Article
 

Terrain and vegetation structural influences on local avian species richness in two mixed-conifer forests

Public Deposited

Downloadable Content

Download PDF
https://ir.library.oregonstate.edu/concern/articles/qj72p9250

Descriptions

Attribute NameValues
Creator
Abstract
  • Using remotely-sensed metrics to identify regions containing high animal diversity and/or specific animal species or guilds can help prioritize forest management and conservation objectives across actively managed landscapes. We predicted avian species richness in two mixed conifer forests, Moscow Mountain and Slate Creek, containing different management contexts and located in north-central Idaho. We utilized general linear models and an AIC model selection approach to examine the relative importance of a wide range of remotely-sensed ecological variables, including LiDAR-derived metrics of vertical and horizontal structural heterogeneities of both vegetation and terrain, and Landsat-derived vegetation reflectance indices. We also examined the relative importance of these remotely sensed variables in predicting nesting guild distributions of ground/understory nesters, mid-upper canopy nesters, and cavity nesters. All top models were statistically significant, with adjusted R²s ranging from 0.05 to 0.42. Regardless of study area, the density of the understory was positively associated with total species richness and the ground/understory nesting guild. However, the relative importance of ecological predictors generally differed between the study areas and among the nesting guilds. For example, for mid-upper canopy nester richness, the best predictors at Moscow Mountain included height variability and canopy density whereas at Slate Creek they included slope, elevation, patch diversity and height variability. Topographic variables were not found to influence species richness at Moscow Mountain but were strong predictors of avian species richness at the higher elevation Slate Creek, where species richness decreased with increasing slope and elevation. A variance in responses between focal areas suggests that we expand such studies to determine the relative importance of different factors in determining species richness. It is also important to note that managers using predictive maps should realize that models from one region may not adequately represent communities in other areas.
  • This is the publisher’s final pdf. The published article is copyrighted by Elsevier and can be found at: http://www.sciencedirect.com/science/journal/00344257
  • Keywords: Avian nesting guilds, Predictive maps, Species richness modeling, Landsat, Forest birds, LiDAR
  • Keywords: Avian nesting guilds, Predictive maps, Species richness modeling, Landsat, Forest birds, LiDAR
Resource Type
DOI
Date Available
Date Issued
Citation
  • Vogeler, J. C., Hudak, A. T., Vierling, L. A., Evans, J., Green, P., & Vierling, K. I. T. (2014). Terrain and vegetation structural influences on local avian species richness in two mixed-conifer forests. Remote Sensing of Environment, 147, 13-22. doi:10.1016/j.rse.2014.02.006
Journal Title
Journal Volume
  • 147
Rights Statement
Funding Statement (additional comments about funding)
  • We would like to thank the National Gap Analysis Program (grant number: 08HQAG0123), the US Forest Service, and the Palouse Audubon Society for funding. This is contribution 1080 of the University of Idaho Forest, Wildlife and Range Experiment Station.
Publisher
Peer Reviewed
Language
Replaces

Relationships

Parents:

This work has no parents.

Items