Forest land-use history affects outcomes of habitat augmentation for amphibian conservation

Goldspiel, Harrison; Cohen, Jonathan B.; McGee, Gregory G.; Gibbs, James P.

doi:10.1016/j.gecco.2019.e00686

Cited by 13 publications

(17 citation statements)

References 51 publications

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“…Analyses of faunal responses to ecological restoration are accumulating rapidly and increasingly include responses to created habitat (Andrews et al ; Goldspiel et al ), often utilizing a chronosequence approach (van Noordwijck et al ; Fernandes et al ), including the Nachusa Grasslands chronosequence (Wodika & Baer ; Griffin et al ; Barber et al 2017 a ). We present several lines of evidence to suggest that snakes have responded positively to created habitat at Nachusa Grasslands.…”

Section: Discussionmentioning

confidence: 99%

“…Within each year, data were pooled into monthly samples and naïve occupancy was scored as 0 (not detected) or 1 (detected) for each species in each restoration unit. To maximize our ability to detect effects of time since restoration on occupancy, we used single‐season occupancy modeling (MacKenzie et al , ) by stacking data from all years and including year as a potential effect on detection and occupancy (Jordan et al ; Goldspiel et al ). We fit models using a maximum likelihood implementation within the unmarked R package (Fiske & Chandler ).…”

Section: Methodsmentioning

confidence: 99%

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Responses of grassland snakes to tallgrass prairie restoration

King

Vanek

2020

Restoration Ecology

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Understanding faunal responses to habitat restoration is important in assessing restoration success. We investigated occupancy and abundance of snakes at Nachusa Grasslands, a large-scale grassland restoration in the midwestern United States. Using artificial cover objects, we sampled within a chronosequence of 12 units converted from row-crop agriculture 2-25 years before the start of our study. Recaptures of marked snakes revealed that movement distances differed among species in accordance with differences in body size, being least in Dekay's Brownsnakes, intermediate in the Plains Gartersnakes and Common Gartersnakes, and greatest in Eastern Foxsnakes. Consistent with this result, occupancy increased with restoration age in Dekay's Brownsnakes but was unrelated to restoration age in the three larger, more mobile species. Similarly, abundance increased with restoration age in Dekay's Brownsnake but was unrelated to restoration age in other species. The Smooth Greensnake, another small-bodied snake with limited mobility, and an Illinois species of greatest conservation need, was not detected at Nachusa Grasslands. Given detection probabilities observed during a parallel study at a nearby large grassland-dominated preserve, we infer that the Smooth Greensnake is truly absent from Nachusa Grasslands. Taken together, our results demonstrate that establishment of faunal components following restoration may be time-dependent with more sedentary species colonizing only slowly (e.g. Dekay's Brownsnakes) or not at all (e.g. Smooth Greensnakes). These results emphasize the need to clearly identify faunal restoration goals and the means to achieve them. Implications for Practice• As higher order predators within grassland ecosystems, snakes provide a meaningful faunal component by which to measure restoration success.• Larger, more mobile snake species are able to occupy grassland restorations soon after conversion from rowcrop agriculture but occupancy by smaller, less mobile species may occur more slowly if at all.• Some grassland snakes may require active management to promote establishment following restoration.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Responses of grassland snakes to tallgrass prairie restoration

King

Vanek

2020

Restoration Ecology

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“…point-year combination to be a distinct site (i.e. a stacked design) (Fuller et al 2016, Crum 238 et al 2017, Goldspiel et al 2019. We excluded data from the first year of the monitoring 239 program (2009) from our analysis due to low detections for all species and lower effort 240 relative to subsequent years.…”

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confidence: 99%

Anthropogenic factors influence the occupancy of an invasive carnivore in a suburban preserve system

Vanek

Rutter

Preuss

et al. 2020

Preprint

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Domestic cats (Felis catus) are one of the world’s most damaging invasive species. Free-ranging cats kill billions of wild animals every year, spread parasites and diseases to both wildlife and humans, and are responsible for the extinction or extirpation of at least 63 species. While the ecology and conservation implications of free-ranging cats have well studied in some locations, relatively little is known about cats inhabiting urban nature preserves in the United States. To address this knowledge gap, we used camera traps to study the occupancy and activity patterns of free-ranging cats in 55 suburban nature preserves in the Chicago, IL metropolitan area. From 2010–2018 (4,440 trap days), we recorded 355 photos of free-ranging cats across 26 preserves (ψnaïve = 0.45) and 41 randomly distributed monitoring points (ψnaïve = 0.18). Cats were detected every year, but rarely at the same point or preserve, and cats were largely crepuscular/diurnal. Using single-season occupancy models and a “stacked” design, we found that cat occupancy increased with building density and detectability was highest near the urban/preserve boundary. Based on our top-ranked model, predicted occupancy within individual preserves ranged from 0.09 to 0.28 (ψmean = 0.11) and was poorly correlated with preserve size or shape. Overall, our results suggest that free-ranging cats are rare within suburban preserves in our study area, and that these cats are most likely owned or heavily subsidized by people (which pose different risks and management challenges than truly feral cats). We discuss the conservation and management implications for urban natural areas.HighlightsWe surveyed for domestic cats across 55 suburban preserves from 2010-2018.We modeled occupancy and detectability as a function of urban covariates.Cat occupancy was low overall and best predicted by building density.The risk to native species is highest near preserve boundaries bordered by built environments.

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“…We considered each monitoring point-year combination to be a distinct site (i.e. a stacked design) (Fuller et al 2016, Crum et al 2017, Goldspiel et al 2019. We excluded data from the first year of the monitoring program ( 2009) from our analysis due to low detections for all species and lower effort relative to subsequent years.…”

Section: Modeling Proceduresmentioning

confidence: 99%

Anthropogenic factors influence the occupancy of an invasive carnivore in a suburban preserve system

et al. 2020

View full text Add to dashboard Cite

Domestic cats (Felis catus) are one of the world's most damaging invasive species. Freeranging cats kill billions of wild animals every year, spread parasites and diseases to both wildlife and humans, and are responsible for the extinction or extirpation of at least 63 species. While the ecology and conservation implications of free-ranging cats have well studied in some locations, relatively little is known about cats inhabiting urban nature preserves in the United States. To address this knowledge gap, we used camera traps to study the occupancy and activity patterns of free-ranging cats in 55 suburban nature preserves in the Chicago, IL metropolitan area. From 2010-2018 (4,440 trap days), we recorded 355 photos of free-ranging cats across 26 preserves ( naïve = 0.45) and 41 randomly distributed monitoring points ( naïve = 0.18). Cats were detected every year, but rarely at the same point or preserve, and cats were largely crepuscular/diurnal. Using single-season occupancy models and a "stacked" design, we found that cat occupancy increased with .

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Forest land-use history affects outcomes of habitat augmentation for amphibian conservation

Cited by 13 publications

References 51 publications

Responses of grassland snakes to tallgrass prairie restoration

Responses of grassland snakes to tallgrass prairie restoration

Anthropogenic factors influence the occupancy of an invasive carnivore in a suburban preserve system

Anthropogenic factors influence the occupancy of an invasive carnivore in a suburban preserve system

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