Partitioning the effects of an ecosystem engineer: kangaroo rats control community structure via multiple pathways
1. Ecosystem engineers impact communities by altering habitat conditions, but they can also have strong effects through consumptive, competitive and other non-engineering pathways. 2. Engineering effects can lead to fundamentally different community dynamics than non-engineering effects, but the rel...
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| Published in: | The Journal of animal ecology 2012-05, Vol.81 (3), p.667-678 |
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Partitioning the effects of an ecosystem engineer: kangaroo rats control community structure via multiple pathways |
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Prugh, Laura R. Brashares, Justin S. |
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Abundance Animal and plant ecology Animal ecology Animal, plant and microbial ecology Animals Behavior, Animal Biodiversity Biological and medical sciences Burrows California Communities Community ecology Community structure competition Dipodomys Dipodomys - physiology Dipodomys ingens Ecological engineering Ecosystem ecosystem engineer Ecosystem studies Engineering facilitation food web Fundamental and applied biological sciences. Psychology General aspects Grasses Grasslands Habitat habitat modification indirect effects Invertebrates Invertebrates - classification Invertebrates - physiology Kangaroos keystone species Lacertilia Mammalia Mathematical models Plant communities Plants Plants - classification Rats Rodents Species diversity Time Factors trophic effects Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution |
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The Journal of animal ecology, 2012-05, Vol.81 (3), p.667-678 |
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1. Ecosystem engineers impact communities by altering habitat conditions, but they can also have strong effects through consumptive, competitive and other non-engineering pathways. 2. Engineering effects can lead to fundamentally different community dynamics than non-engineering effects, but the relative strengths of these interactions are seldom quantified. 3. We combined structural equation modelling and exclosure experiments to partition the effects of a keystone engineer, the giant kangaroo rat (Dipodomys ingens), on plants, invertebrates and vertebrates in a semi-arid California grassland. 4. We separated the effects of burrow creation from kangaroo rat density and found that kangaroo rats increased the diversity and abundance of other species via both engineering and non-engineering pathways. 5. Engineering was the primary factor structuring plant and small mammal communities, whereas non-engineering effects structured invertebrate communities and increased lizard abundance. 6. These results highlight the importance of the non-engineering effects of ecosystem engineers and shed new light on the multiple pathways by which strong-interactors shape communities. |
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ISSN: 0021-8790 |
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Ecosystem engineers impact communities by altering habitat conditions, but they can also have strong effects through consumptive, competitive and other non-engineering pathways. 2. Engineering effects can lead to fundamentally different community dynamics than non-engineering effects, but the relative strengths of these interactions are seldom quantified. 3. We combined structural equation modelling and exclosure experiments to partition the effects of a keystone engineer, the giant kangaroo rat (Dipodomys ingens), on plants, invertebrates and vertebrates in a semi-arid California grassland. 4. We separated the effects of burrow creation from kangaroo rat density and found that kangaroo rats increased the diversity and abundance of other species via both engineering and non-engineering pathways. 5. Engineering was the primary factor structuring plant and small mammal communities, whereas non-engineering effects structured invertebrate communities and increased lizard abundance. 6. 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Psychology ; General aspects ; Grasses ; Grasslands ; Habitat ; habitat modification ; indirect effects ; Invertebrates ; Invertebrates - classification ; Invertebrates - physiology ; Kangaroos ; keystone species ; Lacertilia ; Mammalia ; Mathematical models ; Plant communities ; Plants ; Plants - classification ; Rats ; Rodents ; Species diversity ; Time Factors ; trophic effects ; Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><ispartof>The Journal of animal ecology, 2012-05, Vol.81 (3), p.667-678</ispartof><rights>2012 British Ecological Society</rights><rights>2011 The Authors. Journal of Animal Ecology © 2011 British Ecological Society</rights><rights>2015 INIST-CNRS</rights><rights>2011 The Authors. 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Ecosystem engineers impact communities by altering habitat conditions, but they can also have strong effects through consumptive, competitive and other non-engineering pathways. 2. Engineering effects can lead to fundamentally different community dynamics than non-engineering effects, but the relative strengths of these interactions are seldom quantified. 3. We combined structural equation modelling and exclosure experiments to partition the effects of a keystone engineer, the giant kangaroo rat (Dipodomys ingens), on plants, invertebrates and vertebrates in a semi-arid California grassland. 4. We separated the effects of burrow creation from kangaroo rat density and found that kangaroo rats increased the diversity and abundance of other species via both engineering and non-engineering pathways. 5. Engineering was the primary factor structuring plant and small mammal communities, whereas non-engineering effects structured invertebrate communities and increased lizard abundance. 6. These results highlight the importance of the non-engineering effects of ecosystem engineers and shed new light on the multiple pathways by which strong-interactors shape communities.</description><subject>Abundance</subject><subject>Animal and plant ecology</subject><subject>Animal ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Behavior, Animal</subject><subject>Biodiversity</subject><subject>Biological and medical sciences</subject><subject>Burrows</subject><subject>California</subject><subject>Communities</subject><subject>Community ecology</subject><subject>Community structure</subject><subject>competition</subject><subject>Dipodomys</subject><subject>Dipodomys - physiology</subject><subject>Dipodomys ingens</subject><subject>Ecological engineering</subject><subject>Ecosystem</subject><subject>ecosystem engineer</subject><subject>Ecosystem studies</subject><subject>Engineering</subject><subject>facilitation</subject><subject>food web</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>Grasses</subject><subject>Grasslands</subject><subject>Habitat</subject><subject>habitat modification</subject><subject>indirect effects</subject><subject>Invertebrates</subject><subject>Invertebrates - classification</subject><subject>Invertebrates - physiology</subject><subject>Kangaroos</subject><subject>keystone species</subject><subject>Lacertilia</subject><subject>Mammalia</subject><subject>Mathematical models</subject><subject>Plant communities</subject><subject>Plants</subject><subject>Plants - classification</subject><subject>Rats</subject><subject>Rodents</subject><subject>Species diversity</subject><subject>Time Factors</subject><subject>trophic effects</subject><subject>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><issn>0021-8790</issn><issn>1365-2656</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNkU1vEzEQhlcIREvhJ4AsJASXhLG9HzYHpKoqX6qAA5ytiTObOuzawfbS5t_jkBAkDghfxpIfPzOjt6oYhzkv5-V6zmXbzETbtHMBnM-Bawnz2zvV6fHhbnUKIPhMdRpOqgcprQGgEyDvVydCgFaNrE-r-BljdtkF7_yK5Wti1Pdkc2KhZ-gZ2ZC2KdPIyK-cJ4qv2Df0K4whsIiFs8HnGIZSx3HyLm9ZynGyeYrEfjhk4zRktxmIbTBf3-A2Pazu9TgkenSoZ9XXN5dfLt7Nrj69fX9xfjWzteIw472sG9UsuGq5WAjokGuk5ZJqrMVCNw1Kq6Betr3QjeRlH0BckgaNQNb28qx6vvduYvg-UcpmdMnSMKCnMCWjtdSgBLSFfPFPkgMoVXdN1xX06V_oOkzRlz2KT-jSXfICqT1kY0gpUm820Y0Yt8VkdgGatdnlZHY5mV2A5leA5rZ8fXLwT4uRlsePvxMrwLMDgMni0Ef01qU_XBlS1bIp3Os9d-MG2v73AObD-cfL3bUIHu8F65RDPApqXusWSoOfXQXBHA</recordid><startdate>201205</startdate><enddate>201205</enddate><creator>Prugh, Laura R.</creator><creator>Brashares, Justin S.</creator><general>Blackwell Publishing</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>201205</creationdate><title>Partitioning the effects of an ecosystem engineer: kangaroo rats control community structure via multiple pathways</title><author>Prugh, Laura R. ; Brashares, Justin S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4810-1f34585b18612b207a19aedde4a42b955a3c804d6f295319850aade909a0eccf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Abundance</topic><topic>Animal and plant ecology</topic><topic>Animal ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Behavior, Animal</topic><topic>Biodiversity</topic><topic>Biological and medical sciences</topic><topic>Burrows</topic><topic>California</topic><topic>Communities</topic><topic>Community ecology</topic><topic>Community structure</topic><topic>competition</topic><topic>Dipodomys</topic><topic>Dipodomys - physiology</topic><topic>Dipodomys ingens</topic><topic>Ecological engineering</topic><topic>Ecosystem</topic><topic>ecosystem engineer</topic><topic>Ecosystem studies</topic><topic>Engineering</topic><topic>facilitation</topic><topic>food web</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>Grasses</topic><topic>Grasslands</topic><topic>Habitat</topic><topic>habitat modification</topic><topic>indirect effects</topic><topic>Invertebrates</topic><topic>Invertebrates - classification</topic><topic>Invertebrates - physiology</topic><topic>Kangaroos</topic><topic>keystone species</topic><topic>Lacertilia</topic><topic>Mammalia</topic><topic>Mathematical models</topic><topic>Plant communities</topic><topic>Plants</topic><topic>Plants - classification</topic><topic>Rats</topic><topic>Rodents</topic><topic>Species diversity</topic><topic>Time Factors</topic><topic>trophic effects</topic><topic>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Prugh, Laura R.</creatorcontrib><creatorcontrib>Brashares, Justin S.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of animal ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Prugh, Laura R.</au><au>Brashares, Justin S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Partitioning the effects of an ecosystem engineer: kangaroo rats control community structure via multiple pathways</atitle><jtitle>The Journal of animal ecology</jtitle><addtitle>J Anim Ecol</addtitle><date>2012-05</date><risdate>2012</risdate><volume>81</volume><issue>3</issue><spage>667</spage><epage>678</epage><pages>667-678</pages><issn>0021-8790</issn><eissn>1365-2656</eissn><coden>JAECAP</coden><notes>ObjectType-Article-2</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-1</notes><notes>content type line 23</notes><notes>ObjectType-Article-1</notes><notes>ObjectType-Feature-2</notes><abstract>1. Ecosystem engineers impact communities by altering habitat conditions, but they can also have strong effects through consumptive, competitive and other non-engineering pathways. 2. Engineering effects can lead to fundamentally different community dynamics than non-engineering effects, but the relative strengths of these interactions are seldom quantified. 3. We combined structural equation modelling and exclosure experiments to partition the effects of a keystone engineer, the giant kangaroo rat (Dipodomys ingens), on plants, invertebrates and vertebrates in a semi-arid California grassland. 4. We separated the effects of burrow creation from kangaroo rat density and found that kangaroo rats increased the diversity and abundance of other species via both engineering and non-engineering pathways. 5. Engineering was the primary factor structuring plant and small mammal communities, whereas non-engineering effects structured invertebrate communities and increased lizard abundance. 6. These results highlight the importance of the non-engineering effects of ecosystem engineers and shed new light on the multiple pathways by which strong-interactors shape communities.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing</pub><pmid>22098534</pmid><doi>10.1111/j.1365-2656.2011.01930.x</doi><tpages>12</tpages></addata></record> |