Domingo Cano, Antonio J Pérez, Carlos Martínez-Núñez, Rubén Tarifa, Teresa Salido, Carlos Ruiz, José E Gutiérrez, Julio M Alcántara, Pedro J Rey
{"title":"Assessing Pollinator Community Recovery in Restored Agroecosystems Using the Recovery Debt Framework.","authors":"Domingo Cano, Antonio J Pérez, Carlos Martínez-Núñez, Rubén Tarifa, Teresa Salido, Carlos Ruiz, José E Gutiérrez, Julio M Alcántara, Pedro J Rey","doi":"10.1111/gcb.71108","DOIUrl":"10.1111/gcb.71108","url":null,"abstract":"<p><p>Recovery debt (RD) quantifies the interim deficit of biodiversity and function during the recovery process after disturbance. Unlike typical recovery indices derived from data on experimental-control comparisons, RD further considers the target (reference) biodiversity level, modelling the rate at which it is approached over time. However, the application of the RD approach to active restoration has not been explicitly implemented to date. Here, we extend the RD framework to evaluate active ecological restoration in agricultural systems, defining the onset of recovery as the shift from intensive to wildlife-friendly management. We applied this approach to assess short-term pollinator recovery in 14 olive groves across a gradient of farming intensification and landscape complexity in southern Spain. Restoration actions included adopting low-intensity ground cover management and actively restoring field margins. At 1, 3 and 5 years post-restoration, we assessed community responses by quantifying bee abundance, species richness, plant-bee network properties and flower visitation rates. Reference systems were defined by olive groves in complex landscapes with low-intensity herb cover management and organic farming practices. Following restoration, the RD of bee abundance decreased from 71% to 55%. We found no significant effects of pre-intervention agricultural management on RD. Instead, across sites, the reduction of the RD (i.e., recovery) of bee abundance, richness, network connectance and flower visitation rate was strongly mediated by the availability of high-quality semi-natural areas in the surrounding landscape and by the ecological contrast created by restoration interventions at both the farm and floral patch levels. RD for other network metrics showed no significant pattern of variation. Our study demonstrates that wildlife-friendly management and targeted habitat restoration can rapidly reduce recovery debt for bee abundance and function in permanent agroecosystems. However, the recovery of more complex interaction-network properties likely requires longer timescales.</p>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":"e71108"},"PeriodicalIF":12.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13583145/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148981778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Feilong Li, Florian Altermatt, Qiqi Huang, Weijun Lu, Liqiang Liu, Fen Guo, Qingping Du, Yuan Zhang, Zhifeng Yang
{"title":"Riparian Land Use Reduces Multitrophic Community Stability in Rivers.","authors":"Feilong Li, Florian Altermatt, Qiqi Huang, Weijun Lu, Liqiang Liu, Fen Guo, Qingping Du, Yuan Zhang, Zhifeng Yang","doi":"10.1111/gcb.71117","DOIUrl":"https://doi.org/10.1111/gcb.71117","url":null,"abstract":"<p><p>Land use intensification threatens river biodiversity and its stability, but effects across multiple trophic levels in real river systems remain unclear. Here, we combined environmental DNA (eDNA) metabarcoding with 213 spatially and temporally stratified sampling sites across a river network to analyze the impacts of land use intensification on biodiversity and community stability across trophic levels. Our eDNA survey captured 379 families across six major organismal groups, revealing pronounced taxon-specific variation in community dynamics. Community structure exhibited significant spatiotemporal variation, whereas richness showed recurrent seasonal peaks and community stability followed distinct longitudinal patterns among organism groups. Riparian land-use intensity was negatively associated with richness, community stability, species stability and asynchrony, with generally stronger and more consistent relationships for stability-related metrics than for richness. Although richness was positively associated with stability in several organism groups, structural equation modeling explained 79% of the variation in community stability and identified stronger associations with species stability and asynchrony than with richness alone. Overall, these findings show that biodiversity-stability relationships vary across taxa and that species-level temporal dynamics provide information beyond taxonomic richness, supporting the inclusion of multitrophic and temporal dimensions in river ecosystem assessments under environmental change.</p>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":"e71117"},"PeriodicalIF":12.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149014919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ben P Harvey, Hiroki Takenaka, Mariko Shiel, Joshua M Heitzman, Guinther Mitushasi, Layla Iijima, Shigeki Wada, Takeo Hama, Nathan G King, Dan A Smale, Sylvain Agostini
{"title":"Unprecedented Warming and Increased Herbivory Drive Collapse of Japan's Kelp Forests.","authors":"Ben P Harvey, Hiroki Takenaka, Mariko Shiel, Joshua M Heitzman, Guinther Mitushasi, Layla Iijima, Shigeki Wada, Takeo Hama, Nathan G King, Dan A Smale, Sylvain Agostini","doi":"10.1111/gcb.71106","DOIUrl":"10.1111/gcb.71106","url":null,"abstract":"<p><p>Kelp forests underpin entire ecosystems and provide key services for human society, yet are threatened by anthropogenic stressors, most notably ocean warming and overgrazing. While Japanese kelp forests have substantial historical and cultural value, responses to recent environmental change remain poorly resolved. Here, we assessed how recent Kuroshio-associated warming and increased herbivory were linked to kelp forest collapse across approximately 200 km of the Izu Peninsula (central-eastern Japan). We combined 40 years of in situ kelp biomass (1980-2024) and 12-14 years of canopy-cover records (2009-2025) with satellite-derived sea-surface temperature and marine heatwave metrics. Herbivorous fish assemblages and bite rates were surveyed monthly (2021-2022) across reefs spanning healthy, mosaic, and barren states. Laboratory experiments quantified lethal and sub-lethal thermal thresholds of juvenile Ecklonia cava using temperature-ramping (20°C-33°C) and growth trials (22°C vs. 28°C). Spatial analyses compared thermal-threshold exceedance and seasonal grazing-window expansion with observed canopy loss, evaluating whether warming and herbivory were consistent with the spatial extent of decline. Warming along the Izu coast intensified during the recent Kuroshio Large Meander, increasing from 0.15°C decade-1 (1982-2016) to 2.98°C decade<sup>-1</sup> (2017-2024), with cumulative marine heatwave intensity rising from 2.34°C to 63.22°C·day decade<sup>-1</sup>. Over the same period, canopy-forming E. cava cover fell from ~75% to zero, and peak biomass declined from 2.37 kg DW m<sup>-2</sup> to zero, indicating local extirpation and likely regional functional loss. Laboratory assays showed rapid physiological decline above 29.5°C and mortality at 32°C-33°C; temperatures exceeded during summer 2023/2024. The grazing season by warm-adapted herbivorous fishes expanded by up to 86 days, amplifying kelp loss across heat-stressed reefs. Together, extreme thermal stress and expanded herbivory were strongly associated with a shift from kelp forests to barren reefs, highlighting how physiological stress and trophic processes can contribute to rapid kelp loss in warming boundary-current systems.</p>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":"e71106"},"PeriodicalIF":12.5,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13583142/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148981762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chenhao Lyu, Jieyu Gao, Peng Chen, Xinxin Jing, Luping Ye, Zhiguo Li, Wenzhi Liu, Yi Liu
{"title":"Ecosystem-Dependent Responses of Microbial Necromass Carbon to Warming Are Governed by the Balance Between Necromass Formation and Decomposition","authors":"Chenhao Lyu, Jieyu Gao, Peng Chen, Xinxin Jing, Luping Ye, Zhiguo Li, Wenzhi Liu, Yi Liu","doi":"10.1111/gcb.71085","DOIUrl":"10.1111/gcb.71085","url":null,"abstract":"<div>\u0000 \u0000 <p>Microbial necromass carbon (MNC) is increasingly recognized as a major contributor to persistent soil organic carbon (SOC), yet its response to climate warming and the underlying regulatory mechanisms remain poorly understood. Here, we conducted a global meta-analysis to assess how total MNC, fungal necromass carbon (FNC), and bacterial necromass carbon (BNC) respond to warming and to identify the key drivers. Overall, warming had no significant net effect on total MNC, FNC, or BNC across all observations, although publication bias-corrected analyses revealed a significant 8.6% increase in FNC. However, warming effects varied substantially among ecosystems, increasing MNC accumulation in permafrost (+25.4%), grassland (+8.2%), and cropland (+9.9%) soils, while decreasing it in forests (−12.4%) and showing no significant effect in wetlands. Warming effects were further influenced by warming method, soil depth, climatic conditions, and initial soil properties. Meta-regression analyses showed that warming-induced changes in microbial biomass were the strongest predictor of MNC responses, highlighting the central role of microbial growth and turnover in regulating necromass dynamics. Moreover, shifts in nutrient availability, soil pH, and extracellular enzyme activities significantly influenced the balance between necromass production and decomposition. Positive coupling between MNC and SOC responses suggests that microbial necromass formation represents an important mechanism linking microbial processes to soil carbon persistence under warming. Overall, our findings demonstrate that warming affects MNC by altering microbial traits and nutrient availability, thereby regulating the balance between necromass production and decomposition. Ecosystem-specific conditions further determine the magnitude and direction of these responses. These findings highlight the need to incorporate microbial necromass dynamics into predictions of soil carbon-climate feedbacks under future warming scenarios.</p>\u0000 </div>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":""},"PeriodicalIF":12.5,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148860890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Youbing Zhou, Jifa Cui, Wenwen Chen, Nan Wu, Chris Newman, Juncheng Li, Qian Wang, Boyu Lei, Guanghua Jiang, Jinwei Wu, Christina D. Buesching, Jin Zhao, David W. Macdonald, Nils Chr. Stenseth
{"title":"Compound Ecoclimatic Events: The Long-Term Recovery of Conservation-Priority Mammals After an Extreme Ice Storm Event Was Promoted by the Alleviation of Poaching","authors":"Youbing Zhou, Jifa Cui, Wenwen Chen, Nan Wu, Chris Newman, Juncheng Li, Qian Wang, Boyu Lei, Guanghua Jiang, Jinwei Wu, Christina D. Buesching, Jin Zhao, David W. Macdonald, Nils Chr. Stenseth","doi":"10.1111/gcb.71084","DOIUrl":"10.1111/gcb.71084","url":null,"abstract":"<div>\u0000 \u0000 <p>Extreme climatic perturbations are becoming increasingly frequent, with substantial and long-lasting legacy effects on biodiversity and ecosystems that may be compounded by human pressures such as illegal hunting. It is therefore vital to develop a better understanding of how best to manage and enhance ecosystem recovery. Using 15 years of data (2005–2019) from subtropical China, we investigated how an extreme ice storm event (2008) degraded mammal communities and how recovery was enhanced by subsequent anti-poaching enforcement (2012). Prior to the storm, communities were temporally stable, with a diversity of conservation-priority species in primary forests, while less protected species dominated degraded forests. Overall, the storm caused a 35% loss in species richness and abundance, with a 50% decline in conservation-priority species, all of which were obligate herbivores. Community properties in degraded forests recovered much more slowly than those in primary forests. Mammal communities did not regain dynamic stability when they reached their pre-storm levels; instead, legal enforcement in 2012 caused a shift toward a greater proportion of conservation-priority species, especially in degraded habitats, indicating that long-term reductions in abundance and species richness among conservation-priority mammal species were exacerbated by illegal poaching after this extreme storm event. These findings highlight that adaptive restoration management following extreme climatic events is essential for directing recovery trajectories toward achieving conservation and biodiversity targets, particularly for conservation-priority species, and especially in areas most vulnerable to human disturbance.</p>\u0000 </div>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":""},"PeriodicalIF":12.5,"publicationDate":"2026-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148858877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Correction to “Resident and Migratory Falcons' Breeding Phenology and Productivity Respond Differently to Weather and Climate Change Across the Arctic”","authors":"","doi":"10.1111/gcb.71086","DOIUrl":"10.1111/gcb.71086","url":null,"abstract":"<p>\u0000 <span>Gulotta, N. A.</span>, <span>K. Falk</span>, <span>S. Ambrose</span>, et al. <span>2026</span>. “ <span>Resident and Migratory Falcons' Breeding Phenology and Productivity Respond Differently to Weather and Climate Change Across the Arctic</span>.” <i>Global Change Biology</i> <span>32</span>, no. <span>8</span>: e71022. https://doi.org/10.1111/gcb.71022.\u0000 </p><p>In the originally published article, the author Pertti Koskimies's name was inadvertently omitted from the author list during production. The correct list of authors and affiliations is as follows:</p><p>Nick A. Gulotta, Knud Falk, Skip Ambrose, Nicholas W. Bakner, Peter J. Bente, Travis L. Booms, Kurt K. Burnham, Suzanne Carrière, Michael T. Henderson, Sergey Kharitonov, Alexander V. Kondratyev, Pertti Koskimies, Olga Kulikova, Peter Lindberg, Berth-Ove Lindström, Svetlana Mechnikova, Dave Mossop, Søren Møller, Ólafur K. Nielsen, Kent Nilsson, Tuomo Ollila, Sture Orrhult, Ivan Pokrovsky, Marco Restani, Bryce W. Robinson, Robert N. Rosenfield, Ted Swem, Patrick H. Wightman, Nicholas P. Huffeldt\u0000 </p><p>Pertti Koskimies contributed data that were included in the analyzes. The online version of the article has been updated to reflect this addition, and the original authors sincerely apologize for this oversight.</p>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":""},"PeriodicalIF":12.5,"publicationDate":"2026-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/gcb.71086","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148858878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anna M. Visscher, Samuel Mathu Ndungu, Rafaela Feola Conz, Moritz Laub, Monicah Wanjiku Mucheru-Muna, Daniel Mugendi, Rebecca Yegon, Frank Rasche, Wycliffe Waswa, Mirjam Pulleman, Bernard Vanlauwe, Johan Six, Martin Hartmann
{"title":"Can Organic Amendments Override Environmental Filtering of Soil Microbiomes? Evidence From 20 Years Old Agricultural Field Trials in Contrasting Tropical Sites","authors":"Anna M. Visscher, Samuel Mathu Ndungu, Rafaela Feola Conz, Moritz Laub, Monicah Wanjiku Mucheru-Muna, Daniel Mugendi, Rebecca Yegon, Frank Rasche, Wycliffe Waswa, Mirjam Pulleman, Bernard Vanlauwe, Johan Six, Martin Hartmann","doi":"10.1111/gcb.71061","DOIUrl":"10.1111/gcb.71061","url":null,"abstract":"<p>Soil microbial communities underpin ecosystem functions critical for sustainable agriculture, yet our understanding of how long-term management of tropical agroecosystems shapes these communities remains limited. This is particularly the case in sub-Saharan Africa where soil health challenges are most acute for food security. Using four long-term (~20 years) experiments across contrasting agroecological zones in Kenya, we studied how organic inputs (farmyard manure, <i>Tithonia diversifolia</i>, <i>Zea mays</i> stover; applied at 4 Mg C ha<sup>−1</sup> year<sup>−1</sup>) and nitrogen fertilizer (±120 kg N ha<sup>−1</sup> per season as calcium ammonium nitrate) affect soil microbial communities. We combined amplicon sequencing of prokaryotic (16S rRNA) and fungal (ITS2) communities with quantification of nitrogen-cycling functional genes to examine microbial diversity, community composition, and functional potential. Site-level edaphic properties were the main correlate of community variation, namely 30% and 28% of prokaryotic and fungal β-diversity, respectively. Despite this strong environmental control, farmyard manure created distinguishable community patterns across all sites, significantly affecting 65 prokaryotic genera and achieving 96% reclassification success for fungal communities. Prokaryotic and fungal communities exhibited contrasting response patterns: prokaryotes responded predominantly to farmyard manure through enrichment of copiotrophic Bacillota (formerly Firmicutes), while fungi were sensitive to both farmyard manure and <i>T. diversifolia</i> green manure, recruiting distinct decomposer guilds based on substrate biochemistry. Functional gene responses were amplified at the driest, most nutrient-poor site, where farmyard manure led to a 30-fold increase in the abundance of ammonia-oxidizing bacteria compared to the control treatment. Mineral nitrogen fertilization alone did not produce distinct community composition but modestly reduced specific nitrogen-cycling genes. This demonstrates that organic resource management, not mineral inputs, drives long-term microbial community development. These findings provide decadal-scale evidence that sustained organic amendments can generate predictable microbial responses across environmentally heterogeneous tropical landscapes, informing integrated soil fertility management strategies for sub-Saharan Africa.</p>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":""},"PeriodicalIF":12.5,"publicationDate":"2026-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/gcb.71061","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148842961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yi Fan, Yiheng Tao, Bin Hua, Paul Kardol, Yakov Kuzyakov, Shuang Pang, Yi Wu, Tingling Li, Wei Yang, Honghui Wu, Anton A. Goncharov, Anastasia Yu. Korotkevich, Rong Mao, Yang Zhang, Ximei Zhang
{"title":"Decadal Resampling Reveals Widespread Increases in Soil Microbial Diversity Associated With Nitrogen Deposition","authors":"Yi Fan, Yiheng Tao, Bin Hua, Paul Kardol, Yakov Kuzyakov, Shuang Pang, Yi Wu, Tingling Li, Wei Yang, Honghui Wu, Anton A. Goncharov, Anastasia Yu. Korotkevich, Rong Mao, Yang Zhang, Ximei Zhang","doi":"10.1111/gcb.71083","DOIUrl":"10.1111/gcb.71083","url":null,"abstract":"<div>\u0000 \u0000 <p>Simulated manipulation experiments, such as nitrogen addition to mimic atmospheric nitrogen deposition, are widely used in global change research. However, experimental manipulations may differ from real-world environmental change in their intensity, duration, and co-occurrence, leaving long-term changes in soil microbial communities and soil health insufficiently understood. To address this gap, we resampled soils from 38 forest and grassland ecosystems across eastern China in 2009 and 2019 and assessed microbial taxonomic and functional diversity using shotgun metagenomics. Microbial diversity increased by 17% over the decade, accompanied by clear shifts in community composition. Among the environmental variables considered, nitrogen deposition (~19 kg nitrogen ha<sup>−1</sup> year<sup>−1</sup> across ecosystems) was the strongest predictor of changes in seven of 12 microbial community metrics. Larger nitrogen deposition was also associated with increased relative abundances of nitrogen-cycling genes and reduced spatial turnover in microbial community composition. These effects were consistent with a potential alleviation of nitrogen limitation and weakening of deterministic community assembly, although these mechanisms could not be directly established. In addition, increases in genes associated with carbon degradation and phosphorus cycling, together with declines in the relative abundances of pathogens, antibiotic resistance genes, and DNA viruses, coincided with the raise of the composite soil health index. Our findings demonstrate widespread decadal increases in soil microbial diversity and soil health across eastern China, with nitrogen deposition emerging as their strongest environmental factor. These results highlight that microbial responses to long-term ambient environmental change can differ markedly from responses inferred from short-term or high-intensity manipulation experiments.</p>\u0000 </div>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":""},"PeriodicalIF":12.5,"publicationDate":"2026-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148842963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Photosynthetic Responses to Rising CO2 and Temperature: Mechanisms, Models, and Field Evidence","authors":"Carl J. Bernacchi, Amanda P. Cavanagh","doi":"10.1111/gcb.71076","DOIUrl":"10.1111/gcb.71076","url":null,"abstract":"<p>Combined increases in atmospheric CO<sub>2</sub> and warming temperatures impact photosynthesis in complex yet mechanistically predictable ways. Seminal work in this area showed that temperatures above a thermal optimum reduce photosynthesis primarily by increasing photorespiration, but that elevated CO<sub>2</sub> and higher temperature can act synergistically to raise the thermal optimum of photosynthesis and increase absolute photosynthetic rates. The modeling work that led to this prediction outlined both the synergistic effects of CO<sub>2</sub> and temperature and hypothesized scenarios that could deviate from theory. Here, the assumptions underlying models of CO<sub>2</sub> × temperature interactions in photosynthesis are reviewed, with emphasis on advances in in vivo enzyme kinetics, diffusive limitations, photosynthetic acclimation, and atmospheric feedbacks. Advances in Rubisco biochemistry, mesophyll conductance, field experiments, and canopy-scale modeling show why photosynthetic responses under future climates often deviate from the theoretical CO<sub>2</sub> × temperature response. Scaling from leaf-level physiology to canopy carbon uptake is addressed to identify priorities for next-generation experiments and models. Together, this review highlights the work of the late Prof. Stephen P. Long, beginning with his pioneering manuscript that first addressed the synergistic effects of CO<sub>2</sub> and temperature on photosynthesis.</p>","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"32 9","pages":""},"PeriodicalIF":12.5,"publicationDate":"2026-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/gcb.71076","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148842962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The ‘Lifeboat Hypothesis’: Aquatic Microplastics in a Warming World—Climate‐Resilient Refugia for Bacterial Pathogens","authors":"Richard S. Quilliam, Michael J. Ormsby","doi":"10.1111/gcb.71078","DOIUrl":"https://doi.org/10.1111/gcb.71078","url":null,"abstract":"","PeriodicalId":175,"journal":{"name":"Global Change Biology","volume":"1 1","pages":""},"PeriodicalIF":11.6,"publicationDate":"2026-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148809863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}