Avian population and community processes in forest ecosystems: Long-term research in the Hubbard Brook Experimental Forest
Forest Ecology and Management, ISSN: 0378-1127, Vol: 262, Issue: 1, Page: 20-32
2011
- 69Citations
- 115Captures
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Article Description
Long-term studies in relatively undisturbed forest ecosystems, such as occur in many of the USFS’ Experimental Forests, provide valuable insight into bird population and community processes, information pertinent to forest management and bird conservation. Major findings from 40 years of research in the Hubbard Brook Experimental Forest in north-central New Hampshire reviewed here show that the distributions and abundances of bird species are dynamic, even within well-developed and mature forests, and that species respond differently to habitat (vegetation) structure, food availability, and other features of the forest environment. At the local scale, bird population demography is most affected by factors that influence fecundity and recruitment, mainly food availability, weather, nest predators, and density dependent processes. Fecundity is strongly correlated with subsequent recruitment and is critical for maintaining breeding population size. Events in the non-breeding season, however, also influence the abundance and demography of breeding populations, indicating the need to assess factors operating throughout the species’ annual cycle. At the landscape scale, populations in temperate forests are spatially structured by each species’ response to habitat and environmental patterns, but also by social interactions such as competition and conspecific attraction. Settlement patterns and ultimately reproductive performance depend on habitat quality, based on vegetation structure, food availability and nest predator effects that vary across the landscape. Results from these long-term studies centered at Hubbard Brook provide a mechanistic understanding of avian population dynamics and community responses. The results provide a framework for predicting how future changes in habitat quality, climate, and other environmental threats may influence bird populations and communities in north-temperate forests.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0378112710003531; http://dx.doi.org/10.1016/j.foreco.2010.06.021; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=79957445212&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0378112710003531; https://api.elsevier.com/content/article/PII:S0378112710003531?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:S0378112710003531?httpAccept=text/plain; https://dx.doi.org/10.1016/j.foreco.2010.06.021
Elsevier BV
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