Temporal variability in production is not consistently affected by global change drivers across herbaceous-dominated ecosystems
Understanding how global change drivers (GCDs) affect aboveground net primary production (ANPP) through time is essential to predicting the reliability and maintenance of ecosystem function and services in the future. While GCDs, such as drought, warming and elevated nutrients, are known to affect m...
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| Veröffentlicht in: | Oecologia 2020-12, Vol.194 (4), p.735-744 |
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| creator | Avolio, Meghan L. Wilcox, Kevin R. Komatsu, Kimberly J. Lemoine, Nathan Bowman, William D. Collins, Scott L. Knapp, Alan K. Koerner, Sally E. Smith, Melinda D. Baer, Sara G. Gross, Katherine L. Isbell, Forest McLaren, Jennie Reich, Peter B. Suding, Katharine N. Suttle, K. Blake Tilman, David Xu, Zhuwen Yu, Qiang |
| description | Understanding how global change drivers (GCDs) affect aboveground net primary production (ANPP) through time is essential to predicting the reliability and maintenance of ecosystem function and services in the future. While GCDs, such as drought, warming and elevated nutrients, are known to affect mean ANPP, less is known about how they affect inter-annual variability in ANPP. We examined 27 global change experiments located in 11 different herbaceous ecosystems that varied in both abiotic and biotic conditions, to investigate changes in the mean and temporal variability of ANPP (measured as the coefficient of variation) in response to different GCD manipulations, including resource additions, warming, and irrigation. From this comprehensive data synthesis, we found that GCD treatments increased mean ANPP. However, GCD manipulations both increased and decreased temporal variability of ANPP (24% of comparisons), with no net effect overall. These inconsistent effects on temporal variation in ANPP can, in part, be attributed to site characteristics, such as mean annual precipitation and temperature as well as plant community evenness. For example, decreases in temporal variability in ANPP with the GCD treatments occurred in wetter and warmer sites with lower plant community evenness. Further, the addition of several nutrients simultaneously increased the sensitivity of ANPP to interannual variation in precipitation. Based on this analysis, we expect that GCDs will likely affect the magnitude more than the reliability over time of ecosystem production in the future. |
| doi_str_mv | 10.1007/s00442-020-04787-6 |
| format | Article |
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We examined 27 global change experiments located in 11 different herbaceous ecosystems that varied in both abiotic and biotic conditions, to investigate changes in the mean and temporal variability of ANPP (measured as the coefficient of variation) in response to different GCD manipulations, including resource additions, warming, and irrigation. From this comprehensive data synthesis, we found that GCD treatments increased mean ANPP. However, GCD manipulations both increased and decreased temporal variability of ANPP (24% of comparisons), with no net effect overall. These inconsistent effects on temporal variation in ANPP can, in part, be attributed to site characteristics, such as mean annual precipitation and temperature as well as plant community evenness. For example, decreases in temporal variability in ANPP with the GCD treatments occurred in wetter and warmer sites with lower plant community evenness. Further, the addition of several nutrients simultaneously increased the sensitivity of ANPP to interannual variation in precipitation. 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Blake</creatorcontrib><creatorcontrib>Tilman, David</creatorcontrib><creatorcontrib>Xu, Zhuwen</creatorcontrib><creatorcontrib>Yu, Qiang</creatorcontrib><title>Temporal variability in production is not consistently affected by global change drivers across herbaceous-dominated ecosystems</title><title>Oecologia</title><addtitle>Oecologia</addtitle><addtitle>OECOLOGIA</addtitle><addtitle>Oecologia</addtitle><description>Understanding how global change drivers (GCDs) affect aboveground net primary production (ANPP) through time is essential to predicting the reliability and maintenance of ecosystem function and services in the future. While GCDs, such as drought, warming and elevated nutrients, are known to affect mean ANPP, less is known about how they affect inter-annual variability in ANPP. We examined 27 global change experiments located in 11 different herbaceous ecosystems that varied in both abiotic and biotic conditions, to investigate changes in the mean and temporal variability of ANPP (measured as the coefficient of variation) in response to different GCD manipulations, including resource additions, warming, and irrigation. From this comprehensive data synthesis, we found that GCD treatments increased mean ANPP. However, GCD manipulations both increased and decreased temporal variability of ANPP (24% of comparisons), with no net effect overall. These inconsistent effects on temporal variation in ANPP can, in part, be attributed to site characteristics, such as mean annual precipitation and temperature as well as plant community evenness. For example, decreases in temporal variability in ANPP with the GCD treatments occurred in wetter and warmer sites with lower plant community evenness. Further, the addition of several nutrients simultaneously increased the sensitivity of ANPP to interannual variation in precipitation. 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Blake</au><au>Tilman, David</au><au>Xu, Zhuwen</au><au>Yu, Qiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Temporal variability in production is not consistently affected by global change drivers across herbaceous-dominated ecosystems</atitle><jtitle>Oecologia</jtitle><stitle>Oecologia</stitle><stitle>OECOLOGIA</stitle><addtitle>Oecologia</addtitle><date>2020-12-01</date><risdate>2020</risdate><volume>194</volume><issue>4</issue><spage>735</spage><epage>744</epage><pages>735-744</pages><issn>0029-8549</issn><eissn>1432-1939</eissn><abstract>Understanding how global change drivers (GCDs) affect aboveground net primary production (ANPP) through time is essential to predicting the reliability and maintenance of ecosystem function and services in the future. While GCDs, such as drought, warming and elevated nutrients, are known to affect mean ANPP, less is known about how they affect inter-annual variability in ANPP. We examined 27 global change experiments located in 11 different herbaceous ecosystems that varied in both abiotic and biotic conditions, to investigate changes in the mean and temporal variability of ANPP (measured as the coefficient of variation) in response to different GCD manipulations, including resource additions, warming, and irrigation. From this comprehensive data synthesis, we found that GCD treatments increased mean ANPP. However, GCD manipulations both increased and decreased temporal variability of ANPP (24% of comparisons), with no net effect overall. These inconsistent effects on temporal variation in ANPP can, in part, be attributed to site characteristics, such as mean annual precipitation and temperature as well as plant community evenness. For example, decreases in temporal variability in ANPP with the GCD treatments occurred in wetter and warmer sites with lower plant community evenness. 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| ispartof | Oecologia, 2020-12, Vol.194 (4), p.735-744 |
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| language | eng |
| recordid | cdi_gale_infotracacademiconefile_A651084777 |
| source | MEDLINE; SpringerNature Journals; JSTOR Archive Collection A-Z Listing; Web of Science - Science Citation Index Expanded - 2020<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /> |
| subjects | Analysis Annual precipitation Annual variations Automobile drivers Biomedical and Life Sciences Coefficient of variation Drought Droughts Ecological function Ecology Ecosystem ECOSYSTEM ECOLOGY - ORIGINAL RESEARCH Ecosystems Environmental Sciences & Ecology Herbivores Hydrology/Water Resources Life Sciences Life Sciences & Biomedicine Mineral nutrients Net Primary Productivity Nutrients Plant communities Plant Sciences Plants Poaceae Precipitation Precipitation variability Predictive maintenance Primary production Rain Reliability Reproducibility of Results Science & Technology Temporal variations Variability |
| title | Temporal variability in production is not consistently affected by global change drivers across herbaceous-dominated ecosystems |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-14T17%3A15%3A47IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_pubme&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Temporal%20variability%20in%20production%20is%20not%20consistently%20affected%20by%20global%20change%20drivers%20across%20herbaceous-dominated%20ecosystems&rft.jtitle=Oecologia&rft.au=Avolio,%20Meghan%20L.&rft.date=2020-12-01&rft.volume=194&rft.issue=4&rft.spage=735&rft.epage=744&rft.pages=735-744&rft.issn=0029-8549&rft.eissn=1432-1939&rft_id=info:doi/10.1007/s00442-020-04787-6&rft_dat=%3Cgale_pubme%3EA651084777%3C/gale_pubme%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2473372580&rft_id=info:pmid/33130915&rft_galeid=A651084777&rft_jstor_id=48696319&rfr_iscdi=true |