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Full-Text Articles in Life Sciences
Do Pine Trees In Aspen Stands Increase Bird Diversity, Mark A. Rumble, Todd R. Mills, Brian L. Dystra, Lester D. Flake
Do Pine Trees In Aspen Stands Increase Bird Diversity, Mark A. Rumble, Todd R. Mills, Brian L. Dystra, Lester D. Flake
Aspen Bibliography
In the Black Hills of South Dakota, quaking aspen (Populus tremuloides) is being replaced by conifers through fire suppression and successional processes. Al- though the Black Hills National forest is removing conifers (primarily ponderosa pine [Pinus ponderosa])toincreasetheaspencommunitiesinsomemixedstands,ForestPlan guidelines allow four conifers per hectare to remain to increase diversity in the remaining aspen stand. We compared bird species richness in pure ponderosa pine, mixed stands dominated by ponderosa pine with quaking aspen, mixed stands dominated by aspen
with ponderosa pine, and pure aspen stands. Stands dominated by ponderosa pine had lower (P
Predicting Nest Success From Habitat Features In Aspen Forests Of The Central Rocky Mountains, H.M. Struempf, D.M. Finch, G. Hayward, S. Anderson
Predicting Nest Success From Habitat Features In Aspen Forests Of The Central Rocky Mountains, H.M. Struempf, D.M. Finch, G. Hayward, S. Anderson
Aspen Bibliography
We collected nesting data on bird use of aspen stands in the Routt and Medicine Bow National Forests between 1987 and 1989. We found active nest sites of 28 species of small nongame birds on nine study plots in undisturbed aspen forests. We compared logistic regression models predicting nest success (at least one nestling) from nest-site or stand-level habitat predictors. Most common species used nest sites in aspen trees in forest interior locations (distance to edge >100 m), with dense trees (opening >100 m away) despite no apparent positive correlation with use of these habitat features and nest success rates. …