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Local vs. Large Scale Gradients of Species Diversity in Birds

Local vs. Large Scale Gradients of Species Diversity in Birds. Student names removed for anonymity BY222. Objectives. Local, Regional, Continental comparisons Species richness Land coverage Patterns Land use East coast to interior Colorado. Yellow Warbler, Fishman Island, Virginia.

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Local vs. Large Scale Gradients of Species Diversity in Birds

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  1. Local vs. Large Scale Gradients of Species Diversity in Birds Student names removed for anonymity BY222

  2. Objectives • Local, Regional, Continental comparisons • Species richness • Land coverage • Patterns • Land use • East coast to interior Colorado Yellow Warbler, Fishman Island, Virginia

  3. Hypotheses Continental: • The further East, the greater the species richness of birds Regional • There will be a greater species richness in birds where there is more water Local • There will be more species in forested areas. Brown-Headed Cowbird Squaw Creek, Missouri

  4. Our Measurements Latitude: 30° N to 40°N Longitude: -75°W to -105°W Field measurements: ≈3, 5 minsw/ 25, 50, 100m Type: State Wildlife Management Area Data collected: Avg of up to 5yrs Breeding Birds Local scale: 0.82km^2 Regional Scale: 52km^2

  5. Breeding Birds Species Richness

  6. Species Richness vs Longitude

  7. Tennessee Edger Euns

  8. Conclusions • Continental scale bird species increase closer to the coast • Regional and local patterns show similar species richness

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