Master of Science (MS)
First Advisor's Name
First Advisor's Committee Title
Second Advisor's Name
Second Advisor's Committee Title
Third Advisor's Name
Third Advisor's Committee Title
Florida Grasshopper Sparrow, Coccidia, Infectious Disease, Conservation Biology
Date of Defense
A novel and potentially fatal isosporoid parasite was discovered within a captive population of Florida Grasshopper Sparrows, kept at the Rare Species Conservatory in Loxahatchee, Florida. The purpose of this thesis was to (1) to ascertain the prevalence of the Isospora sp. in the captive population of FGSPs; (2) to show that the pathogen can cause both morbidity and mortality in the FGSP; (3) to use population modeling as a management tool to show the potential effects of the disease on the wild population; and (4) recommend mitigation and management strategies informed by our research. Overall, histopathology and necropsy reports reveal the Isospora sp. has the ability to cause and/or contribute to morbidity and mortality in FGSP. Projection models demonstrate any level of impact of Isospora sp. would have severe negative impacts on the estimated growth rate of the wild population. This study considers Isospora sp. to be a pathogen of significance and recommends that the organism should be considered in all current and future management approaches for the recovery of the FGSP.
Morris, Matthew S., "Uncharacterized Isosporoid Parasite in the Florida Grasshopper Sparrow (Ammodramus savannarum floridanus)" (2021). FIU Electronic Theses and Dissertations. 4823.
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