2015
DOI: 10.1007/s10980-015-0250-0
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Landscape and local effects on occupancy and densities of an endangered wood-warbler in an urbanizing landscape

Abstract: Context Golden-cheeked warblers (Setophaga chrysoparia), an endangered wood-warbler, breed exclusively in woodlands co-dominated by Ashe juniper (Juniperus ashei) in central Texas. Their breeding range is becoming increasingly urbanized and habitat loss and fragmentation are a main threat to the species' viability.Objectives We investigated the effects of remotely sensed local habitat and landscape attributes on point occupancy and density of warblers in an urban preserve and produced a spatially explicit dens… Show more

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Cited by 18 publications
(35 citation statements)
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“…Arguably we did not monitor nests across a wide enough range of landscapes to observe the strong fragmentation or edge effects observed for songbirds elsewhere in the Midwest (Robinson et al , Thompson et al ). Our intensive monitoring plots were generally representative of the BCP, with the only noticeable differences being that plots had slightly more canopy cover and taller canopy height at the local forest scale, and more urban land cover in the surrounding landscape (Reidy et al ; Table ). Interestingly, within these monitoring plots, warbler nests tended to be in taller trees, in areas of more mixed and juniper woodland at the 100‐m and 1‐km scale, and in areas of less open edge and urban land cover compared to plot means (Reidy et al ).…”
Section: Discussionmentioning
confidence: 99%
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“…Arguably we did not monitor nests across a wide enough range of landscapes to observe the strong fragmentation or edge effects observed for songbirds elsewhere in the Midwest (Robinson et al , Thompson et al ). Our intensive monitoring plots were generally representative of the BCP, with the only noticeable differences being that plots had slightly more canopy cover and taller canopy height at the local forest scale, and more urban land cover in the surrounding landscape (Reidy et al ; Table ). Interestingly, within these monitoring plots, warbler nests tended to be in taller trees, in areas of more mixed and juniper woodland at the 100‐m and 1‐km scale, and in areas of less open edge and urban land cover compared to plot means (Reidy et al ).…”
Section: Discussionmentioning
confidence: 99%
“…We derived measures of composition and structure at a forest (100‐m radius) and landscape scale (1‐km radius) around each survey point and nest using ArcMap 10.0 (ESRI). We created a finer resolution and more up‐to‐date map of vegetation cover by intersecting the Texas Ecological Systems phase 1 (TESP1) vegetation classification with a light detection and ranging (LiDAR)‐based map of vegetation height (Reidy et al ). The TESP1 vegetation classification was a 10‐m resolution vegetation classification developed for central Texas derived from satellite imagery and slope, aspect, landscape position, hydrology, and soil type data (Elliott et al ).…”
Section: Methodsmentioning
confidence: 99%
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