Ecology Letters最新文献_第9页

Beyond Co-Occurrence: Multi-Scale Evidence for Segregation-Dominated Plant Networks in the French Alps. 超越共生：法国阿尔卑斯山以隔离为主的植物网络的多尺度证据。

IF 7.7 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01 DOI: 10.1111/ele.70393

Matthias Rohr, Alexandre Wendling, Tamara Münkemüller, Dominique Gravel, Clovis Galiez, Julien Renaud, Orchamp Consortium, Wilfried Thuiller

{"title":"Beyond Co-Occurrence: Multi-Scale Evidence for Segregation-Dominated Plant Networks in the French Alps.","authors":"Matthias Rohr, Alexandre Wendling, Tamara Münkemüller, Dominique Gravel, Clovis Galiez, Julien Renaud, Orchamp Consortium, Wilfried Thuiller","doi":"10.1111/ele.70393","DOIUrl":"10.1111/ele.70393","url":null,"abstract":"Understanding how plants influence each other's spatial distribution is pivotal not only for interpreting current communities, but also for anticipating their responses to global changes. The combination of high-resolution, multi-scale sampling and novel statistical frameworks now enables us to identify species aggregations and segregations within their local co-occurrences. By applying this approach to approximately 800 plant species and their communities across the French Alps, we discovered that local species associations are dependent on soil acidity and nitrogen rather than climate. By building a regional network from these associations, we identified a centralised core comprising a few dominant, stress-tolerant graminoids and shrubs with high leaf dry matter content and no unique functional roles. Our findings demonstrate that plant community assembly is less dependent on random co-occurrence and more dependent on segregation around a few dominant, stress-tolerant species, with soil conditions modulating the outcome of local associations.","PeriodicalId":161,"journal":{"name":"Ecology Letters","volume":"29 5","pages":"e70393"},"PeriodicalIF":7.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13135133/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147808928","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}

引用次数: 0

IF 7.9 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01

引用次数: 0

Macroevolution of Steep Interspecific Metabolic Allometry in an Old Insect Order. 古昆虫目陡然种间代谢异速的宏观进化。

IF 7.7 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01 DOI: 10.1111/ele.70399

Daniel Schönberger, Moa Metz, Masahito Tsuboi, Giuseppe Bianco, Zachary C DeVries, Andreas Nord, Erik I Svensson

{"title":"Macroevolution of Steep Interspecific Metabolic Allometry in an Old Insect Order.","authors":"Daniel Schönberger, Moa Metz, Masahito Tsuboi, Giuseppe Bianco, Zachary C DeVries, Andreas Nord, Erik I Svensson","doi":"10.1111/ele.70399","DOIUrl":"10.1111/ele.70399","url":null,"abstract":"Endotherms exhibit metabolic allometric slopes of 0.75, which were long viewed as evolutionary constraints but which are increasingly questioned. In insects, allometric relationships between body size and metabolism are understudied. We used comparative phylogenetic methods to investigate macroevolution of metabolic allometry in Odonata (dragonflies and damselflies), an insect group with a unique ecology and dramatic macroevolution of body size. We found an interspecific allometric slope close to one (isometry). Metabolic rates evolved gradually with a weak pullback force and multiple shifts in metabolic optima, body size and flight behaviour. Cell size, nucleus size and body surface area did not explain this steep allometric slope. Instead, metabolic isometry likely reflects the high aerobic demands of flight and evolutionary increases in body size via cell numbers rather than cell size. Our results challenge traditional allometric theories and suggest that metabolic allometries can and do evolve, with far-reaching implications for insect size evolution.","PeriodicalId":161,"journal":{"name":"Ecology Letters","volume":"29 5","pages":"e70399"},"PeriodicalIF":7.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13180310/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147961584","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}

引用次数: 0

IF 7.9 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01

引用次数: 0

A Global Comparison of Direct and Legacy Effects of Drought on Ecosystem Productivity. 干旱对生态系统生产力的直接和遗留影响的全球比较

IF 7.7 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01 DOI: 10.1111/ele.70390

Meng Liu, Steven A Kannenberg, Josep Peñuelas, William R L Anderegg

引用次数: 0

Species Assembly Is Lineage Specific: Phylogenetic Divergent Species Aggregate in Some Lineages but Segregate in Others. 物种聚集是谱系特异性的：系统发育不同的物种在一些谱系中聚集，但在另一些谱系中分离。

IF 7.7 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01 DOI: 10.1111/ele.70402

Keliang Zhang, Alexander J Fergus, Lou Barbe, Bernhard Schmid, Eric Allan, Tania Jenkins, Christiane Roscher, Thomas Leclère, Igor V Bartish, Andreas Prinzing

{"title":"Species Assembly Is Lineage Specific: Phylogenetic Divergent Species Aggregate in Some Lineages but Segregate in Others.","authors":"Keliang Zhang, Alexander J Fergus, Lou Barbe, Bernhard Schmid, Eric Allan, Tania Jenkins, Christiane Roscher, Thomas Leclère, Igor V Bartish, Andreas Prinzing","doi":"10.1111/ele.70402","DOIUrl":"10.1111/ele.70402","url":null,"abstract":"Phylogenetic divergence between species may weaken both negative and positive biotic interactions. Whether, as a result, divergent species aggregate or segregate remains unclear. These interactions differ among lineages, and without immigration, the effects of interactions might be overridden by dispersal limitation. We studied changes in co-occurrence across 5 years for 1770 pairs of grassland species drawn primarily from four major lineages (families), reducing dispersal limitation by seed addition. Across all lineages, changes in co-occurrence were almost unrelated to phylogenetic divergence, partly reflecting opposing relationships within two groups of families: Fabaceae/Poaceae, where more divergent species segregated, versus Asteraceae/Apiaceae, where they aggregated. Dispersal limitation through lack of immigration existed, without eliminating divergence effects. We conclude that species assembly differed between major lineages, with spatial aggregation in Asteraceae/Apiaceae possibly reflecting limiting similarity, whereas segregation in Fabaceae/Poaceae may reflect mutualist incompatibility or asymmetric competition. These processes could feedback on within-lineage diversification.","PeriodicalId":161,"journal":{"name":"Ecology Letters","volume":"29 5","pages":"e70402"},"PeriodicalIF":7.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147968992","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}

引用次数: 0

Drivers and Consequences of Size Declines in Unicells. 单细胞大小下降的驱动因素和后果。

IF 7.7 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01 DOI: 10.1111/ele.70387

Dustin J Marshall, Hayley E Cameron, Akira Abe, Suzana Goncalves Leles, Craig R White, John Delong

{"title":"Drivers and Consequences of Size Declines in Unicells.","authors":"Dustin J Marshall, Hayley E Cameron, Akira Abe, Suzana Goncalves Leles, Craig R White, John Delong","doi":"10.1111/ele.70387","DOIUrl":"10.1111/ele.70387","url":null,"abstract":"The communities of unicellular microbes (bacteria, protists and yeasts) that underpin ecosystems are changing. In warmer conditions, protists tend to shrink, but the consequences of these changes in size are unclear. We show preliminary evidence that warming-mediated declines in cell size observed in protists also apply to bacteria and yeasts. Predicting the consequences of these warming-mediated size declines requires that the relationships between cell size and key functional traits are well-characterised. We show that the critical relationship between unicellular size and energy use-that is, metabolic scaling-has been systematically mis-estimated in the past. Projections of the effects of warming on unicellular respiration change from superlinear to sublinear once the metabolic scaling relationship is updated, with worrying consequences for the biological carbon pump and other ecosystem services. Other size-function scaling relationships (e.g., photosynthesis) are likely to have been similarly mis-estimated. Next, we show that theory on the relationships between size, temperature and demography is more ambivalent than previously recognised, leaving uncertainty as to how warming will alter the dynamics of unicellular populations. Finally, we identify pathways for improving our capacity to predict future changes in unicellular size, and decrease the uncertainty surrounding the consequences of these changes.","PeriodicalId":161,"journal":{"name":"Ecology Letters","volume":"29 5","pages":"e70387"},"PeriodicalIF":7.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13146120/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147831317","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}

引用次数: 0

Evolution of Reproductive Plasticity in a Seasonal Tropical Environment. 热带季节性环境下生殖可塑性的进化。

IF 7.7 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01 DOI: 10.1111/ele.70401

Marcus Hicks, Zunilda Escalante-Arteaga, Lizett Retuerto-Silva, Jamal Kabir, Tú Minh Au, Sridhar Halali, Geoffrey Gallice, Vicencio Oostra

{"title":"Evolution of Reproductive Plasticity in a Seasonal Tropical Environment.","authors":"Marcus Hicks, Zunilda Escalante-Arteaga, Lizett Retuerto-Silva, Jamal Kabir, Tú Minh Au, Sridhar Halali, Geoffrey Gallice, Vicencio Oostra","doi":"10.1111/ele.70401","DOIUrl":"10.1111/ele.70401","url":null,"abstract":"Seasonality can drive the evolution of reproductive plasticity in insects. An extreme form is reproductive diapause, where individuals halt reproduction during unfavourable seasons. How diapause evolves from milder forms of plasticity (e.g., through changes in cue perception and responses) is poorly understood. In the tropics, seasonality is common, but it is unclear how widespread reproductive plasticity is, or how it correlates with dry and wet seasons. Here, we analyse reproductive plasticity in Amazonian butterflies using a four-year monthly time series of reproductive phenotypes. Sampling nine species across four Nymphalidae subfamilies, we observe a widespread occurrence of diverse reproductive plasticity, suggesting repeated evolutionary changes in reproductive plasticity. Detailed analyses of two Catonephele species reveal a conserved cue (temperature), with species-specific divergence of cue response (dry season diapause only in C. acontius). Together, our data support the ubiquity of reproductive plasticity in the tropics and suggest repeated evolutionary change in diapause.","PeriodicalId":161,"journal":{"name":"Ecology Letters","volume":"29 5","pages":"e70401"},"PeriodicalIF":7.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148012764","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}

引用次数: 0

IF 7.9 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01

引用次数: 0

Plant Functional Traits and Vegetation Structure Explain Pollination Networks at Scale. 植物功能性状和植被结构在尺度上解释授粉网络。

IF 7.7 1区环境科学与生态学

Ecology Letters Pub Date : 2026-05-01 DOI: 10.1111/ele.70389

Kendall M Jefferys, Luísa G Carvalheiro, Adrian González Chaves, Jacobus Petersen, Xiongjie Deng, Waira S Machida, Katherine C R Baldock, Danilo Boscolo, Daniel W Carstensen, Alice Classen, Patrícia Alves Ferreira, Breno M Freitas, Alípio José de Souza Pacheco Filho, Travis J Guy, Ruben Heleno, Christopher N Kaiser-Bunbury, Luciano E Lopes, Gabriel Guariglia Perez, Raimunda Gomes Silva Soares, Anna Traveset, Chloe Strevens, Jesús Aguirre-Gutiérrez

{"title":"Plant Functional Traits and Vegetation Structure Explain Pollination Networks at Scale.","authors":"Kendall M Jefferys, Luísa G Carvalheiro, Adrian González Chaves, Jacobus Petersen, Xiongjie Deng, Waira S Machida, Katherine C R Baldock, Danilo Boscolo, Daniel W Carstensen, Alice Classen, Patrícia Alves Ferreira, Breno M Freitas, Alípio José de Souza Pacheco Filho, Travis J Guy, Ruben Heleno, Christopher N Kaiser-Bunbury, Luciano E Lopes, Gabriel Guariglia Perez, Raimunda Gomes Silva Soares, Anna Traveset, Chloe Strevens, Jesús Aguirre-Gutiérrez","doi":"10.1111/ele.70389","DOIUrl":"10.1111/ele.70389","url":null,"abstract":"Quantifying biotic interactions at scale is critical to understanding ecosystem functions, such as plant-pollinator interactions. Here, we demonstrate how woody plant functional traits and vegetation structure gathered with remote sensing can aid in predicting plant-pollinator network indices from fine to broad spatial extents. We analysed 209 tropical plant-pollinator networks, where vegetation characteristics were generated using spectral and LiDAR data. We found that pollination network structures were correlated to plant traits reflective of drought-adaptive strategies and nutrient availability. Networks were predicted to be more nested and less specialised with increasing leaf nitrogen content. Further, relationships between leaf thickness, photosynthetic capacity, and water content indicate that networks may be more modular and less connected under arid, high-light conditions where plants invest in water-conserving tissues yet maintain high photosynthetic rates. Our findings reveal plant functional strategies as underlying environmental mechanisms that structure plant-pollinator networks, paving the way to predict interactions using remote sensing.","PeriodicalId":161,"journal":{"name":"Ecology Letters","volume":"29 5","pages":"e70389"},"PeriodicalIF":7.7,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147986026","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}

引用次数: 0