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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

Local vs. Large Scale Gradients of Species Diversity in Birds

Student names removed for anonymity

BY222

objectives
Objectives
  • Local, Regional, Continental comparisons
    • Species richness
    • Land coverage
      • Patterns
    • Land use
  • East coast to interior Colorado

Yellow Warbler, Fishman Island, Virginia

hypotheses
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

our measurements
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

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