Habitat Use of Fox Squirrels in Southwestern Georgia

Perkins, Micah W.; Conner, L. Mike

doi:10.2193/0022-541x(2004)068[0509:huofsi]2.0.co;2

Cited by 50 publications

(33 citation statements)

References 8 publications

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“…Habitat types with distance ratios significantly <1 were selected, and those significantly >1 were avoided. Habitat types were ranked by performing pairwise mean comparisons using univariate t tests (Conner and Plowman 2001;Perkins and Conner 2004). We considered statistical significance for all analyses at P≤0.10.…”

Section: Discussionmentioning

confidence: 99%

“…EDA has become a commonly used method to determine coarse-scale wildlife habitat use patterns (Conner and Plowman 2001;Perkins and Conner 2004;Cox et al 2006). EDA has been described as being more robust to telemetry error than classification-based analyses, but further evaluation of the type 1 error distribution, and the effects of spatial scaling, especially at the landscape level, is needed (Conner et al 2003).…”

Section: Habitat Usementioning

confidence: 99%

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Space and habitat use of moose in southwestern Sweden

et al. 2010

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Increasingly, wildlife managers and land managers are challenged to maintain the viability of large mammal populations. Although the moose (Alces alces) is an ecologically, economically, and culturally important ungulate species found throughout most of Sweden, little is known about its ecology throughout the southern part of the country. We collected baseline ecological data on spatial and habitat use patterns in urbanized southwestern Sweden by fitting 22 adult moose (13 F, nine M) with global positioning system (GPS) radio collars. Home range size of cows did not differ among seasons (P>0.10); however, bulls had larger home ranges during fall than all other seasons (P<0.010). Mean home range size of males during fall and spring was larger than females during any season (P<0.010). We used a Euclidean distance-based approach to analyze multi-scale habitat selection by moose. Moose of both sexes and during all seasons selected boreal forest and mires when establishing a home range (P<0.10). Moose had seasonal differences in habitat selection within their home range (P0.001), and generally selected clear-cuts and early successional forests, mature coniferous forests, and glades, but avoided agricultural areas and open water. Habitat and space use characteristics of moose in our urbanizing study area were similar to characteristics reported for moose in forest-dominated landscapes of Fennoscandia.

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Section: Discussionmentioning

confidence: 99%

Section: Habitat Usementioning

confidence: 99%

Space and habitat use of moose in southwestern Sweden

et al. 2010

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“…Taking biological criteria into consideration, we defined six habitat types within the study area (Table 2) using both aerial photographs and ground surveys, and then each habitat patch was digitized using Arcview 3.2. Habitat types covariates for each trapping location were measured using a Euclidean distance-based approach (Perkins and Conner 2004;Benson and Chamberlain 2007). We calculated distances from camera traps to each habitat type by using X-Tools and Geoprocessing extensions in Arcview 3.2.…”

Section: Carnivore Occupancymentioning

confidence: 99%

Modeling the occupancy of sympatric carnivorans in a Mediterranean ecosystem

Sarmento

Cruz²,

Eira

et al. 2010

Eur J Wildl Res

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Site occupancy provides a reasonable estimate of population status and trends, and it also provides an unbiased, cost-effective alternative method for large-scale, multispecies monitoring programs. In this study, we used camera-trapping data to determine carnivoran occupancy and associated environmental factors in Serra da Malcata Nature Reserve, Portugal. The study was intended as a precursor of further long-term multispecies monitoring programs. We estimated carnivoran species occupancy using a likelihood-based method, using the software PRESENCE. The major conclusions of the study were (1) fox occupancy tends to be independent of environmental factors; (2) stone marten occupancy is related with habitat variables, landscape structure, and preys; (3) common genet occupancy is related to broad leaf formations and preys; and (4) mongoose occupancy is higher in extensive areas of shrub habitats. Methodologically, we demonstrated the importance of modeling detection probabilities for species with low or variable detection rates. In the future, monitoring programs could benefit from incorporating estimates of detection probabilities into their design and analysis.

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“…We preferred this method because two of our habitat types (food plots and road grades) were essentially linear features; this precluded the use of methods that require area-based estimates of habitat availability (e.g., compositional analysis; Aebischer et al 1993). The distancebased approach compares observed distances from radiolocations to a given habitat type with the expected distance to that habitat type in order to test the hypothesis that habitat types are used in proportion to their availabilities (Conner et al 2003(Conner et al , 2005Perkins and Conner 2004). When compared to classification-based methods, inferences based on the distance-based analysis are more robust with respect to habitat misclassifications (Bingham and Brennan 2004).…”

Section: Habitat Selectionmentioning

confidence: 99%

Patterns of space and habitat use by northern bobwhites in South Florida, USA

et al. 2010

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The manner by which animals use space and select resources can have important management consequences. We studied patterns of habitat selection by northern bobwhites (Colinus virginianus) on Babcock-Webb Wildlife Management Area, Charlotte County, Florida and evaluated factors influencing the sizes of their home ranges. A total of 1,245 radio-tagged bobwhites were monitored for 19,467 radio days during 2002-2007. The mean (±1 SE) annual home range size, estimated using the Kernel density method, was 88.43 (±6.16) ha and did not differ between genders. Winter home ranges of bobwhites (69.27±4.92 ha) were generally larger than summer home ranges (53.90±4.93 ha). Annual and winter home ranges were smaller for bobwhites whose ranges contained food plots compared to those that did not; however, the presence of food plots did not influence summer home ranges. We used distance-based methods to investigate habitat selection by bobwhites at two scales: selection of home ranges within the study site (second-order selection) and selection of habitats within home ranges (third-order selection). Across both scales, bobwhites generally preferred food plots and dry prairie habitat and avoided wet prairies and roads. This pattern was generally consistent between genders and across years. Our data indicate that management practices aimed at increasing and maintaining a matrix of food plots and dry prairie habitat would provide the most favorable environment for bobwhites.

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Habitat Use of Fox Squirrels in Southwestern Georgia

Cited by 50 publications

References 8 publications

Space and habitat use of moose in southwestern Sweden

Space and habitat use of moose in southwestern Sweden

Modeling the occupancy of sympatric carnivorans in a Mediterranean ecosystem

Patterns of space and habitat use by northern bobwhites in South Florida, USA

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