Short-term changes in summer and winter resident bird communities following a high severity wildfire in a southern USA mixed pine/hardwood forest

Brown, Donald J.; Ferrato, Jacqueline R.; White, Clayton J.; Mali, Ivana; Forstner, Michael R. J.; Simpson, Thomas R.

doi:10.1016/j.foreco.2015.04.017

Cited by 11 publications

(8 citation statements)

References 52 publications

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“…Additionally, this study only considered breeding birds. Analysis of fire relationships during the nonbreeding season could reveal additional insights (e.g., Covert-Bratland et al 2006, Brown et al 2015.…”

Section: Considerations For Future Researchmentioning

confidence: 99%

Avian relationships with wildfire at two dry forest locations with different historical fire regimes

et al. 2016

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Wildfire is a key factor influencing bird community composition in western North American forests. We need to understand species and community responses to wildfire and how responses vary regionally to effectively manage dry conifer forests for maintaining biodiversity. We compared avian relationships with wildfire burn severity between two dry forest locations of Arizona and Idaho. We predicted different responses to wildfire between locations due to regional differences in historical fire regime. We conducted point count surveys for 3 yr following wildfire (Arizona: 1997–1999; Idaho: 2008–2010) and used multispecies hierarchical models to analyze relationships of bird occupancy with burn severity. Consistent with our prediction for mixed‐severity fire regimes characterizing the Idaho location, we observed proportionately more positive species occupancy relationships and, consequently, a positive species richness relationship with burn severity in Idaho. We also observed the opposite pattern in Arizona, which was congruent with our prediction for the low‐severity fire regime characterizing that location. Cavity nesters and aerial insectivores occupied more severely burned sites following wildfire, corresponding with predicted increases in nesting substrate and foraging opportunities for these species. In contrast, canopy‐nesting foliage gleaners and pine seed consumers exhibited negative relationships with burn severity. Our results were consistent with predictions based on species life histories and with patterns from the literature, suggesting generality of observed relationships and locational difference in relationships with wildfire. We therefore suggest that optimal management strategies for maintaining avian diversity could differ regionally. Specifically, intensive fuels management may be ecologically less appropriate for promoting biodiversity in areas such as the Idaho location where mixed‐severity wildfires and dense forest stands were historically more common.

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Section: Considerations For Future Researchmentioning

confidence: 99%

Avian relationships with wildfire at two dry forest locations with different historical fire regimes

et al. 2016

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“…Our bird survey included 20 forest plots, that were at least 250 m apart ( Fig. 1) to minimize the potential for individual birds to be counted at multiple points (Shriner 2001;Brown et al 2015). All plots were more than 50 years old and larger than 5 ha (JNF forest database 2015).…”

Section: Study Plotsmentioning

confidence: 99%

“…Each point count was located at least 50 m deep in the forest to avoid edge effect. A circular point-count method with a 50-m radius (Reynolds et al 1980;Shriner 2001;Brown et al 2015) Fig. 1 The map of the study area and the location of the study plots of each of the three types of forest habitats Dagan and Izhaki Forest Ecosystems (2019) 6:29 was used to estimate bird density, species richness and diversity in each study plot (Sweeney et al 2011;Brown et al 2015).…”

Section: Bird Surveysmentioning

confidence: 99%

“…A circular point-count method with a 50-m radius (Reynolds et al 1980;Shriner 2001;Brown et al 2015) Fig. 1 The map of the study area and the location of the study plots of each of the three types of forest habitats Dagan and Izhaki Forest Ecosystems (2019) 6:29 was used to estimate bird density, species richness and diversity in each study plot (Sweeney et al 2011;Brown et al 2015). All birds heard or seen from the census station over a 10-min interval (Reynolds et al 1980;Shriner 2001) were registered by species, date of detection and distance in 2 radius bands: 0 to 30 m and 30 m to infinity (plot edge) from the observer (Bibby 2000).…”

Section: Bird Surveysmentioning

confidence: 99%

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Understory vegetation in planted pine forests governs bird community composition and diversity in the eastern Mediterranean region

Dagan

Izhaki

2019

For. Ecosyst.

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Background: Managed forests can become a seminatural habitat by allowing natural vegetation to establish under the tree canopy. The aim of this study was to examine how this natural understory vegetation in pine plantations affects bird community composition and diversity. We compared bird communities in three types of pine forest plantations that differed in the composition of their understory vegetation. Results: One thousand four hundred seventy-six birds of 33 species were observed in the three different forest habitats over two years. We found that the presence and composition of understory vegetation had a major role in determining bird community composition, richness, complexity and diversity. Conclusions: To ensure pine forest with high biodiversity in the eastern Mediterranean region, the understory needs to be rich in shrubs that are attractive to birds and other natural fauna.

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“…Bird surveys were conducted by fixed point counts [58], one point per study plot, with at least 250 m between the point counts to minimize the potential for individual birds to be counted at multiple points [59,60]. Each point count was located at least 50 m deep in the forest to avoid edge effect.…”

Section: Bird Surveymentioning

confidence: 99%

The Effect of Pine Forest Structure on Bird-Mobbing Behavior: From Individual Response to Community Composition

Dagan

Izhaki

2019

Forests

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Pine-forest bird communities are affected by the forest structure and the density and composition of its understory vegetation. In this study, we focused on the combined effects of vegetation structure and caller identity on the mobbing behavior of birds in breeding and non-breeding seasons. We examined the effect of the understory structure and the density of three types of conifer forest habitats on bird behavior by broadcasting three different types of mobbing calls: Those of two all-year resident species in the state Israel (Sardinian warbler Sylvia melanocephala Gmelin and great tit Parus major L.) and one European species (coal tit Periparus ater L.), which is absent from these habitats. The mobbing call attracted 689 birds of 17 species, which represented 31% to 95% of the forest bird species that we detected in point counts at the same study plots. Bird reactions to mobbing calls were affected by the status and season, depending on forest type. Our results show that responses were stronger in forests with developed understory in comparison to forests with no understory, especially in winter. The highest number of responders and highest species richness of responders were observed in winter. P. major calls generated more interspecific than intraspecific responses, whereas S. melanocephala calls generated equal levels of inter- and intraspecific reactions. Both species generated different response patterns across the three forest habitat types. The response level of responders is higher when the mobbing calls are issued by local species rather than the P. ater. In winter, the response of non-resident species was higher than of resident species. Based on these results, we encourage the managers to maintain well-established understory vegetation, with special attention to the shrubs layer, to promote species diversity and rich behavioral responses of birds in the conifer forests in the eastern Mediterranean region.

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Short-term changes in summer and winter resident bird communities following a high severity wildfire in a southern USA mixed pine/hardwood forest

Cited by 11 publications

References 52 publications

Avian relationships with wildfire at two dry forest locations with different historical fire regimes

Avian relationships with wildfire at two dry forest locations with different historical fire regimes

Understory vegetation in planted pine forests governs bird community composition and diversity in the eastern Mediterranean region

The Effect of Pine Forest Structure on Bird-Mobbing Behavior: From Individual Response to Community Composition

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