Journal of Biogeography最新文献_第9页

Decapod Biodiversity Hotspots and Environmental Drivers: A Macroecological Approach About Bycatch Species in Brazil 十足类生物多样性热点与环境驱动因素：巴西副渔获物种的宏观生态学分析

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-21 DOI: 10.1111/jbi.70076

Jeniffer N. Teles, Fernando L. Mantelatto

<div> <section> <h3> Aim</h3> <p>To investigate the spatial patterns of species richness (SR), phylogenetic diversity (PD) and phylogenetic endemism (PE) in bycatch decapod crustaceans along the Brazilian Exclusive Economic Zone and to assess the influence of environmental variables and trawling effort on these diversity indices.</p> </section> <section> <h3> Location</h3> <p>Brazilian Exclusive Economic Zone.</p> </section> <section> <h3> Taxa</h3> <p>Decapoda.</p> </section> <section> <h3> Methods</h3> <p>We compiled <i>bycatch</i> occurrence data from peer-reviewed studies and global biodiversity repositories. Diversity indices (SR, PD, PE, ED and WE) were estimated using a phylogenetic approach incorporating mitogenomic markers. Environmental and trawling effort data were extracted from global databases, and statistical analyses, including redundancy analysis (RDA), spatial regression and random forest models, were applied to determine the drivers of diversity.</p> </section> <section> <h3> Results</h3> <p>Decapod diversity showed strong spatial heterogeneity across the EEZ. SR peaked in southeastern Brazil in upwelling-influenced ecotones, while PD and PE were highest in offshore and equatorial regions. PD was strongly associated with bottom temperature, primary productivity (PP) and current velocity; SR was mainly driven by salinity, light availability and PP; and PE was best explained by temperature and PP. Most hotspots of phylogenetic diversity and endemism fell outside Marine Protected Areas (MPAs), revealing significant conservation gaps in offshore and southern regions.</p> </section> <section> <h3> Main Conclusions</h3> <p>This study provides the first macroecological framework of decapod diversity in the Brazilian EEZ and one of the first applications of phylogenetic diversity (PD) and phylogenetic endemism (PE) metrics for decapods in the South Atlantic. We show that temperature, salinity, productivity and current dynamics differentially shape biodiversity metrics. Southeastern and offshore zones host unique evolutionary lineages but remain underrepresented in current MPA networks. By integrating phylogenetic and environmental data, our findings offer a baseline to improve spatial biodiversity assessments and support more representative conservation planning under shifting ocean conditions.</p> </section> <

目的研究巴西专属经济区副渔获十足类甲壳类动物物种丰富度（SR）、系统发育多样性（PD）和系统发育特有性（PE）的空间格局，并评价环境变量和拖网捕捞量对这些多样性指标的影响。位置巴西专属经济区。分类单元十足目。方法从同行评审研究和全球生物多样性库中收集副渔获物发生数据。多样性指数（SR， PD， PE， ED和WE）使用包含有丝分裂基因组标记的系统发育方法进行估计。从全球数据库中提取环境和拖网捕捞数据，采用冗余分析（RDA）、空间回归和随机森林模型等统计分析方法确定多样性的驱动因素。结果十足类动物多样性在经济区内表现出较强的空间异质性。SR在巴西东南部受上升流影响的过渡带中最高，而PD和PE在近海和赤道地区最高。PD与底温、初级生产力（PP）和流速密切相关；SR主要受盐度、光利用率和PP的影响；系统发育多样性和特有性的热点主要集中在海洋保护区以外，表明近海和南部地区存在明显的保护空白。本研究提供了巴西专属经济区十足动物多样性的第一个宏观生态框架，也是南大西洋十足动物系统发育多样性（PD）和系统发育地方性（PE）指标的首次应用之一。我们发现温度、盐度、生产力和当前动态对生物多样性指标有不同的影响。东南部和近海地区拥有独特的进化谱系，但在目前的海洋保护区网络中仍未得到充分代表。通过整合系统发育和环境数据，我们的研究结果为改善空间生物多样性评估提供了基线，并支持在不断变化的海洋条件下更具代表性的保护规划。

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引用次数: 0

Historical Drainage Evolution and Water Level Fluctuations in the African Great Lakes Shaped Phylogeny and Biogeography of Freshwater Gastropods 非洲大湖区历史排水演化与水位波动塑造了淡水腹足类动物的系统发育与生物地理学

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-17 DOI: 10.1111/jbi.70074

Marie Claire Dusabe, Catharina Clewing, Grace Kagoro-Rugunda, Marcellin Rwibutso, Oscar Wembo Ndeo, Julius Tumusiime, Christian Albrecht

<div> <section> <h3> Aim</h3> <p>The role of historical drainage connectivity and the influence of water level fluctuations in African lakes on the evolution and distribution of macroinvertebrates remain poorly understood. This is partly because evolutionary biology research has largely focused on mobile vertebrates, such as cichlids. Here, we studied an African freshwater snail genus and assessed its phylogenetic relationships and phylogeographic patterns, and determined its colonisation history in African waters.</p> </section> <section> <h3> Location</h3> <p>African Great Lakes (AGL).</p> </section> <section> <h3> Taxon</h3> <p><i>Gabbiella</i> (Gastropoda: Bithyniidae).</p> </section> <section> <h3> Methods</h3> <p>We applied a multi-locus molecular phylogenetic approach combining two mitochondrial DNA markers (COI and 16S) and two nuclear DNA markers (H3 and 28S) based on samples covering six AGL, their major connected rivers, and two crater lakes in western Uganda. Using maximum likelihood (ML) and Bayesian inference (BI) approaches, we inferred a dated phylogeny of <i>Gabbiella</i> and estimated the ancestral areas of the <i>Gabbiella humerosa</i> subspecies using BioGeoBEARS. We used statistical parsimony haplotype networks and genetic <i>p</i>-distances to investigate phylogeography and quantify genetic divergence within and between <i>Gabbiella</i> clades.</p> </section> <section> <h3> Results</h3> <p>The ML and BI analyses yielded nearly identical topologies. Our BEAST analysis suggests that <i>Gabbiella</i> probably originally diversified in the Miocene and later in the Pliocene and Pleistocene, too. We found high genetic distance among <i>Gabbiella</i> species and typical intraspecific genetic distance among <i>G</i>. <i>humerosa</i> subspecies. Phylogenetic inferences suggest that the most recent common ancestor (MRCA) of all <i>G</i>. <i>humerosa</i> subspecies originated in the Kivu–Tanganyika region during the Late Pleistocene. The MRCA of the Nilotic <i>G</i>. <i>humerosa</i> subspecies was most likely distributed in the Lake Kivu and Lake Albert regions.</p> </section> <section> <h3> Main Conclusions</h3> <p>The timing of diversification of <i>Gabbiella</i> coincides with significant geological events, such as rifting, historical drainage changes and lake-level fluctuations. These events suggest that the tectonic and climatic his

目的非洲湖泊历史排水连通性和水位波动对大型无脊椎动物进化和分布的影响尚不清楚。这在一定程度上是因为进化生物学的研究主要集中在活动脊椎动物上，比如慈鲷。在此，我们研究了一个非洲淡水蜗牛属，评估了它的系统发育关系和系统地理模式，并确定了它在非洲水域的殖民历史。地理位置：非洲五大湖。海螺分类群（腹足目：海螺科）。方法采用多位点分子系统发育方法，结合两种线粒体DNA标记（COI和16S）和两种核DNA标记（H3和28S），基于乌干达西部6个AGL、主要相连河流和两个火山口湖的样本。利用最大似然（ML）和贝叶斯推断（BI）方法，我们推断了Gabbiella的系统发育日期，并使用biogeobars估计了Gabbiella humerosa亚种的祖先区域。我们使用统计简约单倍型网络和遗传p-距离来研究物种地理学和量化Gabbiella分支内部和之间的遗传差异。结果ML和BI分析得到了几乎相同的拓扑结构。我们的BEAST分析表明，Gabbiella可能在中新世开始多样化，后来也在上新世和更新世出现。结果表明，Gabbiella种间遗传距离高，humerosa亚种间遗传距离典型。系统发育的推断表明，所有毛蚶亚种最近的共同祖先（MRCA）起源于晚更新世的基伍-坦噶尼喀地区。尼罗河humerosa亚种的MRCA最可能分布在基伍湖和阿尔伯特湖地区。Gabbiella多样化的时间与裂谷作用、历史排水变化和湖泊水位波动等重大地质事件相吻合。这些事件表明，该地区的构造和气候历史在多样性中起着不可或缺的作用。在每一次变异之后，似乎是扩散而不是灭绝决定了其分布模式，这强调了黄毛藻的高生态耐受性。Gabbiella的空间多样性模式与其他非洲软体动物和一些鱼类类群具有相似性，表明多样性受到共同的潜在因素的影响。

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引用次数: 0

Cover 封面

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-16 DOI: 10.1111/jbi.14952

On the cover: The Tyrrhenian tree frog (Hyla sarda) is an amphibian species endemic to the Mediterranean islands – Sardinia, Corsica, and the Tuscan Archipelago. Photo by Daniele Canestrelli.

封面：第勒尼安树蛙（Hyla sarda）是一种地中海岛屿——撒丁岛、科西嘉岛和托斯卡纳群岛特有的两栖动物。Daniele Canestrelli摄。

引用次数: 0

Congener Conflict: Invasive Barred Owl Landscape Use Across the Range of the Northern Spotted Owl 同族冲突：入侵斑鸮景观利用跨越范围的北方斑点猫头鹰

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-15 DOI: 10.1111/jbi.70070

Julianna M. A. Jenkins, Natalie M. Rugg, Raymond J. Davis, Scott A. Gremel, Aaron Henderson, Edward Henson, Mark Higley, Holly D. Horan, Christopher McCafferty, Thomas Munger, David Press, Suzanne Reffler, Zachary J. Ruff, James K. Swingle, Erica Tevini, Alaina D. Thomas, Kirsten Wert, Damon B. Lesmeister

<div> <section> <h3> Aim</h3> <p>To map the probability of landscape use of invading barred owls (<i>Strix varia</i>) across the range of the threatened northern spotted owl (<i>S. Occidentallis Caurina</i>) in the Pacific Northwest, USA, identifying environmental drivers of barred owl landscape use to inform targeted management interventions.</p> </section> <section> <h3> Location</h3> <p>Forests of the Pacific Northwest, USA.</p> </section> <section> <h3> Taxon</h3> <p>Barred Owl (<i>Strix varia</i>).</p> </section> <section> <h3> Methods</h3> <p>We deployed 4081 autonomous recording units (ARUs) within 1027 randomly selected long-term monitoring sites consisting of 5-km<sup>2</sup> hexagons in 2023. We processed audio recordings using convolutional neural networks to detect vocalisations. We applied single-season occupancy models at both ARU station and hexagon scales to estimate barred owl landscape use and assess associations with environmental variables. Using top models, we mapped barred owl landscape use across the full US range of the northern spotted owl, an umbrella species for conservation of the pacific northwest old-growth forest community.</p> </section> <section> <h3> Results</h3> <p>Barred owls were widely detected, with naïve occupancy at 86.8% at the 5-km<sup>2</sup> hexagon scale. We observed regional variation, with the highest landscape use in the Oregon Coast region and lower landscape use in California regions and the Washington Eastern Cascades. Landscape use was positively associated with mature forest characteristics at both broad and fine scales and negatively associated with elevation and climatic water deficit. Cumulative detection probability exceeded 90% after 2 weeks at the hexagon scale and 4 weeks at the station scale, providing guidance for future barred owl monitoring efforts.</p> </section> <section> <h3> Main Conclusions</h3> <p>Our study reveals extensive, but not ubiquitous, barred owl distribution across the range of the northern spotted owl. The findings offer a decision-support framework for prioritising targeted management actions, particularly in regions with lower rates of barred owl landscape use. The integration of passive acoustic monitoring and AI-based detection demonstrates a scalable approach for invasive species monitoring and conservation planning to meet management objectives in dynamic fores

目的绘制美国太平洋西北地区受威胁的北方斑点猫头鹰（S. Occidentallis Caurina）范围内入侵横斑猫头鹰（Strix varia）景观利用的概率，确定横斑猫头鹰景观利用的环境驱动因素，为有针对性的管理干预提供信息。美国太平洋西北部的森林。分类群条纹猫头鹰（条纹猫头鹰）。方法于2023年在1027个随机选择的5平方公里六边形长期监测点内部署4081个自主记录单元（ARUs）。我们使用卷积神经网络处理音频记录来检测发声。我们在ARU站和六边形尺度上应用单季节占用模型来估计横斑猫头鹰景观的使用情况，并评估其与环境变量的关系。使用顶级模型，我们绘制了美国北部斑点猫头鹰的景观使用图，北方斑点猫头鹰是保护太平洋西北部原始森林群落的保护伞物种。结果横斑猫头鹰分布广泛，在5 km2的六边形尺度上，naïve占86.8%；我们观察到区域差异，俄勒冈海岸地区的景观利用率最高，加利福尼亚地区和华盛顿东部瀑布地区的景观利用率较低。景观利用与成熟森林特征在宽尺度和细尺度上均呈正相关，与海拔和气候水分亏缺呈负相关。六边形尺度2周和站级尺度4周累积检出率均超过90%，为今后斑鸮监测工作提供指导。我们的研究揭示了在北方斑点猫头鹰的范围内，横斑猫头鹰的分布是广泛的，但不是普遍的。研究结果为优先考虑有针对性的管理行动提供了决策支持框架，特别是在横斑猫头鹰景观使用率较低的地区。被动声监测和人工智能检测的结合为入侵物种监测和保护规划提供了一种可扩展的方法，以满足动态森林景观的管理目标。

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引用次数: 0

Patterns and Drivers of Tree Species Accumulation in Three Biodiversity Hotspots of Northwestern South America 南美西北部三个生物多样性热点地区树种积累模式及驱动因素

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-13 DOI: 10.1111/jbi.70069

Camilo Palacios-Hurtado, Sebastián González-Caro, Miguel A. Peña, Nicolás Castaño, Andrés Barona-Colmenares, Felipe Cardona, Heriberto David, Saúl E. Hoyos-Gómez, Álvaro Idárraga-Piedrahita, Martín Llano-Almario, Johanna A. Martínez-Villa, Harley Quinto Mosquera, Mauricio Sánchez, Álvaro Duque

<div> <section> <h3> Aim</h3> <p>This study aims to understand the relative importance of climatic anomalies since the Last Glacial Maximum (LGM) and regional biogeographic (evolutionary) features as drivers of local and regional tree species accumulation across three neotropical biodiversity hotspots in northwestern South America (Northwestern Amazon, Northern Andes and Chocó). We assess the relative influence of phylogenetic structure and dispersal on shaping tree assemblages and the role of climatic and biogeographical features as drivers of species accumulation.</p> </section> <section> <h3> Location</h3> <p>Northwestern Amazon, Northern Andes and Chocó, northwestern South America.</p> </section> <section> <h3> Taxon</h3> <p>Angiosperm trees.</p> </section> <section> <h3> Methods</h3> <p>We analysed data from 49 permanent 1-ha plots across the three regions. Taxonomic and Phylogenetic structure were quantified using Mean Pairwise Distance (MPD) and Mean Nearest Taxon Distance (MNTD), along with their standardised effect sizes (ses.MPD and ses.MNTD, respectively). We applied generalised linear models (GLMs) to evaluate the effect of climatic anomalies since the LGM and biogeographic region on both ses.MPD and ses.MNTD.</p> </section> <section> <h3> Results</h3> <p>There were significant differences in species richness, diversity, and ses.MNTD between Northwestern Amazon and both Northern Andes and Chocó, but not between the latter two. In contrast, we did not find significant differences in ses.MPD among regions. Regional diversity was highest in the Northwestern Amazon, followed by Chocó and the Northern Andes. Precipitation seasonality anomaly (PSa) emerged as a significant predictor of ses.MPD, whereas mean annual temperature anomaly (MATa) and biogeographic region were identified as the primary driver of ses.MNTD.</p> </section> <section> <h3> Main Conclusions</h3> <p>Our findings show the Northwestern Amazon as the region with the highest tree diversity, largely due to higher species accumulation of some dominant clades that have had long time to evolve in a geographic area large enough to promote species coexistence and persistence through time. In contrast, the high diversity in Chocó and Northern Andes was mainly shaped by historical dispersal from tropical and extra-tropical regions. Ses.MPD was significantly correlated with PSa and tem

本研究旨在了解末次盛冰期（Last Glacial Maximum， LGM）以来的气候异常和区域生物地理（进化）特征在南美洲西北部三个新热带生物多样性热点地区（亚马逊西北部、安第斯北部和Chocó）本地和区域树种积累的驱动因素中的相对重要性。我们评估了系统发育结构和散布对树木组合形成的相对影响，以及气候和生物地理特征作为物种积累驱动因素的作用。地理位置西北亚马逊，北安第斯山脉和Chocó，西北南美洲。被子植物乔木分类群。方法分析了3个地区49个1公顷永久样地的数据。采用平均成对距离（MPD）和平均最近分类单元距离（MNTD）及其标准化效应量（ses）对分类结构和系统发育结构进行了量化。MPD和ses。分别为MNTD)。我们应用广义线性模型（GLMs）评估了自LGM以来的气候异常和生物地理区域对两者的影响。MPD和ses.MNTD。结果在物种丰富度、多样性和社会地位方面存在显著差异。MNTD位于亚马逊西北部和北安第斯山脉和Chocó之间，但不在后两者之间。相比之下，我们没有发现ses有显著差异。区域间MPD。亚马逊西北部的地区多样性最高，其次是Chocó和北安第斯山脉。降水季节性异常（PSa）是ses的重要预测因子。而年平均温度异常（MATa）和生物地理区域是主要驱动因素。研究结果表明，西北亚马逊地区是树木多样性最高的地区，这主要是由于一些优势枝的物种积累较多，这些优势枝在足够大的地理区域内进化了很长时间，从而促进了物种的共存和持久。相反，Chocó和北安第斯山脉的高多样性主要是由热带和热带外地区的历史扩散形成的。Ses。MPD与PSa、温度季节性异常（TSa）显著相关；MNTD与MATa、TSa、PSa呈显著相关。与生物地理区域相关的地质和进化过程在局部和区域尺度上都起着决定物种积累的关键作用。

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引用次数: 0

Island Life and Interspecific Dynamics Influence Body Size, Distribution and Ecological Niche of Long-Eared Bats 海岛生活和种间动态对长耳蝙蝠体型、分布和生态位的影响

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-13 DOI: 10.1111/jbi.70071

Luciano Bosso, Gaetano Fichera, Mauro Mucedda, Ermanno Pidinchedda, Michael Veith, Sonia Smeraldo, Pier Paolo De Pasquale, Emiliano Mori, Leonardo Ancillotto

Aims

Island ecosystems represent a paramount opportunity to investigate interspecific interactions and ecological niche dynamics under constrained conditions. This study investigates how insularity and species coexistence influence the spatial distribution, ecological niche differentiation, and morphological adaptations of long-eared bats (Plecotus spp.) in a central area of the Mediterranean.

Location

Italy.

Taxon

Plecotus auritus, Plecotus austriacus and Plecotus sardus.

Time Period

Current.

Methods

We used an integrated approach combining species distribution models, ecological niche analyses, and morphometric comparisons to investigate P. auritus and P. austriacus across the Italian Peninsula and the endemic P. sardus restricted to Sardinia island.

Results

A significant niche differentiation among the three species in Sardinia occurred, with P. auritus mostly occurring at high elevations and P. austriacus and P. sardus exhibiting spatial overlap. Insular populations exhibited reduced niche widths. Comparison between insular and mainland populations revealed significant size differences, with insular bats showing large body sizes, particularly P. sardus, which is the largest among the three species.

Conclusions

Conservation efforts should prioritise habitat protection and management strategies that account for the unique ecological dynamics of island bat populations. This study highlights the complexity of interspecific interactions and morphological adaptations in insular environments and provides insights into the ecological and evolutionary processes shaping bat communities on Mediterranean islands.

Aims岛屿生态系统是研究受限条件下种间相互作用和生态位动态的重要机会。本研究探讨了地中海中部地区长耳蝙蝠（Plecotus spp.）的孤立性和物种共存对其空间分布、生态位分化和形态适应的影响。位置意大利。土壁虎、奥地利壁虎和沙壁虎分类群。时间周期当前。方法采用物种分布模型、生态位分析和形态计量学比较相结合的方法，对意大利半岛的auritus和P. austria以及撒丁岛特有的P. sardus进行调查。结果撒丁岛3种植物间存在明显的生态位分化，金斑杨主要分布在高海拔地区，奥地利斑杨与萨尔杜斯斑杨在空间上存在重叠。岛屿种群的生态位宽度减小。岛屿蝙蝠和大陆蝙蝠的比较显示出显著的体型差异，岛屿蝙蝠的体型较大，尤其是P. sardus，是三个物种中体型最大的。结论保护工作应优先考虑考虑岛屿蝙蝠种群独特生态动态的生境保护和管理策略。这项研究强调了岛屿环境中种间相互作用和形态适应的复杂性，并为地中海岛屿上蝙蝠群落的生态和进化过程提供了见解。

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引用次数: 0

River Barriers and Spatial Constraints: Unveiling the Factors Shaping Species Distribution in the Amazonian Rainforest 河流屏障与空间约束：揭示亚马逊雨林物种分布的影响因素

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-13 DOI: 10.1111/jbi.70064

Cristian de Sales Dambros, Elisa Leal Abbad, Pio Antonio Colmenares Garcia, Ana Lúcia Tourinho

<div> <section> <h3> Aim</h3> <p>We aimed to quantify the relative contributions of geographic distance, environmental variation, and riverine barriers to shaping species distributions across the Amazon forest.</p> </section> <section> <h3> Location</h3> <p>Amazon forest, Brazil.</p> </section> <section> <h3> Time Period</h3> <p>Present.</p> </section> <section> <h3> Major Taxa Studied</h3> <p>Class Arachnida; Order: Opiliones (harvestmen).</p> </section> <section> <h3> Methods</h3> <p>To disentangle the influence of geography, environment, and barriers directly on individual species, we developed a Bayesian mechanistic model that estimates the effects of these variables on species niches and dispersal. We then demonstrate how the distribution of individual species along these gradients and barriers gives rise to the commonly observed decay in species similarity with distance. We applied the method to understand the distribution of 71 harvestmen species in 105 plots distributed across the Amazon River.</p> </section> <section> <h3> Results</h3> <p>We identified 71 harvestmen species from 105 plots, with a higher species richness south of the river (55 species) compared to the north (27 species). Only 15% of species were found on both sides of the river. Our analysis estimated that, on average, a species at the river margin has a 43% probability of crossing the Amazon River, and this barrier effect is equivalent to dispersing 172 km through the forest. A substantial portion of species (45%) in the southern region has naturally narrow distributions, with a near-zero probability of occurrence at the river margins, suggesting their absence from the opposite bank is not directly due to the river barrier. When all species were considered, the river had a stronger effect on species composition than geographic distance. However, after excluding the five most common species (7% of the total), the effect of geographic distance became stronger than the river's effect on species composition. Our model, which integrates these factors, had a higher explanatory power (<i>R</i><sup>2</sup> = 0.527) for the observed Sørensen similarity index than a direct multiple regression (<i>R</i><sup>2</sup> = 0.409).</p> </section> <section> <h3> Main Conclusions</h3> <p>Our

目的：量化地理距离、环境变化和河流障碍对亚马逊森林物种分布的相对贡献。位置：巴西亚马逊森林。时间：现在。蛛形纲；目：Opiliones（收割者）。方法为了理清地理、环境和屏障对单个物种的直接影响，我们建立了一个贝叶斯机制模型来估计这些变量对物种生态位和扩散的影响。然后，我们展示了沿着这些梯度和屏障的单个物种的分布如何引起通常观察到的物种相似性随距离的衰减。应用该方法对分布在亚马逊河流域105个样地的71种收割机的分布情况进行了研究。结果105个样地共鉴定出71种收获蝇，物种丰富度南侧（55种）高于北侧（27种）；只有15%的物种在河两岸都被发现。我们的分析估计，平均而言，河流边缘的物种有43%的概率穿越亚马逊河，这种屏障效应相当于在森林中分散172公里。南部地区有相当一部分物种（45%）自然分布狭窄，在河流边缘出现的概率接近于零，这表明它们在对岸的消失不是直接由于河流屏障。当考虑所有物种时，河流对物种组成的影响大于地理距离。然而，在排除最常见的5种物种（占总数的7%）后，地理距离对物种组成的影响大于河流对物种组成的影响。综合这些因素的模型对Sørensen相似指数的解释能力（R2 = 0.527）高于直接多元回归（R2 = 0.409）。本文的研究结果表明，以往的许多研究结果由于过分强调分布广泛、地理范围有限的少数物种而存在偏差。遥远的距离和异质的亚马逊环境对单个物种和整个群落的分布产生了深刻而未被充分认识的影响。

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引用次数: 0

Advances in Biogeographic Analysis of Genetic Data Using Database-Driven Metrics: A Case Study on the Amazon Basin 基于数据库驱动指标的遗传数据生物地理分析研究进展：以亚马逊流域为例

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-11 DOI: 10.1111/jbi.70068

Kiefer A. Bedoya, Jorge L. Ramirez

<div> <section> <h3> Aim</h3> <p>The aim of this study is to develop and apply novel metrics for analysing genetic diversity and biogeographic patterns across river basins using data mining techniques on large genetic datasets. The study focuses on Amazon Basin freshwater fishes.</p> </section> <section> <h3> Location</h3> <p>Amazon Basin, South America.</p> </section> <section> <h3> Taxon</h3> <p>Actinopterygii class.</p> </section> <section> <h3> Methods</h3> <p>Through data mining, we collected Actinopterygii sequences from the BOLD Systems BIN database and assigned them to specific sub-basins using GIS tools and extensive bibliographic searches. Genetic distances within BINs were calculated using Kimura's two-parameter model (K2P). Three novel metrics were developed: (1) the sub-basin homogeneity index (H) to quantify genetic divergence within sub-basins, (2) the sub-basin similarity index (S) to assess genetic similarity across sub-basins and (3) the regional homogeneity index (H<sup>R</sup>) to identify potential biogeographic boundaries.</p> </section> <section> <h3> Results</h3> <p>We collected 645 BINs with 3373 sequences, overcoming data gaps through extensive bibliographic research. The H index showed similar sub-basin genetic homogeneity among sub-basins but highlighted genetic structuring within them, notably in eastern sub-basins (Tapajos, Xingu and Tocantins). The S index identified two biogeographic clusters: an eastern cluster (Xingu and Tocantins) genetically distinct from other sub-basins. The H<sup>R</sup> index supported a potential east–west boundary within the Amazon Basin but indicated challenges in defining it precisely.</p> </section> <section> <h3> Main Conclusions</h3> <p>Historical geological events, hydrological connectivity and ecological factors have profoundly influenced the genetic diversity and biogeography of Amazonian freshwater fishes. The novel metrics developed effectively leveraged large genetic databases, offering insights into genetic structuring and relationships within the Amazon Basin that are consistent with previous literature, thus indicating their potential applicability to other regions and taxa. Our approach demonstrates the potential of integrating large genetic datasets with new analytical methods to advance biogeographic studies; nevertheless, it also emphasizes the importance of strengthening research efforts, particularly through the expansion and enrichment of publicly available genetic databases.</p> <

本研究的目的是利用大型遗传数据集的数据挖掘技术，开发和应用新的指标来分析河流流域的遗传多样性和生物地理格局。这项研究的重点是亚马逊流域的淡水鱼。地理位置：南美洲亚马逊盆地。放线翼类分类群。方法通过数据挖掘，从BOLD Systems BIN数据库中收集放光蝶属（Actinopterygii）序列，并利用GIS工具和广泛的文献检索将其划分到特定的子流域。采用Kimura双参数模型（K2P）计算遗传距离。提出了3个新指标：(1)子盆地均匀性指数(H)，用于量化子盆地内的遗传差异；(2)子盆地相似性指数(S)，用于评估子盆地间的遗传相似性；(3)区域均匀性指数（HR），用于识别潜在的生物地理边界。结果通过广泛的文献研究，我们收集到645个bin，包含3373个序列。H指数显示子盆地间的成因均质性相似，但突出了子盆地内部的成因构造，特别是在东部子盆地（Tapajos、Xingu和Tocantins）。S指数确定了两个生物地理集群：东部集群（新古和托坎廷斯）与其他子盆地在遗传上不同。人力资源指数支持亚马逊盆地内潜在的东西边界，但表明在精确定义它方面存在挑战。历史地质事件、水文连通性和生态因素深刻影响了亚马逊淡水鱼类的遗传多样性和生物地理特征。开发的新指标有效地利用了大型遗传数据库，提供了与先前文献一致的亚马逊流域遗传结构和关系的见解，从而表明它们可能适用于其他地区和分类群。我们的方法展示了将大型遗传数据集与新的分析方法相结合以推进生物地理学研究的潜力；然而，它也强调加强研究工作的重要性，特别是通过扩大和丰富可公开获得的遗传数据库。

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引用次数: 0

Correction to “Potential Sources of Time Lags in Calibrating Species Distribution Models” 校正“校正物种分布模型时可能的时间滞后来源”

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-10 DOI: 10.1111/jbi.70073

Essl F, García-Rodríguez A, Lenzner B, et al. Potential sources of time lags in calibrating species distribution models. J. Biogeo. 2023: 51: 89–102

We apologize for this error.

王晓明，王晓明，王晓明，等。校正物种分布模型时时间滞后的潜在来源。[j] .生物工程学报，2009,51:89 - 102。

引用次数: 0

Correction to ‘The Impact of Varying Spatiotemporal Scales on Different Joint Species Distribution Models: A Case Study of Pelagic Fish Species in the Northwest Pacific Ocean’ 对“不同时空尺度对不同联合物种分布模式的影响——以西北太平洋中上层鱼类为例”的修正

IF 3.6 2区环境科学与生态学 Q2 ECOLOGY

Journal of Biogeography

Pub Date : 2025-10-10 DOI: 10.1111/jbi.70072

Fang, X., Zhang, P., Xing, Q., Chen, X., Cao, J., Zhang, H., & Yu, W. (2025). The Impact of Varying Spatiotemporal Scales on Different Joint Species Distribution Models: A Case Study of Pelagic Fish Species in the Northwest Pacific Ocean. Journal of Biogeography, 52(8), e15154.

In the aforementioned article, the grant number for the first funding source in the Funding section and the Acknowledgements section was incorrectly published. The incorrect funding number ‘National Key R&D Program of China (2023YFD0401303)’ appeared in both sections. This should correctly be ‘National Key R&D Program of China (2023YFD2401303)’ in both instances.

We apologise for this error.

方,X。,张,P, Q,陈,X。,曹,J。,H。,,,w(2025)。不同时空尺度对不同联合物种分布模式的影响——以西北太平洋中上层鱼类为例生物地理学报，52(8),e15154。在上述文章中，在资助部分和致谢部分中错误地发布了第一个资助来源的资助号。两个部分都出现了错误的资助号“国家重点研发计划（2023YFD0401303）”。在这两种情况下，这应该是“中国国家重点研发计划（2023YFD2401303）”。我们为这个错误道歉。

引用次数: 0