Cerulean Warbler (Dendroica Cerulea) Microhabitat and Landscape-Level Habitat Characteristics in Southern West Virginia

Weakland, Cathy A.; Wood, Petra Bohall

doi:10.1642/0004-8038(2005)122[0497:cwdcma]2.0.co;2

Cited by 60 publications

(76 citation statements)

References 3 publications

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“…At each study area, four 20-ha plots were placed on ridgetops and north-or east-facing upper slopes, the predominant topographic location of the region's Cerulean Warbler populations (Buehler et al, 2006;Weakland and Wood, 2005;Wood et al, 2006). Plots were generally rectangular with the long axis parallel to the ridgeline or perpendicular to the general slope direction.…”

Section: Habitat Manipulationsmentioning

confidence: 99%

Avian response to timber harvesting applied experimentally to manage Cerulean Warbler breeding populations

Sheehan

Wood

Buehler

et al. 2014

Forest Ecology and Management

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b s t r a c tTimber harvesting has been proposed as a management tool to enhance breeding habitat for the Cerulean Warbler (Setophaga cerulea), a declining Neotropical-Nearctic migratory songbird that nests in the canopy of mature eastern deciduous forests. To evaluate how this single-species management focus might fit within an ecologically based management approach for multiple forest birds, we performed a manipulative experiment using four treatments (three intensities of timber harvests and an unharvested control) at each of seven study areas within the core Cerulean Warbler breeding range. We collected preharvest (one year) and post-harvest (four years) data on the territory density of Cerulean Warblers and six additional focal species, avian community relative abundance, and several key habitat variables. We evaluated the avian and habitat responses across the 3-32 m 2 ha À1 residual basal area (RBA) range of the treatments. Cerulean Warbler territory density peaked with medium RBA ($16 m 2 ha À1 ). In contrast, territory densities of the other focal species were negatively related to RBA (e.g., Hooded Warbler [Setophaga citrina]), were positively related to RBA (e.g., Ovenbird [Seiurus aurocapilla]), or were not sensitive to this measure (Scarlet Tanager [Piranga olivacea]). Some species (e.g., Hooded Warbler) increased with time post-treatment and were likely tied to a developing understory, whereas declines (e.g., Ovenbird) were immediate. Relative abundance responses of additional species were consistent with the territory density responses of the focal species. Across the RBA gradient, greatest separation in the avian community was between early successional forest species (e.g., Yellow-breasted Chat [Icteria virens]) and closed-canopy mature forest species (e.g., Ovenbird), with the Cerulean Warbler and other species located intermediate to these two extremes. Overall, our results suggest that harvests within 10-20 m 2 ha À1 RBA yield the largest increases in Cerulean Warblers, benefit additional disturbance-dependent species, and may retain closed-canopy species but at reduced levels. Harvests outside the optimum RBA range for Cerulean Warblers can support bird assemblages specifically associated with early or late (closed-canopy) successional stages.

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Section: Habitat Manipulationsmentioning

confidence: 99%

Avian response to timber harvesting applied experimentally to manage Cerulean Warbler breeding populations

Sheehan

Wood

Buehler

et al. 2014

Forest Ecology and Management

Self Cite

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“…To examine topography we measured slope (angle in degrees using a clinometer) and aspect (compass angle in degrees). Position on the slope was scored as valley, midslope or ridgetop (Morrissey et al, 2009 based on Bowersox andWard, 1972;Weakland and Wood, 2005) using contour lines on topographic maps with valleys located <25 m from a stream and ridgetops located <25 m from the top of the ridge. Compass angle was scored from mesic northeast (315-135°) to xeric southwest (135-315°) facing aspects (Morrissey et al, 2009 based on Beers et al, 1966;Smalley, 1983).…”

Section: Measurements Of Habitat Characteristicsmentioning

confidence: 99%

Role of topography, canopy structure, and floristics in nest-site selection and nesting success of canopy songbirds

Newell

Rodewald

2011

Forest Ecology and Management

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“…Grasslands resulting from surface mine reclamation have been shown to be fundamentally different from other grasslands in terms of their impact on hydrology (Negley and Eshleman 2006;Ferrari et al 2009;McCormick et al 2009;Zégre, Maxwell, and Lamont 2013;Miller and Zégre 2014;Zégre et al 2014), terrestrial habitat (Weakland and Wood 2005;Wood, Bosworth, and Dettmers 2006;Simmons et al 2008;Wickham et al 2007Wickham et al , 2013, and aquatic ecosystems (Hartman et al 2005;Pond et al 2008;Fritz et al 2010;Pond 2010;Merriam et al 2011;Bernhardt et al 2012;Merriam et al 2013). Negley and Eshleman (2006) found that watersheds affected by mining and mine reclamation produce increased storm run-off and higher peak hourly run-off rates for storm events in comparison with watersheds not affected by mining.…”

Section: Introductionmentioning

confidence: 99%

Differentiating mine-reclaimed grasslands from spectrally similar land cover using terrain variables and object-based machine learning classification

Maxwell

Warner

2015

International Journal of Remote Sensing

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(2015) Differentiating mine-reclaimed grasslands from spectrally similar land cover using terrain variables and object-based machine learning classification, International Journal of Remote Sensing, 36:17, Incorporating ancillary, non-spectral data may improve the separability of land use/ land cover classes. This study investigates the use of multi-temporal digital terrain data combined with aerial National Agriculture Imagery Program imagery for differentiating mine-reclaimed grasslands from non-mining grasslands across a broad region (6085 km 2 ). The terrain data were derived from historical digital hypsography and a recent light detection and ranging data set. A geographic objectbased image analysis (GEOBIA) approach, combined with two machine learning algorithms, Random Forests and Support Vector Machines, was used because these methods facilitate the use of ancillary data in classification. The results suggest that mine-reclaimed grasslands can be mapped accurately, with user's and producer's accuracies above 80%, due to a distinctive topographic signature in comparison with other spectrally similar grasslands within this landscape. The use of multitemporal digital elevation model data and pre-mining terrain data only generally provided statistically significant increased classification accuracy in comparison with post-mining terrain data. Elevation change data were of value, and terrain shape variables generally improved the classification. GEOBIA and machine learning algorithms were useful in exploiting these non-spectral data, as data gridded at variable cell sizes can be summarized at the scale of image objects, allowing complex interactions between predictor variables to be characterized.

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Cerulean Warbler (Dendroica Cerulea) Microhabitat and Landscape-Level Habitat Characteristics in Southern West Virginia

Cited by 60 publications

References 3 publications

Avian response to timber harvesting applied experimentally to manage Cerulean Warbler breeding populations

Avian response to timber harvesting applied experimentally to manage Cerulean Warbler breeding populations

Role of topography, canopy structure, and floristics in nest-site selection and nesting success of canopy songbirds

Differentiating mine-reclaimed grasslands from spectrally similar land cover using terrain variables and object-based machine learning classification

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