Journal of Ecology最新文献

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Compensatory and statistical‐averaging effects jointly explain the decrease in species asynchrony over 60 years of succession 补偿效应和统计平均效应共同解释了60年演替中物种不同步的减少
IF 5.5 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-18 DOI: 10.1111/1365-2745.70405
Caiyue Yang, Yani Meng, Scott J. Meiners, Ming Zhao, Yuhao Zhao, Shiyu Ma, Shao‐Peng Li
{"title":"Compensatory and statistical‐averaging effects jointly explain the decrease in species asynchrony over 60 years of succession","authors":"Caiyue Yang, Yani Meng, Scott J. Meiners, Ming Zhao, Yuhao Zhao, Shiyu Ma, Shao‐Peng Li","doi":"10.1111/1365-2745.70405","DOIUrl":"https://doi.org/10.1111/1365-2745.70405","url":null,"abstract":"<jats:list> <jats:list-item> As succession proceeds, theory predicts increasingly asynchronous dynamics among species, thereby enhancing community temporal stability. However, recent studies often report decreased species asynchrony in older communities, and it remains unclear whether these successional changes in asynchrony reflect ecological processes or statistical mechanisms. </jats:list-item> <jats:list-item> Using a 60‐year vegetation time series from the Buell–Small Succession Study, we quantified temporal changes in species asynchrony during old‐field succession. We then decomposed species asynchrony into compensatory effects ( <jats:italic>CPE</jats:italic> ) and statistical‐averaging effects ( <jats:italic>SAE</jats:italic> ) to assess the relative importance of these components. We further examined how <jats:italic>CPE</jats:italic> and <jats:italic>SAE</jats:italic> are related to species richness and whether these relationships shift through time. </jats:list-item> <jats:list-item> We show that the long‐term decline in species asynchrony over succession was jointly explained by decreases in both <jats:italic>CPE</jats:italic> and <jats:italic>SAE</jats:italic> . <jats:italic>SAE</jats:italic> consistently accounted for a larger proportion of species asynchrony, but <jats:italic>CPE</jats:italic> declined more strongly over succession and therefore contributed more to the overall decline in species asynchrony. We further show that <jats:italic>SAE</jats:italic> , but not <jats:italic>CPE</jats:italic> , consistently increased with species richness at all stages, indicating that losses of diversity in later successional stages were associated with lower <jats:italic>SAE</jats:italic> . Consequently, both the direct decline in <jats:italic>CPE</jats:italic> and the indirect decline in <jats:italic>SAE</jats:italic> via decreased richness contributed to the observed decrease in species asynchrony over succession. </jats:list-item> <jats:list-item> <jats:italic>Synthesis</jats:italic> . Our results provide clear evidence that both the compensatory dynamics and statistical‐averaging mechanisms contribute to long‐term decreases in species asynchrony during succession, and that the stabilizing role of diversity is largely linked to statistical averaging. These insights refine classical views of successional dynamics and deepen our understanding of how biodiversity–stability relationships unfold over time. </jats:list-item> </jats:list>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"53 1","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148475826","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
Phenotypic plasticity of invasive knotweed across Europe: A distributed common garden experiment 欧洲入侵结叶草的表型可塑性:一个分布的普通园林实验
IF 5.5 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-18 DOI: 10.1111/1365-2745.70393
Ramona‐Elena Irimia, Madalin Parepa, Nicole Sebesta, Elena Barni, Elisa Giaccone, Yaolin Guo, Sophie Karrenberg, Christina L. Richards, Oliver Bossdorf
{"title":"Phenotypic plasticity of invasive knotweed across Europe: A distributed common garden experiment","authors":"Ramona‐Elena Irimia, Madalin Parepa, Nicole Sebesta, Elena Barni, Elisa Giaccone, Yaolin Guo, Sophie Karrenberg, Christina L. Richards, Oliver Bossdorf","doi":"10.1111/1365-2745.70393","DOIUrl":"https://doi.org/10.1111/1365-2745.70393","url":null,"abstract":"<jats:list> <jats:list-item> Successful large‐scale biological invasions require introduced species to either rapidly adapt to a broad range of—partly novel—environmental conditions, or to possess a high level of phenotypic plasticity. Replicated common garden experiments across the introduced range provide a powerful framework to investigate these complementary mechanisms. </jats:list-item> <jats:list-item> To better understand population differentiation, adaptation and plasticity of invasive Japanese knotweed ( <jats:italic>Reynoutria japonica</jats:italic> ) in Europe, we compared the performance of knotweed plants from 46 European populations, collected across a 2000 km latitudinal transect, in three common gardens with contrasting climatic conditions, one at the southern edge, one in the centre and one at the northern edge of the species' European distribution. </jats:list-item> <jats:list-item> The plants exhibited strong phenotypic plasticity across the three gardens, with a more acquisitive growth strategy in the southern garden, and a more conservative strategy and change of architecture in the climatically unfavourable north. Although we observed phenotypic selection on several leaf traits, with some differences in selection between the gardens, we found little evidence for population differentiation or local adaptation, that is variation in plant performance was not negatively related to climate or geographic distance. Greater plasticity in leaf thickness across gardens was linked to the production of fewer but larger shoots, indicating a trade‐off between growth and clonal expansion. In addition, populations from higher latitudes and regions with greater inter‐annual temperature variability displayed increased plasticity in shoot volume and shrubbiness, but reduced plasticity in shoot number. </jats:list-item> <jats:list-item> <jats:italic>Synthesis</jats:italic> . Our results suggest that local adaptation has not played a key role in the success of Japanese knotweed in Europe. Instead, its high overall phenotypic plasticity (‘general purpose genotype’), as well as evolutionary fine‐tuning of plasticity, may have contributed to the species' invasion success across a broad range of environments. </jats:list-item> </jats:list>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"15 1","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148476221","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
Divergent long-term trends in vegetation carbon turnover between mature and young forests 成熟森林和幼林间植被碳周转的长期趋势差异
IF 6.3 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-17 DOI: 10.1111/1365-2745.70396
Xiaoli Ren, Rong Ge, Honglin He, Jonathan Chase, Tianxiang Wang, Qian Xu, Shilong Piao, Josep Penuelas, Li Zhang, Shi-Yong Yu, Yuanhe Yang, Kailiang Yu, Tao Zhou, Jin-Sheng He, Yijing Bai, Mengyu Zhang, Dexiang Chen, Luxiang Lin, Qing Ye, Juxiu Liu, Ze-Xin Fan, Weidong Zhang, Wenhua Xiang, Zongqiang Xie, Fusun Shi, Lingli Liu, Yangang Wang, Anzhi Wang, Qiuliang Zhang, Guirui Yu
{"title":"Divergent long-term trends in vegetation carbon turnover between mature and young forests","authors":"Xiaoli Ren,&nbsp;Rong Ge,&nbsp;Honglin He,&nbsp;Jonathan Chase,&nbsp;Tianxiang Wang,&nbsp;Qian Xu,&nbsp;Shilong Piao,&nbsp;Josep Penuelas,&nbsp;Li Zhang,&nbsp;Shi-Yong Yu,&nbsp;Yuanhe Yang,&nbsp;Kailiang Yu,&nbsp;Tao Zhou,&nbsp;Jin-Sheng He,&nbsp;Yijing Bai,&nbsp;Mengyu Zhang,&nbsp;Dexiang Chen,&nbsp;Luxiang Lin,&nbsp;Qing Ye,&nbsp;Juxiu Liu,&nbsp;Ze-Xin Fan,&nbsp;Weidong Zhang,&nbsp;Wenhua Xiang,&nbsp;Zongqiang Xie,&nbsp;Fusun Shi,&nbsp;Lingli Liu,&nbsp;Yangang Wang,&nbsp;Anzhi Wang,&nbsp;Qiuliang Zhang,&nbsp;Guirui Yu","doi":"10.1111/1365-2745.70396","DOIUrl":"10.1111/1365-2745.70396","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"114 7","pages":""},"PeriodicalIF":6.3,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148459637","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
Contrasting molecular‐level carbon traits underlying leaf and root economic strategies in a subtropical forest 亚热带森林叶片和根系经济策略的分子水平碳特征对比
IF 5.5 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-16 DOI: 10.1111/1365-2745.70404
Guangru Wang, Han Yang, Peipei Zhang, Jipeng Wang, Dungang Wang, Huajun Yin
{"title":"Contrasting molecular‐level carbon traits underlying leaf and root economic strategies in a subtropical forest","authors":"Guangru Wang, Han Yang, Peipei Zhang, Jipeng Wang, Dungang Wang, Huajun Yin","doi":"10.1111/1365-2745.70404","DOIUrl":"https://doi.org/10.1111/1365-2745.70404","url":null,"abstract":"<jats:list> <jats:list-item> Carbon constitutes the biochemical basis of plant survival and evolution. Plant trait‐based economic frameworks have revealed divergent strategic trade‐offs in leaves (leaf economics spectrum, LES) and roots (root economics space, RES). However, how carbon molecular compounds coordinate with organ‐specific economic strategies and whether they follow similar biochemical foundations remain unknown. </jats:list-item> <jats:list-item> We employed the solid‐state <jats:sup>13</jats:sup> C nuclear magnetic resonance to quantify key carbon functional groups in leaves and roots across 13 coexisting subtropical tree species and assess their coordination with LES and RES. </jats:list-item> <jats:list-item> The results showed contrasting coordination of carbon traits with economic strategies in leaves and roots. Specifically, leaves with the acquisitive strategy prioritized physiologically active and nitrogen‐rich carbon over structural carbohydrates used for longevity maintenance, while defence carbon compounds decoupled from the LES. However, roots exhibited a primary trade‐off where bioactive carbon aligned against defence compounds along the conservation gradient. Orthogonally, root structural carbohydrate proportions traded off against carbon molecular diversity, aligning to the root collaboration gradient from ‘do‐it‐yourself’ soil exploration to collaboration with mycorrhizal fungi. </jats:list-item> <jats:list-item> <jats:italic>Synthesis.</jats:italic> These findings highlight divergent carbon bases in shaping above‐ and below‐ground multidimensional economics trait space, providing new mechanistic insights into whole‐plant strategic trade‐offs that govern plant adaptations and species coexistence in heterogeneous environments. </jats:list-item> </jats:list>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"254 1","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148460035","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
Latitudinal patterns in growth and defence against multiple enemies of an invasive species and its native congener 一个入侵物种及其本土同族的生长和防御的纬度模式
IF 5.5 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-15 DOI: 10.1111/1365-2745.70399
Biao Zhu, Yifan He, Lunlun Gao, Chunqiang Wei, Hao Xu, Xiaoyan Liu, Jiatao Xie, Zhijie Zhang, Joshua S. Lynn, Evan Siemann, Xinmin Lu
{"title":"Latitudinal patterns in growth and defence against multiple enemies of an invasive species and its native congener","authors":"Biao Zhu, Yifan He, Lunlun Gao, Chunqiang Wei, Hao Xu, Xiaoyan Liu, Jiatao Xie, Zhijie Zhang, Joshua S. Lynn, Evan Siemann, Xinmin Lu","doi":"10.1111/1365-2745.70399","DOIUrl":"https://doi.org/10.1111/1365-2745.70399","url":null,"abstract":"<jats:list> <jats:list-item> Some invasive plant species rapidly develop latitudinal patterns of growth and defence against herbivores in their introduced ranges, either parallel to or different from those of co‐occurring native plant species. However, how defences against multiple enemies relate to latitude and environmental drivers for co‐occurring native and invasive plant species remains uncertain. </jats:list-item> <jats:list-item> We assessed latitudinal patterns in growth and defences against multiple enemies for the invasive species <jats:italic>Alternanthera philoxeroides</jats:italic> and its native congener <jats:italic>A. sessilis</jats:italic> in China, with surveys of natural populations and a common garden experiment with ~50 populations. We explored how plant growth and defences were associated with source site environments. </jats:list-item> <jats:list-item> In natural populations, foliar defoliation and pathogen infection peaked at intermediate latitude, while herbivore richness and abundance, richness of overall rhizosphere fungi and pathogens decreased with latitude for both species. In the common garden, native species' growth decreased with source population latitude, while native plant resistance against the dominant insect herbivore and root‐knot nematode parasite increased with source latitude. Invasive species' growth and defences were unrelated to source population latitude. Resistance to a common foliar fungal pathogen did not vary with source population latitude for either species. Traits of native plants were consistent with direct effects of climate while those of invasive plants only reflected indirect effects. </jats:list-item> <jats:list-item> <jats:italic>Synt</jats:italic> hesis. The results underscore the latitudinal variability of biotic interactions across organisms and highlight how a species' growth and defence across latitude are not influenced by herbivores alone, but a suite of enemies and abiotic conditions. </jats:list-item> </jats:list>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"32 1","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148440792","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
Above‐ground and below‐ground productivity shows divergent compensatory responses to grazing in an alpine grassland 高寒草地地上和地下生产力对放牧表现出不同的补偿响应
IF 5.5 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-14 DOI: 10.1111/1365-2745.70401
Hongbiao Zi, Xin Jing, Hao Wang, Bai Yue, Huijie Gu, Zhenhua Zhang, Jin‐Sheng He
{"title":"Above‐ground and below‐ground productivity shows divergent compensatory responses to grazing in an alpine grassland","authors":"Hongbiao Zi, Xin Jing, Hao Wang, Bai Yue, Huijie Gu, Zhenhua Zhang, Jin‐Sheng He","doi":"10.1111/1365-2745.70401","DOIUrl":"https://doi.org/10.1111/1365-2745.70401","url":null,"abstract":"<jats:list> <jats:list-item> The grazing optimization hypothesis suggests that moderate herbivory can stimulate plant growth and increase productivity, a phenomenon referred to as overcompensation. However, most evidence for this response is based on above‐ground responses, while below‐ground responses remain uncertain. Below‐ground productivity accounts for more than half of total grassland productivity, making it essential to assess whole‐plant responses. </jats:list-item> <jats:list-item> We conducted a 3‐year yak grazing‐intensity experiment, manipulating four levels of herbivory, and quantified compensation indices for both above‐ground (ANPP) and below‐ground (BNPP) net primary productivity relative to ungrazed controls. We complemented this with a controlled simulated‐grazing experiment to isolate the effects of defoliation, trampling and excrement on these compensation responses. </jats:list-item> <jats:list-item> Across light, moderate and heavy grazing treatments, ANPP increased by 28%–43% relative to ungrazed controls, suggesting clear overcompensation in above‐ground production. In contrast, BNPP showed little response to grazing intensity and exhibited only limited compensatory responses, such that total net primary productivity (NPP) showed only weak overcompensation. Over time, the magnitude of ANPP overcompensation declined, whereas no temporal attenuation was detected for BNPP or total NPP. Results from the simulated‐grazing experiment further showed that defoliation alone increased ANPP, while trampling and excreta return had negligible effects on ANPP, BNPP or their associated compensation indices. </jats:list-item> <jats:list-item> <jats:italic>Synthesis</jats:italic> . Our findings suggest that reliance on aboveground‐only measurements systematically overestimates the degree of overcompensation in grazed grasslands, underscoring the necessity of whole‐plant assessments for accurately evaluating grassland productivity. </jats:list-item> </jats:list>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"31 1","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148432110","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
Tree canopy shapes the survival of oak and beech saplings during the regeneration stage along an elevation‐driven temperature gradient 在更新阶段,树冠沿着海拔驱动的温度梯度塑造了橡树和山毛榉幼树的存活率
IF 5.5 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-14 DOI: 10.1111/1365-2745.70400
Benjamin Roux, Yann Vitasse, Sylvain Delzon, Thomas Caignard, Richard Michalet
{"title":"Tree canopy shapes the survival of oak and beech saplings during the regeneration stage along an elevation‐driven temperature gradient","authors":"Benjamin Roux, Yann Vitasse, Sylvain Delzon, Thomas Caignard, Richard Michalet","doi":"10.1111/1365-2745.70400","DOIUrl":"https://doi.org/10.1111/1365-2745.70400","url":null,"abstract":"&lt;jats:list&gt; &lt;jats:list-item&gt; Climate change is increasing the severity and frequency of heatwave and drought events, affecting forest community composition through changes in the mediating microclimatic effect of dominant adult trees. Predicting these changes requires understanding how temperature interacts with biotic factors, such as canopy‐mediated facilitation and competition, during forest regeneration. &lt;/jats:list-item&gt; &lt;jats:list-item&gt; Here, we investigate how the forest canopy modifies temperature‐ and light‐related constraints on sapling survival along an elevation gradient. We conducted a reciprocal transplant experiment using saplings of &lt;jats:italic&gt;Fagus sylvatica&lt;/jats:italic&gt; and &lt;jats:italic&gt;Quercus petraea&lt;/jats:italic&gt; along an elevation‐driven temperature gradient (100–1600 m) in the French Pyrenees. Saplings were planted under two tree‐neighbour conditions, under forest canopy and in open gaps, allowing analysis of the effects of temperature, canopy cover and their interactions on survival. The experimentally derived survival‐temperature relationships were then used to generate spatial projections of canopy effects on sapling survival under a warming scenario. &lt;/jats:list-item&gt; &lt;jats:list-item&gt; Sapling survival declined with increasing elevation for both species, but responses differed between canopy conditions and species. &lt;jats:italic&gt;Q. petraea&lt;/jats:italic&gt; survival decreased sharply under canopy at high elevation, whereas &lt;jats:italic&gt;F. sylvatica&lt;/jats:italic&gt; showed reduced survival in open gaps at the lowest elevation. These patterns reflect contrasting biotic interactions along the thermal gradient: canopy competition constrains &lt;jats:italic&gt;Q. petraea&lt;/jats:italic&gt; at high elevations due to heat limitation, while canopy facilitation benefits &lt;jats:italic&gt;F. sylvatica&lt;/jats:italic&gt; at the lowest elevation by buffering heat and vapour pressure deficit. Spatial projections under climate warming suggested improved canopy effect for both species at lower elevations, whereas at higher elevations &lt;jats:italic&gt;Q. petraea&lt;/jats:italic&gt; benefits from canopy, but &lt;jats:italic&gt;F. sylvatica&lt;/jats:italic&gt; experiences degraded effects. &lt;/jats:list-item&gt; &lt;jats:list-item&gt; Our findings highlight the key role of &lt;jats:italic&gt;strain—&lt;/jats:italic&gt; the degree to which local conditions deviate from a species' physiological optimum &lt;jats:italic&gt;—&lt;/jats:italic&gt; in shaping competitive and facilitative interactions. While environmental &lt;jats:italic&gt;stress&lt;/jats:italic&gt; sets the external constraint, species &lt;jats:italic&gt;strain&lt;/jats:italic&gt; determines whether the canopy cover functions as a buffer or an inhibitor. &lt;/jats:list-item&gt; &lt;jats:list-item&gt; &lt;jats:italic&gt;Synthesis&lt;/jats:italic&gt; . By altering microclimatic conditions, the tree canopy can either alleviate or intensify strain depending on the species, thus influencing sapling survival and establishment along thermal gradients. Our results underscore the need to explicitly account for bioti","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"13 1","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148432455","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
Adaptational lag at high elevations depends on life stage in a California wildflower 加利福尼亚野花在高海拔地区的适应滞后取决于其生命阶段
IF 6.3 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-13 DOI: 10.1111/1365-2745.70379
Brandie Quarles-Chidyagwai, Sarah Ashlock, Johanna Schmitt, Julin N. Maloof, Jennifer R. Gremer
{"title":"Adaptational lag at high elevations depends on life stage in a California wildflower","authors":"Brandie Quarles-Chidyagwai,&nbsp;Sarah Ashlock,&nbsp;Johanna Schmitt,&nbsp;Julin N. Maloof,&nbsp;Jennifer R. Gremer","doi":"10.1111/1365-2745.70379","DOIUrl":"10.1111/1365-2745.70379","url":null,"abstract":"<p>\u0000 \u0000 </p>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"114 7","pages":""},"PeriodicalIF":6.3,"publicationDate":"2026-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/1365-2745.70379","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148432109","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
Interacting effects of water availability, neighbourhood density and ectomycorrhizal fungi on the traits and growth of a dominant Dipterocarp 水分有效性、邻域密度和外生菌根真菌对优势龙脑果实性状和生长的交互影响
IF 5.5 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-13 DOI: 10.1111/1365-2745.70398
Libing Pan, Xiaoyang Song, Min Cao, Jie Yang, Nathan G. Swenson
{"title":"Interacting effects of water availability, neighbourhood density and ectomycorrhizal fungi on the traits and growth of a dominant Dipterocarp","authors":"Libing Pan, Xiaoyang Song, Min Cao, Jie Yang, Nathan G. Swenson","doi":"10.1111/1365-2745.70398","DOIUrl":"https://doi.org/10.1111/1365-2745.70398","url":null,"abstract":"<jats:list> <jats:list-item> Southeast Asian forests are increasingly impacted by global change. Precipitation reduction is a key driver whose effects on tree performance are mediated by biotic contexts such as tree density and altered soil fungal communities. Understanding tree responses to these drivers is central to predicting forest dynamics. However, these drivers are often studied independently despite their potential for interactive effects. Trait‐based approaches that ignore these interactions by assuming static trait values may provide limited or biased insights into future forests. </jats:list-item> <jats:list-item> We manipulated three key variables in a glasshouse experiment: water availability (simulating decreasing precipitation) and two biotic contexts, neighbourhood density and soil ectomycorrhizal (EcM) fungal communities. We assessed their independent and interactive effects on the growth, traits and trait–growth relationships of <jats:italic>Parashorea chinensis</jats:italic> , a dominant Dipterocarp species in southeast Asian tropical rainforests. </jats:list-item> <jats:list-item> Our results demonstrate that, while water availability is the dominant driver of seedling growth, the impact is magnified by seedling density. Promotion of seedling growth by soil EcM fungi is observed under wet but not dry conditions. Seedling trait–growth relationships are highly context‐dependent, varying across treatments (i.e. water availability, neighbourhood density and fungicide). For instance, while root and stem traits exhibited weak or inconsistent relationships with growth, leaf traits such as leaf area and specific leaf area correlated strongly with growth across treatments. These findings indicate that predictions based upon static species‐level trait values will be highly uncertain, revealing that trait–performance relationships are more complex than assumed. </jats:list-item> <jats:list-item> <jats:italic>Synthesis</jats:italic> . Our results reveal that trait–growth relationships shift across water availability, neighbourhood density and soil biotas, challenging current vegetation models that rely on mean trait values. These findings highlight the need to move beyond single‐driver studies and static trait assumptions by integrating these factors to develop more robust predictions of future forest performance. </jats:list-item> </jats:list>","PeriodicalId":191,"journal":{"name":"Journal of Ecology","volume":"33 1","pages":""},"PeriodicalIF":5.5,"publicationDate":"2026-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148428810","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
Extending the leaf economics spectrum: Freshwater plant communities exhibit realm-specific leaf adaptations 扩展叶片经济学光谱:淡水植物群落表现出特定领域的叶片适应性
IF 6.3 1区 环境科学与生态学
Journal of Ecology Pub Date : 2026-07-11 DOI: 10.1111/1365-2745.70402
Lindsay Louise Trottier, Francisca C. Aguiar, Janne Alahuhta, Balázs András Lukács, Lars Baastrup-Spohr, Vincent Bertrin, Sebastian Birk, Sébastien Boutry, Christian Chauvin, Frauke Ecke, Tõnu Feldmann, Cindy Gao, Jorge García-Girón, Daniel Gebler, Gana Gecheva, Gerben J. van Geest, Willem Kaijser, Yingji Pan, Maud Pierre, Maija Toivanen, Lars L. Iversen
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引用次数: 0
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