Journal of Biogeography最新文献

{"title":"Global Disturbances, Local Responses and Cascading Impacts in the Southernmost Nothofagus pumilio Forests: A Review","authors":"Camila Fernández-Urrutia, Rosa Reyes-Riveros, Leonardo Almonacid-Muñoz, Martín A. Nuñez, Rodrigo Vargas-Gaete, Hector Herrera, Paula Meli, Andres Fuentes-Ramirez","doi":"10.1111/jbi.70378","DOIUrl":"https://doi.org/10.1111/jbi.70378","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Dominant trees govern the structure and functioning of temperate forests, and their decline following disturbance often signals reduced resilience and diminished capacity for ecosystem recovery. Disturbances affecting these species have been widely documented in isolation, yet their combined and interacting effects remain poorly synthesized, particularly outside the Northern Hemisphere.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Southern cone of South America.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p><i>Nothofagus pumilio</i> (Poepp. & Endl.) Krasser (Magnoliopsida: Nothoafaceae).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We review the effects of individual and combined disturbances on dominant tree species of temperate forests, with a particular focus on <i>Nothofagus pumilio</i>, the dominant tree species of southern South American temperate forests. Using a two-scale literature review, we first conducted a restricted global search to identify disturbance categories documented in temperate forests and their reported effects on dominant tree species. This served as a framework for a subsequent in-depth analysis of how those disturbances affect <i>N. pumilio</i> forests across their distribution. We searched Web of Science and Scopus for empirical studies explicitly addressing disturbance impacts on dominant tree species and classified articles by disturbance type.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Climatic disturbances, wildfires, biological disturbances, and logging are recurrently documented in temperate forests, and strongly affect <i>N. pumilio</i> throughout its range. Interactions among multiple disturbances represent an increasingly important driver of <i>N. pumilio</i> forest degradation. Climate change amplifies fire activity, triggering cascading effects when combined with pressures such as grazing and biological invasions. <i>N. pumilio</i> exhibits variable and sometimes contrasting responses to the same disturbance depending on local conditions.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>We conclude that multiple, interacting disturbances can jeopardize the persistence of even dominant, plastic species. Forest dynamics models and management strategies should integrate these complex interactions to better anticipate the feedbacks and thresholds that may endanger tree populations and to guide effective mitigation measures. Promoting mixed-species stands through active restoration, reducing","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 10","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149145842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Future Extreme Climatic Events May Reshape Butterfly Distributions Across Biomes in Italy","authors":"Dino Biancolini, Alice Crespi, Piero Campalani, Elia Guariento, Marina Baldi","doi":"10.1111/jbi.70343","DOIUrl":"https://doi.org/10.1111/jbi.70343","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Extreme climatic events (ECEs) are increasingly recognized as major drivers of insect declines, yet remain rarely incorporated into biodiversity projections. Butterflies may be especially sensitive to prolonged ECEs because they are short-lived ectotherms, while voltinism can influence their capacity to absorb climatic shocks. We assessed how the frequency of prolonged ECEs may reshape butterfly climatic suitability and richness patterns across Italy and whether responses vary among biomes and voltinism classes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Italy.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Time Period</h3>\u0000 \u0000 <p>Baseline (1971–2000) and mid-century (2041–2070).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Major Taxa Studied</h3>\u0000 \u0000 <p>Diurnal butterflies (Papilionoidea).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We derived spatially explicit indices of hot, cold, dry and wet spells from EURO-CORDEX climate projections and used them to build ensemble species distribution models for 199 butterfly species. We mitigated sampling bias with a target-group pseudo-absence approach and defined ecologically meaningful calibration areas based on occupied biomes. We projected changes in climatic suitability and richness under Representative Concentration Pathway (RCP) 2.6, a mitigation scenario, and RCP8.5, a high-emission scenario, and compared responses among biomes and voltinism classes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Projected suitability changes were predominantly negative across all biomes and consistently stronger under RCP8.5 than under RCP2.6. Univoltine species were most negatively affected, whereas bivoltine and multivoltine species showed broader and more heterogeneous responses. Mediterranean and Temperate Broadleaf assemblages showed marked suitability declines and widespread richness losses under RCP8.5. Temperate Conifer assemblages showed smaller percentage suitability declines but greater richness losses, suggesting that even moderate suitability reductions may translate into strong impacts in montane ecosystems. These patterns also reflected biome-specific changes in ECE frequencies, although scenarios generally indicated more frequent hot spells and fewer cold spells across biomes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 ","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 10","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70343","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149145625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"A Time-Calibrated Phylogeny and Historical Biogeography of Leptoceridae (Trichoptera): Diversification Shaped by Gondwanan Fragmentation and Conflicting Evidence for the Family's Origin","authors":"Everton S. Dias,&nbsp;Albane Vilarino,&nbsp;Adolfo R. Calor,&nbsp;Pitágoras C. Bispo","doi":"10.1111/jbi.70334","DOIUrl":"https://doi.org/10.1111/jbi.70334","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Leptoceridae is the second most diverse caddisfly family, spreading across all biogeographical regions but with a higher species richness in the Oriental region; nevertheless, the Afrotropical, Austral and Neotropical regions have greater genera diversity and endemicity. The biogeographical history of Leptoceridae has never been formally investigated and no family level time-calibrated tree is available. In this study we investigate the biogeographical events that shaped the family diversification and distribution.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Gondwana and Laurasia.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Leptoceridae (Trichoptera).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>The time-calibrated phylogeny of Leptoceridae and its biogeographical history were inferred using five molecular markers (COI, CAD, IDH, EF-1α and POL II) including 39 of the 47 genera of the family and using representatives of all fossil genera for calibration. Phylogenetic analysis and divergence times were inferred through Bayesian Inference in Mrbayes; biogeographical analyses were performed in BioGeoBEARS.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The results suggest the origin of Leptoceridae around 147 mya (Late Jurassic) with the first cladogenesis (~135 mya) being congruent with the Gondwana break up in West Gondwana and East Gondwana. The Leptorussinae and Triplectidinae origin were estimated to 121 mya with an ancestral range in East Gondwana, while the Grumichellinae and Leptocerinae were estimated to 128 mya with ancestral range in West Gondwana. Based on the results, the genus <i>Russobex</i> was transferred from Leptocerinae to Triplectidinae and <i>Leptocerina</i>, <i>Leptecho</i> and <i>Neoathripsodes</i> were removed from Athripsodini to <i>incertae sedis</i>.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusion</h3>\u0000 \u0000 <p>The results strongly support a Gondwanan diversification of the extant Leptoceridae lineages, consistent with major Gondwana fragmentation events. The origin of the family is still unresolved since the oldest fossils of the family (125–113 mya) from East Palearctic are inconsistent with the recovered Gondwana origin. A phylogenetic assessment of these fossils is needed in order to test if they belong to Leptoceridae or to a distinct lineage.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 10","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70334","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149083895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Environmental Filtering Dominates Butterfly Community Assembly Along Himalayan Elevational Gradients","authors":"Iswar Kumar Chettri,&nbsp;Bhoj Kumar Acharya","doi":"10.1111/jbi.70372","DOIUrl":"https://doi.org/10.1111/jbi.70372","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Aim&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Understanding the processes underlying biodiversity patterns and community assembly across mountain elevational gradients remains a central question in biogeography. We examined elevational patterns of butterfly taxonomic and functional diversity to evaluate the relative importance of environmental filtering, competition, and geometric constraints in structuring community assembly across two Himalayan valleys.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Location&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Eastern Himalaya, India.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Taxon&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Butterflies (Lepidoptera).&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Butterfly communities were sampled along 43 elevational transects (350–4200 m) spanning the Teesta and Rangeet valleys in Sikkim, Eastern Himalaya. Taxonomic diversity, butterfly density, and complementary functional diversity indices were quantified using 16 life-history traits. Elevational responses were analysed using generalized linear models, information-theoretic model selection, model averaging, and mid-domain null models to evaluate community assembly processes and identify their environmental drivers.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Species richness, estimated richness, butterfly density, functional richness (FRic), and Rao's quadratic entropy (RaoQ) declined consistently with elevation, supporting strong environmental filtering in the community assembly process. In contrast, different facets of functional diversity exhibited contrasting elevational responses, providing only partial support for trait convergence, whereas functional divergence showed no relationship with species richness, indicating limited support for competition-driven community assembly. Null-model analyses revealed increasingly negative departures from mid-domain expectations towards higher elevations, indicating that deterministic environmental processes outweigh geometric constraints. Environmental drivers were context-dependent, with vegetation structure and topographic variables predominating in the Teesta Valley, whereas precipitation seasonality and tree species richness exerted stronger influences in the Rangeet Valley.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Main Conclusions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Environmental filtering emerged as the predominant process structuring butterfly community assembly, whereas competition and geometric constraints played comparatively subsidiary roles. Contrasting responses among complementary functional diversity indices demonstrate that integr","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 10","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149083897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Cool-Water Dolphins Have Larger Appendages Than Warm-Water Dolphins","authors":"Nathan O. Hirtle,&nbsp;María C. Marchesi,&nbsp;Lesley H. Thorne","doi":"10.1111/jbi.70369","DOIUrl":"https://doi.org/10.1111/jbi.70369","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Aim&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Endothermic marine mammals face significant thermoregulatory challenges due to heat loss in the highly conductive marine environment. Allen's rule states that endothermic animals in cold environments have smaller appendages than those in warmer environments. While body size adaptations in marine mammals are well-studied, the role of appendage size as an adaptation to different thermal habitats remains unclear. Here, we aim to quantify how appendage size differs between warm- and cool-water delphinids to explore how these species have adapted to different thermal regimes.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Location&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Atlantic Ocean.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Taxon&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Dusky dolphins (&lt;i&gt;Aethalodelphis obscurus&lt;/i&gt;), Commerson's dolphins (&lt;i&gt;Cephalorhynchus commersonii&lt;/i&gt;), white-sided dolphins (&lt;i&gt;Leucopleurus acutus&lt;/i&gt;), common dolphins (&lt;i&gt;Delphinus delphis&lt;/i&gt;), Atlantic spotted dolphins (&lt;i&gt;Stenella frontalis&lt;/i&gt;), and bottlenose dolphins (&lt;i&gt;Tursiops truncatus&lt;/i&gt; spp.).&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;We combined morphometric data from stranded delphinids with 3D modelling to generate 3D representations of individual animal body morphologies. From these models, we quantified surface area of both the body cores and appendages and volume of the body cores, and constructed standardized major axis regressions to evaluate how the relationships between body core volume and body core and appendage surface areas differ between cool- and warm-water species.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Cool-water dolphins had larger appendages overall relative to body volume than warm-water species, opposing predictions from Allen's rule. However, we also found that total surface area (body core and appendages) relative to body volume is similar between cool- and warm-water species.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Main Conclusions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Our findings suggest that Allen's rule is not upheld in delphinids, and imply that heat conservation may not be a strong driver of appendage size. Rather, larger appendages may be more important for cool-water delphinids to dissipate excess heat. This result, in combination with the finding that the total surface area to volume ratio was tightly conserved across cool- and warm-water dolphins, suggests that factors other than temperature influence overall body mor","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 10","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70369","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149083896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Ancient Divergence, Recent Island: Microplate Fragmentation and Dispersal Explain Disjunct Distributions of Western Mediterranean Scorpions","authors":"Javier Blasco-Aróstegui,&nbsp;Marco Isaia,&nbsp;Jose Barba-Montoya,&nbsp;Marco Tolve,&nbsp;Massimiliano Roppo,&nbsp;Lorenzo Prendini","doi":"10.1111/jbi.70361","DOIUrl":"https://doi.org/10.1111/jbi.70361","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Aim&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Small wood-scorpions (&lt;i&gt;Euscorpius&lt;/i&gt; Thorell, 1876) are widespread across the Mediterranean forests, mountains, coastlines, and islands of Europe. Their ancient origins make them an excellent model system for reconstructing the complex biogeographical history of the western Palaearctic. The present study focused on the islands of the western Mediterranean, which are geologically dynamic and harbour many endemic and relictual taxa, and on the relationships among &lt;i&gt;Euscorpius&lt;/i&gt; species inhabiting Montecristo and the Balearic Islands, in particular. Two hypotheses were tested: (1) long-distance dispersal from the Balearic Islands after Montecristo emerged following the HT/LP plutonic intrusion (8.4–7.2 Ma), and (2) a multi-phase scenario beginning with vicariance from the Balearic, Calabrian, Corsican, Sardinian and Sicilian (Ba-Ca-Co-Sa-Si) microplate fragmentation, followed by dispersal to Montecristo during the Messinian Salinity Crisis (5.97–5.33 Ma) or later Pliocene–Pleistocene sea-level regressions (3.6–0.2 Ma).&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Location&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Western Mediterranean islands of France, Spain, and Italy, including the Balearic Islands, Corsica, Sardinia, and the Tuscan Archipelago.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Time Periods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Eocene, Oligocene, Neogene, and Quaternary.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Taxon&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Scorpiones: Euscorpiidae: &lt;i&gt;Euscorpius&lt;/i&gt; Thorell, 1876: &lt;i&gt;Euscorpius balearicus&lt;/i&gt; Caporiacco, 1950; &lt;i&gt;Euscorpius canestrinii&lt;/i&gt; (Fanzago, 1872); &lt;i&gt;Euscorpius concinnus&lt;/i&gt; (C.L. Koch, 1837); &lt;i&gt;Euscorpius oglasae&lt;/i&gt; Caporiacco, 1950; &lt;i&gt;Euscorpius sicanus&lt;/i&gt; (C.L. Koch, 1837).&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Multi-locus phylogenies were inferred from 2815 base-pairs of concatenated DNA sequence of the nuclear region comprising 18S rDNA (partial) and the Internal Transcribed Spacer II, and mitochondrial 12S rDNA, 16S rDNA, and Cytochrome &lt;i&gt;c&lt;/i&gt; Oxidase Subunit I loci using Maximum Likelihood, and divergence times estimated in a Bayesian framework with conservative fossil calibration constraints. Ancestral areas and biogeographical transitions were reconstructed using parametric models complemented by Principal Coordinates Analysis and Isolation-by-Distance tests to assess spatial genetic structure.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Molecular clock dating and biogeographical analyses suggest initial diversification of &lt;i&gt;E. oglasae&lt;/i&gt; occurred after break-up of the B","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 9","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148994077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"The Biogeography of Cacti Protection and Vulnerability in South America","authors":"Fábio Suzart de Albuquerque,&nbsp;Arnóbio de Mendonça Barreto Cavalcante,&nbsp;Alberto Búrquez,&nbsp;Miguel Ángel Macías-Rodríguez","doi":"10.1111/jbi.70366","DOIUrl":"https://doi.org/10.1111/jbi.70366","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>The Cactaceae family is the dominant plant group in America's drylands, with many species threatened by anthropogenic factors and climate change. Here, we assessed the geographic distribution and conservation status of cacti in South America in relation to climate change.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>South America.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Cactaceae.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We projected habitat suitability values for each species at current and future time periods and investigated the major drivers of species' distributions. We used these values to identify species at risk of significant range contraction (vulnerable species). We also estimated areas with exceptional habitat suitability (high-value conservation areas, HVCA) for vulnerable species in drylands, assessed the potential impacts of climate change on the spatial configuration of HVCA, and evaluated HVCA representation within protected areas.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We found that temperature was the most influential factor for most species (31.5%), followed by precipitation (30.0%), indicating that climate is a major driver of cactus species distribution in the Southern hemisphere. The biogeographic distribution of HVCA for vulnerable cacti across drylands revealed that most were observed in semi-arid (41.3%) and dry sub-humid (20.9%) regions, particularly within the Brazilian Caatinga, Cerrado, and the Argentine dry Chaco. Alarmingly, 87% of these HVCA are not covered by protected areas, highlighting significant gaps, particularly evident in the Caatinga (Brazil).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Discussion</h3>\u0000 \u0000 <p>The proposed approach helps fill knowledge gaps regarding the vulnerability of cactus species to climate change and the conservation of HVCA refuges across the South American drylands. HVCA conservation can help species persist through large-scale, long-term climate change. Results show an urgent need to expand conservation efforts in HVCA to support cactus diversity, enhance our understanding of how climate change affects South American cacti, and provide crucial information to guide conservation efforts. Projected future distributions indicate that many HVCA will remain unprotected, risking significant HVCA losses unless immediate action is taken.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 9","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148993976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Multispecies Genomics Uncovers a Common Legacy of Postglacial Isolation on a Neotropical Land-Bridge Island","authors":"Raphael da Silva,&nbsp;Fábio Pinheiro,&nbsp;Gabriel Pavan Sabino,&nbsp;Tami da Costa Cacossi,&nbsp;Clarisse Palma-Silva,&nbsp;Marcelo Gehara,&nbsp;Bárbara Simões Santos Leal","doi":"10.1111/jbi.70365","DOIUrl":"https://doi.org/10.1111/jbi.70365","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>To evaluate whether Pleistocene sea-level changes can explain the timing and demographic processes of population divergence between continental and insular plant populations on a land-bridge island.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Alcatrazes Island and adjacent mainland areas along the southeastern coast of Brazil.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Three bird-dispersed plant species (<i>Chiococca alba</i>, <i>Eugenia sulcata</i> and <i>Schinus terebinthifolia</i>).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We used multispecies population genomic data (RAD-Seq) to test alternative demographic scenarios of population divergence. Approximate Bayesian Computation and Supervised Machine Learning were applied to evaluate divergence timing relative to the Last Glacial Maximum (LGM) and to assess the presence or absence of gene flow between mainland and insular populations. Genetic structure was inferred to identify population clustering within each species.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Genetic structure analyses consistently identified three populations per species, corresponding to one insular and two mainland populations. For all species, demographic models supporting post-LGM isolation were strongly favoured, and no detectable genomic signal of recent gene flow was recovered under the selected models. These results are consistent with postglacial sea-level rise contributing to population isolation and divergence.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our comparative genomic analyses across multiple species support the hypothesis that Quaternary sea-level rise contributed to population divergence on land-bridge islands. Recurrent cycles of connectivity and isolation between islands and the mainland may have left a strong imprint on the demographic history of bird-dispersed forest plants.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 9","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70365","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148993963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Climate and Spatially Heterogeneous Abiotic Site Constraints Shape Temperate Tree Species Abundance at Northern Range Limits","authors":"Maxence Soubeyrand,&nbsp;Fabio Gennaretti,&nbsp;Pierre Grondin,&nbsp;Yves Bergeron,&nbsp;Marie-Hélène Brice","doi":"10.1111/jbi.70364","DOIUrl":"https://doi.org/10.1111/jbi.70364","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Aim&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Northern populations of temperate tree species evolve under climatic, topographic and edaphic conditions that approach the limits of their ecological tolerance. However, the environmental constraints acting on species abundance are not spatially uniform, and their relative importance can shift markedly from core to northern populations. We aimed to identify the environmental drivers that control temperate tree abundance across Quebec, determine how their influence varies across space, and identify the key constraints at their northern range limit.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Location&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Meridional Quebec (Canada).&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Time Period&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;1970–2024.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Major Taxa Studied&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Temperate tree species.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;We analysed tree species abundance data from 115,035 inventories derived from permanent and temporary plots established by the Quebec government. Using a random forest model, we modelled the abundance of 17 temperate species based on climate variables, topographic variables, soil characteristics and stand dynamics. We then analysed SHAP (SHapley Additive exPlanations) values to evaluate the importance, direction and spatial variability of each explanatory variable's contribution to species abundance.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Model performance was strong across species, with &lt;i&gt;R&lt;/i&gt;&lt;sup&gt;2&lt;/sup&gt; values ranging from 0.18 to 0.57. Climate variables exerted the strongest influence on abundance for most species, while others, such as &lt;i&gt;Acer saccharum&lt;/i&gt;, were more affected by edaphic and topographic variables, with a moderate influence from climate. The spatialized analysis of SHAP values indicates that colder temperatures during the growing season generally have a negative effect on the abundance of northern populations. In contrast, edaphic and topographic variables reveal strong interspecific and spatial heterogeneity in environmental constraints, associated with the structuring of environmental gradients across Québec. Importantly, the relative influence of environmental drivers was strongly spatially heterogeneous.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Main Conclusions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Our results show that a","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 9","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70364","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148994201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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":"Shifting Yet Persisting? Multiple Dimensions of Habitat Suitability Change in Northeast Atlantic Cetaceans","authors":"Diana Sousa-Guedes,&nbsp;José Nuno Gomes-Pereira,&nbsp;Joana Boavida-Portugal,&nbsp;Jorge Assis,&nbsp;Miguel Machete,&nbsp;Gisela Dionísio","doi":"10.1111/jbi.70360","DOIUrl":"https://doi.org/10.1111/jbi.70360","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Aim&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;To assess how climate change may alter the extent, spatial distribution and persistence of suitable habitat for 16 cetacean species in the Northeast Atlantic under contrasting climate scenarios.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Location&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Northeast Atlantic Ocean, spanning from Icelandic waters to tropical West Africa.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Taxon&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Cetaceans.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;We used Bayesian additive regression trees (BART) to project habitat suitability of 16 cetacean species for 2030–2100 under two climate scenarios (SSP1-1.9 and SSP5-8.5). We quantified changes in habitat extent (basin-scale suitability, potential species richness and net habitat change), habitat redistribution (trailing-edge, leading-edge and centroid shifts) and habitat persistence (refugia index and refugial retention).&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Under SSP1-1.9, habitat changes were generally small. Under SSP5-8.5, 12 of 16 species showed net contraction of suitable habitat (largest in &lt;i&gt;Orcinus orca&lt;/i&gt;, −48.3%), whereas two remained broadly stable and two expanded. Habitat redistribution showed a consistent poleward shift at leading edges, with 13 species shifting poleward by up to 30.1 km/decade (&lt;i&gt;Delphinus delphis&lt;/i&gt;), whereas trailing-edge shifts were predominantly equatorward and centroid responses ranged from little change to substantial poleward displacement. Habitat persistence varied little, with 10 species retaining more than 90% of baseline suitability. &lt;i&gt;Stenella frontalis&lt;/i&gt; uniquely combined the lowest refugial retention (82%) with substantial net habitat loss (−33%). Multi-species refugia were concentrated along continental shelf systems, particularly the northwest African shelf, Iberian shelf-break, Bay of Biscay–Celtic Sea and Norwegian shelf–North Sea.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Main Conclusions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Climate change is projected to reorganise suitable habitat rather than uniformly reduce its extent for Northeast Atlantic cetaceans. The concentration of persistent habitat along continental shelves suggests that physiographic stability contributes to maintaining suitable habitat despite warming. Habitat extent, latitudinal shifts and persistence represent complementary but only weakly coupled dimensions of climate-driven habitat change, indicating that no single metric adequately captures projected habitat change. Considering these dimensions together provides a more complet","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"53 9","pages":""},"PeriodicalIF":3.5,"publicationDate":"2026-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148994202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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}