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Emily Silverman & Kimberly Hall

Territory size and establishment in breeding forest songbirds: Implications for forest management and conservation. Emily Silverman & Kimberly Hall. Project objectives. Develop accurate quantitative methods to measure the size and boundaries of breeding territories

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Emily Silverman & Kimberly Hall

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  1. Territory size and establishment in breeding forest songbirds: Implications for forest management and conservation Emily Silverman & Kimberly Hall

  2. Project objectives • Develop accurate quantitative methods to measure the size and boundaries of breeding territories • Investigate factors affecting the relationship between micro-habitat features, territoriality, and breeding densities

  3. Species richness of breeding neotropical migrant songbirds Isoclines of breeding neotropical migrant diversity Source: Price 1995 Source: Price et al. 1995

  4. Thinned hardwoods in the Hiawatha National Forest Lightly-browsed Heavily-browsed

  5. Understory vegetation Warbler use Yrs • 0 • 1 • 2 • 3 • 4 •  40% firs  1.5 m hgt

  6. Observations of singing males 1999 1300 m

  7. Methods • Simulation model of bird movement & sampling strategies • Territory mapping of 3 species with different patterns of micro-habitat use • Vegetation mapping and measurement • Observation of timing and location of spring arrivals

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