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| Open AccessModel structures amplify uncertainty in predicted soil carbon responses to climate change
A substantial portion of model uncertainty arises from model parameters and structures. Here, the authors show that alternative model structures with data-driven parameters project greater uncertainty in soil carbon responses to climate change than the conventional soil carbon model.
- Zheng Shi
- , Sean Crowell
- & Berrien Moore III
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Article
| Open AccessHigh frequency temperature variability reduces the risk of coral bleaching
Coral bleaching is often predicted via remote sensing of ocean temperatures at large scales, obscuring important reef-scale drivers and biological responses. Here, the authors use in- situ data to show that bleaching is lower globally at reef habitats with greater diurnal temperature variability.
- Aryan Safaie
- , Nyssa J. Silbiger
- & Kristen A. Davis
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Article
| Open AccessInvasive alien pests threaten the carbon stored in Europe’s forests
Invasive alien pests can cause large-scale forest mortality and release carbon stored in forests. Here the authors show that climate change increases the potential range of alien pests and that their impact on the carbon cycle could be as severe as the current natural disturbance regime in Europe’s forests.
- Rupert Seidl
- , Günther Klonner
- & Stefan Dullinger
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Article
| Open AccessLand-use change interacts with climate to determine elevational species redistribution
Habitat change and warming each contribute to species' elevational range shifts, but their synergistic effects have not been explored. Here, Guo et al. reanalyze published data and show that the interaction between warming and forest change predicts range shifts better than either factor on its own.
- Fengyi Guo
- , Jonathan Lenoir
- & Timothy C. Bonebrake
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Article
| Open AccessThe world’s largest High Arctic lake responds rapidly to climate warming
Arctic ecosystems are at threat due to the rapid nature of climate change and Arctic amplification. Here, the authors show that the watershed of Lake Hazen, the Arctic’s largest lake by volume, has undergone dramatic changes in response to as little as a ~1°C increase in summer air temperatures.
- Igor Lehnherr
- , Vincent L. St. Louis
- & Charles H. Talbot
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Article
| Open AccessStrong phenotypic plasticity limits potential for evolutionary responses to climate change
Phenotypic plasticity—the ability to express multiple phenotypes from the same genome—is a widespread adaptation to environmental variability. Here, Oostra et al analyze transcriptomes of an African butterfly with distinct seasonal phenotypes, and observe lack of variation for plasticity, limiting potential for evolutionary responses to climate change.
- Vicencio Oostra
- , Marjo Saastamoinen
- & Christopher W. Wheat
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Article
| Open AccessExtension of the growing season increases vegetation exposure to frost
Plant growing season increases under a warming climate, but it is not known whether this will alter plant exposure to frost days. Here Liu et al. investigate trends in the Northern Hemisphere over 30 years and find increased exposure to frost days in regions that have longer growing seasons.
- Qiang Liu
- , Shilong Piao
- & Tao Wang
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Article
| Open AccessPteropods counter mechanical damage and dissolution through extensive shell repair
Sea butterflies, or pteropods, are often presented as being at threat from ocean acidification on account of their fragile shells being susceptible to dissolution. Here the authors show that pteropods are able to perform extensive repair to damaged shells, suggesting they may not be as vulnerable as previously thought.
- Victoria L. Peck
- , Rosie L. Oakes
- & Geraint A. Tarling
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Article
| Open AccessAncient environmental DNA reveals shifts in dominant mutualisms during the late Quaternary
Recently, an eDNA metabarcoding data set was used to describe northern high-latitude vegetation during the past 50,000 years. Here, Zobel et al. use the data set to examine how the abundance of key plant mutualistic traits changed during this period and discuss possible environmental drivers.
- Martin Zobel
- , John Davison
- & Mari Moora
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Article
| Open AccessInter-annual and decadal changes in teleconnections drive continental-scale synchronization of tree reproduction
Climate oscillations affect weather on different temporal-spatial scales, which poses difficulty in understanding how they influence tree reproduction. Here Ascoli et al. show relationships between low- and high-frequency components of the NAO and masting in two European tree species across multiple decades.
- Davide Ascoli
- , Giorgio Vacchiano
- & Andrew Hacket-Pain
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Article
| Open AccessLong-term carbon sink in Borneo’s forests halted by drought and vulnerable to edge effects
The existence of a pan-tropical forest carbon sink remains uncertain due to the lack of data from Asia. Here, using direct on-the-ground observations, the authors confirm remaining intact forests in Borneo have provided a long-term carbon sink, but carbon net gains are vulnerable to drought and edge effects.
- Lan Qie
- , Simon L. Lewis
- & Oliver L. Phillips
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Article
| Open AccessShifts in pore connectivity from precipitation versus groundwater rewetting increases soil carbon loss after drought
The impacts of top down (precipitation) and bottom-up (groundwater rise) wetting processes on carbon sequestration are poorly understood. Here, the authors use incubation experiments to show that drought legacy and pore-scale wetting patterns are important factors controlling short-term carbon dynamics.
- A. Peyton Smith
- , Ben Bond-Lamberty
- & Vanessa L. Bailey
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Article
| Open AccessMicrobial community-level regulation explains soil carbon responses to long-term litter manipulations
Microbial models of soil organic carbon feed into Earth System Models, but many exhibit unrealistic oscillatory behaviour. Here, the authors propose a density-dependent formulation of microbial turnover that improves microbial models, with large implications for global carbon-concentration feedbacks.
- Katerina Georgiou
- , Rose Z. Abramoff
- & Margaret S. Torn
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Article
| Open AccessTaxonomic and functional turnover are decoupled in European peat bogs
Peatland plant communities are expected to be affected by environmental change, though how assemblages respond is not fully understood. Here, Robroek et al. show that peatland species occur in two distinct clusters, and functional identity and redundancy was maintained under taxonomic turnover.
- Bjorn J. M. Robroek
- , Vincent E. J. Jassey
- & Jos T. A. Verhoeven
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Article
| Open AccessPan-Antarctic analysis aggregating spatial estimates of Adélie penguin abundance reveals robust dynamics despite stochastic noise
Adélie penguins are a key Antarctic indicator species, but data patchiness has challenged efforts to link population dynamics to key drivers. Che-Castaldo et al. resolve this issue using a pan-Antarctic Bayesian model to infer missing data, and show that spatial aggregation leads to more robust inference regarding dynamics.
- Christian Che-Castaldo
- , Stephanie Jenouvrier
- & Heather J. Lynch
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Article
| Open AccessCascading effects of thermally-induced anemone bleaching on associated anemonefish hormonal stress response and reproduction
Elevated temperatures can cause anemones to bleach, with unknown effects on their associated symbiotic fish. Here, Beldade and colleagues show that climate-induced bleaching alters anemonefish hormonal stress response, resulting in decreased reproductive hormones and severely impacted reproduction.
- Ricardo Beldade
- , Agathe Blandin
- & Suzanne C. Mills
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Article
| Open AccessHerbivores rescue diversity in warming tundra by modulating trait-dependent species losses and gains
Warming can reduce plant diversity but it is unclear which species will be lost or gained under interacting global changes. Kaarlejärvi et al. manipulate temperature, herbivory and nutrients in a tundra system and find that herbivory maintains diversity under warming by reducing species losses and promoting gains.
- Elina Kaarlejärvi
- , Anu Eskelinen
- & Johan Olofsson
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Article
| Open AccessCarbon stocks and changes of dead organic matter in China's forests
Reliable estimates of the total forest carbon (C) pool are lacking due to insufficient information on dead organic matter (DOM). Here, the authors estimate that the current DOM C stock in China is 925 ± 54 Tg and that it grew by 6.7 ± 2.2 Tg C/yr over the past two decades primarily due to increasing forest area
- Jianxiao Zhu
- , Huifeng Hu
- & Jingyun Fang
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| Open AccessA dynamic eco-evolutionary model predicts slow response of alpine plants to climate warming
Environmental niche models are often used to predict species responses to climate change but they neglect the potential for evolutionary responses. Here, Cottoet al. develop a model incorporating demographic processes and evolutionary dynamics and show that perennial alpine plants persist in unsuitable habitats but produce maladapted offspring.
- Olivier Cotto
- , Johannes Wessely
- & Frédéric Guillaume
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| Open AccessSelf-amplified Amazon forest loss due to vegetation-atmosphere feedbacks
Relatively little is understood about seasonal effect of climate change on the Amazon rainforest. Here, the authors show that Amazon forest loss in response to dry-season intensification during the last glacial period was likely self-amplified by regional vegetation-rainfall feedbacks.
- Delphine Clara Zemp
- , Carl-Friedrich Schleussner
- & Anja Rammig
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Article
| Open AccessMismatch between marine plankton range movements and the velocity of climate change
Marine plankton are the basis of the oceanic food chain. Here, Chivers and colleagues use ocean-basin wide plankton population data over six decades to show huge differences in the response of different plankton groups to climate change with major implications for the marine ecosystem and fisheries.
- William J. Chivers
- , Anthony W. Walne
- & Graeme C. Hays
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Article
| Open AccessClimate change reduces extent of temperate drylands and intensifies drought in deep soils
Future stress on water resources, and on temperate drylands in particular, remains uncertain. Here, the authors show that climate in the late twenty first century may reduce the extent of temperate drylands, dry deep soils, and create intra-regional and intercontinental differences in ecological drought.
- Daniel R. Schlaepfer
- , John B. Bradford
- & Khishigbayar Jamiyansharav
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Article
| Open AccessHumans rather than climate the primary cause of Pleistocene megafaunal extinction in Australia
Megafaunal extinction in Australia has been attributed to both climate change and human causation. Here, van der Kaarset al. present a 150,000 year record offshore southwest Australia in which they refine the timing and nature of regional ecosystem changes and megafaunal population collapse.
- Sander van der Kaars
- , Gifford H. Miller
- & Scott J. Lehman
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Article
| Open AccessRegional adaptation defines sensitivity to future ocean acidification
Global warming is expected to lead to shifts in species' geographic ranges to track preferred temperatures. Here, the authors show that populations of the common periwinkle vary in their sensitivity to ocean acidification, another major global change driver, which could further restrict range shifts caused by warming.
- Piero Calosi
- , Sedercor Melatunan
- & Simon D. Rundle
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Article
| Open AccessEcological networks are more sensitive to plant than to animal extinction under climate change
In addition to affecting individual species, climate change can modify species interactions. Coupling simulation models with networks between plants and animal pollinators and seed dispersers, Schleuninget al. show that animal persistence under climate change depends more strongly on plant persistence than vice versa.
- Matthias Schleuning
- , Jochen Fründ
- & Christian Hof
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Article
| Open AccessNutrient enrichment modifies temperature-biodiversity relationships in large-scale field experiments
Increased temperature and nutrient pollution are key features of anthropogenic change, but their dual effects on biodiversity remain unclear. Here Wanget al. conduct field experiments at two mountain elevation gradients to show that temperature and nutrients have independent and interactive effects on microbial diversity.
- Jianjun Wang
- , Feiyan Pan
- & Ji Shen
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Article
| Open AccessExtreme warming challenges sentinel status of kelp forests as indicators of climate change
Giant kelp is sometimes considered the ‘canary in the coal mine’ of coastal ecosystems. However, Reedet al. demonstrate that kelp did not decline during recent ocean warming in California, questioning whether this species is an appropriate indicator for ecosystem responses to future climate change.
- Daniel Reed
- , Libe Washburn
- & Shannon Harrer
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Article
| Open AccessRecent pause in the growth rate of atmospheric CO2 due to enhanced terrestrial carbon uptake
Year-to-year variability in atmospheric CO2 is strongly influenced by the terrestrial biosphere. Despite increasing anthropogenic emissions, Keenan et al. report a recent pause in the growth rate of atmospheric CO2using observations and vegetation models, attributed to an enhanced terrestrial carbon sink.
- Trevor F Keenan
- , I. Colin Prentice
- & G. James Collatz
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Article
| Open AccessClimate analogues suggest limited potential for intensification of production on current croplands under climate change
Simulations of the impact of future climate change on crop yield vary considerably. Here, the authors use a climate analogue approach to estimate the response of maximum attainable yield to climate change and predict that large shifts in land use and crop choice would be required to meet demand.
- T.A.M. Pugh
- , C. Müller
- & A. Arneth
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Article
| Open AccessExperience drives innovation of new migration patterns of whooping cranes in response to global change
Birds' migration pattern can shift due to changes in climate and habitat. Here, Teitelbaum and colleagues show that the experiences of older whooping cranes are important for generating new population-level migration behaviours in response to changes in the environment.
- Claire S. Teitelbaum
- , Sarah J. Converse
- & Thomas Mueller
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Article
| Open AccessEcological constraints increase the climatic debt in forests
Many species show a time-lagged response to climate change, a phenomenon called climatic debt. Here, Bertrand and colleagues show that climate severity and plant tolerance to climate warming mainly influence the climatic debt of forest herbaceous plant communities.
- Romain Bertrand
- , Gabriela Riofrío-Dillon
- & Michel Loreau
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Article
| Open AccessGlobal threats from invasive alien species in the twenty-first century and national response capacities
Globalization facilitates the spread of invasive alien species, while environmental change can ease invasion. Here, Early et al. identify vulnerable regions globally and evaluate capacity in vulnerable countries to prevent invasions arising from sources such as air travel, horticulture, and pet trade.
- Regan Early
- , Bethany A. Bradley
- & Andrew J. Tatem
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Article
| Open AccessA keystone mutualism underpins resilience of a coastal ecosystem to drought
Intensifying drought has caused massive die-offs in ecosystems worldwide. Here, Angelini et al.use observations, experiments, and models in US salt marshes to show that a key mutualism increases ecosystem resilience by maintaining stress-resistant habitat patches that aid post-drought recovery.
- Christine Angelini
- , John N. Griffin
- & Brian R. Silliman
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Article
| Open AccessResponses of sequential and hierarchical phenological events to warming and cooling in alpine meadows
Describing changes in the timing of life history events is critical to understanding effects of climate change. Wang et al. relocated plant communities up and down elevation gradients and found that warming lengthened the reproductive and activity phases, while cooling reduced the vegetative and reproductive phases.
- Xine Li
- , Lili Jiang
- & Guojie Wang
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Article
| Open AccessClimate change velocity underestimates climate change exposure in mountainous regions
Climate change velocity describes organism exposure to a modified climate, but as a distance-based metric, fails to consider that trajectories traverse dissimilar environments. Here, the authors calculate minimum cumulative exposure, finding that mountainous regions are particularly vulnerable.
- Solomon Z. Dobrowski
- & Sean A. Parks
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Article
| Open AccessHigh potential for weathering and climate effects of non-vascular vegetation in the Late Ordovician
Early non-vascular vegetation may have caused an interval of glaciations in the Late Ordovician by enhancing global chemical weathering. Here, by simulating the organisms with a spatially explicit, process-based model, the authors propose that Ordovician vegetation had a high potential for chemical weathering.
- P. Porada
- , T. M. Lenton
- & A. Kleidon
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Article
| Open AccessTemperature mediates continental-scale diversity of microbes in forest soils
Climate warming has a wide range of effects on biodiversity. Here, Zhou et al. show that although variation in environmental temperature is a primary driver of soil microbial biodiversity, microbes show much lower rates of turnover across temperature gradients than other major taxa.
- Jizhong Zhou
- , Ye Deng
- & James H. Brown
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Article
| Open AccessDual mechanisms regulate ecosystem stability under decade-long warming and hay harvest
Species diversity is thought to play an important role in maintaining production stability. Shi et al.demonstrate that the dominant C4 plant also makes a substantial contribution to temporal stability in a grassland ecosystem subject to 15 years of experimental warming and hay harvest.
- Zheng Shi
- , Xia Xu
- & Yiqi Luo
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Article
| Open AccessPhysiological constraints to climate warming in fish follow principles of plastic floors and concrete ceilings
Understanding climatic adaptation in fish is limited by a lack of large-scale, long term acclimation studies. Here, Sandblom et al. show that fish exposed to a 5-10 °C increase in water temperature next to a nuclear power plant display contrasting upper and lower cardiorespiratory thermal compensation limits.
- Erik Sandblom
- , Timothy D. Clark
- & Fredrik Jutfelt
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Article
| Open AccessThe timescales of global surface-ocean connectivity
The adaptive capabilities of planktonic communities to climate change remain uncertain. Here, using Lagrangian particle tracking and network theory, the authors show that surface ocean currents can navigate the globe within 10 years, suggesting that marine plankton may keep pace with climate change.
- Bror F. Jönsson
- & James R. Watson
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Article
| Open AccessHumans and seasonal climate variability threaten large-bodied coral reef fish with small ranges
Knowing which species traits may confer resilience to human-mediated stressors will help predict future impacts on biodiversity. Here, Mellin et al. show that large bodied fish with small geographic ranges are disproportionately affected by the negative impacts of human disturbance and climate variability.
- C. Mellin
- , D. Mouillot
- & M. J. Caley
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Article
| Open AccessCentral and rear-edge populations can be equally vulnerable to warming
Low latitude populations are often thought to be more vulnerable to climate change due to warmer ambient conditions. Here, Bennett et al.show that populations of seaweed from different areas of their range have distinct thermal-tolerance thresholds, but share remarkably similar thermal safety margins to warming.
- Scott Bennett
- , Thomas Wernberg
- & Alexandra H. Campbell
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Article
| Open AccessLarge-scale climatic anomalies affect marine predator foraging behaviour and demography
Understanding how organisms respond to short-term climate variations will help predict the impact of future global change. Here, Bost et al. show that large-scale climatic anomalies coincide with changes in the foraging behaviour and populations dynamics of king penguins in the Southern hemisphere.
- Charles A. Bost
- , Cedric Cotté
- & Henri Weimerskirch
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Article
| Open AccessClimate constrains the evolutionary history and biodiversity of crocodylians
Crocodylians and their relatives have a rich evolutionary history. Here the authors show long-term decline of terrestrial crocodylians driven by decreasing temperatures but no relationship between temperature and biodiversity for marine crocodylians over their 250 million year history.
- Philip D. Mannion
- , Roger B. J. Benson
- & Richard J. Butler
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Article
| Open AccessThe links between ecosystem multifunctionality and above- and belowground biodiversity are mediated by climate
Plant biodiversity often has a positive influence on ecosystem functioning. Here Jinget al. show that belowground diversity can also significantly impact ecosystem multifunctionality, but its relative effect varies by regional-scale climate variation.
- Xin Jing
- , Nathan J. Sanders
- & Jin-Sheng He
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Article
| Open AccessHigh diversity stabilizes the thermal resilience of pollinator communities in intensively managed grasslands
How variation in species responses to climate may influence the resilience of ecological communities to environmental change is not fully understood. Here, the authors characterize the thermal niches of insect pollinator communities and show that resilience increases along a gradient of land-use intensity.
- Sara Kühsel
- & Nico Blüthgen
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Article
| Open AccessHydrologically driven ecosystem processes determine the distribution and persistence of ecosystem-specialist predators under climate change
Climatic change is predicted to impact moisture-dependent ecosystems. Here Carroll et al. show that a combination of physical, biophysical and ecosystem processes determine the abundance and distribution of three bird species that feed on craneflies in blanket bogs.
- Matthew J. Carroll
- , Andreas Heinemeyer
- & Chris D. Thomas
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Article
| Open AccessShort winters threaten temperate fish populations
Reductions in winter duration under climate change may have negative consequences for ectotherms adapted to seasonal temperature regimes. Here Farmeret al. show how short winters have, in part, caused failed lake fishery recruitment by altering spawning phenology and lowering the quality of eggs and larvae.
- Troy M. Farmer
- , Elizabeth A. Marschall
- & Stuart A. Ludsin
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Article
| Open AccessLeaf onset in the northern hemisphere triggered by daytime temperature
Recent warming has significantly advanced leaf onset in the northern hemisphere. Here, the authors show asymmetric effects of daytime and nighttime temperature change on the timing of leaf onset.
- Shilong Piao
- , Jianguang Tan
- & Josep Peñuelas