{"title":"Annual reproduction patterns in populations of two sympatric species of Peromyscus","authors":"Lee C. Drickamer","doi":"10.1016/S0091-6773(78)91463-3","DOIUrl":null,"url":null,"abstract":"<div><p>Data on annual recruitment patterns were gathered for two sympatric species of <em>Peromyscus: P. leucopus noveboracensis</em> and <em>P. maniculatus gracilis</em>. One-hectare grids were trapped in a mixed deciduous forest in northwestern Massachusetts. Results for all four dependent variables (pregnancy, nonpregnancy, molting, and body weights) indicated a bimodal pattern of recruitment for <em>P. leucopus noveboracensis</em> and a unimodal pattern for <em>P. maniculatus gracilis</em>. Several alternative explanations involving recent sympatry of the two species and possible competition are discussed.</p></div>","PeriodicalId":75577,"journal":{"name":"Behavioral biology","volume":"23 3","pages":"Pages 405-408"},"PeriodicalIF":0.0000,"publicationDate":"1978-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0091-6773(78)91463-3","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Behavioral biology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0091677378914633","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
Data on annual recruitment patterns were gathered for two sympatric species of Peromyscus: P. leucopus noveboracensis and P. maniculatus gracilis. One-hectare grids were trapped in a mixed deciduous forest in northwestern Massachusetts. Results for all four dependent variables (pregnancy, nonpregnancy, molting, and body weights) indicated a bimodal pattern of recruitment for P. leucopus noveboracensis and a unimodal pattern for P. maniculatus gracilis. Several alternative explanations involving recent sympatry of the two species and possible competition are discussed.
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