Multiple scales of spatial heterogeneity control soil respiration responses to precipitation across a dryland rainfall gradient
Aims Soil respiration (R s ) is a major pathway for carbon release to the atmosphere. We explored variability in dryland R s response to rainfall pulses at multiple levels of spatial heterogeneity: 1) along a hyper-arid to arid rainfall gradient, 2) across soil surfaces that differ in stability and...
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| Veröffentlicht in: | Plant and soil 2020-08, Vol.453 (1-2), p.423-443 |
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| creator | Throop, H. L. Seely, M. K. Marufu, V. J. Summer Drylands Program Participants |
| description | Aims
Soil respiration (R
s
) is a major pathway for carbon release to the atmosphere. We explored variability in dryland R
s
response to rainfall pulses at multiple levels of spatial heterogeneity: 1) along a hyper-arid to arid rainfall gradient, 2) across soil surfaces that differ in stability and composition, and 3) among different geomorphic and vegetation patch types.
Methods
We measured in situ R
s
responses for 48 h following simulated rainfall pulses in the Namib Desert. Working across the rainfall gradient, we compared R
s
responses on two soil surfaces. Each soil surface had two vegetation/geomorphic patch types that differed in organic matter sources and transport processes, with one characterized by depositional inputs and one characterized by erosional losses.
Results
Soil respiration was highly responsive to rainfall pulses, although soil surfaces and patch types often exerted more control on R
s
than did rainfall pulses. Rainfall generally had proportionally greater influence on R
s
with higher annual rainfall. Greater R
s
occurred on stable than unstable soil surfaces and in depositional than erosional patch types.
Conclusions
Large differences in R
s
among rainfall zones, soil surfaces, and patch types point to the need to carefully consider multiple scales of spatial heterogeneity when interpreting dryland biogeochemical fluxes. |
| doi_str_mv | 10.1007/s11104-020-04614-0 |
| format | Article |
| fullrecord | <record><control><sourceid>gale_proqu</sourceid><recordid>TN_cdi_proquest_journals_2441386683</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><galeid>A635140795</galeid><sourcerecordid>A635140795</sourcerecordid><originalsourceid>FETCH-LOGICAL-c358t-ec469d77793413ea3b6b4789cfd9d66098216bfdf420a6c76cde1dec0db8748b3</originalsourceid><addsrcrecordid>eNp9UU1v3CAQRVUqdZP2D_SE1LNTMBjsYxS1TaVEuSRSbwjDeEtEwAX2sKf89U7WkXqrODAD783He4R85uySM6a_Vs45kx3rWcek4hi9Izs-aNENTKgzsmNM9B3T068P5LzWJ_aac7UjL3eH2MIagVZnI1SaF1pX24KN9Dc0KHkPCUI7UpdTKznSmkOkBeoaCsJyOsU5VeS2TNcCLqyhbV_WlVwrtdSXY7TJ02JDWmyMdF-sD5DaR_Ie8wqf3u4L8vj928P1TXd7_-Pn9dVt58Qwtg6cVJPXWk9CcgFWzGqWepzc4ievFJtG3GZe_CJ7ZpXTynngHhzz86jlOIsL8mWru5b85wC1mad8KAlbml5iyVGpUSDqckPtUQuDo-ZWrMPj4TmgALAEfL9SYuASxRyQ0G-E06IFFrOW8GzL0XBmXp0xmzMGnTEnZwxDkthIFcFpD-XfLP9h_QVqD5RI</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2441386683</pqid></control><display><type>article</type><title>Multiple scales of spatial heterogeneity control soil respiration responses to precipitation across a dryland rainfall gradient</title><source>SpringerNature Journals</source><source>JSTOR Archive Collection A-Z Listing</source><creator>Throop, H. L. ; Seely, M. K. ; Marufu, V. J. ; Summer Drylands Program Participants</creator><creatorcontrib>Throop, H. L. ; Seely, M. K. ; Marufu, V. J. ; Summer Drylands Program Participants</creatorcontrib><description>Aims
Soil respiration (R
s
) is a major pathway for carbon release to the atmosphere. We explored variability in dryland R
s
response to rainfall pulses at multiple levels of spatial heterogeneity: 1) along a hyper-arid to arid rainfall gradient, 2) across soil surfaces that differ in stability and composition, and 3) among different geomorphic and vegetation patch types.
Methods
We measured in situ R
s
responses for 48 h following simulated rainfall pulses in the Namib Desert. Working across the rainfall gradient, we compared R
s
responses on two soil surfaces. Each soil surface had two vegetation/geomorphic patch types that differed in organic matter sources and transport processes, with one characterized by depositional inputs and one characterized by erosional losses.
Results
Soil respiration was highly responsive to rainfall pulses, although soil surfaces and patch types often exerted more control on R
s
than did rainfall pulses. Rainfall generally had proportionally greater influence on R
s
with higher annual rainfall. Greater R
s
occurred on stable than unstable soil surfaces and in depositional than erosional patch types.
Conclusions
Large differences in R
s
among rainfall zones, soil surfaces, and patch types point to the need to carefully consider multiple scales of spatial heterogeneity when interpreting dryland biogeochemical fluxes.</description><identifier>ISSN: 0032-079X</identifier><identifier>EISSN: 1573-5036</identifier><identifier>DOI: 10.1007/s11104-020-04614-0</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Annual rainfall ; Arid lands ; Arid zones ; Aridity ; Biomedical and Life Sciences ; Ecology ; Fluxes ; Geomorphology ; Heterogeneity ; Life Sciences ; Measurement methods ; Organic matter ; Plant Physiology ; Plant Sciences ; Rain and rainfall ; Rainfall ; Regular Article ; Respiration ; Simulated rainfall ; Soil Science & Conservation ; Soil stability ; Soil surfaces ; Soils ; Spatial heterogeneity ; Surface stability ; Transport processes ; Vegetation</subject><ispartof>Plant and soil, 2020-08, Vol.453 (1-2), p.423-443</ispartof><rights>Springer Nature Switzerland AG 2020</rights><rights>COPYRIGHT 2020 Springer</rights><rights>Springer Nature Switzerland AG 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-ec469d77793413ea3b6b4789cfd9d66098216bfdf420a6c76cde1dec0db8748b3</citedby><cites>FETCH-LOGICAL-c358t-ec469d77793413ea3b6b4789cfd9d66098216bfdf420a6c76cde1dec0db8748b3</cites><orcidid>0000-0002-7963-4342</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11104-020-04614-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11104-020-04614-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Throop, H. L.</creatorcontrib><creatorcontrib>Seely, M. K.</creatorcontrib><creatorcontrib>Marufu, V. J.</creatorcontrib><creatorcontrib>Summer Drylands Program Participants</creatorcontrib><title>Multiple scales of spatial heterogeneity control soil respiration responses to precipitation across a dryland rainfall gradient</title><title>Plant and soil</title><addtitle>Plant Soil</addtitle><description>Aims
Soil respiration (R
s
) is a major pathway for carbon release to the atmosphere. We explored variability in dryland R
s
response to rainfall pulses at multiple levels of spatial heterogeneity: 1) along a hyper-arid to arid rainfall gradient, 2) across soil surfaces that differ in stability and composition, and 3) among different geomorphic and vegetation patch types.
Methods
We measured in situ R
s
responses for 48 h following simulated rainfall pulses in the Namib Desert. Working across the rainfall gradient, we compared R
s
responses on two soil surfaces. Each soil surface had two vegetation/geomorphic patch types that differed in organic matter sources and transport processes, with one characterized by depositional inputs and one characterized by erosional losses.
Results
Soil respiration was highly responsive to rainfall pulses, although soil surfaces and patch types often exerted more control on R
s
than did rainfall pulses. Rainfall generally had proportionally greater influence on R
s
with higher annual rainfall. Greater R
s
occurred on stable than unstable soil surfaces and in depositional than erosional patch types.
Conclusions
Large differences in R
s
among rainfall zones, soil surfaces, and patch types point to the need to carefully consider multiple scales of spatial heterogeneity when interpreting dryland biogeochemical fluxes.</description><subject>Annual rainfall</subject><subject>Arid lands</subject><subject>Arid zones</subject><subject>Aridity</subject><subject>Biomedical and Life Sciences</subject><subject>Ecology</subject><subject>Fluxes</subject><subject>Geomorphology</subject><subject>Heterogeneity</subject><subject>Life Sciences</subject><subject>Measurement methods</subject><subject>Organic matter</subject><subject>Plant Physiology</subject><subject>Plant Sciences</subject><subject>Rain and rainfall</subject><subject>Rainfall</subject><subject>Regular Article</subject><subject>Respiration</subject><subject>Simulated rainfall</subject><subject>Soil Science & Conservation</subject><subject>Soil stability</subject><subject>Soil surfaces</subject><subject>Soils</subject><subject>Spatial heterogeneity</subject><subject>Surface stability</subject><subject>Transport processes</subject><subject>Vegetation</subject><issn>0032-079X</issn><issn>1573-5036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9UU1v3CAQRVUqdZP2D_SE1LNTMBjsYxS1TaVEuSRSbwjDeEtEwAX2sKf89U7WkXqrODAD783He4R85uySM6a_Vs45kx3rWcek4hi9Izs-aNENTKgzsmNM9B3T068P5LzWJ_aac7UjL3eH2MIagVZnI1SaF1pX24KN9Dc0KHkPCUI7UpdTKznSmkOkBeoaCsJyOsU5VeS2TNcCLqyhbV_WlVwrtdSXY7TJ02JDWmyMdF-sD5DaR_Ie8wqf3u4L8vj928P1TXd7_-Pn9dVt58Qwtg6cVJPXWk9CcgFWzGqWepzc4ievFJtG3GZe_CJ7ZpXTynngHhzz86jlOIsL8mWru5b85wC1mad8KAlbml5iyVGpUSDqckPtUQuDo-ZWrMPj4TmgALAEfL9SYuASxRyQ0G-E06IFFrOW8GzL0XBmXp0xmzMGnTEnZwxDkthIFcFpD-XfLP9h_QVqD5RI</recordid><startdate>20200801</startdate><enddate>20200801</enddate><creator>Throop, H. L.</creator><creator>Seely, M. K.</creator><creator>Marufu, V. J.</creator><creator>Summer Drylands Program Participants</creator><general>Springer International Publishing</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7X2</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-7963-4342</orcidid></search><sort><creationdate>20200801</creationdate><title>Multiple scales of spatial heterogeneity control soil respiration responses to precipitation across a dryland rainfall gradient</title><author>Throop, H. L. ; Seely, M. K. ; Marufu, V. J. ; Summer Drylands Program Participants</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-ec469d77793413ea3b6b4789cfd9d66098216bfdf420a6c76cde1dec0db8748b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Annual rainfall</topic><topic>Arid lands</topic><topic>Arid zones</topic><topic>Aridity</topic><topic>Biomedical and Life Sciences</topic><topic>Ecology</topic><topic>Fluxes</topic><topic>Geomorphology</topic><topic>Heterogeneity</topic><topic>Life Sciences</topic><topic>Measurement methods</topic><topic>Organic matter</topic><topic>Plant Physiology</topic><topic>Plant Sciences</topic><topic>Rain and rainfall</topic><topic>Rainfall</topic><topic>Regular Article</topic><topic>Respiration</topic><topic>Simulated rainfall</topic><topic>Soil Science & Conservation</topic><topic>Soil stability</topic><topic>Soil surfaces</topic><topic>Soils</topic><topic>Spatial heterogeneity</topic><topic>Surface stability</topic><topic>Transport processes</topic><topic>Vegetation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Throop, H. L.</creatorcontrib><creatorcontrib>Seely, M. K.</creatorcontrib><creatorcontrib>Marufu, V. J.</creatorcontrib><creatorcontrib>Summer Drylands Program Participants</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Agricultural Science Collection</collection><collection>Biology Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Biological Science Collection</collection><collection>Agricultural Science Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Plant and soil</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Throop, H. L.</au><au>Seely, M. K.</au><au>Marufu, V. J.</au><au>Summer Drylands Program Participants</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multiple scales of spatial heterogeneity control soil respiration responses to precipitation across a dryland rainfall gradient</atitle><jtitle>Plant and soil</jtitle><stitle>Plant Soil</stitle><date>2020-08-01</date><risdate>2020</risdate><volume>453</volume><issue>1-2</issue><spage>423</spage><epage>443</epage><pages>423-443</pages><issn>0032-079X</issn><eissn>1573-5036</eissn><abstract>Aims
Soil respiration (R
s
) is a major pathway for carbon release to the atmosphere. We explored variability in dryland R
s
response to rainfall pulses at multiple levels of spatial heterogeneity: 1) along a hyper-arid to arid rainfall gradient, 2) across soil surfaces that differ in stability and composition, and 3) among different geomorphic and vegetation patch types.
Methods
We measured in situ R
s
responses for 48 h following simulated rainfall pulses in the Namib Desert. Working across the rainfall gradient, we compared R
s
responses on two soil surfaces. Each soil surface had two vegetation/geomorphic patch types that differed in organic matter sources and transport processes, with one characterized by depositional inputs and one characterized by erosional losses.
Results
Soil respiration was highly responsive to rainfall pulses, although soil surfaces and patch types often exerted more control on R
s
than did rainfall pulses. Rainfall generally had proportionally greater influence on R
s
with higher annual rainfall. Greater R
s
occurred on stable than unstable soil surfaces and in depositional than erosional patch types.
Conclusions
Large differences in R
s
among rainfall zones, soil surfaces, and patch types point to the need to carefully consider multiple scales of spatial heterogeneity when interpreting dryland biogeochemical fluxes.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s11104-020-04614-0</doi><tpages>21</tpages><orcidid>https://orcid.org/0000-0002-7963-4342</orcidid></addata></record> |
| fulltext | fulltext |
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| ispartof | Plant and soil, 2020-08, Vol.453 (1-2), p.423-443 |
| issn | 0032-079X 1573-5036 |
| language | eng |
| recordid | cdi_proquest_journals_2441386683 |
| source | SpringerNature Journals; JSTOR Archive Collection A-Z Listing |
| subjects | Annual rainfall Arid lands Arid zones Aridity Biomedical and Life Sciences Ecology Fluxes Geomorphology Heterogeneity Life Sciences Measurement methods Organic matter Plant Physiology Plant Sciences Rain and rainfall Rainfall Regular Article Respiration Simulated rainfall Soil Science & Conservation Soil stability Soil surfaces Soils Spatial heterogeneity Surface stability Transport processes Vegetation |
| title | Multiple scales of spatial heterogeneity control soil respiration responses to precipitation across a dryland rainfall gradient |
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