{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,10]],"date-time":"2026-11-10T15:04:22Z","timestamp":1794323062549,"version":"4.9.0"},"reference-count":53,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2012,9,25]],"date-time":"2012-09-25T00:00:00Z","timestamp":1348531200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":1071,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100000923","name":"Australian Research Council","doi-asserted-by":"publisher","award":["FT100100779"],"award-info":[{"award-number":["FT100100779"]}],"id":[{"id":"10.13039\/501100000923","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["wiley.com"],"crossmark-restriction":true},"short-container-title":["New Phytologist"],"published-print":{"date-parts":[[2012,11]]},"abstract":"Summary<\/jats:title>\n \n \n \n \n Nitrogen (\n N<\/jats:styled-content>\n ) and phosphorus (\n P<\/jats:styled-content>\n ) are essential nutrients for primary producers and decomposers in terrestrial ecosystems. Although climate change affects terrestrial N cycling with important feedbacks to plant productivity and carbon sequestration, the impacts of climate change on the relative availability of\n N<\/jats:styled-content>\n with respect to\n P<\/jats:styled-content>\n remain highly uncertain.\n <\/jats:p>\n <\/jats:list-item>\n \n \n In a semiarid grassland in Wyoming,\n USA<\/jats:styled-content>\n , we studied the effects of atmospheric\n CO<\/jats:styled-content>\n 2<\/jats:sub>\n enrichment (to 600\u00a0ppmv) and warming (1.5\/3.0\u00b0C above ambient temperature during the day\/night) on plant, microbial and available soil pools of\n N<\/jats:styled-content>\n and P.\n <\/jats:p>\n <\/jats:list-item>\n \n \n Elevated\n CO<\/jats:styled-content>\n 2<\/jats:sub>\n increased\n P<\/jats:styled-content>\n availability to plants and microbes relative to that of\n N<\/jats:styled-content>\n , whereas warming reduced\n P<\/jats:styled-content>\n availability relative to\n N<\/jats:styled-content>\n . Across years and treatments, plant\n N<\/jats:styled-content>\n \u00a0:\u00a0\n P<\/jats:styled-content>\n ratios varied between 5 and 18 and were inversely related to soil moisture.\n <\/jats:p>\n <\/jats:list-item>\n \n \n Our results indicate that soil moisture is important in controlling\n P<\/jats:styled-content>\n supply from inorganic sources, causing reduced\n P<\/jats:styled-content>\n relative to\n N<\/jats:styled-content>\n availability during dry periods. Both wetter soil conditions under elevated\n CO<\/jats:styled-content>\n 2<\/jats:sub>\n and drier conditions with warming can further alter\n N<\/jats:styled-content>\n \u00a0:\u00a0\n P<\/jats:styled-content>\n . Although warming may alleviate N constraints under elevated\n CO<\/jats:styled-content>\n 2<\/jats:sub>\n , warming and drought can exacerbate\n P<\/jats:styled-content>\n constraints on plant growth and microbial activity in this semiarid grassland.\n <\/jats:p>\n <\/jats:list-item>\n <\/jats:list>\n <\/jats:p>","DOI":"10.1111\/j.1469-8137.2012.04349.x","type":"journal-article","created":{"date-parts":[[2012,9,25]],"date-time":"2012-09-25T16:24:35Z","timestamp":1348590275000},"page":"807-815","source":"Crossref","is-referenced-by-count":243,"title":["Climate change alters stoichiometry of phosphorus and nitrogen in a semiarid grassland"],"prefix":"10.1111","volume":"196","author":[{"given":"Feike A.","family":"Dijkstra","sequence":"first","affiliation":[{"name":"Department of Environmental Sciences The University of Sydney Eveleigh NSW 2015 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