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Bird Point Database US Geological Survey Patuxent Wildlife Research Center National Wildlife Refuge System bird point count database U.S. Fish & Wildlife Service


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Upper Mississippi River (Knutson 92-94)
Other
IA, MN, WI
529
Prairie Hardwood Transition
Upper Great Lakes Plain
1992-1994
Melinda Knutson
1
Inventory | List of Points with Coodinates

Studies


Study name:
  Start year:1992
  Purpose:
  Field Method:5,10min w/ 25,50,>50m
  Surveys:
Survey yearPoints surveyedSurveys
1992 350 1.12 per point
1993 373 1.01 per point
1994 482 1.06 per point