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Home Sources of Nest Failure in Mississippi Sandhill Cranes, Grus canadensis pulla: Nest Survival...

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Sources of Nest Failure in Mississippi Sandhill Cranes, Grus canadensis pulla: Nest Survival Modeling and Predator Occupancy

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Contact Information	Please send any questions regarding this item to libref@uno.edu
Title	Sources of Nest Failure in Mississippi Sandhill Cranes, Grus canadensis pulla: Nest Survival Modeling and Predator Occupancy
Author	Butler, Rose
Document Type	Master's Thesis
Keywords	Mississippi Sandhill Crane, nest failure, daily survival rate, mammalian predator, camera
Abstract	Low recruitment is the largest challenge facing the recovery of the critically endangered Mississippi Sandhill Crane (Grus canadensis pulla). Lack of information on sources of nest failure hinders effective management to increase recruitment. I examined sources of nest failure for 54 nests at the Mississippi Sandhill Crane National Wildlife Refuge, 2008-2009. Nest cameras identified predation as the primary source of failure, followed by flooding, abandonment, and egg inviability. Mean daily survival rate (DSR) was 0.72. The best approximating models included covariates for season date, temperature and nest age. DSR decreased with increasing season date, increasing nest age, and decreasing temperature. Hypotheses related to effects of renesting, human disturbance, precipitation, flooding, and winter rain were not supported. Because predation has been identified as a primary source of nest failure, I also monitored mammalian predators on the MSCNWR. Coyotes and raccoons were most common, with gray foxes, red foxes, domestic dogs, and bobcats also detected frequently.
Access	Unrestricted
Degree	M.S.
Degree Program	Biological Sciences
Department	Dept. of Biological Sciences
Major Professor	Howard, Jerome J.
Advisory Committee	Lailvaux, Simon; Billodeaux, Lauren
Date Degree Awarded	2009-12-20
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	2010-01-02
Object File Name	2009_MS_Butler_Rose
Viewer Information	Adobe Reader required for viewing (http://www.adobe.com/products/acrobat/readermain.html)
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