Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"agricultural tillage"”.
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SAGE-GROUSE AND THE HUMAN FOOTPRINT: IMPLICATIONS FOR CONSERVATION OF SMALL AND DECLINING POPULATIONS
… populations impacted by the increasing extent of agricultural tillage, roads, and energy development out to spatial scales larger than previously known. Using bird abundance as a novel way to evaluate human impacts revealed relationships that would have been missed had we not incorporated lek size …
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SAGE-GROUSE AND THE HUMAN FOOTPRINT: IMPLICATIONS FOR CONSERVATION OF SMALL AND DECLINING POPULATIONS
… populations impacted by the increasing extent of agricultural tillage, roads, and energy development out to spatial scales larger than previously known. Using bird abundance as a novel way to evaluate human impacts revealed relationships that would have been missed had we not incorporated lek size …
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MALLARD NESTING ECOLOGY IN THE GREAT LAKES
… in forested landscapes (21.7 - 24.7%) than in agricultural environments (10.1 – 16.5%). Mallard nest survival was higher for older females than for second-year birds, and probability of hatching increased with nest age. Concealment within 2 m of a nest increased nest DSR, and amount of tillage …
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MALLARD NESTING ECOLOGY IN THE GREAT LAKES
… in forested landscapes (21.7 - 24.7%) than in agricultural environments (10.1 – 16.5%). Mallard nest survival was higher for older females than for second-year birds, and probability of hatching increased with nest age. Concealment within 2 m of a nest increased nest DSR, and amount of tillage …