Granivores, exclosures, and seed banks: harvester ants and rodents in sagebrush-steppe
Experiments were conducted to assess the influences of granivores on the seed bank in sagebrush-steppe. Rodent and/or ant exclosures were established at two distances from five harvester ant mounds. Monthly soil samples were collected from the exclosures, and from open access areas at two distances...
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| Veröffentlicht in: | Journal of arid environments 2001-10, Vol.49 (2), p.343-355 |
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| container_title | Journal of arid environments |
| container_volume | 49 |
| creator | Anderson, Craig J. MacMahon, James A. |
| description | Experiments were conducted to assess the influences of granivores on the seed bank in sagebrush-steppe. Rodent and/or ant exclosures were established at two distances from five harvester ant mounds. Monthly soil samples were collected from the exclosures, and from open access areas at two distances to ascertain changes in the seed bank. Seed dish experiments were conducted monthly to establish a maximum seed removal rate. Rodents were trapped monthly. More seeds were recovered from rodent exclosures than from ant exclosures. Seed banks changed temporally and spatially, with more seeds recovered in September and at 6 m from mounds. Rodents removed seeds more rapidly from seed dishes than did ants. Ants removed more seeds from dishes closest to the nests. Rodents may have a larger impact on the local seed bank than harvester ants. Ant activities, other than seed consumption, may have more influence on vegetation. |
| doi_str_mv | 10.1006/jare.2000.0781 |
| format | Article |
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Rodent and/or ant exclosures were established at two distances from five harvester ant mounds. Monthly soil samples were collected from the exclosures, and from open access areas at two distances to ascertain changes in the seed bank. Seed dish experiments were conducted monthly to establish a maximum seed removal rate. Rodents were trapped monthly. More seeds were recovered from rodent exclosures than from ant exclosures. Seed banks changed temporally and spatially, with more seeds recovered in September and at 6 m from mounds. Rodents removed seeds more rapidly from seed dishes than did ants. Ants removed more seeds from dishes closest to the nests. Rodents may have a larger impact on the local seed bank than harvester ants. Ant activities, other than seed consumption, may have more influence on vegetation.</description><identifier>ISSN: 0140-1963</identifier><identifier>EISSN: 1095-922X</identifier><identifier>DOI: 10.1006/jare.2000.0781</identifier><identifier>CODEN: JAENDR</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Artemisia ; Biological and medical sciences ; Formicidae ; Fundamental and applied biological sciences. Psychology ; granivory ; harvester ants ; Rodentia ; rodents ; sagebrush steppe ; seed bank ; Synecology ; Terrestrial ecosystems</subject><ispartof>Journal of arid environments, 2001-10, Vol.49 (2), p.343-355</ispartof><rights>2001 Academic Press</rights><rights>2001 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c346t-bb1da6257952e560243c6a9570574320bfc4c4ff0054604554b806487a1f9b183</citedby><cites>FETCH-LOGICAL-c346t-bb1da6257952e560243c6a9570574320bfc4c4ff0054604554b806487a1f9b183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1006/jare.2000.0781$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1110703$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Anderson, Craig J.</creatorcontrib><creatorcontrib>MacMahon, James A.</creatorcontrib><title>Granivores, exclosures, and seed banks: harvester ants and rodents in sagebrush-steppe</title><title>Journal of arid environments</title><description>Experiments were conducted to assess the influences of granivores on the seed bank in sagebrush-steppe. Rodent and/or ant exclosures were established at two distances from five harvester ant mounds. Monthly soil samples were collected from the exclosures, and from open access areas at two distances to ascertain changes in the seed bank. Seed dish experiments were conducted monthly to establish a maximum seed removal rate. Rodents were trapped monthly. More seeds were recovered from rodent exclosures than from ant exclosures. Seed banks changed temporally and spatially, with more seeds recovered in September and at 6 m from mounds. Rodents removed seeds more rapidly from seed dishes than did ants. Ants removed more seeds from dishes closest to the nests. Rodents may have a larger impact on the local seed bank than harvester ants. Ant activities, other than seed consumption, may have more influence on vegetation.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Artemisia</subject><subject>Biological and medical sciences</subject><subject>Formicidae</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>granivory</subject><subject>harvester ants</subject><subject>Rodentia</subject><subject>rodents</subject><subject>sagebrush steppe</subject><subject>seed bank</subject><subject>Synecology</subject><subject>Terrestrial ecosystems</subject><issn>0140-1963</issn><issn>1095-922X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNp1kD1PwzAQhi0EEqWwMmdATCScEzsfbAhBQarEAojNcpwLdUmT4ksq-Pc4bSUmpjvpnnvPfhg75xBxgPR6qR1GMQBEkOX8gE04FDIs4vj9kE2ACwh5kSbH7IRoCcC5lMmEvc2cbu2mc0hXAX6bpqNh2-u2CgixCkrdftJNsNBug9Sj85OetmPXVTj2tg1If2DpBlqEHlmv8ZQd1bohPNvXKXt9uH-5ewznz7Onu9t5aBKR9mFZ8kqnscwKGaNMIRaJSXUhM5CZSGIoayOMqGsAKVIQUooyh1TkmeZ1UfI8mbLLXe7adV-Df59aWTLYNLrFbiDFc869hhGMdqBxHZHDWq2dXWn3ozioUZ8a9alRnxr1-YWLfbImo5vaazKW_rZ8bAaJx_Idhv6XG4tOkbHYGqysQ9OrqrP_XfgFewCCXw</recordid><startdate>20011001</startdate><enddate>20011001</enddate><creator>Anderson, Craig J.</creator><creator>MacMahon, James A.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>C1K</scope></search><sort><creationdate>20011001</creationdate><title>Granivores, exclosures, and seed banks: harvester ants and rodents in sagebrush-steppe</title><author>Anderson, Craig J. ; MacMahon, James A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c346t-bb1da6257952e560243c6a9570574320bfc4c4ff0054604554b806487a1f9b183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Artemisia</topic><topic>Biological and medical sciences</topic><topic>Formicidae</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>granivory</topic><topic>harvester ants</topic><topic>Rodentia</topic><topic>rodents</topic><topic>sagebrush steppe</topic><topic>seed bank</topic><topic>Synecology</topic><topic>Terrestrial ecosystems</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Anderson, Craig J.</creatorcontrib><creatorcontrib>MacMahon, James A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Journal of arid environments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Anderson, Craig J.</au><au>MacMahon, James A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Granivores, exclosures, and seed banks: harvester ants and rodents in sagebrush-steppe</atitle><jtitle>Journal of arid environments</jtitle><date>2001-10-01</date><risdate>2001</risdate><volume>49</volume><issue>2</issue><spage>343</spage><epage>355</epage><pages>343-355</pages><issn>0140-1963</issn><eissn>1095-922X</eissn><coden>JAENDR</coden><abstract>Experiments were conducted to assess the influences of granivores on the seed bank in sagebrush-steppe. Rodent and/or ant exclosures were established at two distances from five harvester ant mounds. Monthly soil samples were collected from the exclosures, and from open access areas at two distances to ascertain changes in the seed bank. Seed dish experiments were conducted monthly to establish a maximum seed removal rate. Rodents were trapped monthly. More seeds were recovered from rodent exclosures than from ant exclosures. Seed banks changed temporally and spatially, with more seeds recovered in September and at 6 m from mounds. Rodents removed seeds more rapidly from seed dishes than did ants. Ants removed more seeds from dishes closest to the nests. Rodents may have a larger impact on the local seed bank than harvester ants. Ant activities, other than seed consumption, may have more influence on vegetation.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1006/jare.2000.0781</doi><tpages>13</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0140-1963 |
| ispartof | Journal of arid environments, 2001-10, Vol.49 (2), p.343-355 |
| issn | 0140-1963 1095-922X |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Artemisia Biological and medical sciences Formicidae Fundamental and applied biological sciences. Psychology granivory harvester ants Rodentia rodents sagebrush steppe seed bank Synecology Terrestrial ecosystems |
| title | Granivores, exclosures, and seed banks: harvester ants and rodents in sagebrush-steppe |
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