{"title":"Cryptic Diversity in the Living Fossil Barnacle Ibla cumingi (Phosphatothoracica: Iblidae) Across the Indo-Pacific Is Driven by Multiple Vicariant Events From the Late Miocene to the Pleistocene","authors":"Adnan Shahdadi, Andrew M. Hosie, Benny K. K. Chan","doi":"10.1111/jbi.70013","DOIUrl":"https://doi.org/10.1111/jbi.70013","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p><i>Ibla cumingi</i>, a rocky intertidal barnacle, belongs to the order Iblomorpha, which is known as a living fossil with plesiomorphic characters and of Palaeozoic origin. This species lives cryptically inside crevices across the Indo-Pacific. We aim to investigate the phylogeography of this ancient barnacle, to test whether it forms a single phylogenetic unit or consists of different clades of long palaeo-historical or recent isolation, representing separate ancient populations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Indo-Pacific.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p><i>Ibla cumingi</i> (Cirripedia: Phosphatothoracica: Iblidae).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>The phylogeny was reconstructed using Bayesian analyses in BEAST, based on two nuclear markers (28S and 18S) and four mitochondrial markers (COX1, ND1, 16S and 12S). Phylogeographic and genetic structure analyses, including haplotype network construction and analyses of genetic differentiation among populations, were performed based on COX1 and 16S sequences.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Phylogenetic analyses recovered six geographically isolated clades, one from the Western Indo-Pacific and five distributed in the Central Indo-Pacific (CIP). Three out of five CIP clades were from western, northern and eastern Australia, with the latter holding the basal position. The most widespread clade was the South China Sea clade, distributed from Malaysia to Okinawa, showing shallow divergence between the western localities (Malaysia and Thailand) and the eastern localities (Vietnam to Okinawa).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Patterns from phylogenetic analyses revealed Australia is the origin of distribution, at least for the CIP lineage of <i>I. cumingi</i>. Molecular clock and the ranges of genetic distances confirm that the present-day geographic clades of this ancient barnacle are the results of recent (late Miocene to Pleistocene) vicariant events. Allopatric distribution of these six clades confirms that the oceanic barriers like the Indo-Pacific Barrier and Indonesian Throughflow are actively restricting genetic connectivity between clades. The localities in the South China Sea clade are connected by the help of oceanic currents in the South China Sea and northwestern Pacific.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145102150","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":"Genetic Structure in a Trans-Oceanic Hot Vent Mussel Reveals Four Metapopulations With Implications for Conservation","authors":"Qin Mao, Chong Chen, Jin Sun, Jin Liang, Yanan Sun, Yejian Wang, Cong Zeng, Mingting Li, Shuaicheng Xin, Dongsheng Zhang, Yadong Zhou","doi":"10.1111/jbi.70017","DOIUrl":"https://doi.org/10.1111/jbi.70017","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Genetic diversity and connectivity are crucial to informing the conservation strategy for deep-sea organisms, especially those threatened by deep-sea mining. The vent mussel <i>Bathymodiolus septemdierum</i> has an extraordinary trans-oceanic distribution range across the Indo-West Pacific including numerous sites eyed for exploitation. Here, we aimed to assess the connectivity of <i>B. septemdierum</i> across its entire range, for the first time.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Hydrothermal vent fields on the Carlsberg Ridge (CR), Central Indian Ridge (CIR), Southwest Indian Ridge (SWIR), as well as those in the Mariana Trough and the Southwest Pacific.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>\u0000 <i>Bathymodiolus septemdierum</i>\u0000 </p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Combining new and published data, we studied the genetic structure, historical demography and gene flow of <i>B. septemdierum</i> using three mitochondrial and two nuclear genes from a total of 444 individuals across 16 vent fields.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p><i>Bathymodiolus septemdierum</i> populations are structured with four regional metapopulations including (1) the whole Western Pacific, (2) CR in the northern Indian Ocean, (3) vents on the SWIR and southern CIR (CIR + SWIR) and (4) Onnuri field on the northern CIR. IMa3 analysis shows divergence first occurred between WP and the Indian Ocean, and then between CR and CIR + SWIR metapopulations. The gene flow towards CR from both CIR + SWIR and WP is higher than the reverse directions, while Onnuri received exceptionally high migrations from both CIR + SWIR and CR metapopulations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our findings support a large-scale dispersal scenario where larvae are carried westwards from the Pacific Ocean into the western Indian Ocean through Indonesia, and then separated into northern and southern Indian Ocean clades. The CR acts as an isolated gene pool for this species among others, and the Onnuri field serves as a key transition zone in the Indian Ocean, and we urge for the prioritised protection of these vents currently targeted by deep-sea mining.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70017","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145102095","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}
Botond B. Lados, Csilla É. Molnár, Máté Farkas, Attila Benke, Katalin Bereczki, László Nagy, Zoltán A. Köbölkuti, Srđan Stojnić, Lazar Kesić, Velisav Karaklić, Mladen Ivanković, Dragos Postolache, Tibor Hartel, Petar Zhelev, Milan Mataruga, Vladimir Tomov, Klára Cseke
{"title":"Large-Scale Genomic SNP Dataset for Central and Southeast European Turkey Oak (Quercus cerris L.) Populations Generated by ddRAD-Seq Method","authors":"Botond B. Lados, Csilla É. Molnár, Máté Farkas, Attila Benke, Katalin Bereczki, László Nagy, Zoltán A. Köbölkuti, Srđan Stojnić, Lazar Kesić, Velisav Karaklić, Mladen Ivanković, Dragos Postolache, Tibor Hartel, Petar Zhelev, Milan Mataruga, Vladimir Tomov, Klára Cseke","doi":"10.1111/jbi.70014","DOIUrl":"https://doi.org/10.1111/jbi.70014","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>In Central and Southeast Europe, oak-dominated forests form the backbone of temperate forest ecosystems. Therefore, their adaptability is crucial for maintaining the biodiversity of these ecosystems under ongoing climate change. Turkey oak (<i>Quercus cerris</i> L.) is a widespread species in these regions and holds significant potential for local forestry adaptation due to its drought-tolerant characteristics.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aims</h3>\u0000 \u0000 <p>In this study, we investigated natural-origin populations of the species across the Carpathian Basin and the Balkan Peninsula. Our objective was to construct a genomic dataset of single nucleotide polymorphisms (SNPs) to facilitate detailed analyses of the biogeography, genetic diversity, population structure, local selection and adaptation of Turkey oak.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials & Methods</h3>\u0000 \u0000 <p>A total of 32 populations were sampled within the study regions, mostly covering the habitat range of the species in those areas. To obtain high-resolution genomic information, we applied double digest restriction-site associated DNA sequencing (ddRAD-seq) to genotype 321 individuals. We performed SNP calling using reference mapping on the Turkey oak and cork oak genomes. In addition to genetic data, tree-ring and soil data were also collected to enable genotype-phenotype and genotype-environment associations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>As a result, two datasets were generated, containing 229,026 and 201,829 genome-wide SNP loci mapped to the Turkey oak and cork oak genomes, respectively. The genotype data were also supplemented with scanned images of tree-ring samples and soil data, which are provided as metadata within the same repository.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Discussion</h3>\u0000 \u0000 <p>The scale and design of the sampling scheme provide significant opportunities to explore the genetic diversity, population structure, gene flow and biogeography of Turkey oak in Central and Southeast Europe. In addition, supplementary tree-ring and soil data enable conducting various genotype-phenotype/environment associations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>The SNP data, along with additional tree-ring and soil data, are available with the following link, providing resources for future research on the species' genetics and bi","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145102094","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}
Ulrike Herzschuh, Ying Liu, Sisi Liu, Kathleen R. Stoof-Leichsenring, Philipp Porada, Jérémy Courtin, Luca Zofia Farkas, Thomas Böhmer, Boris K. Biskaborn, Bernhard Diekmann, Yongsong Huang, Darrell Kaufman, Martin Melles, Hanno Meyer, Luidmila A. Pestryakova, James M. Russell, Bernd Wagner
{"title":"Arctic-Boreal Bryophyte Dynamics Since the Last Glacial Inferred From Ancient DNA Metabarcoding","authors":"Ulrike Herzschuh, Ying Liu, Sisi Liu, Kathleen R. Stoof-Leichsenring, Philipp Porada, Jérémy Courtin, Luca Zofia Farkas, Thomas Böhmer, Boris K. Biskaborn, Bernhard Diekmann, Yongsong Huang, Darrell Kaufman, Martin Melles, Hanno Meyer, Luidmila A. Pestryakova, James M. Russell, Bernd Wagner","doi":"10.1111/jbi.70015","DOIUrl":"https://doi.org/10.1111/jbi.70015","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>This study investigates the main changes in bryophyte diversity and composition during the last 30,000 years in arctic and boreal ecosystems. Turnover in biological and ecological trait compositions of recorded bryophytes is assessed to explore changes in dominant life-strategies and habitats.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>The study area covers Siberia and Alaska (55°–90° N, 50°–150° E and 40°–90° N, 150° E-140° W).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Bryophytes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We leveraged a dataset of plant DNA metabarcoding (chloroplast, <i>trn</i>L) of sedimentary ancient DNA from 26 lake sediment cores. Our statistical analyses only target DNA reads assigned to bryophytes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>A total of 120 amplicon sequence variants were obtained, which could be assigned 100% to bryophyte taxa. Our results indicate that the dominant families in the palaeo-record reflect well the dominant families observed in Siberia and Alaska, and compositional changes reflect mainly the modern latitudinal gradient. For example, <i>Sphagnum</i> shows a clear post-glacial expansion pattern. Richness was high in times of high habitat diversity. Our data reveal a turnover from biological traits characteristic of an r-strategy (colonists/short-lived, small size, monoicous, long sporophyte season, small spores) during the glacial towards a K-strategy (long-lived, large size, dioicous, short sporophyte season, large spores) during the Holocene. The ecological traits indicate a shift towards taxa with a preference for high summer temperature, forested habitats, soil acidity and wetlands.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our results indicated substantial changes in the diversity and taxonomic composition, and dominant biological and ecological traits of bryophyte communities along with past warming and related habitat changes at the transition from glacial period to Holocene. This may to some extent represent an analogue for ongoing ecological change in northern high latitudes. Leveraging bryophyte records in sedimentary ancient DNA reveals promising results which could be enhanced once bryophyte representation in biodiversity and genetic databases has increased and bryophyte-specific ancient DNA methods become established.</p>\u0000 ","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70015","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101437","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":"Observed and Dark Diversity of Tree Species Are Driven by Historical and Current Forest Availability","authors":"Ji-Zhong Wan, Chun-Jing Wang, Xiao-Dan Wang","doi":"10.1111/jbi.70009","DOIUrl":"https://doi.org/10.1111/jbi.70009","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Tree species diversity (TSD) is positively correlated with forest availability in both historical and current contexts, which, in turn, may influence ecosystem services. Both observed and dark diversity have been widely used for biodiversity conservation and ecosystem restoration. Therefore, exploring the drivers of both observed and dark diversity could contribute to ecosystem management and nature conservation. In this study, we examined whether historical and current forest availability drive observed and dark diversity in tree species.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Global.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Trees.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We obtained distribution data of the tree species, including their geographical coordinates, from a variety of databases and forest availability maps across different periods from the Historical Database of the Global Environment 3.3 (HYDE 3.3). Then, we used a hypergeometric method to estimate the species pool and dark diversity at the ecoregional scale based on pairwise associations among species, using species × species co-occurrence matrices. Finally, a general linear mixed model coupled with general additive models was used to explore the relationships between TSD (i.e., observed diversity, dark diversity, species pool, and community completeness) and forest availability.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We found significant differences in TSD in different realms. Historical and current forest availability were drivers of TSD across different spatial and temporal scales. Observed diversity, dark diversity, and species pools showed a strong but lagged response to forest availability, whereas community completeness exhibited unlagged effects. Spatial differences in TSD could exist widely along the gradient of forest availability.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Forest management for TSD should be based on community completeness at appropriate temporal and spatial scales. Our study provides novel insights into the conservation of forest ecosystems using different TSD indices in relation to historical and current forest availability.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101332","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":"Global Change Likely to Promote the Expansion of the Quagga Mussel (Dreissena bugensis) in Europe","authors":"B. Gallardo, D. C. Aldridge","doi":"10.1111/jbi.70012","DOIUrl":"https://doi.org/10.1111/jbi.70012","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Invasive aquatic species are a pressing concern for environmental managers due to their significant impacts and high eradication costs. The Ponto-Caspian region is a notable source of aquatic invasive species, with over 40 invaders currently affecting freshwater ecosystems throughout Europe. Among these, the quagga mussel (<i>Dreissena bugensis</i>) stands out due to its swift colonisation and disruptive ecological effects. We hypothesise that climate change will lead to an increased range for the quagga mussel, similar to its congener, the zebra mussel (<i>Dreissena polymorpha</i>).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>The risk assessment area of this study covers the European Union and United Kingdom (EU27 + UK) under climate change scenarios for 2050 and 2070.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Mollusca, Bivalvia, Dreissenidae, <i>Dreissena bugensis</i>.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Material and Methods</h3>\u0000 \u0000 <p>We used the global distribution of the species including 818 occurrences from the Global Biodiversity Information Facility (GBIF) and 430 additional records from an extensive literature review. We used species distribution models (SDM) based on climate and topography to calculate the risk of establishment of the quagga mussel by biogeographic region, country and major catchment. We also evaluated how the risk may change under 2050 and 2070 climate change scenarios. Models were calibrated with data pre-2020 and validated with data from 2021 to 2024, showing a 92% success classification of the more recent occurrences.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results and Discussion</h3>\u0000 \u0000 <p>SDM revealed that climate suitability for the quagga mussel is highest along the Danube, Main–Rhine, Meuse and Moselle Rivers. Climate change is predicted to elevate the likelihood of establishment in the Boreal region, with a 60%–79% increase in suitability, while suitability remains low in the Mediterranean regions (18%–27% decrease in suitability). Climate change may indirectly facilitate the species' expansion through new water infrastructure, such as reservoirs and inter-basin water transfers, constructed in response to increasing extreme weather events. This study underscores the need for proactive management strategies to mitigate the mussel's expanding range and impact, particularly in regions vulnerable to climate change.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145101122","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":"Cover","authors":"","doi":"10.1111/jbi.14928","DOIUrl":"https://doi.org/10.1111/jbi.14928","url":null,"abstract":"<p>On the cover: A large-eyed pit viper (<i>Trimeresurus macrops</i>), a part of the incredible tropical species richness of Thailand. Photo credit: John J. Wiens.\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 8","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.14928","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144611967","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}
Aaron A. Skinner, Alicia M. Korpach, Susanne Åkesson, Marja H. Bakermans, Erin M. Bayne, Thomas J. Benson, Giovanni Boano, R. Mark Brigham, Simon S. Christiansen, Greg J. Conway, Christina M. Davy, Ruben Evens, Kevin C. Fraser, Autumn-Lynn Harrison, Anders Hedenström, Ian G. Henderson, Juha Honkala, Lars B. Jacobsen, Michiel Lathouwers, Peter P. Marra, Janet W. Ng, Gabriel Norevik, Amy L. Scarpignato, Kasper Thorup, Christopher M. Tonra, Steven L. Van Wilgenburg, Andrew C. Vitz, Michael Ward, Elly Knight
{"title":"Environmental and Geographic Conditions on the Breeding Grounds Drive Bergmannian Clines in Nightjars","authors":"Aaron A. Skinner, Alicia M. Korpach, Susanne Åkesson, Marja H. Bakermans, Erin M. Bayne, Thomas J. Benson, Giovanni Boano, R. Mark Brigham, Simon S. Christiansen, Greg J. Conway, Christina M. Davy, Ruben Evens, Kevin C. Fraser, Autumn-Lynn Harrison, Anders Hedenström, Ian G. Henderson, Juha Honkala, Lars B. Jacobsen, Michiel Lathouwers, Peter P. Marra, Janet W. Ng, Gabriel Norevik, Amy L. Scarpignato, Kasper Thorup, Christopher M. Tonra, Steven L. Van Wilgenburg, Andrew C. Vitz, Michael Ward, Elly Knight","doi":"10.1111/jbi.15176","DOIUrl":"https://doi.org/10.1111/jbi.15176","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>To evaluate (1) whether three migratory nightjar species (Family Caprimulgidae) adhere to Bergmann's rule, (2) whether environmental factors on the breeding or wintering grounds determine body size, and (3) which mechanistic hypotheses best explain Bergmannian patterns in body size.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>North and South America; Europe and Africa.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Eastern whip-poor-will (<i>Antrostomus vociferus</i>), Common nighthawk (<i>Chordeiles minor</i>) and European nightjar (<i>Caprimulgus europaeus</i>).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We used GPS tracking and morphometric data to assess competing hypotheses explaining variation in body size for each species, based on their breeding (<i>n</i> = 3388) and wintering (<i>n</i> = 189) locations.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>All three species exhibited Bergmannian patterns in body size, providing the first evidence that nightjars conform to Bergmann's rule despite adaptations to severe environmental conditions. Environmental and geographic variables at breeding sites were stronger predictors of body size than wintering-site variables. Although we found partial support for Bergmann's temperature regulation hypothesis, geographic variables, rather than specific environmental factors, emerged as the strongest predictors of body size variation.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Latitude and longitude correlated strongly with environmental variables and migratory distance; thus, these geographical variables likely encompass many factors that influence body size in nightjars. The present study is among the first to use tracking data from individual birds to understand how environmental pressures across the annual cycle are related to body size. Our findings highlight the critical role of geographic breeding-ground factors in shaping Bergmannian patterns, offering robust evidence to support nearly two centuries of research since Bergmann's rule was first described in 1847.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 10","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15176","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145100898","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}
Nestor E. Bosch, Rick D. Stuart-Smith, Katie May Laumann, Graham J. Edgar, Conor Waldock, J. Emmett Duffy, Jonathan S. Lefcheck
{"title":"Biotic Mechanisms Strengthen Functional and Phylogenetic Convergence of Reef Fish Assemblages at Higher Latitudes","authors":"Nestor E. Bosch, Rick D. Stuart-Smith, Katie May Laumann, Graham J. Edgar, Conor Waldock, J. Emmett Duffy, Jonathan S. Lefcheck","doi":"10.1111/jbi.70011","DOIUrl":"https://doi.org/10.1111/jbi.70011","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>How communities of organisms come together has long fascinated scientists, with renewed interest in using functional and evolutionary patterns to infer mechanisms of community assembly. Ecological theory predicts that biotic interactions could lead to either divergence in the event of niche partitioning or convergence through the exclusion of competitively inferior species, but most macroecological studies attribute the latter to environmental influences. Here, we investigated the relative importance of these two opposing mechanisms across broad spatial gradients. We hypothesised stronger signals of: (<i>i</i>) convergence at high latitude owing to ecological generalism and (<i>ii</i>) divergence at low latitudes owing to specialisation.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Major Taxa Studied</h3>\u0000 \u0000 <p>Reef-associated bony fishes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Global.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Time Period</h3>\u0000 \u0000 <p>2006–2019.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We used a global dataset on marine reef fish assemblages comprising 2476 species at 3325 sites to disentangle the biotic drivers of community assembly across > 100° of latitude. We then applied a framework to remove environmental influences before examining whether any signs of biotic interactions remained in the trait and phylogenetic diversity of local communities relative to the (environmentally constrained) regional species pool, drawing on six functional traits and a phylogeny of bony fishes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Local fish assemblages were more functionally and phylogenetically similar to each other than expected based on the regional species pool at higher latitude reefs (i.e., show greater convergence). This pattern was evident after accounting for major sources of local environmental variation, suggesting exclusion of weak competitors. Functional convergence was mainly driven by traits related to resource acquisition, with high-latitude assemblages converging towards more energetic carnivorous and planktivorous diets.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our results suggest that biotic interactions drive greater trait and phylogenetic convergence from tropical to temperate zones. Likel","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.70011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832847","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}
M. L. Araujo, M. T. P. Coelho, N. J. Gotelli, R. K. Colwell, T. F. Rangel, C. S. Dambros
{"title":"In Situ Speciation of Dispersal-Limited Taxa Leads to Strong Phylogenetic Community Clustering","authors":"M. L. Araujo, M. T. P. Coelho, N. J. Gotelli, R. K. Colwell, T. F. Rangel, C. S. Dambros","doi":"10.1111/jbi.70005","DOIUrl":"https://doi.org/10.1111/jbi.70005","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Phylogenetic community structures have traditionally been interpreted through the lens of niche processes, such as environmental filtering and interspecific competition. However, these structures have been continuously shaped over evolutionary time by biogeographical dynamics, a process that is often overlooked. Here, we disentangled the influence of speciation and dispersal on spatial phylogenetic structures using neutral simulation models, while turning off niche-based processes.</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>Simulated clades.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We simulated biogeographical dynamics of individuals evolving under random speciation, dispersal and demographic processes. Each model incorporated different combinations of speciation and dispersal rates, and the phylogenetic structures of its communities were assessed using standardised effect sizes of Mean Phylogenetic Distances (SES<sub>MPD</sub>). We evaluated the SES<sub>MPD</sub> in response to varying degrees of speciation and dispersal rates, and its relationship with community isolation, using Ordinary Least Square (OLS) models.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Increased speciation rates and reduced rates both contribute to higher phylogenetic clustering, leading to a higher co-occurrence of closely related species. While both variables independently influence phylogenetic structure, the extent of phylogenetic clustering is primarily determined by the increased ratio between speciation and dispersal rates. This trend toward phylogenetic clustering persisted even at smaller scales, albeit with reduced intensity. Clustering was more pronounced in isolated communities, with the effects intensifying based on the combination of speciation and dispersal rates.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our study demonstrates that biogeographical dynamics can drive strong phylogenetic structures even in the absence of niche processes. Specifically, in situ speciation rates can enhance phylogenetic clustering by continuously adding species to community pools, such as through the exploitation of novel ecological opportunities. However, the extent of this clustering largely depends on the degree of geographical isolation and dispersal limitations experienced by the radiating lineages, which influence biotic interchange and phylogenetic homogenisation among community comp","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"52 9","pages":""},"PeriodicalIF":3.6,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144832396","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}