Journal of Biogeography最新文献

{"title":"A Revision to the Distribution of Plumage Polymorphism in the Red-Tailed Hawk (Buteo jamaicensis)","authors":"Bryce W. Robinson,&nbsp;Nicole M. Richardson,&nbsp;Nick A. Alioto,&nbsp;Frank J. Nicoletti,&nbsp;Alexandra M. Pesano,&nbsp;Mei T. Rao,&nbsp;Brian L. Sullivan","doi":"10.1111/jbi.15010","DOIUrl":"10.1111/jbi.15010","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>The high proportion of plumage polymorphism in raptor species presents exciting research potential. Unfortunately, fundamental knowledge gaps remain that limit our ability to fully understand the development and role of plumage polymorphism in this group and extend those insights to vertebrates as a whole. We report data that fills one such knowledge gap in the red-tailed hawk (<i>Buteo jamaicensis</i>) that will enable investigations to uncover factors that influence the biogeography of plumage polymorphism in the species and raptors more generally.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>North America.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p><i>Buteo jamaicensis</i> (red-tailed hawk).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We captured and outfitted four dark and 22 light morphs with GPS/GSM satellite transmitters during the non-breeding season in the Great Lakes region of North America to assess their breeding provenance and behaviours. We calculated 95% AKDE nesting home ranges during an 80-day period meant to capture the incubation and brood-rearing periods and compared home ranges by age and sex to contextualise movements.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Our results indicate that dark types nest in eastern Canada and belong to the same breeding population as the light individuals tagged in our study, extending the known distribution of plumage polymorphism in the species approximately 1500 km eastward into eastern Canada.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>This revised distribution of plumage polymorphism is a critical first step for understanding the biogeography of plumage polymorphism and assessing drivers of within-population trait diversity in this species, and predatory vertebrates more generally.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2538-2545"},"PeriodicalIF":3.4,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178201","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":"Taxonomic, Functional and Phylogenetic Beta Diversity of Upland Forest Birds in the Amazon: The Relative Importance of Biogeographic Regions, Climate and Geographic Distance","authors":"Sara Miranda Almeida,&nbsp;Cristian Dambros,&nbsp;Leandro da Silva Duarte,&nbsp;Pablo Cerqueira,&nbsp;Leandro Juen,&nbsp;Marcos Pérsio Dantas Santos","doi":"10.1111/jbi.15006","DOIUrl":"10.1111/jbi.15006","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;We address the relative importance of biogeographic regions (areas of endemism), regional climate and spatial factors on taxonomic, functional and phylogenetic beta diversity of bird assemblages in upland &lt;i&gt;terra-firme&lt;/i&gt; forests in the Amazon.&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;Amazon biome.&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;Birds.&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 gathered 27,498 occurrence records of 873 bird species for 115 bird assemblages distributed in all nine biogeographic regions delimited by the major Amazonian rivers. Only data from studies surveying whole communities with standard sampling methods and exhaustive sampling effort were included. We partitioned the fractions of taxonomic, functional and phylogenetic beta diversity explained by climate, biogeographic regions, spatial factors and the variation shared between them.&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;Across the entire Amazon, we found higher total taxonomic (0.68 ± 0.10) than phylogenetic (0.46 ± 0.08) β-diversity, and low functional β-diversity (0.34 ± 0.08). Biogeographic regions showed the highest unique contributions explaining taxonomic and phylogenetic β-total (7% and 5%, respectively) and turnover components (7% of β-jtu taxonomic, 7% of β-jtu phylogenetic), but accounted for only 2% of total functional β-diversity and trait turnover. Climatic variables explained slightly more trait nestedness (5%) compared with species and lineage turnover (3% each). Species composition was clearly distinct between biogeographical regions limited by the Amazon River, but support for the effect of other rivers was mixed.&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 study highlights the significant influence of biogeographic regions and climate on species composition in the Amazon. However, our findings also suggest that the Amazon River exerts a more pronounced impact on species distribution compared with other major Amazonian rivers. Species turnover across biogeographical regions is particularly evident at the species level, with minor effects observed in functional traits, suggesting that taxonomic turnover is driven mainly by functionally redundant species. In addition, recent diversification events, occurring predominantly at the tips of the phylogeny without substantial turnover at deeper nodes, are likely responsible for the patchy distribution of species across Amazonia.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 ","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2526-2537"},"PeriodicalIF":3.4,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178227","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":"Climate, Host Abundance and Spread: Unravelling the Drivers of Forest Pest Distributions in North America","authors":"Andrew V. Gougherty,&nbsp;Ashley D. Walters,&nbsp;Anantha Prasad,&nbsp;Matthew P. Peters,&nbsp;Stephen N. Matthews,&nbsp;Ian DeMerchant","doi":"10.1111/jbi.15004","DOIUrl":"10.1111/jbi.15004","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Forest pathogens, insect pests and parasitic plants are among the most important disturbance agents in forested ecosystems. Understanding where pests occur and where they might occur in the future will be important for understanding their impacts on host trees, and planning for future pest outbreaks.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>North America.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Insect pests, pathogens and parasitic plants of forest trees.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Here, we develop and implement a framework to predict the contemporary distributions of 26 pest species that accounts for climate, host abundance and, for non-native species, their spread on the landscape.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We show that pest distributions can be predicted primarily by climatic variables. The abundance of individual host trees had only minor explanatory power, but the summed total of host abundance frequently had greater importance—suggesting forest composition and the relative frequency of hosts and non-hosts place strong limits on pest distributions. Non-native pests were strongly impacted by the distance from their original discovery location in North America, which tended to interact with climate variables—suggesting most non-native pests are not yet at equilibrium with their potential climatic ranges in North America.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>This work helps to clarify the generalised controls on pest distributions and provide a framework for predicting pest distributions in future climates.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2498-2511"},"PeriodicalIF":3.4,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178225","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":"Climate Interacts With Diversification Rate in Determining Species Richness and Trait Diversity of Tetrapods in a Global Hotspot","authors":"Matheus de T. Moroti,&nbsp;Alexander Skeels,&nbsp;Fernando R. da Silva,&nbsp;Diogo B. Provete","doi":"10.1111/jbi.15001","DOIUrl":"10.1111/jbi.15001","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Two classes of mechanisms offer opposing explanations for biodiversity patterns: Equilibrium and nonequilibrium dynamics. While not necessarily mutually exclusive, studies investigating their relative support have shown mixed results. Thus, contrasting these mechanisms across multiple taxa in the same geographic area can provide valuable insights into their role in explaining different biodiversity facets. Here, we evaluated which variables representing these dynamics best explain functional and taxonomic diversity of four tetrapod clades in a global hotspot.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Atlantic forest.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Terrestrial vertebrates.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We used climate, primary productivity and topography heterogeneity as proxy for equilibrium dynamics, and diversification rate and assemblage age as proxy for nonequilibrium dynamics. After that, we used spatially explicit structural equation models based on generalised least squares models to test how species richness and trait diversity are influenced by these dynamics processes. Furthermore, we spatialized the variables for each group and tested whether they were congruent.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Diversification rate was a strong positive driver of species richness and trait diversity, while climate was both an indirect and direct negative driver of richness and trait diversity. Furthermore, we found a congruent pattern of richness between endotherms, but not between ectotherms. In contrast, the spatial distribution of trait diversity, assemblage age and diversification rate was distinct for each group.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusion</h3>\u0000 \u0000 <p>High diversification rates and climatic conditions played a key role in determining trait diversity and species richness. In addition, species richness and trait diversity responded to the same variables across tetrapod lineages but showed different spatial patterns. This supports the idea that both dynamics operate together to explain community assembly at a regional scale. Our findings suggest that the dichotomy between these two classes of mechanisms may not sufficiently explain diversity patterns in biodiverse and climatically complex environments such as the Atlantic Forest.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2484-2497"},"PeriodicalIF":3.4,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178088","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":"How Geomorphology Maps the Dispersal Barriers of Large Herbivorous Mammals in China","authors":"Yicheng Ren,&nbsp;Ziyi Xu,&nbsp;Manyu Li,&nbsp;Wenyu Dai,&nbsp;Jiechen Wang","doi":"10.1111/jbi.15007","DOIUrl":"10.1111/jbi.15007","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Literature and fossil records document the long-term occurrence sites of large herbivorous mammals in China. These sites exhibit spatially uneven distribution, potentially reflecting constraints on the dispersal of large herbivorous mammals imposed by stable geomorphic factors. In this study, we examine the impact of landforms on the dispersal of four taxa of large herbivorous mammals across China.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>China.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Rhinocerotidae, Elephantidae, <i>Equus</i>, <i>Camelus.</i></p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We employed the Omniscape algorithm to create a connectivity model from geomorphic data (slope, elevation and ground cover), assessing the extent to which Chinese landforms obstruct large herbivore dispersal. This model utilised historical distribution sites to delineate barrier strips.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Dispersal barriers show regional variation, segmenting China into four distinct regions. The Tibetan Plateau, Taklamakan Desert and Qinling Mountains constitute Region A, presenting the most significant barrier. Region B, characterised by dense, continuous mountain ranges and arid landforms in Northwest China, poses a secondary barrier. Region C, with fragmented mountain ranges in Southwest China, exhibits a diminished barrier effect. Region D features the eastern coastal plains with minimal geomorphic constraints.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The edge mountains of the Tibetan Plateau form a continuous barrier strip. The Qinling–Taihang–Yanshan mountain chain constitutes a discontinuous barrier strip. This is because the mountain chain belongs to two geological structural units and is eroded by rivers, creating many corridors.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2512-2525"},"PeriodicalIF":3.4,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178203","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":"A Multi-Modelling Approach for Informing the Conservation of a Cold-Adapted Terrestrial Amphibian in the Face of Climate Change","authors":"Mirza Čengić,&nbsp;Emina Šunje,&nbsp;Lucio Bonato,&nbsp;Raoul Van Damme,&nbsp;Rob H. J. Lenders,&nbsp;Mark A. J. Huijbregts,&nbsp;Lada Lukić Bilela,&nbsp;Aafke M. Schipper","doi":"10.1111/jbi.15005","DOIUrl":"10.1111/jbi.15005","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>We aimed to assess potential climate change impacts on the distribution of a cold-adapted terrestrial amphibian that shows strong intraspecific differentiation.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Alps and Dinarides.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Alpine salamander (<i>Salamandra atra</i>).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We built SDMs for each of two major intraspecific lineages (<i>S. a. atra</i>, which is found throughout the Northern Alps, and <i>S. a. prenjensis</i>, which appears sparsely along the Dinarides) and for the entire species, using occurrence points from a carefully curated database, climate data with 1 km² spatial resolution and eight modelling techniques. We projected climatically suitable areas to 2070 under two climate scenarios (RCP2.6 and RCP8.5), using 24 general circulation models.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>For <i>S. a. atra</i>, under RCP2.6 scenario, we detected a 3% increase in the extent of climatically suitable areas in the Alps (although with low model agreement), yet a 6% decrease under the RCP8.5 scenario. For <i>S. a. prenjensis</i>, we detected a decrease in the extent of climatically suitable areas in the Dinarides between 7% and 45% (RCP2.6 and RCP8.5, respectively). The SDM predictions for the entire species were most in line with those of the <i>S. a. atra</i> model. Although climate variables were not equally strong in predicting the climatic suitability for both lineages, the minimum temperature of the coldest month revealed an important predictor for the entire species, with clear decreases in suitability towards higher temperature.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>All models reveal a considerable decrease in climate suitability throughout most of the range of <i>S. atra</i>, which is particularly visible in the Dinarides. We highlight the importance of considering intraspecific variation when modelling climate change impacts on geographically differentiated species whose populations vary in their climatic niche. We provide our study results (occurrence data and maps) via a web application that can be useful for guiding conservation efforts.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2469-2483"},"PeriodicalIF":3.4,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178206","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":"Quantifying the Capacity for Assisted Migration to Achieve Conservation and Forestry Goals Under Climate Change","authors":"Yibiao Zou,&nbsp;Gregory A. Backus,&nbsp;Hugh D. Safford,&nbsp;Sarah Sawyer,&nbsp;Marissa L. Baskett","doi":"10.1111/jbi.14999","DOIUrl":"10.1111/jbi.14999","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Many tree species may be threatened with declines in range and biomass, or even extinction, if they cannot disperse or adapt quickly enough to keep pace with climate change. One potential, and potentially risky, strategy to mitigate this threat is assisted migration (AM), the intentional movement of species to facilitate population range shifts to more climatically suitable locations under climate change. The ability for AM to minimise risk and maximise conservation and forestry outcomes depends on a multi-faceted decision process for determining, what, where and how much to move. We provide an assessment on how the benefits and risks of AM could affect the decision-making process.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Mountainous coastal western United States.</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 used a dynamic vegetation model parameterised with 23 tree species.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We found that most of the modelled species are likely to experience a substantial decline in biomass, with many potentially facing regional extinction by 2100 under the high-emission SSP5-85 climate-change scenario. Though simulations show AM had little effect on the forestry goal of total biomass across all species, its effects on the conservation goal of promoting individual species' persistence were far more substantial. Among eight AM strategies (differing in the life cycle stage of movement and target destination selection criteria), the approach that conserved the highest biomass for individual species involved relocating target seedlings to areas that recently experienced fire. Although this strategy significantly reduced extinction risk for six at-risk species compared with no action, it also slightly reduced biomass of four species, due to increasing competition. Species with relatively weak tolerance to drought, fire or high temperature were the most likely candidate groups for AM.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Our simulations indicate that AM can aid conservation by reducing extinction risks for species vulnerable to climate change, but it has limited impact on forestry-specific goals, affecting overall biomass minimally. This model framework could be applied to other forest ecosystems to evaluate the efficacy of AM globally.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2440-2455"},"PeriodicalIF":3.4,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178228","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":"Using a Nested Sampling Design Across Spatial Scales to Gain Insights Into Distribution Patterns of Fishes, Mussels and Macroinvertebrates in a Riverine System","authors":"Mariana Perez Rocha,&nbsp;Karl Cottenie,&nbsp;Katherine Clein,&nbsp;Lindsey Elkins,&nbsp;Rebecca Mangold,&nbsp;Weston Nowlin,&nbsp;Joshuah S. Perkin,&nbsp;Kirby Wright,&nbsp;Astrid Schwalb","doi":"10.1111/jbi.15003","DOIUrl":"10.1111/jbi.15003","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>The goal of our study was to use a nested sampling design to compare the distribution of different groups of organisms with different dispersal modes and examine their responses in community composition to environmental heterogeneity at different spatial scales (local pool vs. riffle habitat, sections within a river and between rivers).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Upper Colorado River basin, Texas, USA.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>Fishes, mussels and macroinvertebrates.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>We sampled 100 sites using a nested sampling design across five rivers (four tributaries and the mainstem), with four river sections and five sampling sites per section, each consisting of a pool and riffle habitat. Collected data on species abundances, local and landscape environmental variables and spatial variables were analysed using a combination of dissimilarity, redundancy and variation partitioning analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>At the river scale, environmental heterogeneity explained 28% and 34% of the variation in mussel and fish communities, respectively, and 15% for macroinvertebrates. Community changes between sections in the tributaries were highest for fishes, but similarly high for fishes and macroinvertebrates in the mainstem. Significant patterns for mussels were only detected in rivers with higher abundances. No significant differences in dissimilarity were found between mesohabitats, but a small significant effect of mesohabitat was detected for mussels with RDA after removing the river effect.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusions</h3>\u0000 \u0000 <p>Although the depauperate mussel communities made it more difficult to draw any conclusions, there were some indications that their distribution was driven by environmental heterogeneity across scales. Section and river scales were relevant for fish, whereas macroinvertebrates showed a weaker response to environmental heterogeneity at these scales. The combination of approaches detected more ecologically meaningful patterns than one analysis alone would have. This study highlights the complexity of riverine community dynamics and underscores the need for a multiscale approach to identify their distribution patterns.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2456-2468"},"PeriodicalIF":3.4,"publicationDate":"2024-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178205","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":"Holocene Climate Change Promoted Allopatric Divergence and Disjunct Geographic Distribution in a Bee Orchid Species","authors":"Anaïs Gibert,&nbsp;Roselyne Buscail,&nbsp;Michel Baguette,&nbsp;Christelle Fraïsse,&nbsp;Camille Roux,&nbsp;Bertrand Schatz,&nbsp;Joris A. M. Bertrand","doi":"10.1111/jbi.14998","DOIUrl":"10.1111/jbi.14998","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Aim</h3>\u0000 \u0000 <p>Species with disjunct geographic distributions provide natural opportunities to investigate incipient or recent allopatric divergence. The combination of both genetic and ecological data may be fruitful to decipher the causes of such patterns: (i) actual vicariance, (ii) successful colonisation from one source to a new range (dispersal, biological introduction) or (iii) parallel convergent evolution.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Location</h3>\u0000 \u0000 <p>Southern France and Northern Spain.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Taxon</h3>\u0000 \u0000 <p>The bee orchid <i>Ophrys aveyronensis</i> (and its two recognised subspecies <i>O. a.</i> subsp. <i>aveyronensis</i> and <i>O. a.</i> subsp. <i>vitorica</i>) displays a disjunct geographic distribution with two subranges separated by 600 km on both sides of the Pyrenees mountain range.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>As allopatric divergence is often complex to document in the wild, we used a combination of population genomics and ecological niche modelling (ENM) to investigate the causes of this intriguing biogeographic pattern.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The population genomic data demonstrate that all the studied populations exhibit similar patterns of genetic diversity and dramatic decrease in effective size compared with the ancestral population. Significant genetic differentiation and reciprocal monophyly exist between populations of the two subranges of <i>O. aveyronensis</i>, despite a very recent divergence time as young as ca. 1500 generations ago. Moreover, paleo-ENM analyses support that the disjunct geographic distribution of <i>O. aveyronensis</i> is consistent with a range split of a broad ancestral range, contraction and distinct longitudinal and latitudinal shifts in response to climate warming during the Holocene.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Main Conclusion</h3>\u0000 \u0000 <p>The congruence of the results obtained from both population genomics and ENM approaches documents how very recent continental allopatric divergence initiated speciation in this system. <i>O. aveyronensis</i> provides a promising opportunity to study the onset of reproductive isolation and parallel evolution following an initial stage of geographic separation in a group with high diversification rate.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2424-2439"},"PeriodicalIF":3.4,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178224","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":"Improving Online Citizen Science Platforms for Biodiversity Monitoring","authors":"Francesca Della Rocca,&nbsp;Marco Musiani,&nbsp;Marco Galaverni,&nbsp;Pietro Milanesi","doi":"10.1111/jbi.15000","DOIUrl":"10.1111/jbi.15000","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Monitoring biodiversity is crucial in biogeography. Citizen science and biodiversity platforms have revolutionized data access across taxa, but they struggle to provide robust raw data essential for conservation decisions.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Aims</h3>\u0000 \u0000 <p>This study addresses data gaps for under-represented species and locations, observer expertise variability, and the lack of absence data and sampling effort information to improve data representation and suitability for statistical analyses.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials &amp; Methods</h3>\u0000 \u0000 <p>We collected, compared to IUCN-recognized taxonomic groups, all worldwide living being (animal, plant and fungi) observations held by four major biodiversity platforms: eBird, GBIF, iNaturalist, and Observation.org. We also organized such observations by country of origin and based on their Human Development Index (HDI).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We found that, while GBIF, iNaturalist, and Observation.org cover all life forms, birds are the most observed (eBird is a bird-specific platform), whereas fish, other marine organisms, arthropods, and invertebrates are dramatically underrepresented. Moreover, none of the above-mentioned biodiversity platforms considered or directly analysed expertise variability among observers and, apart from eBird, the other three biodiversity platforms do not accommodate data on species absence and sampling effort.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Discussion and Conclusion</h3>\u0000 \u0000 <p>Finally, we found that species observations on biodiversity platforms considered in this study are skewed towards high HDI countries, primarily North America and Europe. By enhancing the effectiveness of biodiversity platforms, this study has the potential to significantly advance the field of biogeography, paving the way for more informed and effective conservation strategies. Overall, our findings underscore the untapped potential of these platforms in contributing to our understanding of the spatial and temporal patterns of biodiversity.</p>\u0000 </section>\u0000 </div>","PeriodicalId":15299,"journal":{"name":"Journal of Biogeography","volume":"51 12","pages":"2412-2423"},"PeriodicalIF":3.4,"publicationDate":"2024-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.15000","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142178140","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}