Habitat Selection and Reproductive Success of Cerulean Warblers in Indiana

Roth, Kirk L.; Islam, Kamal

doi:10.1676/06-181.1

Cited by 19 publications

(13 citation statements)

References 10 publications

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“…These steady-state forests are rich with features (e.g., canopy gaps, grapevines, and large trees) that promote settlement, territory and nest placement, and successful nesting of Cerulean Warblers. This finding is consistent with other descriptions of habitat selection by Cerulean Warblers, most of which stress the importance of uneven-aged forests containing canopy gaps (Oliarnyk and Robertson, 1996;Hamel et al, 1998;Weakland and Wood, 2005;Wood et al, 2006;Roth and Islam, 2008).…”

Section: Discussionsupporting

confidence: 91%

“…Cerulean Warblers are most likely to breed in forests with a broken canopy, such as riparian bottomland forest and upland forests (Rosenberg et al, 2000). Local habitat characteristics often associated with Cerulean Warblers include (1) dense, heterogeneous canopies, (2) large, well-spaced trees, and (3) open understories (Hamel, 2000;Roth and Islam, 2008). Although Cerulean Warblers are known to prefer large tracts of mature forest, numerous studies suggest that canopy gaps, or openings, may be an important aspect of nest-site selection (Bent, 1953;Oliarnyk, 1996;Oliarnyk and Robertson, 1996), while others believe canopy gaps to be of little relevance (Barg et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

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Think globally, manage locally: The importance of steady-state forest features for a declining songbird

Bakermans

Rodewald

2009

Forest Ecology and Management

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Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Think globally, manage locally: The importance of steady-state forest features for a declining songbird

Bakermans

Rodewald

2009

Forest Ecology and Management

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“…Three intensities of harvests were implemented on 10-ha forest stands isolated from other canopy disturbances on the landscape (Boves et al, 2013b). The harvests were within mature, mixed-mesophytic forests, on upper slopes and ridgelines, and on north-to northeast-facing slopes, preferred habitat for the Cerulean Warbler (Weakland and Wood, 2005;Roth and Islam, 2008;Perkins and Wood, 2014). Although the study determined the preferred range of basal area within these conditions (9.2-20.7 m 2 /ha; Wood et al, 2013), it is unknown if Fig.…”

Section: Introductionmentioning

confidence: 99%

Cerulean Warbler (Setophaga cerulea) response to operational silviculture in the central Appalachian region

Nareff

Wood

Brown

et al. 2019

Forest Ecology and Management

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The Cerulean Warbler (Setophaga cerulea) is a species of conservation need, with declines linked in part to forest habitat loss on its breeding grounds. Active management of forests benefit the Cerulean Warbler by creating the complex structural conditions preferred by the species, but further research is needed to determine optimal silvicultural strategies. We quantified and compared the broad-scale influence of timber harvests within central Appalachian hardwood forests on estimated abundance and territory density of Cerulean Warblers. We conducted point counts at seven study areas across three states within the central Appalachian region (West Virginia [n = 4], Kentucky [n = 1], Virginia [n = 2]) and territory mapping at two of the study areas in West Virginia, pre-and post-harvest, for up to five breeding seasons from 2013 to 2017. Our primary objective was to relate change in abundance to topographic and vegetation metrics to evaluate the effectiveness of current Cerulean Warbler habitat management guidelines. We used single-species hierarchical (N-mixture) models to estimate abundance while accounting for detection biases. Pre-harvest mean basal area among study areas was 29.3 m 2 / ha. Harvesting reduced mean basal area among study areas by 40% (mean 17.2 m 2 /ha) at harvest interior and harvest edge points. Territory density increased 100% (P = 0.003) from pre-harvest to two years post-harvest. Cerulean Warbler abundance increased with increasing percentage of basal area that comprised tree species preferred for foraging and nesting (i.e., white oak species, sugar maple [Acer saccharum], hickories) or of large diameter trees (≥40.6 cm diameter at breast height). Positive population growth was predicted to occur where these vegetation metrics were > 50% of residual basal area. Post-harvest abundance at harvest interior points was greater than at reference points and when accounting for years-post-harvest in modeling abundance, Cerulean Warbler abundance increased at harvest interior and reference points two years post-harvest and subsequently decreased three years post-harvest. Modeled abundance remained the same at harvest edge points. Increases in abundance and territory density were greater in stands with low pre-harvest densities (< 2 birds/ point or < 0.40 territory/ha) of Cerulean Warblers, whereas populations within stands with higher densities preharvest had minimal changes in abundance and territory density. Overall, our results indicate that harvests based on the Cerulean Warbler Management Guidelines for Enhancing Breeding Habitat in Appalachian Hardwood Forests, at all available slope positions and aspects where pre-harvest densities are < 0.40 territory/ ha, may provide breeding habitat for Cerulean Warblers for at least two years post-harvest in the central Appalachian region.

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“…The Cerulean Warbler's reliance on large trees (Robbins et al ; Jones & Robertson ; Roth & Islam ) and large stands of trees (Robbins et al ; Weakland & Wood ; Wood et al ) is well known. We believe our failure to demonstrate the importance of these habitat components at the microhabitat scale is an artifact of our study sites selection, which had a prerequisite of large stands of mature trees.…”

Section: Discussionmentioning

confidence: 99%

Archaic and contemporary topographic diversification of Upper Mississippi River forests

King

Stravers²,

Maas

et al. 2018

Restoration Ecology

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Topographic diversity is an important component of environmental heterogeneity. Topographic diversity within the Upper Mississippi River floodplain has been degraded because of modifications for navigation improvement. Efforts aimed at restoring topographic diversity in the Upper Mississippi River floodplain have been extensive but have not focused on reversing the effects of forest loss and degradation. We investigated habitat features associated with Cerulean Warbler (Setophaga cerulea) locations both within and outside of river floodplains and hypothesized this species would select topographically diverse habitats. Both topographic diversity and the distance to the upland forest/floodplain forest interface were useful predictors of Cerulean Warbler presence. We conclude that incorporation of topographic diversity into floodplain forest restoration planning would likely benefit Cerulean Warblers and the other species with similar habitat requirements. Incorporating topographic diversity into floodplain forest conservation planning will be challenging on major rivers that serve multiple purposes.

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Habitat Selection and Reproductive Success of Cerulean Warblers in Indiana

Cited by 19 publications

References 10 publications

Think globally, manage locally: The importance of steady-state forest features for a declining songbird

Think globally, manage locally: The importance of steady-state forest features for a declining songbird

Cerulean Warbler (Setophaga cerulea) response to operational silviculture in the central Appalachian region

Archaic and contemporary topographic diversification of Upper Mississippi River forests

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