{"title":"记录频率对牛羊放牧时间估算的影响","authors":"H.K. Smith , J. Hodgson","doi":"10.1016/0304-3762(84)90029-4","DOIUrl":null,"url":null,"abstract":"<div><p>Length of time spent in an activity can be estimated by observations at fixed time-intervals. By illustration with 3 sets of data, this report shows that the formula proposed by Mullen et al. in 1980 substantially under-estimates the accuracy of estimation for grazing time.</p></div>","PeriodicalId":100106,"journal":{"name":"Applied Animal Ethology","volume":"11 3","pages":"Pages 229-236"},"PeriodicalIF":0.0000,"publicationDate":"1984-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0304-3762(84)90029-4","citationCount":"2","resultStr":"{\"title\":\"A note on the effect of recording frequency on the estimation of grazing time of cattle and sheep\",\"authors\":\"H.K. Smith , J. Hodgson\",\"doi\":\"10.1016/0304-3762(84)90029-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Length of time spent in an activity can be estimated by observations at fixed time-intervals. By illustration with 3 sets of data, this report shows that the formula proposed by Mullen et al. in 1980 substantially under-estimates the accuracy of estimation for grazing time.</p></div>\",\"PeriodicalId\":100106,\"journal\":{\"name\":\"Applied Animal Ethology\",\"volume\":\"11 3\",\"pages\":\"Pages 229-236\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1984-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0304-3762(84)90029-4\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Animal Ethology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0304376284900294\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Animal Ethology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0304376284900294","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A note on the effect of recording frequency on the estimation of grazing time of cattle and sheep
Length of time spent in an activity can be estimated by observations at fixed time-intervals. By illustration with 3 sets of data, this report shows that the formula proposed by Mullen et al. in 1980 substantially under-estimates the accuracy of estimation for grazing time.
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