Widening global variability in grassland biomass since the 1980s,Nature Ecology & Evolution

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Widening global variability in grassland biomass since the 1980s
Nature Ecology & Evolution ( IF 13.9 ) Pub Date : 2024-08-05 , DOI: 10.1038/s41559-024-02500-x
Andrew S MacDougall _{1,

2} , Ellen Esch ₁ , Qingqing Chen ₃ , Oliver Carroll ₁ , Colin Bonner ₁ , Timothy Ohlert ₄ , Matthias Siewert ₂ , John Sulik ₅ , Anna K Schweiger ₆ , Elizabeth T Borer ₇ , Dilip Naidu ₈ , Sumanta Bagchi ₈ , Yann Hautier ₉ , Peter Wilfahrt ₇ , Keith Larson ₂ , Johan Olofsson ₂ , Elsa Cleland ₁₀ , Ranjan Muthukrishnan ₁₁ , Lydia O'Halloran ₁₂ , Juan Alberti ₁₃ , T Michael Anderson ₁₄ , Carlos A Arnillas ₁₅ , Jonathan D Bakker ₁₆ , Isabel C Barrio ₁₇ , Lori Biederman ₁₈ , Elizabeth H Boughton ₁₉ , Lars A Brudvig ₂₀ , Martin Bruschetti ₁₃ , Yvonne Buckley ₂₁ , Miguel N Bugalho ₂₂ , Marc W Cadotte ₂₃ , Maria C Caldeira ₂₄ , Jane A Catford ₂₅ , Carla D'Antonio ₂₆ , Kendi Davies ₂₇ , Pedro Daleo ₁₃ , Christopher R Dickman ₂₈ , Ian Donohue ₂₁ , Mary Ellyn DuPre ₂₉ , Kenneth Elgersma ₃₀ , Nico Eisenhauer _{31,

32} , Anu Eskelinen _{31,

33,

34} , Catalina Estrada ₃₅ , Philip A Fay ₃₆ , Yanhao Feng ₃₇ , Daniel S Gruner ₃₈ , Nicole Hagenah ₃₉ , Sylvia Haider ₄₀ , W Stanley Harpole _{31,

33,

41} , Erika Hersch-Green ₄₂ , Anke Jentsch ₄₃ , Kevin Kirkman ₄₄ , Johannes M H Knops ₄₅ , Lauri Laanisto ₄₆ , Lucíola S Lannes ₄₇ , Ramesh Laungani ₄₈ , Ariuntsetseg Lkhagva ₄₉ , Petr Macek ₅₀ , Jason P Martina ₅₁ , Rebecca L McCulley ₅₂ , Brett Melbourne ₂₇ , Rachel Mitchell ₅₃ , Joslin L Moore _{54,

55,

56} , John W Morgan ₅₇ , Taofeek O Muraina _{51,

58} , Yujie Niu _{42,

59} , Meelis Pärtel ₆₀ , Pablo L Peri ₆₁ , Sally A Power ₆₂ , Jodi N Price ₆₃ , Suzanne M Prober ₆₄ , Zhengwei Ren ₆₅ , Anita C Risch ₆₆ , Nicholas G Smith ₆₇ , Grégory Sonnier ₁₉ , Rachel J Standish ₆₈ , Carly J Stevens ₆₉ , Michelle Tedder ₄₄ , Pedro Tognetti ₇₀ , G F Ciska Veen ₇₁ , Risto Virtanen ₃₄ , Glenda M Wardle ₂₈ , Elizabeth Waring ₇₂ , Amelia A Wolf ₇₃ , Laura Yahdjian ₇₀ , Eric W Seabloom ₇

Affiliation

Department of Integrative Biology, University of Guelph, Guelph, Ontario, Canada.
Department of Ecology and Environmental Sciences, Umeå University, Umeå, Sweden.
Institute of Ecology, College of Urban and Environmental Science, Peking University, Beijing, China.
Department of Biology, University of New Mexico, Albuquerque, NM, USA.
Department of Plant Agriculture, University of Guelph, Guelph, Ontario, Canada.
Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT, USA.
Department of Ecology, Evolution, and Behavior, University of Minnesota, Saint Paul, MN, USA.
Centre for Ecological Sciences, Indian Institute of Science, Bangalore, India.
Ecology and Biodiversity Group, Department of Biology, Utrecht University, Utrecht, The Netherlands.
Division of Biological Sciences, University of California, San Diego, San Diego, CA, USA.
Department of Biology, Boston University, Boston, MA, USA.
Baruch Institute of Coastal Ecology and Forest Science, Clemson University, Clemson, SC, USA.
Instituto de Investigaciones Marinas y Costeras (IIMyC) FCEyN, UNMdP-CONICET, Mar del Plata, Argentina.
Department of Biology, Wake Forest University, Winston-Salem, NC, USA.
Department of Physical and Environmental Sciences, University of Toronto-Scarborough, Toronto, Ontario, Canada.
School of Environmental and Forest Sciences, University of Washington, Seattle, WA, USA.
Faculty of Environmental and Forest Sciences, Agricultural University of Iceland, Reykjavik, Iceland.
Department of Ecology, Evolution, and Organismal Biology, Iowa State University, Ames, IA, USA.
Archbold Biological Station, Venus, FL, USA.
Department of Plant Biology and Program in Ecology, Evolution, and Behavior, Michigan State University, East Lansing, MI, USA.
Department of Zoology, School of Natural Sciences, Trinity College Dublin, Dublin, Ireland.
Centre for Applied Ecology, School of Agriculture, University of Lisbon, Lisbon, Portugal.
Department of Biological Sciences, University of Toronto-Scarborough, Toronto, Ontario, Canada.
Forest Research Centre, School of Agriculture, University of Lisbon, Lisbon, Portugal.
Department of Geography, King's College London, London, UK.
Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, Santa Barbara, CA, USA.
Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, USA.
School of Life and Environmental Sciences, University of Sydney, Camperdown, New South Wales, Australia.
MPG Ranch, Missoula, MT, USA.
University of Northern Iowa, Cedar Falls, IA, USA.
German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany.
Institute of Biology, Leipzig University, Leipzig, Germany.
Department of Physiological Diversity, Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany.
Department of Ecology and Genetics, University of Oulu, Oulu, Finland.
Department of Life Sciences, Imperial College London, Ascot, UK.
USDA-ARS Grassland Soil, and Water Research Laboratory, Temple, TX, USA.
College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China.
Department of Entomology, University of Maryland, College Park, MD, USA.
Department of Zoology & Entomology, University of Pretoria, Pretoria, South Africa.
Institute of Ecology, Leuphana University of Lüneburg, Lüneburg, Germany.
Martin Luther University Halle-Wittenberg, Halle (Saale), Germany.
Department of Biological Sciences, Michigan Technological University, Houghton, MI, USA.
Department of Disturbance Ecology, Bayreuth Center of Ecology and Environmental Research, University of Bayreuth, Bayreuth, Germany.
School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal, Durban, South Africa.
Department of Health and Environmental Sciences, Jiatong-Liverpool University, Suzhou, China.
Chair of Biodiversity and Nature Tourism, Estonian University of Life Sciences, Tartu, Estonia.
Department of Biology and Animal Sciences, Sao Paulo State University UNESP, Ilha Solteira, Brazil.
Department of Environmental Science and Policy, Marist College, Poughkeepsie, NY, USA.
Department of Biology, National University of Mongolia, Ulaanbaatar, Mongolia.
Institute of Hydrobiology, Biology Centre of Czech Academy of Sciences, Ceske Budejovice, Czech Republic.
Department of Biology, Texas State University, San Marcos, TX, USA.
Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY, USA.
School of Earth and Sustainability, Northern Arizona University, Flagstaff, AZ, USA.
Arthur Rylah Institute for Environment Research, Department of Energy Environment and Climate Action, Melbourne, Victoria, Australia.
School of Biological Sciences, Monash University, Clayton, Victoria, Australia.
School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, Melbourne, Victoria, Australia.
Department of Environment and Genetics, La Trobe University, Bundoora, Victoria, Australia.
Department of Animal Health and Production, Oyo State College of Agriculture and Technology, Igbo-Ora, Nigeria.
College of Grassland Science, Key Laboratory of Grassland Ecosystem of the Ministry of Education, Gansu Agricultural University, Lanzhou, China.
Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia.
INTA-UNPA-CONICET, Universidad Nacional de la Patagonia, Rìo Gallegos, Argentina.
Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales, Australia.
Gulbali Institute, Charles Sturt University, Albury, New South Wales, Australia.
CSIRO Environment, Canberra, Australian Capital Territory, Australia.
College of Ecology, Lanzhou University, Lanzhou, China.
Swiss Federal Institute for Forest Snow and Landscape Research WSL, Birmensdorf, Switzerland.
Department of Biological Sciences, Texas Tech University, Lubbock, TX, USA.
Murdoch University, Perth, Western Australia, Australia.
Lancaster Environment Centre, Lancaster University, Lancaster, UK.
IFEVA Facultad de Agronomía, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina.
Department of Terrestrial Ecology, Netherlands Institute of Ecology, Wageningen, The Netherlands.
Department of Natural Sciences, Northeastern State University, Tahlequah, OK, USA.
Department of Integrative Biology, University of Texas at Austin, Austin, TX, USA.

Global change is associated with variable shifts in the annual production of aboveground plant biomass, suggesting localized sensitivities with unclear causal origins. Combining remotely sensed normalized difference vegetation index data since the 1980s with contemporary field data from 84 grasslands on 6 continents, we show a widening divergence in site-level biomass ranging from +51% to −34% globally. Biomass generally increased in warmer, wetter and species-rich sites with longer growing seasons and declined in species-poor arid areas. Phenological changes were widespread, revealing substantive transitions in grassland seasonal cycling. Grazing, nitrogen deposition and plant invasion were prevalent in some regions but did not predict overall trends. Grasslands are undergoing sizable changes in production, with implications for food security, biodiversity and carbon storage especially in arid regions where declines are accelerating.

中文翻译：

自 1980 年代以来草原生物量的全球变异性不断扩大

全球变化与地上植物生物量年产量的可变变化有关，表明因果来源不明的局部敏感性。将自 1980 年代以来的遥感归一化差异植被指数数据与来自 6 大洲 84 个草原的当代实地数据相结合，我们显示了全球站点级生物量的差异不断扩大，范围从 +51% 到 -34%。生物量通常在生长季节较长的温暖、潮湿和物种丰富的地点增加，而在物种贫乏的干旱地区则下降。物候变化广泛，揭示了草原季节性循环的实质性转变。放牧、氮沉积和植物入侵在一些地区普遍存在，但不能预测总体趋势。草原的生产正在发生相当大的变化，这对粮食安全、生物多样性和碳储存产生了影响，尤其是在干旱地区，那里的产量正在加速下降。

更新日期：2024-08-05

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