Modelling habitat overlap among sympatric mesocarnivores in southern Illinois, USA

McDonald, P.T.; Nielsen, Clayton K.; Oyana, Tonny J.; Sun, Wanxiao

doi:10.1016/j.ecolmodel.2008.03.021

Cited by 30 publications

(30 citation statements)

References 39 publications

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“…For comparison, road density in densily populated regions of USA and Europe range between 1.10 and 3.50 km/km 2 (e.g. 1.10 km/km 2 in Northern Great Lakes (USA), 1.50 km/km 2 in southern Illinois (USA), 3.37 km/km 2 in Netherlands and 3.50 km/ km 2 in northern Wisconsin (USA); Saunders et al, 2002;Lin, 2006;McDonald et al, 2008). Thus, besides the instant impact of roads when they are constructed inside or near forests, roads threaten forests when land uses do not directly impact forest dynamics, even after many decades.…”

Section: Discussionmentioning

confidence: 99%

Effects of roads, topography, and land use on forest cover dynamics in the Brazilian Atlantic Forest

Freitas

Hawbaker

Metzger

2010

Forest Ecology and Management

192

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Section: Discussionmentioning

confidence: 99%

Effects of roads, topography, and land use on forest cover dynamics in the Brazilian Atlantic Forest

Freitas

Hawbaker

Metzger

2010

Forest Ecology and Management

192

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“…These included the total area of the landscape, patch density, landscape shape index, mean patch area distribution, mean perimeter-to-area ratio, percentage of like adjacencies, mean patch shape index, mean related circumscribing circle distribution, mean fractal dimension index distribution, mean contiguity index, mean core area distribution, the disjunct core area density, the aggregation index, and the effective mesh size. Because each site was considered the same cover type, we did not calculate class-level metrics for early-successional cover, as in other studies considering multiple cover types (Kolowski and Nielsen 2008;McDonald et al 2008;Nielsen and Woolf 2002). We used a geographic information system to calculate the edge-to-edge distance from each study site to the closest BLH patch within size categories of 100 ha and 20-100 ha.…”

Section: Methodsmentioning

confidence: 99%

Occupancy, detection, and habitat associations of sympatric lagomorphs in early-successional bottomland forests

et al. 2011

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The status of early-successional habitats and wildlife species associated with them recently has become a concern in the eastern United States. Although federal farm programs have the potential to create earlysuccessional habitats for wildlife, relatively few studies have assessed wildlife response to these land use changes. During 2006-2007 we studied habitat factors associated with occupancy and detection of 2 species of lagomorphs, swamp rabbit (Sylvilagus aquaticus) and eastern cottontail (Sylvilagus floridanus), in agricultural lands recently afforested via federal farm programs in southern Illinois. Lagomorphs were live captured, and habitat variables were measured at 27 bottomland sites. Detection probabilities of eastern cottontails and swamp rabbits were 0.44 (SE 5 0.05) and 0.12 (SE 5 0.03), respectively. Canopy closure (w + (i) . 0.94) had the most influence on detection probability for both eastern cottontails and swamp rabbits. Detection probability decreased with increasing canopy closure for eastern cottontails but increased with increasing canopy closure for swamp rabbits. Eastern cottontails and swamp rabbits were estimated to occupy 80% and 71% of sites, respectively. Little support was found for habitat variables influencing site occupancy by eastern cottontails. Distance to a semipermanently flooded or intermittently exposed wetland had the most influence (w + (i) 5 0.54) on the probability of site occupancy by swamp rabbits. Our study provides novel information regarding use of early-successional habitats by eastern cottontails and swamp rabbits and unique insight into how habitat structure and landscape configuration affect these 2 lagomorphs.

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“…Relative to coyotes, red foxes tend to occupy more human‐disturbed areas (e.g. near farms and roads) (Gosselink et al , McDonald et al ). This is likely to avoid coyotes, rather than a preference for human‐frequented areas (Sargeant et al , , Gosselink et al ).…”

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confidence: 99%

Relating mesocarnivore relative abundance to anthropogenic land‐use with a hierarchical spatial count model

et al. 2015

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There is growing need to develop models of spatial patterns in animal abundance, yet comparatively few examples of such models exist. This is especially true in situations where the abundance of one species may inhibit that of another, such as the intensively‐farmed landscape of the Prairie Pothole Region (PPR) of the central United States, where waterfowl production is largely constrained by mesocarnivore nest predation. We used a hierarchical Bayesian approach to relate the distribution of various land‐cover types to the relative abundances of four mesocarnivores in the PPR: coyote Canis latrans, raccoon Procyon lotor, red fox Vulpes vulpes, and striped skunk Mephitis mephitis. We developed models for each species at multiple spatial resolutions (41.4 km2, 10.4 km2, and 2.6 km2) to address different ecological and management‐related questions. Model results for each species were similar irrespective of resolution. We found that the amount of row‐crop agriculture was nearly ubiquitous in our best models, exhibiting a positive relationship with relative abundance for each species. The amount of native grassland land‐cover was positively associated with coyote and raccoon relative abundance, but generally absent from models for red fox and skunk. Red fox and skunk were positively associated with each other, suggesting potential niche overlap. We found no evidence that coyote abundance limited that of other mesocarnivore species, as might be expected under a hypothesis of mesopredator release. The relationships between relative abundance and land‐cover types were similar across spatial resolutions. Our results indicated that mesocarnivores in the PPR are most likely to occur in portions of the landscape with large amounts of agricultural land‐cover. Further, our results indicated that track‐survey data can be used in a hierarchical framework to gain inferences regarding spatial patterns in animal relative abundance.

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Modelling habitat overlap among sympatric mesocarnivores in southern Illinois, USA

Cited by 30 publications

References 39 publications

Effects of roads, topography, and land use on forest cover dynamics in the Brazilian Atlantic Forest

Effects of roads, topography, and land use on forest cover dynamics in the Brazilian Atlantic Forest

Occupancy, detection, and habitat associations of sympatric lagomorphs in early-successional bottomland forests

Relating mesocarnivore relative abundance to anthropogenic land‐use with a hierarchical spatial count model

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