Effect of spatial differences in habitat on home ranges of grizzly bears
Between May 1995 and June 1999 we equipped 81 barren-ground grizzly bears (Ursus arctos) with satellite radio-collars within a study area of 235,000 km 2 , centred 400 km northeast of Yellowknife, Northwest Territories. We estimated 71 annual ranges of radio-tracked animals (≥ 38 locations year- 1 )...
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Veröffentlicht in: | Écoscience (Sainte-Foy) 2003-01, Vol.10 (1), p.11-16 |
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creator | Mcloughlin, Philip D. Cluff, H. Dean Gau, Robert J. Mulders, Robert J. Case, Ray Y. Messier, François |
description | Between May 1995 and June 1999 we equipped 81 barren-ground grizzly bears (Ursus arctos) with satellite radio-collars within a study area of 235,000 km
2
, centred 400 km northeast of Yellowknife, Northwest Territories. We estimated 71 annual ranges of radio-tracked animals (≥ 38 locations year-
1
) using the 95% fixed kernel technique with least squares cross-validation. Annual ranges of males ( x= 7,245 km
2
, SE = 1,158, n = 26) were larger than ranges of females (X= 2,100 km
2
, SE = 279, n = 45). Ranges increased in size as the proportional amount of exposed bedrock and other marginal habitats in the environment increased. Annual ranges are the largest reported for grizzly bears in North America. |
doi_str_mv | 10.1080/11956860.2003.11682744 |
format | Article |
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2
, centred 400 km northeast of Yellowknife, Northwest Territories. We estimated 71 annual ranges of radio-tracked animals (≥ 38 locations year-
1
) using the 95% fixed kernel technique with least squares cross-validation. Annual ranges of males ( x= 7,245 km
2
, SE = 1,158, n = 26) were larger than ranges of females (X= 2,100 km
2
, SE = 279, n = 45). Ranges increased in size as the proportional amount of exposed bedrock and other marginal habitats in the environment increased. Annual ranges are the largest reported for grizzly bears in North America.</description><identifier>ISSN: 1195-6860</identifier><identifier>EISSN: 2376-7626</identifier><identifier>DOI: 10.1080/11956860.2003.11682744</identifier><language>eng</language><publisher>Taylor & Francis</publisher><subject>1993 ; Arctic ; Arctique ; Bears ; Bedrock ; Domaine vital ; Fixed kernel ; Forest habitats ; Grizzly bear ; Grizzly bears ; Habitat ; Habitat selection ; Heathlands ; Home range ; Northwest Territories ; Ours grizzly ; Shrubs ; Territoires du Nord-Ouest ; Territories ; Ursus arctos ; Wildlife ecology ; Wildlife habitats ; Wilson & Reeder</subject><ispartof>Écoscience (Sainte-Foy), 2003-01, Vol.10 (1), p.11-16</ispartof><rights>Copyright 2003 Taylor and Francis Group LLC 2003</rights><rights>ÉCOSCIENCE</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-4b819fca2aea2b94a4c321098826264485cd05af6f98839bddc5bb96dde57c6f3</citedby><cites>FETCH-LOGICAL-c364t-4b819fca2aea2b94a4c321098826264485cd05af6f98839bddc5bb96dde57c6f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/42901502$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/42901502$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids></links><search><creatorcontrib>Mcloughlin, Philip D.</creatorcontrib><creatorcontrib>Cluff, H. Dean</creatorcontrib><creatorcontrib>Gau, Robert J.</creatorcontrib><creatorcontrib>Mulders, Robert J.</creatorcontrib><creatorcontrib>Case, Ray Y.</creatorcontrib><creatorcontrib>Messier, François</creatorcontrib><title>Effect of spatial differences in habitat on home ranges of grizzly bears</title><title>Écoscience (Sainte-Foy)</title><description>Between May 1995 and June 1999 we equipped 81 barren-ground grizzly bears (Ursus arctos) with satellite radio-collars within a study area of 235,000 km
2
, centred 400 km northeast of Yellowknife, Northwest Territories. We estimated 71 annual ranges of radio-tracked animals (≥ 38 locations year-
1
) using the 95% fixed kernel technique with least squares cross-validation. Annual ranges of males ( x= 7,245 km
2
, SE = 1,158, n = 26) were larger than ranges of females (X= 2,100 km
2
, SE = 279, n = 45). Ranges increased in size as the proportional amount of exposed bedrock and other marginal habitats in the environment increased. Annual ranges are the largest reported for grizzly bears in North America.</description><subject>1993</subject><subject>Arctic</subject><subject>Arctique</subject><subject>Bears</subject><subject>Bedrock</subject><subject>Domaine vital</subject><subject>Fixed kernel</subject><subject>Forest habitats</subject><subject>Grizzly bear</subject><subject>Grizzly bears</subject><subject>Habitat</subject><subject>Habitat selection</subject><subject>Heathlands</subject><subject>Home range</subject><subject>Northwest Territories</subject><subject>Ours grizzly</subject><subject>Shrubs</subject><subject>Territoires du Nord-Ouest</subject><subject>Territories</subject><subject>Ursus arctos</subject><subject>Wildlife ecology</subject><subject>Wildlife habitats</subject><subject>Wilson & Reeder</subject><issn>1195-6860</issn><issn>2376-7626</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkE9LwzAYh4MoOKcfQenJW2f-NzmOMZ0w8KLnkKbJzOiamXTI9ulNqfPqKeH9Pb-84QHgAcEZggI-ISQZFxzOMIRkhhAXuKL0AkwwqXhZccwvwWSAyoG6BjcpbSHEkkE4Aaulc9b0RXBF2uve67ZofB5F2xmbCt8Vn7r2vc5EvoadLaLuNjnJhU30p1N7LGqrY7oFV063yd79nlPw8bx8X6zK9dvL62K-Lg3htC9pLZB0RmNtNa4l1dQQjKAUAuePUiqYaSDTjrs8IrJuGsPqWvKmsawy3JEpeBzf3cfwdbCpVzufjG1b3dlwSAqJihEJqwzyETQxpBStU_vodzoeFYJqEKfO4tQgTp3F5eL9WNymPsS_FsUSIgZxzudj7jsX4k5_h9g2qtfHNkSX7RifFPlnxw-tfX6r</recordid><startdate>20030101</startdate><enddate>20030101</enddate><creator>Mcloughlin, Philip D.</creator><creator>Cluff, H. Dean</creator><creator>Gau, Robert J.</creator><creator>Mulders, Robert J.</creator><creator>Case, Ray Y.</creator><creator>Messier, François</creator><general>Taylor & Francis</general><general>Université Laval</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>C1K</scope></search><sort><creationdate>20030101</creationdate><title>Effect of spatial differences in habitat on home ranges of grizzly bears</title><author>Mcloughlin, Philip D. ; Cluff, H. Dean ; Gau, Robert J. ; Mulders, Robert J. ; Case, Ray Y. ; Messier, François</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-4b819fca2aea2b94a4c321098826264485cd05af6f98839bddc5bb96dde57c6f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>1993</topic><topic>Arctic</topic><topic>Arctique</topic><topic>Bears</topic><topic>Bedrock</topic><topic>Domaine vital</topic><topic>Fixed kernel</topic><topic>Forest habitats</topic><topic>Grizzly bear</topic><topic>Grizzly bears</topic><topic>Habitat</topic><topic>Habitat selection</topic><topic>Heathlands</topic><topic>Home range</topic><topic>Northwest Territories</topic><topic>Ours grizzly</topic><topic>Shrubs</topic><topic>Territoires du Nord-Ouest</topic><topic>Territories</topic><topic>Ursus arctos</topic><topic>Wildlife ecology</topic><topic>Wildlife habitats</topic><topic>Wilson & Reeder</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mcloughlin, Philip D.</creatorcontrib><creatorcontrib>Cluff, H. Dean</creatorcontrib><creatorcontrib>Gau, Robert J.</creatorcontrib><creatorcontrib>Mulders, Robert J.</creatorcontrib><creatorcontrib>Case, Ray Y.</creatorcontrib><creatorcontrib>Messier, François</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Écoscience (Sainte-Foy)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mcloughlin, Philip D.</au><au>Cluff, H. Dean</au><au>Gau, Robert J.</au><au>Mulders, Robert J.</au><au>Case, Ray Y.</au><au>Messier, François</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of spatial differences in habitat on home ranges of grizzly bears</atitle><jtitle>Écoscience (Sainte-Foy)</jtitle><date>2003-01-01</date><risdate>2003</risdate><volume>10</volume><issue>1</issue><spage>11</spage><epage>16</epage><pages>11-16</pages><issn>1195-6860</issn><eissn>2376-7626</eissn><abstract>Between May 1995 and June 1999 we equipped 81 barren-ground grizzly bears (Ursus arctos) with satellite radio-collars within a study area of 235,000 km
2
, centred 400 km northeast of Yellowknife, Northwest Territories. We estimated 71 annual ranges of radio-tracked animals (≥ 38 locations year-
1
) using the 95% fixed kernel technique with least squares cross-validation. Annual ranges of males ( x= 7,245 km
2
, SE = 1,158, n = 26) were larger than ranges of females (X= 2,100 km
2
, SE = 279, n = 45). Ranges increased in size as the proportional amount of exposed bedrock and other marginal habitats in the environment increased. Annual ranges are the largest reported for grizzly bears in North America.</abstract><pub>Taylor & Francis</pub><doi>10.1080/11956860.2003.11682744</doi><tpages>6</tpages></addata></record> |
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subjects | 1993 Arctic Arctique Bears Bedrock Domaine vital Fixed kernel Forest habitats Grizzly bear Grizzly bears Habitat Habitat selection Heathlands Home range Northwest Territories Ours grizzly Shrubs Territoires du Nord-Ouest Territories Ursus arctos Wildlife ecology Wildlife habitats Wilson & Reeder |
title | Effect of spatial differences in habitat on home ranges of grizzly bears |
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