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4 results for “eastern cottontail”
New England and eastern cottontail data for Maxent and niche overlap modeling
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Survival and density of New England cottontail and Eastern cottontail
<p><span>Habitat quality regulates fitness and population density, making it a key driver of population size. Hence, increasing habitat quality is often a primary goal of species conservation. Yet assessments of fitness and density are difficult and costly to obtain. Therefore, species conservation often uses "best available science", extending inferences across taxa, space or time, and inferring habitat quality from studies of habitat selection. However, there are scenarios where habitat selection is not reflective of habitat quality, and this can lead to maladaptive management strategies. The New England cottontail (<i>Sylvilagus transitionalis</i>) is an imperiled shrubland obligate lagomorph whose successful recovery hinges on creation of suitable habitat. Recovery of this species is also negatively impacted by the non-native eastern cottontail (<i>Sylvilagus floridanus</i>),<i> </i>which can competitively exclude New England cottontails from preferred habitat. Herein we evaluate habitat quality for adult and juvenile New England and eastern cottontails using survival and density as indicators. Our findings did not support selection following an ideal free distribution by New England cottontails. Instead selected resources, which are a target of habitat management, were associated with low survival and density and pointed to a complex tradeoff between density, survival, habitat, and the presence of eastern cottontails. Further, movement distance was inversely correlated with survival in both species, suggesting that habitat fragmentation limits the ability of cottontails to freely distribute based on habitat quality. While habitat did not directly regulate survival of juvenile cottontails, tick burden had a strong negative impact on juvenile cottontails in poor body condition. Given the complex interactions among New England cottontails, eastern cottontails, and habitat, directly assessing and accounting for factors that limit New England cottontail habitat quality in management plans is vital to their recovery. Our study demonstrates an example of management for possible ecological trap conditions via the application of incomplete knowledge.</span></p>
On following pages: 18. Omilteme Cottontail (Sylvilagus insonus); 19. Common Tapeti (Sylvilagus brasiliensis); 20 Cottontail (Sylvilagus dice); 23. Mexican Cottontail (Sylvilagus cunicularius); 24. Tres Marias Cottontail (Sylvilagus Robust Cottontail (Sylvilagus robustus); 28. Manzano Mountain Cottontail (Sylvilagus cognatus); 29. Hispid Hare (. Central American Tapeti (Sylvilagus gabbi); 21. Venezuelan Lowland Rabbit (Sylvilagus varynaensis), 22. Dice's graysoni); 25. Eastern Cottontail (Sylvilagus floridanus); 26. Appalachian Cottontail (Sylvilagus obscurus); 27. Caprolagus hispidus); 30. Bunyoro Rabbit (Poelagus marjorita); 31. European Rabbit (Oryctolagus cuniculus). in Leporidae
On following pages: 18. Omilteme Cottontail (Sylvilagus insonus); 19. Common Tapeti (Sylvilagus brasiliensis); 20 Cottontail (Sylvilagus dice); 23. Mexican Cottontail (Sylvilagus cunicularius); 24. Tres Marias Cottontail (Sylvilagus Robust Cottontail (Sylvilagus robustus); 28. Manzano Mountain Cottontail (Sylvilagus cognatus); 29. Hispid Hare (. Central American Tapeti (Sylvilagus gabbi); 21. Venezuelan Lowland Rabbit (Sylvilagus varynaensis), 22. Dice's graysoni); 25. Eastern Cottontail (Sylvilagus floridanus); 26. Appalachian Cottontail (Sylvilagus obscurus); 27. Caprolagus hispidus); 30. Bunyoro Rabbit (Poelagus marjorita); 31. European Rabbit (Oryctolagus cuniculus).
Survival and density of New England cottontail and Eastern cottontail
Open the record for dataset details and reuse information.
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