Journal ArticleDOI
Evidence of current impact of climate change on life: a walk from genes to the biosphere
Josep Peñuelas,Jordi Sardans,Marc Estiarte,Romà Ogaya,Jofre Carnicer,Jofre Carnicer,Marta Coll,Adrià Barbeta,Albert Rivas-Ubach,Joan Llusià,Martín F. Garbulsky,Martín F. Garbulsky,Iolanda Filella,Alistair S. Jump,Alistair S. Jump +14 more
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TLDR
The evidence of how organisms and populations are currently responding to climate change through phenotypic plasticity, genotypic evolution, changes in distribution and, in some cases, local extinction is reviewed.Abstract:
We review the evidence of how organisms and populations are currently responding to climate change through phenotypic plasticity, genotypic evolution, changes in distribution and, in some cases, local extinction. Organisms alter their gene expression and metabolism to increase the concentrations of several antistress compounds and to change their physiology, phenology, growth and reproduction in response to climate change. Rapid adaptation and microevolution occur at the population level. Together with these phenotypic and genotypic adaptations, the movement of organisms and the turnover of populations can lead to migration toward habitats with better conditions unless hindered by barriers. Both migration and local extinction of populations have occurred. However, many unknowns for all these processes remain. The roles of phenotypic plasticity and genotypic evolution and their possible trade-offs and links with population structure warrant further research. The application of omic techniques to ecological studies will greatly favor this research. It remains poorly understood how climate change will result in asymmetrical responses of species and how it will interact with other increasing global impacts, such as N eutrophication, changes in environmental N : P ratios and species invasion, among many others. The biogeochemical and biophysical feedbacks on climate of all these changes in vegetation are also poorly understood. We here review the evidence of responses to climate change and discuss the perspectives for increasing our knowledge of the interactions between climate change and life.read more
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“Agreement” in the IPCC Confidence measure
William Rehg,Kent W. Staley +1 more
TL;DR: In this paper, the authors consider the application of the degree of agreement factor in practice in AR5 and suggest that agreement attributions do not so much track the overall consensus among investigators as the degree to which relevant research findings substantively converge in offering support for IPCC claims.
Nyárültetvények őszi lombszíneződésének vizsgálata három MODIS-színcsatorna alapján
TL;DR: A MODIS-szenzor harom kivalaszott szincsatornajara epitve ujabb lombszinezineződesi merőszamokat alkotunk, es ezeket kiertekeljuk abbol a szempontbol, hogy varhatoan mennyire alkalmazhatoak az őszi lombzinezΑdes jovőbeli fenologiai eltolodasanak es megvaltoz
Journal ArticleDOI
Warming Alters Plant Chemical and Nutrient Compositions by Affecting Metabolites in Cunninghamia lanceolata (Lamb.) Hook
Qiufang Zhang,Zhijie Yang,Tingting Chen,Xiao Ying Gong,Decheng Xiong,Wangmin Ye,Yuehmin Chen,Yusheng Yang +7 more
TL;DR: Warming in sub-tropical forests alters plant chemical properties, and thus may have an important consequence for nutrient cycling and soil C sequestration, as well as drive C deficiency and metabolic restriction in plants.
Posted ContentDOI
Environmental unpredictability shapes glucocorticoid regulation across populations of tree swallows
Cedric Zimmer,Conor C. Taff,Daniel R. Ardia,Alexandra P. Rose,David A. Aborn,L. Scott Johnson,Maren N. Vitousek +6 more
TL;DR: It is suggested that combining a robust stress response with strong negative feedback may be important for persisting in unpredictable or rapidly changing environments.
Journal ArticleDOI
Impact of regional climate change on the mosquito vector Aedes albopictus in a tropical island environment: La Réunion.
TL;DR: In this article , the authors studied the impact of climate change on the life cycle dynamics of Aedes albopictus in the 2070-2100 time horizon and showed that regional and local variations in climate can induce differential impacts on the abundance of Ae. albops.
References
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Climate change 2007: the physical science basis
Susan Solomon,Dahe Qin,Martin R. Manning,Melinda Marquis,Kristen Averyt,Melinda M.B. Tignor,H. L. Miller,Z. Chen +7 more
TL;DR: The first volume of the IPCC's Fourth Assessment Report as mentioned in this paper was published in 2007 and covers several topics including the extensive range of observations now available for the atmosphere and surface, changes in sea level, assesses the paleoclimatic perspective, climate change causes both natural and anthropogenic, and climate models for projections of global climate.
Journal ArticleDOI
A globally coherent fingerprint of climate change impacts across natural systems
Camille Parmesan,Gary W. Yohe +1 more
TL;DR: A diagnostic fingerprint of temporal and spatial ‘sign-switching’ responses uniquely predicted by twentieth century climate trends is defined and generates ‘very high confidence’ (as laid down by the IPCC) that climate change is already affecting living systems.
Journal ArticleDOI
Climate change 2007: the physical science basis
TL;DR: In this article, Chen et al. present a survey of the state of the art in the field of computer vision and artificial intelligence, including a discussion of the role of the human brain in computer vision.
Journal ArticleDOI
A global overview of drought and heat-induced tree mortality reveals emerging climate change risks for forests
Craig D. Allen,Alison K. Macalady,Haroun Chenchouni,Dominique Bachelet,Nate G. McDowell,Michel Vennetier,Thomas Kitzberger,Andreas Rigling,David D. Breshears,Edward H. Hogg,Patrick Gonzalez,Rod Fensham,Zhen Zhang,Jorge Castro,N.A. Demidova,Jong Hwan Lim,Gillian Allard,Steven W. Running,Akkin Semerci,Neil S. Cobb +19 more
TL;DR: In this paper, the authors present the first global assessment of recent tree mortality attributed to drought and heat stress and identify key information gaps and scientific uncertainties that currently hinder our ability to predict tree mortality in response to climate change and emphasizes the need for a globally coordinated observation system.
Climate and atmospheric history of the past 420,000 years from the Vostok ice core, Antarctica
J. R. Petit,Jean Jouzel,Dominique Raynaud,J. M. Barnola,I. Basile,Michael L. Bender,Jérôme Chappellaz,Michael Davis,Gilles Delaygue,Marc Delmotte,V. M. Kotlyakov,Michel Legrand,Vladimir Ya. Lipenkov,C. Lorius,L. Pepin,Catherine Ritz,Eric S. Saltzman,Michel Stievenard +17 more
TL;DR: The recent completion of drilling at Vostok station in East Antarctica has allowed the extension of the ice record of atmospheric composition and climate to the past four glacial-interglacial cycles.
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