{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T06:56:46Z","timestamp":1790751406340,"version":"4.1.0"},"reference-count":89,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T00:00:00Z","timestamp":1790726400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Plant Sci."],"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Seasonal snow significantly regulates vegetation productivity on the Tibetan Plateau (TP), but its pathways and seasonal effects remain unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Using multi-source remote sensing datasets and long-term field observations, this study employed a structural equation model to disentangle the dual-pathway regulatory mechanisms\u2014specifically the soil moisture and growing-season effects\u2014through which snow influences net primary productivity (NPP) across spring and summer on the TP.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Snow regulation of vegetation NPP exhibited significant seasonal and spatial differentiation. Spring (March-May) NPP was primarily influenced by the growing-season effect (GS effect), where changes in snow depth were linked to shifts in the start of the growing season (SOS), thereby modulating NPP; this relationship intensified with increasing elevation. In contrast, summer (June-August) NPP was primarily influenced by the soil moisture effect, whereby increased\/decreased snow depth was associated with increased\/decreased soil moisture, which may subsequently contribute to higher\/lower NPP. However, this effect weakened with elevation and even became negative above 4500 meters. Spatially, the total effect of snow depth on summer NPP was positive in the semi-humid central and eastern TP, but negative in the semi-arid southwestern TP.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>These seasonal and spatial variations highlight the importance of accounting for climatic and altitudinal modulation in carbon cycle models, providing vital insights into alpine ecosystem responses to ongoing climate change.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpls.2026.1944350","type":"journal-article","created":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T06:06:03Z","timestamp":1790748363000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Seasonal and regional divergence in snow-regulated early-season vegetation productivity on the Tibetan Plateau"],"prefix":"10.3389","volume":"17","author":[{"given":"Qianqian","family":"Ma","sequence":"first","affiliation":[{"name":"College of Ecology and Environment, Key Laboratory of Oasis Ecology of Education Ministry, Xinjiang University","place":["Urumqi, China"]},{"name":"Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences","place":["Urumqi, China"]},{"name":"State Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands","place":["Urumqi, China"]},{"name":"Cele National Station of Observation and Research for Desert Grassland Ecosystems","place":["Urumqi, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiangyi","family":"Li","sequence":"additional","affiliation":[{"name":"Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences","place":["Urumqi, China"]},{"name":"State Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands","place":["Urumqi, China"]},{"name":"Cele National Station of Observation and Research for Desert Grassland Ecosystems","place":["Urumqi, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ji","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences","place":["Xi\u2019an, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qilong","family":"Tian","sequence":"additional","affiliation":[{"name":"College of Ecology and Environment, Key Laboratory of Oasis Ecology of Education Ministry, Xinjiang University","place":["Urumqi, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhaobin","family":"Mu","sequence":"additional","affiliation":[{"name":"Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences","place":["Urumqi, China"]},{"name":"State Key Laboratory of Ecological Safety and Sustainable Development in Arid Lands","place":["Urumqi, China"]},{"name":"Cele National Station of Observation and Research for Desert Grassland Ecosystems","place":["Urumqi, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,9,30]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"156","DOI":"10.1111\/1365-2745.14023","article-title":"Higher\u2010latitude spring\u2010flowering herbs advance their phenology more than trees with warming temperatures","volume":"111","author":"Alecrim","year":"2023","journal-title":"J. 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