Biological Conservation最新文献

The global threat of wire snare poaching: A comprehensive review of impacts and research priorities 钢丝陷阱偷猎的全球威胁：影响和研究重点的全面审查

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-08-02 DOI: 10.1016/j.biocon.2025.111406

Dylan E. Feldmeier , Oswald J. Schmitz , Amy J. Dickman , Herbert Kasozi , Robert A. Montgomery

{"title":"The global threat of wire snare poaching: A comprehensive review of impacts and research priorities","authors":"Dylan E. Feldmeier , Oswald J. Schmitz , Amy J. Dickman , Herbert Kasozi , Robert A. Montgomery","doi":"10.1016/j.biocon.2025.111406","DOIUrl":"10.1016/j.biocon.2025.111406","url":null,"abstract":"<div><div>Wire snare poaching is an indiscriminate and pervasive form of hunting that poses a significant threat to global biodiversity. However, research synthesizing the ecological and socio-economic dimensions of snaring remains limited. To address this gap, we systematically reviewed 304 studies published between January 1977 and May 2025 to: (1) assess the global distribution of wire snaring research, (2) examine spatio-temporal trends, (3) identify core research themes, and (4) determine key knowledge gaps. We found that snaring is a global issue, occurring across Africa, Australia, Asia, North America, and Europe. Despite the global nature and increasing magnitude of snaring research over the past three decades, most research attention was in sub-Saharan Africa and Southeast Asia. Through thematic analysis, we identified five core wire snare research themes: Direct Effects, Indirect Effects, Optimized Detection, Socio-economic Dimensions, and Management Interventions. While Direct Effects (mortality and injuries) are well-documented, Indirect Effects, such as altered predator prey dynamics and behavioral shifts, remain limited, underscoring the need for innovative methodologies to better capture non-consumptive impacts of snaring. Emerging research on Optimized Detection, including machine learning, shows promise but requires further validation to overcome low snare detectability. Addressing Socio-economic Dimensions, including poverty, bushmeat demand, and community perceptions, is critical for designing effective Management Interventions. Integrated approaches combining law enforcement with community-driven conservation strategies are gaining traction. However, further research is needed to assess effectiveness and adaptability. Expanding geographic representation, advancing interdisciplinary research, and refining intervention strategies is essential to mitigating the threat of snaring and informing conservation policies globally.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111406"},"PeriodicalIF":4.4,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144757989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Species characteristics modulate tropical mammal responses to forest quality in Southeast Asia 物种特征调节东南亚热带哺乳动物对森林质量的反应

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-08-02 DOI: 10.1016/j.biocon.2025.111388

Pradeep Raj Joshi , Asunción Semper-Pascual , Andrea F. Vallejo-Vargas , Douglas Sheil , Matthew S. Luskin , Jonathan Moore , Richard Bischof

{"title":"Species characteristics modulate tropical mammal responses to forest quality in Southeast Asia","authors":"Pradeep Raj Joshi , Asunción Semper-Pascual , Andrea F. Vallejo-Vargas , Douglas Sheil , Matthew S. Luskin , Jonathan Moore , Richard Bischof","doi":"10.1016/j.biocon.2025.111388","DOIUrl":"10.1016/j.biocon.2025.111388","url":null,"abstract":"<div><div>Anthropogenic activities such as forest loss and degradation threaten many species-rich tropical forests. However, how species respond to forest quality and the role of species characteristics (i.e., body mass, carnivory, and habitat breadth) in mediating such responses remain poorly understood. We assessed how the occupancy of 61 mammal species in tropical forests of Southeast Asia responded to forest cover, canopy height, and disturbance history. We used data from 627 camera trap sites across 11 landscapes in Southeast Asia and applied a customized Bayesian multi-species occupancy modelling framework. Higher forest quality was positively related to the occupancy of 77 % mammal species while 5 % showed a negative relationship. Species with limited habitat breadths (habitat specialists) showed the strongest positive relationships, such as the dusky monkey (<em>Trachypithecus obscurus</em>). Similarly, large-bodied species like the Asian elephant (<em>Elephas maximus</em>) also exhibited strong positive relationships. Our study highlights the critical need to maintain and restore forests with dense canopies and with old and tall trees, especially for large-bodied and habitat-dependent species. Despite recent suggestions that Asian wildlife may not always be negatively influenced by forest degradation, our study underscores the dependency of most mammal species on relatively undisturbed interior forests for long-term conservation.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111388"},"PeriodicalIF":4.4,"publicationDate":"2025-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144757988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Integrating detection and motivation to enhance wildlife poisoning risk mapping and inform on-ground actions 将检测和动机结合起来，加强野生动物中毒风险绘图，并为实地行动提供信息

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-08-01 DOI: 10.1016/j.biocon.2025.111395

María Fernández-García , Jorge Rodríguez-Pérez , Patricia Mateo-Tomás , José Vicente López-Bao

{"title":"Integrating detection and motivation to enhance wildlife poisoning risk mapping and inform on-ground actions","authors":"María Fernández-García , Jorge Rodríguez-Pérez , Patricia Mateo-Tomás , José Vicente López-Bao","doi":"10.1016/j.biocon.2025.111395","DOIUrl":"10.1016/j.biocon.2025.111395","url":null,"abstract":"<div><div>The cryptic nature of wildlife crimes, such as poaching, challenges effective combat against these important threats to biodiversity and human well-being. Official wildlife crime records suffer from biases associated with low and imperfect detection, hampering strategic planning to better allocate and optimise the scarce resources available to implement effective prevention and monitoring measures of these illicit activities. Spatially explicit risk mapping may enhance this process, particularly by improving on-ground actions. Herein, it is crucial to consider the dual nature of wildlife crimes, assessing the differential influence of environmental, demographic, and socioeconomic factors on cases' detection, and identifying those factors related to the underlying wildlife poisoning motivations. We illustrate the utility of this approach through wildlife poisoning in an area of 101,706 km<sup>2</sup> in north-western Spain as a case study, taking advantage of an extensive database of >1,300 animals registered as poisoned between 2010 and 2022, combined with an Integrated Species Distribution Model accounting for imperfect detection and heterogeneous information about poisoning<em>.</em> Our spatially-explicit predictions of poisoning risk were largely influenced by detection-related factors such as human density and the presence of anti-poison canine units, alongside motivation-related factors underlying wildlife poisoning (i.e., agriculture and small livestock presence). Five main poisoning hotspots covering 10,154.3 km<sup>2</sup> were identified, where increased patrolling efforts should be recommended, either as preventive measures to discourage this illegal activity or to search for poisoning cases. Our approach can be widely applied to map different wildlife crime risks, where presence-only data with heterogeneous spatial precision are usually available.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111395"},"PeriodicalIF":4.4,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144757898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

With great powder comes great responsibility: Winter severity modulates antipredator responses of wildlife to recreation 粉多责任大：严冬调节了野生动物对娱乐的反捕食反应

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-08-01 DOI: 10.1016/j.biocon.2025.111374

Jaron T. Kolek , Thomas R. Stephenson , Karl Rittger , Kevin L. Monteith

{"title":"With great powder comes great responsibility: Winter severity modulates antipredator responses of wildlife to recreation","authors":"Jaron T. Kolek , Thomas R. Stephenson , Karl Rittger , Kevin L. Monteith","doi":"10.1016/j.biocon.2025.111374","DOIUrl":"10.1016/j.biocon.2025.111374","url":null,"abstract":"<div><div>Recreation is recognized increasingly for its negative effects on wildlife, which occur as humans are perceived as potential risk, thereby triggering antipredator behaviors. Tolerance to risk, however, is context dependent—resource limitation may force animals to forgo antipredator behavior to prevent starvation (i.e., the starvation-predation hypothesis). We investigated how Sierra Nevada bighorn sheep (<em>Ovis canadensis sierrae</em>), an endangered species whose winter ranges overlap backcountry skiing, balance the perceived risk of recreation and the nutritional limitations resulting from winter severity. We analyzed selection of home ranges and features within the home range indexing perceived risk of skiing using the fitness application Strava. Sierra bighorn avoided skiing regardless of winter conditions or scale of selection. Proximity to skiing, however, varied with winter conditions. Sierra bighorn selected home ranges close to skiing during mild winters and that selection was strengthened during severe winters. Within their home range, Sierra bighorn avoided areas close to skiing during mild winters, but tended towards selecting areas close to skiing during severe winters. Thus, response to skiing depended on winter severity and scale, however the underlying risk and avoidance of skiing remained, likely resulting in functional loss of habitat. Additionally, winter severity modulated risk avoidance indicating that the starvation-predation hypothesis likely applies when perceived risk originates from recreation. We draw renewed attention to the notion that humans still may adversely affect wildlife even when stifled responses are observed. Consequently, conditions of environment and animal should be considered when assessing and mitigating effects of recreation.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111374"},"PeriodicalIF":4.4,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144757990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Urban tree canopy cover over 30 % and native trees enhance bird insectivory and tree biosecurity 城市树冠覆盖率达30%以上，原生树木增强了鸟类、昆虫和树木的生物安全性

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-08-01 DOI: 10.1016/j.biocon.2025.111387

Marco Basile , Benno A. Augustinus , Eckehard G. Brockerhoff

{"title":"Urban tree canopy cover over 30 % and native trees enhance bird insectivory and tree biosecurity","authors":"Marco Basile , Benno A. Augustinus , Eckehard G. Brockerhoff","doi":"10.1016/j.biocon.2025.111387","DOIUrl":"10.1016/j.biocon.2025.111387","url":null,"abstract":"<div><div>Urban trees support biodiversity and the provision of ecosystem services but are increasingly threatened by native and non-native insect pests. Biosecurity of urban trees (i.e., tree protection from biological threats such as pests and pathogens) is enhanced by several intrinsic factors, such as tree defences, and extrinsic factors, such as the occurrence of predators of insect pests. Among the predators of insect pests of trees, birds include many species that might substantially contribute to tree biosecurity. We investigated which levels of urban tree canopy cover and tree species richness support the insectivory function delivered by birds and the overall bird diversity. We measured bird predation and bird diversity in three cities in Switzerland along gradients of urban tree canopy cover, including: industrial/commercial areas with low canopy cover; residential areas with intermediate canopy cover; urban parks and cemeteries with high canopy cover; and peri-urban forests. We used caterpillar mimics and naturally occurring invasive insect larvae of <em>Cameraria ohridella</em> to measure bird predation rates. Bird diversity was assessed using rarefaction curves. We found that bird predation on caterpillar mimics increased with tree canopy cover and decreased with exotic tree species richness, whereas predation on live non-native insect larvae was mostly determined by prey density. We found differences in how urban tree canopy cover influenced bird functional groups. Species richness of insectivorous birds included 75 % of forest species when urban tree canopy cover was at least 30 %. The combined influence of native trees and canopy cover has the potential to increase the insectivory function delivered by birds, with expected benefits for non-native insect control. Our findings match current urban planning targets for sustainable and green cities, that include achieving 30 % tree canopy cover in all city districts.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111387"},"PeriodicalIF":4.4,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144757991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Non-native grass invasion drives biodiversity loss after a single fire in a semi-arid shrubland 半干旱灌木地的一次火灾后，非本地草入侵导致生物多样性丧失

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-07-31 DOI: 10.1016/j.biocon.2025.111400

Adam L. Mahood , Jennifer K. Balch , David M. Barnard , Katherine N. Suding , Jeanne C. Chambers

{"title":"Non-native grass invasion drives biodiversity loss after a single fire in a semi-arid shrubland","authors":"Adam L. Mahood , Jennifer K. Balch , David M. Barnard , Katherine N. Suding , Jeanne C. Chambers","doi":"10.1016/j.biocon.2025.111400","DOIUrl":"10.1016/j.biocon.2025.111400","url":null,"abstract":"<div><div>In the Great Basin of the western United States, annual grass invasion has initiated a novel grass-fire cycle that has transformed vast areas of semi-arid shrublands into non-native annual grasslands that now burn frequently. After the initial transformation, the system is so fire prone that it is difficult to find areas that have not burned repeatedly. We evaluated how the ecosystem responds in the absence of repeated fire to determine if management interventions preventing it could be used to restore the native shrubland.</div><div>We created a regional-scale chronosequence of areas that burned only once from 1984 to 2017 using Landsat-derived burned area products, and collected species composition data across a gradient of 4–32 years since fire. We used linear mixed models to look for evidence of native plant recovery, and used indirect gradient analysis and joint species distribution models to examine the response of species occurrence to a) fire occurrence and timing and pre- and post-fire climate; and b) topography, grazing, and annual grass dominance.</div><div>Native diversity and perennial herbaceous cover were unrelated to time since fire and negatively associated with annual grass cover. The occurrence of a single fire had mostly negative associations with native species and mostly positive associations with non-native species. Grazing intensity did not affect the dominant post-fire annual grass, but non-native annual forbs sorted along a gradient towards two groups based on grazing intensity, annual grass cover, and topography.</div><div>Annual grass competition will likely maintain the post-fire invasive-dominated plant community even if management interventions successfully stop the grass-fire cycle.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111400"},"PeriodicalIF":4.4,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144749799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Floral resources in the surrounding landscape matrix augment plant species richness of bumblebee pollen loads in small, fragmented calcareous grasslands 周边景观基质中的花卉资源增加了小块化钙质草原大黄蜂花粉负荷的植物种类丰富度

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-07-31 DOI: 10.1016/j.biocon.2025.111379

Evan Taylor Sloan , Ira Hannappel , Annika L. Hass , Alexander Keller , Felipe Librán-Embid , Jelle Devalez , Elena Velado-Alonso , Triin Reitalu , Catrin Westphal , Hans Jacquemyn

{"title":"Floral resources in the surrounding landscape matrix augment plant species richness of bumblebee pollen loads in small, fragmented calcareous grasslands","authors":"Evan Taylor Sloan , Ira Hannappel , Annika L. Hass , Alexander Keller , Felipe Librán-Embid , Jelle Devalez , Elena Velado-Alonso , Triin Reitalu , Catrin Westphal , Hans Jacquemyn","doi":"10.1016/j.biocon.2025.111379","DOIUrl":"10.1016/j.biocon.2025.111379","url":null,"abstract":"<div><div>Pollinator populations have shown substantial declines worldwide due to habitat loss and fragmentation, with bees experiencing particularly sharp reductions in both species richness and abundance. While local management measures in semi-natural grasslands and agri-environmental schemes (AES) intend to improve farmland biodiversity, the extent to which these measures affect foraging behavior and pollen resource use of bees in fragmented landscapes remains poorly understood. In this study, we tested the hypothesis that landscape and grassland management affected floral resource use of two bumblebee species (<em>Bombus lapidarius</em> and <em>B. pascuorum</em>) in fragmented calcareous grasslands in Central Germany. Pollen metabarcoding was used to assess the richness and community composition of pollen loads from both bumblebee species. Moreover, we compared the interactions detected by pollen analysis to those observed in transect walks. The results showed that both species, despite their ecological differences, regularly foraged in the broader landscape and collected pollen from plant species found in AES. The percentage of land within 1 km allocated to non-productive AES (e.g., flower strips) was associated with higher pollen species richness in both <em>B. lapidarius</em> and <em>B. pascuorum</em>. In the latter species, this relationship was particularly strong in smaller sites. Landscape and site management variables affected the species composition of pollen assemblages collected from both bumblebee species. Our study showed that bumblebees utilize floral resources from the broader landscape, especially from non-productive AES, illustrating that these schemes can support local pollinator communities of semi-natural grasslands in fragmented agricultural landscapes.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111379"},"PeriodicalIF":4.4,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144749800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Assessing biodiversity patterns and conservation gaps in Mexican Opuntia: Integrating species richness, endemism, and protected area coverage 评估墨西哥大草原的生物多样性模式和保护缺口：物种丰富度、地方性和保护区覆盖的综合

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-07-31 DOI: 10.1016/j.biocon.2025.111347

Fernanda Rosales-Ramos , Juan E. Fornoni-Agnelli , Andrés Lira-Noriega , Luis Osorio-Olvera

{"title":"Assessing biodiversity patterns and conservation gaps in Mexican Opuntia: Integrating species richness, endemism, and protected area coverage","authors":"Fernanda Rosales-Ramos , Juan E. Fornoni-Agnelli , Andrés Lira-Noriega , Luis Osorio-Olvera","doi":"10.1016/j.biocon.2025.111347","DOIUrl":"10.1016/j.biocon.2025.111347","url":null,"abstract":"<div><div>Approximately 5.09 % of Mexico's territory harbors priority areas for conserving <em>Opuntia</em>, an ecologically and culturally relevant genus facing escalating threats from anthropogenic pressures and climate change. Despite the importance of the genus, its biodiversity remains largely underrepresented within Mexico's Protected Areas (PAs). This study employs an integrative approach, combining Species Distribution Models (SDMs) calibrated with environmental and soil variables and Diversity Range Analysis (DRA), to map biodiversity patterns for 51 Mexican <em>Opuntia</em> species. Our approach reveals critical conservation gaps. Only 12 out of the 31 wide-ranging <em>Opuntia</em> species analyzed in this study exceeded the 10 % protection threshold recommended by traditional conservation measures. Furthermore, High Endemism/High Richness (HE/HR) areas show minimal protection (6.71 %) by Mexico's PAs. We propose aligning <em>Opuntia</em> biodiversity patterns with IUCN management categories to facilitate the translation of analytical insights into actionable policy measures to safeguard <em>Opuntia</em> biodiversity.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111347"},"PeriodicalIF":4.4,"publicationDate":"2025-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144739332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Establishing a protected area can restore honeybee population size and genetic diversity 建立保护区可以恢复蜜蜂种群规模和遗传多样性

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-07-30 DOI: 10.1016/j.biocon.2025.111366

Andrea Chiocchio , Daniele Porretta , Roberta Bisconti , Giuseppe Martino , Michela Paoletti , Antonino Siclari , Daniele Canestrelli

{"title":"Establishing a protected area can restore honeybee population size and genetic diversity","authors":"Andrea Chiocchio , Daniele Porretta , Roberta Bisconti , Giuseppe Martino , Michela Paoletti , Antonino Siclari , Daniele Canestrelli","doi":"10.1016/j.biocon.2025.111366","DOIUrl":"10.1016/j.biocon.2025.111366","url":null,"abstract":"<div><div>Monitoring population genetic diversity is a fundamental component of biodiversity conservation practices. Because of its intimate links with population demographic size and adaptive potential, diachronic analyses of genetic diversity can allow, in principle, to assess the putative impacts of both anthropogenic disturbance and conservation initiatives. Yet, while the genetic imprints of anthropogenic disturbances have been extensively investigated, much less use has been made of population genetic data to address the effect of conservation efforts. Here, using diachronic samples of wild honeybee <em>Apis mellifera</em> populations in southern Italy, we explore the use of population genetic data to address the genetic and demographic consequences of the establishment of a national park. We found a substantial difference in the demographic trend among the two diachronic samples. While the honeybee population was declining at the time of the national park establishment, estimates of the effective population size after thirty years indicated a 12-fold demographic expansion. Within the same timeframe, we observed a substantial increase of population genetic diversity parameters within the study area. Allelic richness increased from 3.38 to 4.69, the expected heterozygosity increased from 0.35, to 0.42, and the Fst between the two temporal samples was 0.05 (<em>P</em> < 0.01). Overall, these data support the beneficial effects of area-based conservation efforts on honeybee populations. Importantly, results from this study highlight the significance of genetic investigation on diachronic samples to reveal hidden demographic trends of natural populations, to meet conservation commitments and to assess their efficacy over time.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111366"},"PeriodicalIF":4.4,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144723753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

A comprehensive framework for managing human-wildlife conflicts: The case of smallholder livestock depredation by puma (Puma concolor) in the Argentine Dry Chaco 管理人类与野生动物冲突的综合框架：阿根廷干查科美洲狮（美洲狮）掠夺小农牲畜的案例

IF 4.4 1区环境科学与生态学

Biological Conservation Pub Date : 2025-07-29 DOI: 10.1016/j.biocon.2025.111394

Ana Sofia Nanni , Olivia del Giorgio , Loreley Cuadrado , Ana L. Dip Yordanoff , André Luis Regolin

{"title":"A comprehensive framework for managing human-wildlife conflicts: The case of smallholder livestock depredation by puma (Puma concolor) in the Argentine Dry Chaco","authors":"Ana Sofia Nanni , Olivia del Giorgio , Loreley Cuadrado , Ana L. Dip Yordanoff , André Luis Regolin","doi":"10.1016/j.biocon.2025.111394","DOIUrl":"10.1016/j.biocon.2025.111394","url":null,"abstract":"<div><div>Negative impacts of wildlife on livelihoods, such as livestock depredation by carnivores, often lead to human-wildlife conflicts that threaten wildlife populations and human well-being. Despite a growing number, few studies have assessed intervention effectiveness to mitigate such impacts. We present a participatory framework for selecting, implementing, and evaluating interventions targeting human-wildlife conflicts. Applied to a community in the Argentine Dry Chaco to mitigate puma (<em>Puma concolor</em>) livestock depredation, it led to the first test and deployment of a community-selected intervention in the region: studded leather collars placed on small livestock. The proposed framework begins with a stage 1 for characterizing the conflict, consisting of a regional assessment of the broader social-ecological context through interviews, and a local assessment via focus group discussions. It then includes three actionable stages for managing the conflict. Stages 2 and 3 involve selecting and testing potential interventions through a prioritization process based on effectiveness, feasibility, and cost. This led to the selection of studded leather collars, which were evaluated through a randomized controlled trial showing that depredation was ten times higher in the uncollared group. In stage 4, the intervention is fully deployed, which resulted in half the depredation rate to that observed during the trial. Our study demonstrates the effectiveness of studded leather collars in reducing puma attacks on small livestock and highlights the value of integrating local knowledge with evidence-based approaches to address human-wildlife conflicts. This framework can inform effective, context-sensitive strategies and be applied to mitigate conflicts arising from human-wildlife interactions elsewhere.</div></div>","PeriodicalId":55375,"journal":{"name":"Biological Conservation","volume":"310 ","pages":"Article 111394"},"PeriodicalIF":4.4,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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