Excerpt from Population Studies of European Sparrows in North America: March 17, 1978 The purposes of this study were twofold: (1) to study the ecology of the tree sparrow in North America, and (2) to attempt to answer some of the questions raised by its very restricted range in North America. These questions can be stated in the following general form: (1) Are there competitive interactions between populations of the house sparrow and the tree sparrow in North America? (2) If so, what interactions may be involved in ...
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Excerpt from Population Studies of European Sparrows in North America: March 17, 1978 The purposes of this study were twofold: (1) to study the ecology of the tree sparrow in North America, and (2) to attempt to answer some of the questions raised by its very restricted range in North America. These questions can be stated in the following general form: (1) Are there competitive interactions between populations of the house sparrow and the tree sparrow in North America? (2) If so, what interactions may be involved in limiting the distribution of the tree sparrow? (3) If not, how are the two species partitioning their resource environment? To accomplish these objectives, I conducted concurrent population studies of the house Sparrow and the tree sparrow and examined resource utiliza tion patterns of the two species in areas of potential competition. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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