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Resilience to climate change? 新闻
来源平台:EurekAlert. 发布日期:2021
作者:  admin
收藏  |  浏览/下载:13/0  |  提交时间:2021/01/15
Biological rhythms in the deep-sea hydrothermal mussel Bathymodiolus azoricus 期刊论文
NATURE COMMUNICATIONS, 2020, 11 (1)
作者:  Mat, Audrey M.;  Sarrazin, Jozee;  Markov, Gabriel, V;  Apremont, Vincent;  Dubreuil, Christine;  Eche, Camille;  Fabioux, Caroline;  Klopp, Christophe;  Sarradin, Pierre-Marie;  Tanguy, Arnaud;  Huvet, Arnaud;  Matabos, Marjolaine
收藏  |  浏览/下载:16/0  |  提交时间:2020/07/14
Global variation in the thermal tolerances of plants 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (24) : 13580-13587
作者:  Lancaster, Lesley T.;  Humphreys, Aelys M.
收藏  |  浏览/下载:7/0  |  提交时间:2020/06/09
macrophysiology  cold and heat  hardening  temperature  latitude  
The intensification of Arctic warming as a result of CO2 physiological forcing 期刊论文
NATURE COMMUNICATIONS, 2020, 11 (1)
作者:  Park, So-Won;  Kim, Jin-Soo;  Kug, Jong-Seong
收藏  |  浏览/下载:7/0  |  提交时间:2020/05/13
Asynchronous carbon sink saturation in African and Amazonian tropical forests 期刊论文
NATURE, 2020, 579 (7797) : 80-+
作者:  Wannes Hubau;  Simon L. Lewis;  Oliver L. Phillips;  Kofi Affum-Baffoe;  Hans Beeckman;  Aida Cuní;  -Sanchez;  Armandu K. Daniels;  Corneille E. N. Ewango;  Sophie Fauset;  Jacques M. Mukinzi;  Douglas Sheil;  Bonaventure Sonké;  Martin J. P. Sullivan;  Terry C. H. Sunderland;  Hermann Taedoumg;  Sean C. Thomas;  Lee J. T. White;  Katharine A. Abernethy;  Stephen Adu-Bredu;  Christian A. Amani;  Timothy R. Baker;  Lindsay F. Banin;  Fidè;  le Baya;  Serge K. Begne;  Amy C. Bennett;  Fabrice Benedet;  Robert Bitariho;  Yannick E. Bocko;  Pascal Boeckx;  Patrick Boundja;  Roel J. W. Brienen;  Terry Brncic;  Eric Chezeaux;  George B. Chuyong;  Connie J. Clark;  Murray Collins;  James A. Comiskey;  David A. Coomes;  Greta C. Dargie;  Thales de Haulleville;  Marie Noel Djuikouo Kamdem;  Jean-Louis Doucet;  Adriane Esquivel-Muelbert;  Ted R. Feldpausch;  Alusine Fofanah;  Ernest G. Foli;  Martin Gilpin;  Emanuel Gloor;  Christelle Gonmadje;  Sylvie Gourlet-Fleury;  Jefferson S. Hall;  Alan C. Hamilton;  David J. Harris;  Terese B. Hart;  Mireille B. N. Hockemba;  Annette Hladik;  Suspense A. Ifo;  Kathryn J. Jeffery;  Tommaso Jucker;  Emmanuel Kasongo Yakusu;  Elizabeth Kearsley;  David Kenfack;  Alexander Koch;  Miguel E. Leal;  Aurora Levesley;  Jeremy A. Lindsell;  Janvier Lisingo;  Gabriela Lopez-Gonzalez;  Jon C. Lovett;  Jean-Remy Makana;  Yadvinder Malhi;  Andrew R. Marshall;  Jim Martin;  Emanuel H. Martin;  Faustin M. Mbayu;  Vincent P. Medjibe;  Vianet Mihindou;  Edward T. A. Mitchard;  Sam Moore;  Pantaleo K. T. Munishi;  Natacha Nssi Bengone;  Lucas Ojo;  Fidè;  le Evouna Ondo;  Kelvin S.-H. Peh;  Georgia C. Pickavance;  Axel Dalberg Poulsen;  John R. Poulsen;  Lan Qie;  Jan Reitsma;  Francesco Rovero;  Michael D. Swaine;  Joey Talbot;  James Taplin;  David M. Taylor;  Duncan W. Thomas;  Benjamin Toirambe;  John Tshibamba Mukendi;  Darlington Tuagben;  Peter M. Umunay;  Geertje M. F. van der Heijden;  Hans Verbeeck;  Jason Vleminckx;  Simon Willcock;  Hannsjö;  rg Wö;  ll;  John T. Woods;  Lise Zemagho
收藏  |  浏览/下载:23/0  |  提交时间:2020/05/13

Structurally intact tropical forests sequestered about half of the global terrestrial carbon uptake over the 1990s and early 2000s, removing about 15 per cent of anthropogenic carbon dioxide emissions(1-3). Climate-driven vegetation models typically predict that this tropical forest '  carbon sink'  will continue for decades(4,5). Here we assess trends in the carbon sink using 244 structurally intact African tropical forests spanning 11 countries, compare them with 321 published plots from Amazonia and investigate the underlying drivers of the trends. The carbon sink in live aboveground biomass in intact African tropical forests has been stable for the three decades to 2015, at 0.66 tonnes of carbon per hectare per year (95 per cent confidence interval 0.53-0.79), in contrast to the long-term decline in Amazonian forests(6). Therefore the carbon sink responses of Earth'  s two largest expanses of tropical forest have diverged. The difference is largely driven by carbon losses from tree mortality, with no detectable multi-decadal trend in Africa and a long-term increase in Amazonia. Both continents show increasing tree growth, consistent with the expected net effect of rising atmospheric carbon dioxide and air temperature(7-9). Despite the past stability of the African carbon sink, our most intensively monitored plots suggest a post-2010 increase in carbon losses, delayed compared to Amazonia, indicating asynchronous carbon sink saturation on the two continents. A statistical model including carbon dioxide, temperature, drought and forest dynamics accounts for the observed trends and indicates a long-term future decline in the African sink, whereas the Amazonian sink continues to weaken rapidly. Overall, the uptake of carbon into Earth'  s intact tropical forests peaked in the 1990s. Given that the global terrestrial carbon sink is increasing in size, independent observations indicating greater recent carbon uptake into the Northern Hemisphere landmass(10) reinforce our conclusion that the intact tropical forest carbon sink has already peaked. This saturation and ongoing decline of the tropical forest carbon sink has consequences for policies intended to stabilize Earth'  s climate.


  
Two dominant boreal conifers use contrasting mechanisms to reactivate photosynthesis in the spring 期刊论文
NATURE COMMUNICATIONS, 2020, 11 (1)
作者:  Yang, Qi;  Blanco, Nicolas E.;  Hermida-Carrera, Carmen;  Lehotai, Nora;  Hurry, Vaughan;  Strand, Asa
收藏  |  浏览/下载:8/0  |  提交时间:2020/05/13
Mechanistic evidence for tracking the seasonality of photosynthesis with solar-induced fluorescence 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (24) : 11640-11645
作者:  Magney, Troy S.;  Bowling, David R.;  Logan, Barry A.;  Grossmann, Katja;  Stutz, Jochen;  Blanken, Peter D.;  Burns, Sean P.;  Cheng, Rui;  Garcia, Maria A.;  Kohler, Philipp;  Lopez, Sophia;  Parazoo, Nicholas C.;  Raczka, Brett;  Schimel, David;  Frankenberg, Christian
收藏  |  浏览/下载:24/0  |  提交时间:2019/11/27
solar-induced fluorescence (SIF)  remote sensing  gross primary production (GPP)  photosynthesis  evergreen forest  
Mechanistic evidence for tracking the seasonality of photosynthesis with solar-induced fluorescence 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (24) : 11640-11645
作者:  Troy S. Magney;  David R. Bowling;  Barry A. Logan;  Katja Grossmann;  Jochen Stutz;  Peter D. Blanken;  Sean P. Burns;  Rui Cheng;  Maria A. Garcia;  Philipp Kӧhler;  Sophia Lopez;  Nicholas C. Parazoo;  Brett Raczka;  David Schimel;  and Christian Frankenberg
收藏  |  浏览/下载:11/0  |  提交时间:2019/11/27
solar-induced fluorescence (SIF)  remote sensing  gross primary production (GPP)  photosynthesis  evergreen forest  
Photosynthetic adaptation to low iron, light, and temperature in Southern Ocean phytoplankton 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (10) : 4388-4393
作者:  Strzepek, Robert F.;  Boyd, Philip W.;  Sunda, William G.
收藏  |  浏览/下载:0/0  |  提交时间:2019/11/27
iron  light  temperature  Southern Ocean  phytoplankton  
Thylakoid localized bestrophin-like proteins are essential for the CO2 concentrating mechanism of Chlamydomonas reinhardtii 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (34) : 16915-16920
作者:  Mukherjee, Ananya;  Lau, Chun Sing;  Walker, Charlotte E.;  Rai, Ashwani K.;  Prejean, Camille I.;  Yates, Gary;  Emrich-Mills, Thomas;  Lemoine, Spencer G.;  Vinyard, David J.;  Mackinder, Luke C. M.;  Moroney, James V.
收藏  |  浏览/下载:12/0  |  提交时间:2019/11/27
Chlamydomonas  CO2 concentrating mechanism  bicarbonate transport  photosynthesis  chloroplast thylakoid