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Global patterns of taxonomic and phylogenetic diversity of flowering plants: biodiversity hotspots and coldspots

Plant Diversity 2023年第3期45卷 265-271页

作者： Hong Qian Jian Zhang Meichen Jiang Research and Collections Center Illinois State Museum1011 East Ash StreetSpringfieldIL 62703USA Center for Global Change and Complex Ecosystems Zhejiang Tiantong Forest Ecosystem National Observation and Research StationSchool of Ecological and Environmental SciencesEast China Normal UniversityShanghai 200241China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092China

Species diversity of angiosperms(flowering plants) varies greatly among *** patterns of variation in species diversity are shaped by the interplay of ecological and evolutionary ***,using a comprehensive data set for regional angiosperm floras across the world,we show geographic patterns of taxonomic(species) diversity,phylogenetic diversity,phylogenetic dispersion,and phylogenetic deviation(i.e.,phylogenetic diversity after accounting for taxonomic diversity) across the *** diversity is strongly and positively correlated with taxonomic diversity;as a result,geographic patterns of taxonomic and phylogenetic diversity across the world are highly *** with high taxonomic and phylogenetic diversity are located in tropical regions whereas areas with low taxonomic and phylogenetic diversity are located in temperate regions,particularly in Eurasia and North America,and in northern ***,phylogenetic dispersion is,in general,higher in tropical regions and lower in temperate ***,the geographic pattern of phylogenetic deviation differs substantially from those of taxonomic and phylogenetic diversity and phylogenetic *** a result,hotspots and coldspots of angiosperm diversity identified based on taxonomic and phylogenetic diversity and phylogenetic dispersion are incongruent with those identified based on phylogenetic *** of these metrics may be considered when selecting areas to be protected for their biodiversity.

关键词： Angiosperm biodiversity hotspot Phylogenetic diversity Phylogenetic structure Species richness

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How little is known about “the little brown frogs”:description of three new species of the genus Leptobrachella(Anura:Megophryidae)from Yunnan Province, China

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Zoological Research 2020年第3期41卷 292-313页

作者： Jin-Min Chen Kai Xu Nikolay A.Poyarkov Kai Wang Zhi-Yong Yuan Mian Hou Chatmongkon Suwannapoom Jian Wang Jing Che State Key Laboratory of Genetic Resources and Evolution Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China Southeast Asia biodiversity Research Institute Chinese Academy of SciencesYezinNay Pyi Taw 05282Myanmar Kunming College of Life Science University of the Chinese Academy of SciencesKunmingYunnan 650204China Department of Vertebrate Zoology Biological FacultyLomonosov Moscow State UniversityMoscow 119991Russia Joint Russian-Vietnamese Tropical Research and Technological Center Nghia DoCau GiayHanoiVietnam Sam Noble Oklahoma Museum of Natural History&Department of Biology University of oklahomaNormanOklahoma 73072USA Key Laboratory for Conserving Wildlife with Small Populations in Yunnan Southwest Forestry UniversityKunmingYunnan 650224China College of Continuing(Online)Education Sichuan Normal UniversityChengduSichuan 610068China School of Agriculture and Natural Resources University of PhayaoPhayao 56000Thailand College of Life Science and Technology Honghe UniversityMengziYunnan 661199China

Asian leaf-litter toads of the genus Leptobrachella represent a great anuran diversification in *** studies have suggested that the diversity of this genus is still underestimated. During herpetological surveys from 2013 to 2018, a series of Leptobrachella specimens were collected from the international border areas in the southern and western parts of Yunnan Province, *** analyses based on morphological and molecular data revealed three distinct and previously unknown lineages, which we formally describe as three new species herein. Among them, we describe a new species that occurs at the highest known elevation for Leptobrachella in China. Four species of Leptobrachella, including two new species, are found in the same reserve. Furthermore, our results suggest that the population from Longchuan County,Yunnan, may represent an additional new species of Leptobrachella, although we tentatively assigned it to Leptobrachella cf. yingjiangensis due to the small sample size examined. Lastly, we provide the first description of females of L. yingjiangensis. Our results further highlight that both micro-endemism and sympatric distributions of species are common patterns in Leptobrachella, that contribute to taxonomic and conservation challenges in these frogs. We provide an identification key for Leptobrachella known to occur in Yunnan. Given the lack of knowledge on species diversity of Leptobrachella along international border areas, we recommend that future studies include transboundary collaborative surveys.

关键词： biodiversity hotspot Conservation Cryptic diversity Micro-endemism National border Speciation Taxonomy

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An integrative bioinformatics pipeline shows that honeybee-associated microbiomes are driven primarily by pollen composition

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Insect Science 2023年第2期30卷 555-568页

作者： Douglas Chesters Xiuwei Liu Karen L.Bell Michael C.Orr Tingting Xie Qingsong Zhou Chaodong Zhu Key Laboratory ofZoological Systematics andEvolution Institute ofZoologyChinese Academy of SciencesBejingChina International College University of Chinese Academy of SciencesBejingChina Institute of Agro-Products Processing Yunnan Province Academy of Agricultural ScienceKunmingChina School of Biological Sciences University of Western AustraliaCrawleyWAAustralia cSIRO Health&Biosecurity FloreatWAAustralia College of Life Sciences Anhui Normal UniversityWuhuAnhui ProvinceChina State Key Laboratory of Integrated Pest Management Institute of ZoologyChinese Academy of SciencesBeijingChina College of Biological Sciences University of Chinese Academy of SciencesBeijingChina

The microbiomes associated with bee nests influence colony health through various mechanisms,although it is not yet clear how honeybee congeners differ in microbiome assembly processes,in particular the degrees to which floral visitations and the environment contribute to different aspects of *** used DNA metabarcoding to sequence bacterial 16S rRNA from honey and stored pollen from nests of 4 honeybee species(Apis cerana,***,***,and ***)sampled throughout Yunnan,China,a global biodiversity *** developed a computational pipeline integrating multiple databases for quantifying key facets of diversity,including compositional,taxonomic,phylogenetic,and functional ***,we assessed candidate drivers of observed microbiome dissimilarity,particularly differences in floral visitations,habitat disturbance,and other key environmental *** revealed that microbiome alpha diversity was broadly equivalent across the study sites and between bee species,apart from functional diversity which was very low in nests of the reclusive *** in microbiome composition across Yunnan was driven predominantly by pollen *** disturbance negatively impacted both compositional and phylogenetic alpha diversity of nest microbiomes,but did not correlate with microbial *** herein make progress in understanding microbiome diversity associated with key pollinators in a biodiversity hotspot,and provide a model for the use of a comprehensive informatics framework in assessing pattern and drivers of diversity,which enables the inclusion of explanatory variables both subtly and fundamentally different and enables elucidation of emergent or unexpected drivers.

关键词： Apis biodiversity hotspot honeybee informatics metabarcoding microbiome

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Elevational and temporal patterns of pollination success in distylous and homostylous buckwheats(Fagopyrum)in the Hengduan Mountains

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Plant Diversity 2024年第5期46卷 661-670页

作者： Ling-Yun Wu Shuang-Quan Huang Ze-Yu Tong Faculty of Resources and Environmental Science Hubei UniversityWuhan 430062China Institute of Evolution and Ecology School of Life SciencesCentral China Normal UniversityWuhan 430079China

Reproductive strategies of sexually dimorphic plants vary in response to the ***,we ask whether the sexual systems of Fagopyrum species(i.e.,selfing homostylous and out-crossing distylous)represent distinct adaptive strategies to increase reproductive success in changing alpine *** answer this question,we determined how spatial and temporal factors(e.g.,elevation and peak flowering time)affect reproductive success(i.e.,stigmatic pollen load)in nine wild Fagopyrum species(seven distylous and two homostylous)among 28 populations along an elevation gradient of 1299-3315 m in the Hengduan Mountains,southwestern *** also observed pollinators and conducted hundreds of hand pollinations to investigate inter/intra-morph compatibility,self-compatibility and pollen limitation in four Fagopyrum species(two distylous and two homostylous).We found that Fagopyrum species at higher elevation generally had bigger flowers and more stigmatic pollen loads;lateflowering individuals had smaller flowers and lower pollen *** pollen deposition was more variable in distylous species than in homostylous *** seed set was not pollenlimited in all species,we found that fruit set was much lower in distylous species,which rely on frequent pollinator visits,than in homostylous species capable of autonomous *** findings that pollination success increases at high elevations and decreases during the flowering season suggest that distylous and homostylous species have spatially and temporally distinct reproductive strategies related to environment-dependent pollinator activity.

关键词： biodiversity hotspot Elevation gradient Fagopyrum Stigmatic pollen load Temporal pattern

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Alpine Ecosystems of Northwest Yunnan,China:an Initial Assessment for Conservation

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Journal of Mountain Science 2007年第3期4卷 181-192页

作者： Ruth Sherman Renee Mullen LI Haomin FANG Zhendong WANG Yi Department o/Natural Resources Cornell University Ithaca NY14853 USACorresponding author The Nature Conservancy Boise ID 83702 USA The Nature Conservancy China Program Kunming Yunnan PRC Shangri-la Alpine Botanical Institute Zhongdian Yunnan PRC State Key Laboratory of Systematic and Evolutionary Botany Institute of BotanyThe Chinese Academy of Sciences Beijing PRC

Implementing conservation actions on-the-ground is not a straightforward process,especially when faced with high scientific uncertainty due to limited available information. This is especially acute in regions of the world that harbor many unique species that have not been well studied,such as the alpine zone of the Hengduan Mountains of Northwest Yunnan (NWY),a global biodiversity hotspot and site of The Nature Conservancy’s Yunnan Great Rivers Project. We conducted a quantitative,but rapid regional-level assessment of the alpine flora across NWY to provide a broad-based understanding of local and regional patterns of the alpine flora,the first large-scale analysis of alpine biodiversity patterns in this region. Multivariate analyses were used to classify the major plant community types and link community patterns to habitat variables. Our analysis indicated that most species had small distributions and/or small population sizes. Strong patterns emerged with higher diversity in the more northern mountains,but beta diversity was high,averaging only 10% among sites. The ordinations indicated that elevation and geographic location were the dominant environ-mental gradients underlying the differences in the species composition among communities. The high beta diversity across the alpine of these mountains implies that conservation strategies ultimately will require the protection of large numbers of species over a large geographical area. However,prioritiza-tion should be given to areas where potential payoffs are greatest. Sites with high species richness also have a greater number of endemic species,and,by focusing efforts on these sites,conservation investments would be maximized by protecting the greatest number of unique species.

关键词： biodiversity hotspot cluster analysis plant community ecology conservation action grazing Hengduan Mountains non-metric multidimensional scaling plant species richness World Heritage Site Yunnan Great Rivers Project(YGRP) alpine ecosystems China

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New patterns of the tree beta diversity and its determinants in the largest savanna and wetland biomes of South America

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Plant Diversity 2023年第4期45卷 369-384页

作者： Karla J.P.Silva-Souza Maíra G.Pivato Vinícius C.Silva Ricardo F.Haidar Alexandre F.Souza Departamento de Ecologia Universidade Federal do Rio Grande do NorteRNBrazil Curso de Engenharia Ambiental Universidade Federal do TocantinsTOBrazil

Clear and data-driven bioregionalizations can provide a framework to test hypotheses and base biodiversity *** we used occurrence and abundance data in combination with objective analytical methods to propose two bioregionalization schemes for tree species of the Cerrado and the Pantanal in South *** also evaluated the contribution of three sets of determinants of the occurrence-and abundance-based *** compiled data on tree species composition from 894 local assemblages based on species occurrences,and from 658 local assemblages based on species *** used an unconstrained community-level modelling approach and clustering techniques to identify and map tree subregions for the occurrence and the abundance data sets,*** clustering analyses were conducted to investigate floristic affinities between the subregions and to map broader floristic *** used multinomial logistic regression models,deviance partitioning,and rank-sum tests to assess the main subregion *** identified 18 occurrence-and four abundance-based subregions in the *** hierarchical classifications grouped the occurrence-based subregions into nine floristic zones and abundance-based subregions into two broad floristic *** in subregions were explained mainly by environmental factors and spatial structure in both occurrence and abundance data *** occurrence-and abundance-based subregions are complementary approaches to disentangle macroecological patterns and to plan conservation efforts in the Cerrado and the *** findings based on occurrence data revealed more complex and interdigitated boundaries between subregions of tree species than previously *** environment,historical stability,and human effects act in a synergetic way on the distribution of the ***,the relevance of contemporary environmental factors to the subregion patterns we found alert us to the profound im

关键词： Cerrado Pantanal Savanna Biogeographical regionalization biodiversity hotspot South America

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Spatial patterns of plant diversity and communities in Alpine ecosystems of the Hengduan Mountains, northwest Yunnan, China

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Journal of Plant Ecology 2008年第2期1卷 117-136页

作者： Ruth Sherman Renee Mullen Li Haomin Fang Zhendong Wang Yi Department of Natural Resources Cornell UniversityIthacaNY 14853USA The Nature Conservancy BoiseID 83702USA The Nature Conservancy China ProgramKunmingYunnan 650034People’s Republic of China Shangri-la Alpine Botanical Garden ZhongdianYunnan674400People’s Republic of China Biology Department Yunnan UniversityKunmingYunnan650091People’s Republic of China

Aims Conduct a quantitative,but rapid,regional-level assessment of the alpine flora across northwest Yunnan(NWY)to provide a broadbased understanding of local and regional patterns of the composition,diversity and health of alpine ecosystems across *** A stratified random sampling design was employed to select sites across the different mountain ranges of *** was sampled by stratifying each site by the three major alpine vegetation community types:meadow,dwarf shrub and *** 50-m transects were randomly located within each community type at each sampling site with 101-m^(2) subplots systematically placed along each *** variables were recorded at each *** analyses were used to classify the major plant community assemblages and link community patterns to environmental and habitat *** Findings Forb species richness varied from 19 to 105 species per site(21 sites total)with an average of 59 species per site(60 m^(2) sampled per site).Most species were patchily distributed with narrow distributions and/or small population sizes;over half the species occurred at only one or two *** species assemblages were identified in the meadow vegetation that was strongly aggregated by geographic location suggesting the presence of distinct phytogeographic zones of the meadow alpine *** and geographic location were the dominant environmental gradients underlying the variations in species ***’s coefficient of similarity averaged only 10%among sites indicating there was little similarity in the alpine flora across the *** alpine vegetation is highly heterogeneous across the complex landscape of the Hengduan Mountains of *** strategies need to take into account the large geographic differences in the flora to maximize protection of biodiversity.

关键词： biodiversity hotspot community ecology multivariate analysis Yunnan Great Rivers Project(YGRP) World Heritage Site

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Detection of functional diversity gradients and their geoclimatic filters is sensitive to data types(occurrence ***)and spatial scales(sites ***)

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Plant Diversity 2024年第6期46卷 732-743页

作者： JoséLuiz Alves Silva Alexandre Souza Angela Pierre Vitória Laboratório de Ciências Ambientais Universidade Estadual do Norte Fluminense Darcy RibeiroCampos dos GoytacazesRio de JaneiroBrazil Departamento de Ecologia Universidade Federal do Rio Grande do NorteRio Grande do NorteBrazil

Functional diversity(FD)reflects within-and between-site variation of species traits(α-and β-FD,respectively).Understanding how much data types(occurrence-based ***-weighted)and spatial scales(sites ***)change FD and ultimately interfere with the detection of underlying geoclimatic filters is still *** contribute to this debate,we explored the occurrence of 1690 species in 690 sites,abundances of 1198 species in 343 sites,and seven functional traits of the Atlantic Forest woody flora in South *** FD indices were sensitive and dependent on the data type at both scales,with occurrence particularly increasing a richness and dispersion(occurrence>abundance in 80%of the sites)while abundance increased β total,β replacement,and α evenness(abundance>occurrence in 60%of the sites).Furthermore,detecting the effect of geoclimatic filters depended on the data type and was *** the site scale,precipitation seasonality and soil depth had weak effects on α-and β-FD(max.R^(2)=0.11).However,regional-scale patterns of a richness,dispersion,and evenness strongly mirrored the variation in precipitation seasonality,soil depth,forest stability over the last 120 kyr,and cation exchange capacity(correlations>0.80),suggesting that geoclimatic filters manifest stronger effects at the regional ***,the role of edaphic gradients expands the idea of biogeographical filters beyond *** findings caution functional biogeographic studies to consider the effect of data type and spatial scale before designing and reaching ecological conclusions about the complex nature of FD.

关键词： Environmental filtering Historical events Human pressure n-dimensional hypervolume biodiversity hotspot Tropical forest

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Mapping and Floristic Diversity of the Nakpadjouak Community Forest, Tami Canton, Togo (West Africa)

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Natural Resources 2024年第4期15卷 83-105页

作者： Senyo Kossi Ehlui Christian Anthony-Krueger Edinam Kola Wouyo Atakpama Alagie Bah Henrik von Wehrden Tchaa Boukpessi West Africa Science Service Center on Climate Change and Adapted Land Use WASCAL University of the Gambia Banjul Gambia Laboratoire de Recherche sur la Dynamique des Milieux et des Socié t&#233s Department of Geography University of Lom&#233 Lome Togo Department of Science Education University of Cape Coast Cape Coast Ghana Laboratoire de Botanique et É cologie V&#233g&#233tale D&#233partement botanique Facult&#233 des sciences Universit&#233 de Lom&#233 Lome Togo West Africa Plant Red List Authority (WAPRLA) IUCN Species Survival Commission Gland Switzerland Center for International Forestry Research and World Agroforestry (CIFOR-ICRAF) Nairobi Kenya Faculty of Sustainability Center of Methods Leuphana University of L&#252neburg L&#252neburg Germany Laboratoire de Recherches Biogé ographiques et d&#8217Etudes Environnementales Department of Geography University of Lome Lome Togo

Since 2015, community forests have been promoted in Togo as an alternative to protect areas from degradation and as a means of contributing to forest landscape restoration. The study focuses on the Nakpadjouak Community Forest (NCF) in Tami (Togo, West Africa) which contributes to community forests sustainable management. It aims in (i) mapping forest ecosystems and analysing their dynamic and (ii) characterizing the floristic diversity of the NCF. The ecosystems were mapped and their dynamic was evaluated based on Google Earth images of 2014 and 2020. Floristic and forestry inventories were carried out using the transect technique in a sample of 20 plots of 50 m × 20 m. The NCF was made up mainly by wooded/shrub savannahs (95.37%) and croplands/fallow (4.63%) in 2014. These two land use types undergone changes over the 6 years prior to 2020. By 2020, the NCF had 3 land use types: wooded/shrub savannahs (77.59%), open forest/wooded savannahs (22.23%), and croplands/fallows (0.18%). A total of 89 plant species belonging to 70 genera and 28 families were recorded within the NCF. The dominant species are: Heteropogon contortus (L.) ***. and Combretum collinum Fresen. followed by Pteleopsissuberosa Engl. & Diels, Annona senegalensis Pers. The most common species are: Lannea acida ***. s.l., A. senegalensis, Vitellaria paradoxa *** subsp. paradoxa, C. collinum and Acacia dudgeonii Craib ex Holland. Due to its small area of just 40 hectares and its diverse plant life, this community forest of Savannahs Region is a significant biodiversity hotspot and warrants conservation efforts.

关键词： Community Forest Floristic Diversity Land Use Change biodiversity hotspot Tami Savannah Region Togo

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Mammals of Gaoligong Mountain in China:Diversity,distribution,and conservation

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Zoological Research(Diversity and Conservation) 2024年第1期1卷 3-19页

作者： Quan Li Xue-You Li Wen-Qiang Hu Wen-Yu Song Shui-Wang He Hong-Jiao Wang Zhe-Chang Hu Meng-Cheng Li Kenneth Otieno Onditi Zhong-Zheng Chen Chang-Zhe Pu Yun Xiong Cai-Hong Rao Fu-You Zhang Chang-Sheng Zuo Xue-Long Jiang State Key Laboratory of Genetic Resources and Evolution&Yunnan Key Laboratory of biodiversity and Ecological Conservation of Gaoligong Mountain Kunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China Gaoligong Mountain Forest Ecosystem Observation and Research Station of Yunnan Province&Dulongjiang Forest Ecosystem Research Station KunmingYunnan 650223China University of Chinese Academy of Sciences Beijing 101408China Vector Laboratory Institute of Pathogens and VectorsYunnan Provincial Key Laboratory for Zoonosis Control and PreventionDali UniversityDaliYunnan 671000China School of Ecology and Environment Anhui Normal UniversityWuhuAnhui 241002China Gongshan Administrative Sub-Bureau of Gaoligongshan National Nature Reserve NujiangYunnan 673500China Fugong Administrative Sub-Bureau of Gaoligongshan National Nature Reserve NujiangYunnan 673400China Baoshan Administrative Bureau of Gaoligongshan National Nature Reserve BaoshanYunnan 678000China Administrative Bureau of Tongbiguan Provincial Nature Reserve DehongYunnan 679300China

Gaoligong Mountain(hereafter,GLGM)is located at the intersection of Myanmar and China’s Yunnan Province and Xizang Zizhiqu,and spans three globally significant biodiversity hotspots:the Himalayas,Indo-Burma,and the Mountains of Southwest *** surveys of mammals in this ecologically important region have a long history,there is no comprehensive systematic checklist and distribution account of the mammals of ***,we compiled a mammal species checklist of GLGM based on thorough field investigations and literature *** also examined specimen collections and applied camera trapping surveys to explore the region’s mammal diversity and distribution *** recorded 212 mammal species in nine orders,33 families,and 119 genera,which accounts for 30.5%of China’s mammal species,and a high proportion of nationally protected(50)and globally threatened(29)*** species richness showed a symmetrical unimodal curve along the elevation gradient,peaking at intermediate elevations(2000 to 2500 m above sea level(asl)),and increasing generally from south to north,slightly higher in the east slope than in the *** analysis and non-metric multidimensional scaling revealed three distinct elevational assemblages(3500 m asl)and significant south-to-north variation,but no substantial differences between the east and west *** GLGM present a unique conservation value due to the high proportions of rare and endangered mammal species,complex faunal composition,high endemism,and being the distribution boundary for many *** study is an important phased account of mammal diversity in GLGM and makes a prospect for future research.

关键词： biodiversity hotspot Eastern Himalaya Gaoligong Mountain Endemism Mammal conservation Hengduan Mountains

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