Results 271 to 280 of about 1,139,090 (295)
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Bird Species Diversity on an Andean Elevational Gradient

Ecology, 1977
This paper analyzes patterns of bird species diversity on an elevational transect of the Cordillera Vilcabamba, Peru. Major changes in climate and vegetation are encompassed by the transect which extended from the Apurimac Valley floor at 500 m to the summit ridge of the range at >3,500 m.
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Elevation Gradients in Oregon Mountain Ranges

2022
Thor Thorson   +6 more
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Anthophilous Fly Distribution Across an Elevation Gradient

American Midland Naturalist, 1992
-Flower-visiting Diptera are abundant in montane and Arctic areas. This research, conducted on the western slope of the Colorado Rocky Mountains: (1) characterizes the predominant anthophilous fly taxa in comparison with other high-elevation and highlatitude sites; (2) examines changes in fly abundance with elevation, and (3) examines the potential of ...
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Habitat partitioning by sparrows along an elevational gradient

2008
Although species replacements along environmental gradients are commonly attributed to interspecific competition, predictions of what species distributions would be in the absence of competition are usually lacking. I tested alternative hypotheses that might account for species distributions including: food, predation, and habitat structure.
openaire   +1 more source

Climate Sensitivity of Tropical Trees Along an Elevation Gradient in Rwanda

Forests, 2018
Elisee Ntawuhiganayo Bahati   +2 more
exaly  

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