Biodiversity and Conservation最新文献

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Fishing and recording dead fish by citizen scientists contribute valuable data on south American ray-finned fish diversity 公民科学家捕捞和记录死鱼,为南美鳐鱼多样性提供了宝贵数据
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-05-03 DOI: 10.1007/s10531-024-02857-2
Lucas Rodriguez Forti, José Luís Costa Novaes, Milena Wachlevski, Rodrigo Silva da Costa, Jandson Lucas Camelo da Silva, Juan Lima, Adriana Maria Alves, Lorena B. Thaíza Fernandes, Judit K. Szabo
{"title":"Fishing and recording dead fish by citizen scientists contribute valuable data on south American ray-finned fish diversity","authors":"Lucas Rodriguez Forti, José Luís Costa Novaes, Milena Wachlevski, Rodrigo Silva da Costa, Jandson Lucas Camelo da Silva, Juan Lima, Adriana Maria Alves, Lorena B. Thaíza Fernandes, Judit K. Szabo","doi":"10.1007/s10531-024-02857-2","DOIUrl":"https://doi.org/10.1007/s10531-024-02857-2","url":null,"abstract":"<p>Citizen-collected data are used to describe ecological patterns and to obtain information about the distribution and trends of fauna and flora to inform management and conservation actions worldwide. However, considering the logistical and financial aspects, data should be collected in a cost-effective way. In addition, informed by the spatio-temporal distribution of observations, under-, and oversampled areas can be identified to guide future sampling efforts. Here, we classify 37,161 observations of South American Actinopterygii submitted to iNaturalist, occurring in both coastal and inland water bodies. We consider the status of the fish (live/dead), the characteristics (taxonomy and habitat) of the species and the circumstances of the observation (e.g., during fishing or diving). We test whether adding opportunistic observations increases species diversity, i.e., if observations of dead fish and fishing-related data add information to traditionally collected occurrence data (i.e. those of live fish observed during diving). Our dataset contained 2,377 species of 206 families, representing 24% of all South American ray-finned fish species. Dead individuals and observations related to fishing on average contributed 37% and 33% of annual observed species richness, respectively and added 151 unique species not recorded live or under circumstances not related to fishing. We found that for dead fish the rate of validation by peers and experts on the platform had been 20% lower compared to that of live individuals. We argue that recording organisms observed under different circumstances and in different conditions improves our knowledge of biodiversity. Demonstrating the value of all observations can encourage volunteers to make their data collection more inclusive.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"172 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140884723","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}
引用次数: 0
Human-elephant conflict hotspots in Assam: a rapid appraisal method 阿萨姆邦人象冲突热点:快速评估方法
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-05-02 DOI: 10.1007/s10531-024-02858-1
Nazimur Rahman Talukdar, Parthankar Choudhury, Firoz Ahmad
{"title":"Human-elephant conflict hotspots in Assam: a rapid appraisal method","authors":"Nazimur Rahman Talukdar, Parthankar Choudhury, Firoz Ahmad","doi":"10.1007/s10531-024-02858-1","DOIUrl":"https://doi.org/10.1007/s10531-024-02858-1","url":null,"abstract":"<p>In India, human-elephant conflict has been on the rise for the last few decades. The situation is worse in the state of Assam, where 5719 elephants are present, and the density of elephants is greater than that of other areas. Most of the elephant habitats in the state are fragmented or intermingled with human-used lands. As a result, human-elephant conflict (HEC) has been increasing in the state. Each year, an average of 80 elephants and 70 humans die in the state because of HEC. Most of these conflicts occur during the paddy harvesting season. At that time of year, the elephants come out from their habitats and take refuge in forest patches and tea gardens near agricultural fields and raid crops at night. Different methods have been adopted to identify conflict-affected areas, but none of the studies have tried to identify all the HEC-affected areas in the state. Here, we provide a rapid appraisal approach for identifying HEC hotspots in the state by using published news information as the primary source of data. A total of 216 villages were identified as HEC-affected areas in Assam. The identified areas can be used to understand site-specific problems and for HEC mitigation practices, as these areas are currently limited to only a few areas.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"3 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140839359","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}
引用次数: 0
Avian functional diversity retained in a tropical rainforest fragment after more than 120 years of turnover 热带雨林片段经过 120 多年的更替后仍保留了鸟类功能多样性
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-05-02 DOI: 10.1007/s10531-024-02855-4
Bing Wen LOW, Shelby Qi Wei WEE, Malcolm Chu Keong SOH, Kenneth Boon Hwee ER
{"title":"Avian functional diversity retained in a tropical rainforest fragment after more than 120 years of turnover","authors":"Bing Wen LOW, Shelby Qi Wei WEE, Malcolm Chu Keong SOH, Kenneth Boon Hwee ER","doi":"10.1007/s10531-024-02855-4","DOIUrl":"https://doi.org/10.1007/s10531-024-02855-4","url":null,"abstract":"<p>Deforestation is linked to the increasing prevalence of small forest fragments worldwide and an associated loss in functional diversity. However, our long-term understanding on how biodiversity and functional roles respond in such isolated fragments is limited, especially in Southeast Asia. We compared the bird community in a small primary rainforest fragment in the Singapore Botanic Gardens, a UNESCO World Heritage Site, using historical records in 1898 and contemporary surveys conducted in 1998 and 2018–2021. Species composition was expectedly dissimilar between the 1898 and contemporary bird communities (50%), driven mostly by turnover (45.5%) rather than nestedness (4.5%). Despite the changes in community composition and species extirpations, both species richness and functional diversity were retained. Our results suggest that small forest fragments can form novel bird communities that are functionally similar to previous communities that inhabited the fragment, leading to the retention of functional diversity. Such functional redundancy may be encouraged through habitat restoration initiatives adjacent to fragmented forests.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"13 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140839362","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}
引用次数: 0
Vulnerability assessment of Taxus wallichiana in the Indian Himalayan Region to future climate change using species niche models and global climate models under future climate scenarios 利用物种生态位模型和未来气候情景下的全球气候模型,评估印度喜马拉雅地区的 Taxus wallichiana 对未来气候变化的脆弱性
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-05-02 DOI: 10.1007/s10531-024-02859-0
R. Tiwary, P. P. Singh, D. Adhikari, Mukund D. Behera, S. K. Barik
{"title":"Vulnerability assessment of Taxus wallichiana in the Indian Himalayan Region to future climate change using species niche models and global climate models under future climate scenarios","authors":"R. Tiwary, P. P. Singh, D. Adhikari, Mukund D. Behera, S. K. Barik","doi":"10.1007/s10531-024-02859-0","DOIUrl":"https://doi.org/10.1007/s10531-024-02859-0","url":null,"abstract":"<p>Climate change is a major threat to biodiversity as many species are facing the risk of extinction due to their inability to adapt to the changes in temperature, precipitation, and other environmental variables. The impact of climate change on the habitat distribution of <i>Taxus wallichiana</i>, a medicinally important endangered tree species, has not been studied specifically for the Indian Himalayan region (IHR). We assessed the vulnerability of the species to climate change using Ecological Niche Modeling (ENM) in conjunction with two latest global climate models (GCMs) viz., HadGEM3-GC31-LL and IPSL-CM6A-LR, under two future scenarios i.e. Shared Socioeconomic Pathways (SSPs) - SSP126 and SSP585 from Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment Report, 2023. Based on current distribution of the species and bioclimatic conditions., the Maxent-derived projections indicated significant reduction in its suitable habitat in IHR. Under the moderate scenario i.e. SSP126, suitable habitats are expected to decrease to 6,313,494 ha (10.62% of the total geographical area of IHR) with HadGEM3-GC31-LL and to 4,161,437 ha (7.00%) with IPSL-CM6A-LR from the present distribution area of 8,132,637 ha (13.68%). Under high-emission SSP585 scenario, the predicted habitat area is expected to decline to 4,833,212 ha (8.13%) with HadGEM3-GC31-LL and to 3,204,306 ha (5.39%) with IPSL-CM6A-LR.Annual mean temperature, isothermality, and annual precipitation were important environmental variables impacting the species distribution and models’ predictive capacity. The model outputs clearly predict a gloomy picture under both the future climate scenarios for <i>T. wallichiana</i> emphasizing the need for a targeted conservation effort for the species. .</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"32 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140839310","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}
引用次数: 0
The importance of tree species identity and trait-based winter foraging ecology of bark-foraging bird species in a large Central European floodplain forest 中欧大型洪泛平原森林中树种特征的重要性以及树皮鸟类基于特征的冬季觅食生态学
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-04-27 DOI: 10.1007/s10531-024-02852-7
Gabor Ónodi, Zoltán Botta-Dukát, Dániel Winkler, Christian H. Schulze
{"title":"The importance of tree species identity and trait-based winter foraging ecology of bark-foraging bird species in a large Central European floodplain forest","authors":"Gabor Ónodi, Zoltán Botta-Dukát, Dániel Winkler, Christian H. Schulze","doi":"10.1007/s10531-024-02852-7","DOIUrl":"https://doi.org/10.1007/s10531-024-02852-7","url":null,"abstract":"<p>Beyond preferences for particular species of tree, bark-foraging birds are associated with various tree characteristics such as decay stage, trunk diameter, or bark roughness. Our objectives were to study the winter foraging ecology of different bark-foraging bird species in the highly diverse floodplain forests of Donau-Auen National Park (Austria) by examining the importance of tree species and characteristics. We used 'first-foraging' observations on the great spotted woodpecker (<i>Dendrocopos major</i>), middle spotted woodpecker (<i>Leiopicus medius</i>), Eurasian nuthatch (<i>Sitta europaea</i>), treecreepers (<i>Certhia</i> spp.), great tit (<i>Parus major</i>), Eurasian blue tit (<i>Cyanistes caeruleus</i>), and marsh tit (<i>Poecile palustris</i>). We examined bird-tree relationships with a bird-plant network approach, where we compared traits of trees and their preferences among avian species. The five most important tree species relative to distance-weighted fragmentation were European white elm (<i>Ulmus laevis</i>), pedunculate oak (<i>Quercus robur</i>), common ash (<i>Fraxinus excelsior</i>), and white and black poplar (<i>Populus alba, P. nigra</i>). Avian taxa differed only in the use of tree condition, where woodpeckers used decayed and dead trees more than tits. Most species preferred trees of larger trunk diameter with rougher bark. We suspect that changes in these highly diverse floodplain forest stands will eventually lead to changes in bark-foraging bird assemblages. For the protection of such highly diverse floodplain forests, conservation-based water management practices will be crucial to maintaining a sufficient groundwater table. Our findings also suggest that forest management practices should focus on more diverse commercial forest stands with a critical amount of secondary tree species, a variety of size classes, varying tree conditions, and species with different bark roughness classes.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"500 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140802233","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}
引用次数: 0
Hoist the colours: silviculture impacts fruit-feeding butterfly assemblage colouration in the Atlantic Forest 提升色彩:造林对大西洋森林果食蝶群色彩的影响
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-04-27 DOI: 10.1007/s10531-024-02854-5
André Nogueira Thomas, Aline Richter, Ricardo Luís Spaniol, Milton de Souza Mendonça, Cristiano Agra Iserhard
{"title":"Hoist the colours: silviculture impacts fruit-feeding butterfly assemblage colouration in the Atlantic Forest","authors":"André Nogueira Thomas, Aline Richter, Ricardo Luís Spaniol, Milton de Souza Mendonça, Cristiano Agra Iserhard","doi":"10.1007/s10531-024-02854-5","DOIUrl":"https://doi.org/10.1007/s10531-024-02854-5","url":null,"abstract":"<p>Organismal colours have long captivated and inspired naturalists and scientists. Since colours depend on the life history of a species, it is expected that they respond to environmental changes, especially in an increasingly anthropized world. Aiming to evaluate how this trait responds to different anthropogenic disturbances, we assess wing colour aspects of fruit-feeding butterflies sampled in Atlantic Forest remnants. These remnants, with well-defined understory and canopy, are crossed by artificial edges and surround exotic pine silviculture areas of different ages, representing landscapes commonly found in the subtropical Atlantic Forest. We obtained colour measurements of brightness, saturation, contrast, colour diversity and heterogeneity, and the presence of eyespots and iridescence for dorsal and ventral wing surfaces of 47 fruit-feeding butterfly species. We evaluated colour trait distribution and abundance in the distinct native (understory and canopy) and anthropized (edge, old and young <i>Pinus</i>) habitats, and hypothesised that butterfly assemblage colouration will differ in each habitat due to biotic and abiotic differences. In addition, butterfly assemblages in anthropized environments should present less diverse colour traits due to the pressures generated by anthropogenic actions, like microclimate changes and higher exposure to predation. As expected, the natural environments have butterflies with diverse colours and unique contrast colour traits. These patterns are not found in anthropized ones despite artificial edges presenting brighter and even more diverse colours. However, pine silviculture areas present butterflies with less diverse colours, leading the most colourful species to disappear. We demonstrate that different anthropogenic disturbances can impact butterfly colouration. Our results reinforce the close relationship between butterfly colouration and the environment, highlighting that colours can be used as bioindicators for conservation purposes, representing a useful form of functional biodiversity.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"69 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140802231","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}
引用次数: 0
The importance of native shrubs on the distribution and diversity of reptiles and amphibians in the central drylands of Southwestern USA. 本土灌木对美国西南部中部干旱地区爬行动物和两栖动物的分布和多样性的重要性。
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-04-26 DOI: 10.1007/s10531-024-02851-8
Ethan Owen, Mario Zuliani, Marina Goldgisser, CJ Lortie
{"title":"The importance of native shrubs on the distribution and diversity of reptiles and amphibians in the central drylands of Southwestern USA.","authors":"Ethan Owen, Mario Zuliani, Marina Goldgisser, CJ Lortie","doi":"10.1007/s10531-024-02851-8","DOIUrl":"https://doi.org/10.1007/s10531-024-02851-8","url":null,"abstract":"<p>Conservation and management of drylands is a global challenge. Key attributes of these ecosystems, such as dominant vegetation including shrubs, can provide a crucial mechanism to inform conservation strategies. The shrub species <i>Ephedra californica</i> and <i>Larrea tridentata</i> are common native shrub species within the deserts of California and frequently benefit other plant and animal species. Here, we tested the hypothesis that shrubs support reptile and amphibian communities through relative increases in available habitat, estimated through increasing shrub densities at the site level. Reported occurrence data from the Global Biodiversity Information Facility (GBIF) and high-resolution satellite images were used to test for local-to-regional patterns in reptile and amphibian distribution and diversity by shrub densities at sites. At 43 distinct sites, the relationship between shrub density and reported reptile and amphibian communities was also tested. A total of 71 reptile and amphibian species were reported regionally. Increases in shrub density across sites positively influenced the relative abundance and richness of reptiles and amphibians observed. Moreover, increasing shrub density also had a positive influence on species evenness. Aridity differences between sites did not significantly influence the relationship between shrub density and reptiles and amphibians suggesting that the relationship was robust. This study highlights the importance of foundational shrub species in supporting reptile and amphibian communities in arid and semi-arid regions. Large-scale patterns of biodiversity in deserts can be supported by positive plant-animal interactions including small islands of fertility and resources for animals in the context of a warming climate.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"267 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140802273","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}
引用次数: 0
Mixed responses of ant communities to the eradication of black rats and iceplants on a small Mediterranean island 地中海小岛上蚂蚁群落对消灭黑鼠和冰草的混合反应
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-04-26 DOI: 10.1007/s10531-024-02838-5
Romane Blaya, Olivier Blight, Sébastien Aurelle, Julie Braschi, Laurence Berville, Philippe Ponel, Elise Buisson
{"title":"Mixed responses of ant communities to the eradication of black rats and iceplants on a small Mediterranean island","authors":"Romane Blaya, Olivier Blight, Sébastien Aurelle, Julie Braschi, Laurence Berville, Philippe Ponel, Elise Buisson","doi":"10.1007/s10531-024-02838-5","DOIUrl":"https://doi.org/10.1007/s10531-024-02838-5","url":null,"abstract":"<p>Eradication of invasive alien species (IAS) is often proposed to restore invaded ecosystems, with information on subsequent ecosystem recovery key to conservation policies. Although ants perform major ecological functions in the ecosystem, their response to IAS eradication has received relatively little monitoring. This study investigated ant response to iceplant (<i>Carpobrotus</i> spp.) and black rat (<i>Rattus rattus</i>) eradications on the small Mediterranean island of Bagaud (Var, France). Ant communities were monitored over a ten-year period, including two years before eradications, at six different sites: two invaded by iceplants, two under high rat pressure, and two native vegetation sites without intervention. We found inter-annual variations in ant communities but no before-after eradication trend at both native vegetation and rat eradication sites. However, there was a clear increase in ant species richness and abundance score after the iceplant eradication. A core of common Mediterranean species, including <i>Pheidole pallidula</i>, <i>Messor bouvieri,</i> and <i>Plagiolepis pygmaea</i>, increased their foraging activity after the removal. As xerophilous and thermophilous species they would benefit from the return of native vegetation with possibly warmer and dryer microclimatic conditions, but also from habitat and resource diversification. The trend was even stronger on the denser and thicker iceplant eradication patch. Our results emphasize the relevance of implementing ant monitoring to evaluate the effectiveness of such restoration and conservation strategies.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"5 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-04-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140802411","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}
引用次数: 0
Optimization of conservation network based on phylogenetic diversity–A case of some vascular plants on the Qinghai - Tibet Plateau 基于系统发育多样性的保护网络优化--以青藏高原一些维管植物为例
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-04-18 DOI: 10.1007/s10531-024-02846-5
Hua Zhang, Yanpeng Zhu, Taotao Han, Yueheng Ren, Shengxiang Yu
{"title":"Optimization of conservation network based on phylogenetic diversity–A case of some vascular plants on the Qinghai - Tibet Plateau","authors":"Hua Zhang, Yanpeng Zhu, Taotao Han, Yueheng Ren, Shengxiang Yu","doi":"10.1007/s10531-024-02846-5","DOIUrl":"https://doi.org/10.1007/s10531-024-02846-5","url":null,"abstract":"<p>The Qinghai–Tibet Plateau (QTP) is a biodiversity hotspot of national and global significance. Prerequisites for the effective conservation of biodiversity on the QTP are the identification of biodiversity conservation hotspots and gaps in the region and the subsequent optimization of the spatial planning of conservation networks. However, there is a lack of understanding and assessment of phylogenetic diversity in the QTP conservation network. In this study, 136 species of vascular plants included in the Red List of China’s Biodiversity - Higher Plants on the QTP were selected. The maximum entropy model (MaxEnt) and the zonation model were used to identify conservation priority areas and analyze gaps on the QTP using 17%, 30%, 36% and 50% of the area as the conservation targets. In contrast to existing protected area planning based only on species richness (SR), this study also considered evolutionary distinctiveness (ED), which is a measure of the contribution of species to the overall evolutionary history, to determine the priority areas for biodiversity conservation on the QTP; thus, this study takes into account both taxonomic and evolutionary dimensions. The results showed the following: (1) The current conservation network protects an average of only 18.9% of the habitats of the 136 vascular plant species. (2) Under different conservation targets, the coverage percentages of the conservation network for the conservation priority areas identified based on the superposition of SR and ED were approximately 24.7%, 26.1%, 25.5%, and 25.3%, which accounted for approximately 4.6%, 8.5%, 9.7%, and 12.5%, respectively, of the QTP area. (3) Under different conservation targets, the priority areas were concentrated in the southeastern part of the QTP, and as the target area expanded, these priority areas gradually extended into the central and northwestern parts of the QTP. Conservation gaps are mainly concentrated in the eastern Yarlung Zangbo River, the Three Parallel Rivers region, the Southern Hengduan Mountains, the Songpan Plateau–Qionglai Mountains region, and the Yellow River Headwater Region. Phylogenetic diversity reveals evolutionary information about species, and its spatial pattern of divergence from taxonomic diversity emphasizes the significance of incorporating it into conservation, with the aim of promoting multidimensional biodiversity conservation for future conservation planning.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"2013 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140624251","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}
引用次数: 0
Before it’s too late: priority areas for conservation of cryptic and threatened species of troglobitic arthropods in the Brazilian semiarid 为时未晚:保护巴西半干旱地区隐蔽和濒危蛙足节肢动物物种的优先区域
IF 3.4 2区 环境科学与生态学
Biodiversity and Conservation Pub Date : 2024-04-18 DOI: 10.1007/s10531-024-02833-w
Diego de Medeiros Bento, Rodrigo Lopes Ferreira, Santelmo Vasconcelos, Jamily Lorena Ramos de Lima, Guilherme Oliveira, Tiago Castro Silva, Sergio Maia Queiroz Lima
{"title":"Before it’s too late: priority areas for conservation of cryptic and threatened species of troglobitic arthropods in the Brazilian semiarid","authors":"Diego de Medeiros Bento, Rodrigo Lopes Ferreira, Santelmo Vasconcelos, Jamily Lorena Ramos de Lima, Guilherme Oliveira, Tiago Castro Silva, Sergio Maia Queiroz Lima","doi":"10.1007/s10531-024-02833-w","DOIUrl":"https://doi.org/10.1007/s10531-024-02833-w","url":null,"abstract":"<p>One of the most important steps in identifying priority areas for conservation is the assessment of species richness and their extinction risks. While most species remain undescribed, the identification of cryptic lineages is frequent in phylogenetic and phylogeographic studies. This is particularly common in troglobites, exclusively subterranean organisms. The Jandaíra Formation, in the Brazilian semiarid, combines the occurrence of extensive karstic areas with hundreds of caves and subterranean aquifers in a region with intense paleoclimatic changes. This region is recognized for the richness of troglobitic species, some of which are widely distributed in heterogeneous areas. This suggests cryptic lineages that can be differentially exposed to anthropogenic threats, with distinct extinction risks regarding the nominal taxa of which they putatively belong. To test it, a large sampling was conducted and, by means of lineage delimitation analyses, the genetic structure of four troglobitic taxa, three aquatic and one terrestrial, was evaluated. In addition, the extinction risk of these lineages was assessed and priority areas for conservation were identified. The results indicated that while Cirolanidae sp. 1 (Isopoda) is a single species widely distributed, Cirolanidae sp. 2, <i>Potiberaba porakuara</i> (Amphipoda) and <i>Kinnapotiguara troglobia</i> (Hemiptera) present an extensive diversity of cryptic and endemic lineages, most of which are likely new threatened species. Furthermore, two priority areas for conservation of these lineages were identified. Thus, comparative phylogeography may represent a first step in the conservation of subterranean taxa, indicating areas that should be prioritized in a context of increasing threats and dwindling conservation resources.</p>","PeriodicalId":8843,"journal":{"name":"Biodiversity and Conservation","volume":"31 1","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140624340","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}
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