Human impacts on regional avian diversity and abundance

CA Lepczyk, CH Flather, VC Radeloff… - Conservation …, 2008 - Wiley Online Library
Patterns of association between humans and biodiversity typically show positive, negative,
or negative quadratic relationships and can be described by 3 hypotheses: biologically rich …

Influence of habitat amount, arrangement, and use on population trend estimates of male Kirtland's warblers

DM Donner, JR Probst, CA Ribic - Landscape Ecology, 2008 - Springer
Kirtland's warblers (Dendroica kirtlandii) persist in a naturally patchy environment of young,
regenerating jack pine forests (ie, 5–23 years old) created after wildfires and human logging …

Geographic differences between functional groups in patterns of bird species richness in North America

J Carnicer, R Díaz-Delgado - Acta Oecologica, 2008 - Elsevier
Geographic divergences in patterns of species richness were studied for the terrestrial birds
of North America using Breeding Bird Survey (BBS) census data subdivided for guild and …

Stand-level forest structure and avian habitat: scale dependencies in predicting occurrence in a heterogeneous forest

KM Smith, WS Keeton, TM Donovan, B Mitchell - Forest Science, 2008 - academic.oup.com
We explored the role of stand-level forest structure and spatial extent of forest sampling in
models of avian occurrence in northern hardwood-conifer forests for two species: black …

Effect of forest management on a rare habitat specialist, the Bicknell's Thrush (Catharus bicknelli)

SE Chisholm, ML Leonard - Canadian Journal of Zoology, 2008 - cdnsciencepub.com
Forest dwelling birds with narrow habitat preferences may be vulnerable to habitat changes
from forest management. The Bicknell's Thrush (Catharus bicknelli (Ridgway, 1882)), a rare …

Random sampling, abundance–extinction dynamics and niche‐filtering immigration constraints explain the generation of species richness gradients

J Carnicer, L Brotons, D Sol… - Global Ecology and …, 2008 - Wiley Online Library
Aim The paradigm that species' patterns of distribution, abundance and coexistence are the
result of adaptations of the species to their niches has recently been challenged by evidence …

Habitat, topographical, and geographical components structuring shrubsteppe bird communities

ST Knick, JT Rotenberry, M Leu - Ecography, 2008 - Wiley Online Library
Landscapes available to birds to select for breeding locations are arrayed along multiple
dimensions. Identifying the primary gradients structuring shrubsteppe bird communities in …

[PDF][PDF] Relationships between Duck and Grassland Bird Relative Abundance and Species Richness in Southern Saskatchewan.

SP Skinner, RG Clark - Avian Conservation & Ecology, 2008 - epe.lac-bac.gc.ca
Digital map products that integrate long-term duck population and land-use data are
currently being used to guide conservation program delivery on the Canadian Prairies …

Ecological traits determine the affinity of birds to a larch plantation matrix, in montane Nagano, central Japan

Y Yamaura, T Amano, K Katoh - Ecological research, 2008 - Wiley Online Library
Although the affinity to the matrix habitat (matrix affinity) determines the fate of species in
dynamic landscapes where habitat replacement occurs, only a few studies have examined …

Desert bird associations with broad‐scale boundary length: applications in avian conservation

KJ Gutzwiller, WC Barrow Jr - Journal of applied ecology, 2008 - Wiley Online Library
Summary 1 Current understanding regarding the effects of boundaries on bird communities
has originated largely from studies of forest–non‐forest boundaries in mesic systems. To …