Journal of Biogeography最新文献

{"title":"The Biogeography of Invasive Exotic Vertebrates in Island Systems of the Southeast Pacific Ocean","authors":"Álvaro López,&nbsp;Guillermo Luna-Jorquera","doi":"10.1111/jbi.15183","DOIUrl":"https://doi.org/10.1111/jbi.15183","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Biogeography and macroecology studies often require identifying the mechanisms responsible for generating exotic island biodiversity patterns. We examined the effect that physiographic (area and isolation), geographic (latitude) and anthropogenic (human population size and human population time) variables may have on the generation of invasive exotic vertebrate (IEVs) richness and composition patterns on oceanic and coastal areas.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Oceanic and coastal islands of the Southeast Pacific Ocean.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Invasive exotic vertebrates (amphibians, reptiles, birds and mammals).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We compiled data from 35 IEVs inhabiting 68 coastal and oceanic islands using different sources: our field records, online databases, environmental reports and literature. We scored the IEVs based on their impacts on native biodiversity, with scores representing minimal to massive impacts. We used univariate generalised linear mixed models and multivariate deviance analysis to describe the effect of island area, isolation, latitude, human population size and time on the richness and composition of IEVs.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Island area and human population time significantly explained IEV richness, while latitude and isolation did not. For IEV composition, latitude and island area were significant predictors for all taxonomic groups. When considering only high-impact IEVs, island area and human population size significantly affected species composition. Larger islands supported more diverse IEV communities, with particular species primarily occurring on larger islands.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Classical physiographic mechanisms, particularly island areas, play a crucial role in explaining IEV richness and composition patterns on oceanic and coastal islands of the Southeast Pacific. Colonisation time and population size both significantly influence IEV richness and composition. The study highlights the importance of island characteristics and human factors in shaping IEV communities, providing insights into conservation strategies in island ecosystems.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832395","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":"Cover","authors":"","doi":"10.1111/jbi.14920","DOIUrl":"https://doi.org/10.1111/jbi.14920","url":null,"abstract":"<p>On the cover: The Black-backed Butcherbird, <i>Cracticus mentalis</i>, is one of three species of Australo-Papuan butcherbirds with a complex history of range expansion and introgression. Photo credit: Dubi Shapiro and the Cornell Lab of Ornithology | Macaulay Library.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 7","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.14920","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144308662","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":"Origin and Biogeography of the Colourful Sap-Sucking Sea Slugs Genus Thuridilla Bergh, 1872 (Mollusca, Gastropoda, Heterobranchia)","authors":"M. Rosario Martín-Hervás,&nbsp;Leila Carmona,&nbsp;Patrick J. Krug,&nbsp;Terence Gosliner,&nbsp;J. Lucas Cervera,&nbsp;Manuel António E. Malaquias","doi":"10.1111/jbi.15171","DOIUrl":"https://doi.org/10.1111/jbi.15171","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;&lt;i&gt;Thuridilla&lt;/i&gt; Bergh, 1872, is a lineage of herbivorous sea slugs externally distinguished by bright colours and distinctive patterns of lines and spots. Recent work revealed an exceptionally rapid, cryptic radiation of 13 species in the Indo-Pacific, raising questions about mechanisms of speciation in this group. Here, we (i) study the diversification and historical biogeography of &lt;i&gt;Thuridilla&lt;/i&gt; in a phylogenetic context and (ii) assess the role of dispersal and vicariance as the predominant mode of speciation in the genus.&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;Tropical and temperate regions of the Atlantic and Indo-Pacific.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Major Taxa Studies&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Gastropoda, Sacoglossa.&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;A nearly complete taxon set with 28 out of 32 recognised species of &lt;i&gt;Thuridilla&lt;/i&gt; was used, in a total sample of 172 specimens, together with sacoglossan outgroups. Phylogenetic relationships were determined using a multi-locus approach combining two mitochondrial (COI and 16S) and one nuclear gene (H3). Species relationships, diversification times, and ancestral geographical ranges were inferred using relaxed-clock methods together with Bayesian discrete phylogeographic methods under three calibration scenarios using the oldest known fossil of Sacoglossa, &lt;i&gt;Berthelinia elegans&lt;/i&gt; Crosse, 1875, and tectonic events.&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;&lt;i&gt;Thuridilla&lt;/i&gt; species branched off into four major clades in all calibration scenarios: two groups from the Atlantic plus Indo-West Pacific (5 and 6 species) and two clades from the Indo-West Pacific (4 and 17 species). The highest diversity of the genus is in the Western Pacific (14 spp.) with a peak in the East Indies Triangle (18 spp.), whereas the Atlantic is depauperate with only four species occurring in this ocean basin. Divergence between Atlantic and Indo-West Pacific lineages occurred in two main temporal periods: the Miocene and the Pliocene. Speciation events within the 13 cryptic species-complex fell mostly within Plio-Pleistocene times.&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;The best supported hypothesis was an Indo-West Pacific origin of &lt;i&gt;Thuridilla&lt;/i&gt; between 28 and 18 Mya during the Early Miocene. In the western Pacific, speciation likely occurred durin","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15171","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101546","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":"Genetic Diversity Is Not Correlated With Species Diversity: A Multispecies Study in a Continental Habitat Island System","authors":"Abel Gizaw,&nbsp;Dimitar Dimitrov,&nbsp;Catherine Aloyce Masao,&nbsp;Felly Mugizi Tusiime,&nbsp;Tigist Wondimu,&nbsp;Ahmed Abdikadir Abdi,&nbsp;Desalegn Chala,&nbsp;Galina Gussarova,&nbsp;Virginia Mirré,&nbsp;Mulugeta Kebede,&nbsp;Rosalía Piñeiro,&nbsp;Mary Namaganda,&nbsp;Pilar Catalán,&nbsp;Manuel Pimentel,&nbsp;Pierre Taberlet,&nbsp;Hans Peter Linder,&nbsp;Magnus Popp,&nbsp;Gerald Eilu,&nbsp;Pantaleo Munishi,&nbsp;Geoffrey Mwachala,&nbsp;Sileshi Nemomissa,&nbsp;Christian Brochmann","doi":"10.1111/jbi.15185","DOIUrl":"https://doi.org/10.1111/jbi.15185","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>It has been proposed that species diversity (SD) and genetic diversity (GD) co-vary across natural communities because both are shaped by processes such as immigration and drift. However, empirical reports are contradictory, and multispecies studies are rare. Here we test the hypothesis that the two diversity measures do not correlate in systems with high levels of immigration stochasticity and little GD caused by strong genetic drift.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Tropical alpine habitats on six of the highest mountains in eastern Africa.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Vascular plants.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We sampled 375 taxa in 75 plots in five habitat types, recorded ecological variables, and genotyped 1793 plants representing 20 species/species complexes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We confirmed that intrapopulation GD was exceptionally low in this system and found that most Species-Genetic Diversity Correlations (SGDCs) were weak and insignificant. Whereas SD was correlated with several environmental variables, GD was only correlated with mountain identity (geographical location) and mountain age.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our findings support the hypothesis that SGDCs are lacking in habitat island systems such as the tropical alpine region in Africa, which is characterised by frequent population size fluctuations, extinctions, and colonisations via long-distance dispersal (LDD) during the glacial cycles. The stochastic nature of LDD combined with strong genetic drift and founder effects is likely to cause low GD and lack of SGDCs, implying that SD cannot be used as a proxy for GD in conservation management of such systems.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832909","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":"Origin, Divergence and Migration Routes of Psyllids of the Cacopsylla pruni Complex (Hemiptera: Psylloidea) Inferred by Approximate Bayesian Computation Methods","authors":"Margaux Darnis,&nbsp;Virginie Ravigné,&nbsp;Nicolas Sauvion","doi":"10.1111/jbi.15177","DOIUrl":"https://doi.org/10.1111/jbi.15177","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Population genetics is essential to decipher the evolutionary history of pests and insect vectors from both a theoretical point of view and to predict and mitigate the future of epidemics. We attempt to shed light on the evolutionary history and phylogeography of two cryptic psyllid species (namely, A and B) of the <i>Cacopsylla pruni</i> complex, vectors of ‘C<i>andidatus</i> Phytoplasma prunorum’. The bacterium is known to cause the European stone fruit yellows (ESFY), a disease affecting <i>Prunus</i> trees and causing significant crop losses. Analyses were conducted to decipher the origin, order and time of divergence, as well as the migration routes of the species complex on the scale of their current distribution area.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Western Palearctic.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Time Period</h3>\u0000 \u0000 <p>Late Tertiary (i.e., the Neogene: 23.030–2.588 Mya) to today.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Psyllids, jumping plantlice.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Our study was conducted on a dataset of 97 geolocated sampling points, representing a total of 1245 individuals from all across the Western Palearctic. We used mitochondrial and nuclear gene data to infer the population genetic diversity and structure of the complex and to reconstruct a dated phylogenetic tree of the Psyllinae family in order to subsequently perform Approximate Bayesian Computation analyses.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Both species have diverged in what is now France from a common ancestor, around 20.19 Mya, before expanding into Spain around 6.61 Mya for species A and Eastern Europe around 6.36 Mya for species B. Then species B seems to have moved to Corsica during the Messinian salinity crisis (5.96–5.33 Mya) from French or Italian B populations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>No apparent admixture was found between both species after their divergence from France, which would indicate an absence of gene flow between them at the point when they recolonised common ecological niches. This strong genetic differentiation confirms previous work on reproductive barriers between the two species.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15177","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832908","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":"Molecular Phylogenetic Analyses Reveal the Diversification and Dispersal Processes of the Tribe Shoreae (Dipterocarpaceae)","authors":"Yuichi Isaka,&nbsp;Akihiro Nakamura,&nbsp;Kenji Izumi,&nbsp;Harald Schneider","doi":"10.1111/jbi.15166","DOIUrl":"https://doi.org/10.1111/jbi.15166","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;The tribe Shoreae, part of the family Dipterocarpaceae, encompasses about 330 species and ten genera, namely &lt;i&gt;Anthoshorea&lt;/i&gt;, &lt;i&gt;Doona&lt;/i&gt;, &lt;i&gt;Hopea&lt;/i&gt;, &lt;i&gt;Neobalanocarpus&lt;/i&gt;, &lt;i&gt;Neohopea&lt;/i&gt;, &lt;i&gt;Pentacma&lt;/i&gt;, &lt;i&gt;Parashorea&lt;/i&gt;, &lt;i&gt;Richetia&lt;/i&gt;, &lt;i&gt;Rubroshorea&lt;/i&gt; and &lt;i&gt;Shorea&lt;/i&gt;. It has been hypothesized that Shoreae ancestors likely migrated from the Indian subcontinent and underwent rapid diversification within Southeast Asian rainforests. However, the phylogenetic relationships among genera and the specific processes of dispersal and diversification within this tribe remain unclear. This research conducted molecular phylogenetic analyses of the tribe Shoreae, aiming to establish a comprehensive framework for the evolutionary past of this group.&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;South and Southeast Asia.&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;The Cretaceous to present.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Major Taxa Studies&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Tribe Shoreae (Dipterocarpaceae).&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 conducted Bayesian molecular phylogeny inference, ancestral area and distributable climate reconstruction, and divergence time estimation by utilising the molecular data sourced from GenBank. The molecular data included four partial chloroplast DNA regions (&lt;i&gt;trnL–trnF&lt;/i&gt;, &lt;i&gt;rbcL&lt;/i&gt;, &lt;i&gt;trnH–psbA&lt;/i&gt; and &lt;i&gt;matK&lt;/i&gt;) and the partial &lt;i&gt;ITS&lt;/i&gt; region of nuclear DNA from a total of 186 ingroup and five outgroup species (&lt;i&gt;Dryobalanops&lt;/i&gt;). Based on these results, we also evaluated temporal and in situ diversification.&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;The Bayesian molecular phylogeny identified two major clades within the tribe Shoreae with high posterior probabilities and confirmed the monophyly of the genera &lt;i&gt;Anthoshorea&lt;/i&gt;, &lt;i&gt;Doona&lt;/i&gt;, &lt;i&gt;Hopea&lt;/i&gt;, &lt;i&gt;Parashorea&lt;/i&gt;, &lt;i&gt;Richetia&lt;/i&gt; and &lt;i&gt;Rubroshorea&lt;/i&gt;. Furthermore, our results supported the origin of the tribe prior to the collision of the Indian subcontinent with Asia, the migration of the Shoreae ancestors to Southeast Asia, and subsequently, diversification in tropical Southeast Asia after the Oligocene.&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;Molecular phylogenetic analyses suggest that the formation of the tropical climate in Southeast Asia may have played a role in the diversification of Shoreae species. This study proposes ","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101354","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 Influence of Spatial Extent and Distance on Macroinvertebrate-Environment Relationships in Conterminous USA Stream Sites","authors":"Bruno S. Godoy,&nbsp;Tadeu Siqueira,&nbsp;Robert M. Hughes","doi":"10.1111/jbi.15187","DOIUrl":"https://doi.org/10.1111/jbi.15187","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>The relationships between environmental variables and macroinvertebrate assemblages depend on spatial extent, but the relative importance of local and regional factors remains unclear. Understanding these scale-dependent relationships is crucial for improving biodiversity assessments and ecosystem management. We hypothesise that climate variables drive macroinvertebrate composition at broad spatial extents, whereas local water quality and habitat conditions are more influential at smaller spatial extents.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>A total of 5,788 streams across nine ecoregions in the conterminous United States, sampled by the United States Environmental Protection Agency (EPA).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Time Period</h3>\u0000 \u0000 <p>Samples collected in the years 2008, 2009, 2013, 2014, 2018, and 2019.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Major Taxa Studied</h3>\u0000 \u0000 <p>Freshwater macroinvertebrates, including 992 genera.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We analysed macroinvertebrate abundance data alongside 25 environmental variables categorised into four types: physical-habitat structure, water quality, watershed characteristics, and climate. We applied Multivariate Multiscale Codependency Analysis (MMCA) at both national and ecoregion-specific scales to determine which environmental variables were most strongly associated with assemblage composition at different spatial extents.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Assemblage-environment relationships varied with spatial extents. Climate and watershed variables were the dominant drivers at broader spatial extents, whereas local water quality and physical habitat structure were more influential at smaller inter-site distances. Additionally, the environmental variables most strongly associated with macroinvertebrate composition varied across ecoregions, suggesting that regional factors such as land use and historical environmental conditions shape biotic responses.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our findings underscore the importance of spatial scale in ecological studies and conservation planning. Recognising how key environmental predictors change with spatial extent enhances biodiversity assessments, informs targ","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15187","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832454","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":"Late Quaternary Montane Forest Dynamics From Equatorial East Africa: A Biome Perspective","authors":"Esther N. Githumbi,&nbsp;Jemma Finch,&nbsp;Rahab N. Kinyanjui,&nbsp;Colin Courtney-Mustaphi,&nbsp;Paul Musili,&nbsp;Stephen Rucina,&nbsp;Julius Lejju,&nbsp;Peter Liljenberg,&nbsp;Rob Marchant","doi":"10.1111/jbi.15173","DOIUrl":"https://doi.org/10.1111/jbi.15173","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 environmental change over large spatial and temporal scales requires working at a broad ecological scale to enable cross-site comparisons. This allows data-based comparisons to dynamic vegetation model outputs, with utility for climate and land cover modelling. We synthesise multisite pollen data at the biome level to understand Equatorial Afromontane ecosystem response to climate change over the last 50,000 years and quantitatively document the timing, character and spatial patterns of ecosystem transitions.&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;Mountains of Equatorial East Africa.&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;Late Quaternary (50,000 cal year BP–present).&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;Angiosperms (trees, shrubs and grasses), gymnosperms (conifers), pteridophytes (ferns) and bryophytes (clubmosses).&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;A literature review revealed 58 available published pollen sites from Equatorial East African Mountains. Original geochronological and palynological data were collated from 34 sites from the African Pollen Database (APD) and directly from authors. Pollen taxonomies were updated and harmonised using the African Plant Database. The geochronologies were reanalysed and radiocarbon data (&lt;i&gt;n&lt;/i&gt; = 219) were IntCal20 calibrated to develop linearly interpolated age-depth models. The 636 pollen taxa were grouped into 21 plant functional types and combined into seven biomes that represent the range of montane ecosystems. A rate of change analysis at each site provided a scale of the change through time at each site.&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;Mesic montane forest biomes were present throughout the 50,000 cal year BP. Cold and dry montane biomes expanded during and after the Last Glacial Maximum (LGM). Warm and wet forest biomes expanded from the early Holocene and more open biomes expanded in the Late Holocene. Regional differences were observed, such as the Eastern Arc Mountain sites recording relatively little change in comparison with isolated volcanic mountains. The rate of change analysis highlights periods with a high rate of change (45,000–35,000, 11,000–5000 and 5000–present) while 35,000–20,000 is relatively stable.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 ","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15173","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832618","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":"Effects of Taxonomic Uncertainty on Range Size and Niche Estimation in a Southern Ocean Cryptic Species Complex","authors":"David A. Clarke,&nbsp;Nerida G. Wilson,&nbsp;Melodie A. McGeoch","doi":"10.1111/jbi.15182","DOIUrl":"https://doi.org/10.1111/jbi.15182","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 how biodiversity varies over space and time is critical for informing environmental policy and decision making. The application of molecular techniques for sequencing organisms has increased the ability to identify cryptic species, which provides a source of taxonomic uncertainty that can potentially affect such decisions. Our aim was to examine the effect of taxonomic uncertainty on (1) geographic range size estimates over space and time and (2) environmental niche quantification and comparison.&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;Southern 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;Crinoidea: &lt;i&gt;Promachocrinus&lt;/i&gt;.&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 an updated, taxonomically resolved dataset of the feather star &lt;i&gt;Promachocrinus&lt;/i&gt; spp. abundance in the Southern Ocean. Measures of range size and niche overlap were estimated using down-sampled Random Forest species distribution modelling (SDM). This approach accounts for the class imbalance that is prevalent in presence-only SDMs. Identity tests were used to assess niche equivalency among species. Additionally, we used &lt;i&gt;n&lt;/i&gt;-dimensional hypervolumes as a second, independent means of estimating the environmental niche for each species and assessed overlap using hypervolume overlap statistics.&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;Range size estimates varied within and among &lt;i&gt;Promachocrinus&lt;/i&gt; species. Furthermore, taxonomic uncertainty associated with cryptic species affected predicted species distributions under different emission scenarios, potentially leading to different range size trends over time. &lt;i&gt;Promachocrinus&lt;/i&gt; species also may, by and large, have different environmental niches, determined by both SDM derived identity tests and hypervolume overlap tests.&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;We show that taxonomic uncertainty, as exemplified by cryptic species, can potentially affect the measurement and monitoring of biodiversity, with our results suggesting different environmental niches and range sizes for members of the &lt;i&gt;Promachocrinus kerguelensis&lt;/i&gt; complex. Developments in biodiversity metadata could help account for taxonomic uncertainty in downstream analyses, thus leading to more accurate estimates of biodiversity change and better-informed conservation asses","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15182","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832842","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":"Evolution of the Geographic Range of a European Montane Leaf Beetle in Response to Climate Changes at the End of the Quaternary","authors":"Chedly Kastally,&nbsp;Maeva Sorel,&nbsp;Flavien Collart,&nbsp;Patrick Mardulyn","doi":"10.1111/jbi.15181","DOIUrl":"https://doi.org/10.1111/jbi.15181","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>During the past few 100,000 years, repeated cycles of glaciation and warming episodes have radically altered the range of organisms. Numerous phylogeographic studies have investigated the impact of past climate changes on the range of temperate organisms in Europe, but we know substantially less about organisms that are adapted to colder climates. Their distributions are often currently fragmented and limited to relatively high elevations in mountainous regions and to the north of Europe. Our inferences of their range during the last glaciation appear contradictory: some studies indicate a range expansion through colonisation of the lowlands, while others suggest a range contraction because they were restricted to small refugia. In this study, we wished to identify which of these two alternative hypotheses explains best the current distribution of genetic variation in a European montane leaf beetle whose current range spans several mountains.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Four European mountain systems: Alps, Vosges, Massif Central, Pyrenees.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Time Period</h3>\u0000 \u0000 <p>End of the Quaternary, focusing mainly on the last glaciation and the Holocene.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>\u0000 <i>Gonioctena quinquepunctata</i> [Fabricius, 1787] (Coleoptera; Chrysomelidae).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Modelling of the potential current and last glacial maximum species distributions suggested that climatic conditions were more favourable in the lowlands during the last glaciation, opening the possibility that this leaf beetle has colonised them at the time. Characterising genomic variation across its current range using RAD-seq data and comparing alternative hypotheses about its evolution with coalescence models in a composite likelihood framework contradicted this hypothesis; however: these analyses inferred instead that the species was associated with a much smaller population size during the last glaciation, suggesting that its range was then restricted to the mountains' outskirts.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Comparing these results to those of other studies of European cold-adapted species, we argue that phylogeographic evidence points towards a similar glacial contraction of the range of many similar organisms.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832843","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}