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THE DESCRIPTION OF HABITATS
A FORMAT FOR THE DESCRIPTION OF AVIAN
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acres activity Adams field adult analysis animal approach April and June avian Bobolink Cassin's Sparrows characteristics Cimarron Cimarron County classification clumps coleoptera density described Dickcissels distribution Eastern Meadowlark ecological ecologists Emlen factors Figure l7 Fitchburg area Fitchburg study area floristic flush foraged Grasshopper Sparrow grassland grassland birds grassland habitats ground habi habitat description habitat preferences habitat selection habitat utilization hemiptera Henslow's Sparrow hits of vegetation Kiichler Landmark pasture Lanyon Lark Sparrow leaf light intensity litter depth MacArthur McClain County McClain Plot measured meters method neglecta nest observations occur organization orthoptera percent cover perches physiognomic plant point samples population density principal breeding species quadrat recorded relationships sample units Savannah Sparrow shrubs sideoats grama singing sparse species breeding stem forb stimuli substrate Sutton symbols Table territory boundaries tion trees upland vege vegetation types vertical Vesper Sparrow Wisconsin woody vegetation