Winter Use of Douglas-Fir Forests by Blue Grouse in Colorado
We studied winter use of Douglas-fir (Pseudotsuga menziesii) forests by blue grouse (Dendragapus obscurus) from 1981 to 1983 at 2 study areas in northcentral Colorado. Comparisons of used and available stands indicated grouse were concentrated spatially, but there were no consistent differences rela...
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| Veröffentlicht in: | The Journal of wildlife management 1990-07, Vol.54 (3), p.471-479 |
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| container_title | The Journal of wildlife management |
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| creator | Cade, Brian S. Hoffman, Richard W. |
| description | We studied winter use of Douglas-fir (Pseudotsuga menziesii) forests by blue grouse (Dendragapus obscurus) from 1981 to 1983 at 2 study areas in northcentral Colorado. Comparisons of used and available stands indicated grouse were concentrated spatially, but there were no consistent differences related to basal area of tree species, conifer stem densities, and topography that were common to both areas. Blue grouse used dense (2,000 stems/ha) second growth (40-75 yr old), open to dense (200-1,900 stems/ha) mature (100-200 yr old), and open ( |
| doi_str_mv | 10.2307/3809661 |
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Comparisons of used and available stands indicated grouse were concentrated spatially, but there were no consistent differences related to basal area of tree species, conifer stem densities, and topography that were common to both areas. Blue grouse used dense (2,000 stems/ha) second growth (40-75 yr old), open to dense (200-1,900 stems/ha) mature (100-200 yr old), and open (<100 stems/ha) old-growth (200-600 yr old) stands. Stands used were composed of Douglas-fir alone or in association with subalpine fir (Abies lasiocarpa), Engelmann spruce (Picea engelmannii), lodgepole pine (Pinus contorta), limber pine (P. flexilis), Rocky Mountain juniper (Juniperus scopulorum), and quaking aspen (Populus tremuloides). Grouse used stands on mesic northern and eastern aspects, on xeric southern and western aspects, at elevations of 2,530-2,960 m, and on slopes of 1-45°. Preferential use (P < 0.05) of Douglas-fir trees occurred within stands that had an abundance of limber pine (use = availability) and subalpine fir (use < availability). Large Douglas-fir (20-90 cm dbh) were preferred (P < 0.05) within stands that had an abundance of smaller (≤15 cm dbh) trees. Both sexes used similar trees.</description><identifier>ISSN: 0022-541X</identifier><identifier>EISSN: 1937-2817</identifier><identifier>DOI: 10.2307/3809661</identifier><identifier>CODEN: JWMAA9</identifier><language>eng</language><publisher>Bethesda, MD: The Wildlife Society</publisher><subject>Animal and plant ecology ; Animal behavior ; Animal, plant and microbial ecology ; Animals ; Autoecology ; Aves ; Biological and medical sciences ; Birds ; Coniferous forests ; Conifers ; Dendragapus obscurus ; Forest habitats ; Forest stands ; Fundamental and applied biological sciences. Psychology ; Grouse ; Habitat preferences ; Pseudotsuga menziesii ; Street trees ; Topographical aspect ; Topographical elevation ; Vertebrata ; Wildlife</subject><ispartof>The Journal of wildlife management, 1990-07, Vol.54 (3), p.471-479</ispartof><rights>Copyright 1990 The Wildlife Society</rights><rights>1991 INIST-CNRS</rights><rights>Copyright Wildlife Society Jul 1990</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-1fe857d4ed939d9059cb14b508cac1d426adbd433cea2da36dfbdee07f19ad463</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3809661$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3809661$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27922,27923,58015,58248</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19564745$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Cade, Brian S.</creatorcontrib><creatorcontrib>Hoffman, Richard W.</creatorcontrib><title>Winter Use of Douglas-Fir Forests by Blue Grouse in Colorado</title><title>The Journal of wildlife management</title><description>We studied winter use of Douglas-fir (Pseudotsuga menziesii) forests by blue grouse (Dendragapus obscurus) from 1981 to 1983 at 2 study areas in northcentral Colorado. Comparisons of used and available stands indicated grouse were concentrated spatially, but there were no consistent differences related to basal area of tree species, conifer stem densities, and topography that were common to both areas. Blue grouse used dense (2,000 stems/ha) second growth (40-75 yr old), open to dense (200-1,900 stems/ha) mature (100-200 yr old), and open (<100 stems/ha) old-growth (200-600 yr old) stands. Stands used were composed of Douglas-fir alone or in association with subalpine fir (Abies lasiocarpa), Engelmann spruce (Picea engelmannii), lodgepole pine (Pinus contorta), limber pine (P. flexilis), Rocky Mountain juniper (Juniperus scopulorum), and quaking aspen (Populus tremuloides). Grouse used stands on mesic northern and eastern aspects, on xeric southern and western aspects, at elevations of 2,530-2,960 m, and on slopes of 1-45°. Preferential use (P < 0.05) of Douglas-fir trees occurred within stands that had an abundance of limber pine (use = availability) and subalpine fir (use < availability). Large Douglas-fir (20-90 cm dbh) were preferred (P < 0.05) within stands that had an abundance of smaller (≤15 cm dbh) trees. Both sexes used similar trees.</description><subject>Animal and plant ecology</subject><subject>Animal behavior</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Autoecology</subject><subject>Aves</subject><subject>Biological and medical sciences</subject><subject>Birds</subject><subject>Coniferous forests</subject><subject>Conifers</subject><subject>Dendragapus obscurus</subject><subject>Forest habitats</subject><subject>Forest stands</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Grouse</subject><subject>Habitat preferences</subject><subject>Pseudotsuga menziesii</subject><subject>Street trees</subject><subject>Topographical aspect</subject><subject>Topographical elevation</subject><subject>Vertebrata</subject><subject>Wildlife</subject><issn>0022-541X</issn><issn>1937-2817</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><recordid>eNp10E1LwzAcBvAgCs4pfoUgvpyq-eelacDLnG4KAy8OvZU0SaWja2bSHvbtjWwgCJ6ey4-HhwehcyC3lBF5xwqi8hwO0AgUkxktQB6iESGUZoLDxzE6iXFFCAMo8hG6f2-63gW8jA77Gj_64bPVMZs1Ac98cLGPuNrih3ZweB78kFTT4alvfdDWn6KjWrfRne1zjJazp7fpc7Z4nb9MJ4vMME76DGpXCGm5s4opq4hQpgJeCVIYbcBymmtbWc6YcZpazXJbV9Y5ImtQ2vKcjdH1rncT_NeQRpXrJhrXtrpzaVMJQoKgDBK8-ANXfghd2lZSxilJv8iEbnbIBB9jcHW5Cc1ah20JpPy5sNxfmOTVvk5Ho9s66M408ZcrkXPJRXKXO7eKvQ__1n0DpzZ5oA</recordid><startdate>19900701</startdate><enddate>19900701</enddate><creator>Cade, Brian S.</creator><creator>Hoffman, Richard W.</creator><general>The Wildlife Society</general><general>Wildlife Society</general><general>Blackwell Publishing Ltd</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7U6</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>19900701</creationdate><title>Winter Use of Douglas-Fir Forests by Blue Grouse in Colorado</title><author>Cade, Brian S. ; Hoffman, Richard W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-1fe857d4ed939d9059cb14b508cac1d426adbd433cea2da36dfbdee07f19ad463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Animal and plant ecology</topic><topic>Animal behavior</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Autoecology</topic><topic>Aves</topic><topic>Biological and medical sciences</topic><topic>Birds</topic><topic>Coniferous forests</topic><topic>Conifers</topic><topic>Dendragapus obscurus</topic><topic>Forest habitats</topic><topic>Forest stands</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Grouse</topic><topic>Habitat preferences</topic><topic>Pseudotsuga menziesii</topic><topic>Street trees</topic><topic>Topographical aspect</topic><topic>Topographical elevation</topic><topic>Vertebrata</topic><topic>Wildlife</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cade, Brian S.</creatorcontrib><creatorcontrib>Hoffman, Richard W.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Sustainability Science Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>The Journal of wildlife management</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cade, Brian S.</au><au>Hoffman, Richard W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Winter Use of Douglas-Fir Forests by Blue Grouse in Colorado</atitle><jtitle>The Journal of wildlife management</jtitle><date>1990-07-01</date><risdate>1990</risdate><volume>54</volume><issue>3</issue><spage>471</spage><epage>479</epage><pages>471-479</pages><issn>0022-541X</issn><eissn>1937-2817</eissn><coden>JWMAA9</coden><abstract>We studied winter use of Douglas-fir (Pseudotsuga menziesii) forests by blue grouse (Dendragapus obscurus) from 1981 to 1983 at 2 study areas in northcentral Colorado. Comparisons of used and available stands indicated grouse were concentrated spatially, but there were no consistent differences related to basal area of tree species, conifer stem densities, and topography that were common to both areas. Blue grouse used dense (2,000 stems/ha) second growth (40-75 yr old), open to dense (200-1,900 stems/ha) mature (100-200 yr old), and open (<100 stems/ha) old-growth (200-600 yr old) stands. Stands used were composed of Douglas-fir alone or in association with subalpine fir (Abies lasiocarpa), Engelmann spruce (Picea engelmannii), lodgepole pine (Pinus contorta), limber pine (P. flexilis), Rocky Mountain juniper (Juniperus scopulorum), and quaking aspen (Populus tremuloides). Grouse used stands on mesic northern and eastern aspects, on xeric southern and western aspects, at elevations of 2,530-2,960 m, and on slopes of 1-45°. Preferential use (P < 0.05) of Douglas-fir trees occurred within stands that had an abundance of limber pine (use = availability) and subalpine fir (use < availability). Large Douglas-fir (20-90 cm dbh) were preferred (P < 0.05) within stands that had an abundance of smaller (≤15 cm dbh) trees. Both sexes used similar trees.</abstract><cop>Bethesda, MD</cop><pub>The Wildlife Society</pub><doi>10.2307/3809661</doi><tpages>9</tpages></addata></record> |
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| identifier | ISSN: 0022-541X |
| ispartof | The Journal of wildlife management, 1990-07, Vol.54 (3), p.471-479 |
| issn | 0022-541X 1937-2817 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_15715231 |
| source | JSTOR Archive Collection A-Z Listing |
| subjects | Animal and plant ecology Animal behavior Animal, plant and microbial ecology Animals Autoecology Aves Biological and medical sciences Birds Coniferous forests Conifers Dendragapus obscurus Forest habitats Forest stands Fundamental and applied biological sciences. Psychology Grouse Habitat preferences Pseudotsuga menziesii Street trees Topographical aspect Topographical elevation Vertebrata Wildlife |
| title | Winter Use of Douglas-Fir Forests by Blue Grouse in Colorado |
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