why current fish assemblages at the Chandeleur Islands are less diverse (as measured by taxonomic distinctness) than assemblages collected during 1969-1971.
Access	Unrestricted
Degree	M.S.
Degree Program	Geology
Department	Dept. of Earth and Environmental Sciences
Major Professor	O'Connell, Martin
Advisory Committee	Peterson, Mark S.; Georgiou, Ioannis
Date Degree Awarded	2008-12-19; *
Format	PDF
URL	See 'reference url' on top or bottom navigation bars.
Rights	The University of New Orleans and its agents retain the non-exclusive license to archive and make accessible this dissertation or thesis in whole or in part in all forms of media, now or hereafter known. The author retains all other ownership rights to the copyright of the thesis or dissertation.
Catalog Date	2009-01-10; *
Object File Name	nd000773
Viewer Information	Adobe Reader required for viewing (http://www.adobe.com/products/acrobat/readermain.html)
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Home Response of barrier island fish assemblages to impacts from multiple hurricanes: assessing...

Response of barrier island fish assemblages to impacts from multiple hurricanes: assessing resilience of Chandeleur Island fish assemblages to hurricanes Ivan (2004) and Katrina (2005)

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