European Journal of Wildlife Research最新文献_第3页

Competition between sympatric hare species in the Alps is boostered by climate change and hybridisation 气候变化和杂交加剧了阿尔卑斯山同域野兔物种之间的竞争

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-25 DOI: 10.1007/s10344-024-01830-2

Stéphanie C. Schai-Braun, Nicolas Cybulska, Flurin Filli, Hannes Jenny, Joao Queirós, Paulo C. Alves, Klaus Hackländer

{"title":"Competition between sympatric hare species in the Alps is boostered by climate change and hybridisation","authors":"Stéphanie C. Schai-Braun, Nicolas Cybulska, Flurin Filli, Hannes Jenny, Joao Queirós, Paulo C. Alves, Klaus Hackländer","doi":"10.1007/s10344-024-01830-2","DOIUrl":"https://doi.org/10.1007/s10344-024-01830-2","url":null,"abstract":"Climatic variation along the elevation gradient promotes the natural parapatric occurrence of the European hare (Lepus europaeus) and Alpine mountain hare (Lepus timidus varronis) in the Alps. Recent data indicate a displacement of mountain hares caused by competition with the European hare. Competitive exclusion might take place at a fine spatial scale and hybrids may sharpen competition. Genetic non-invasive sampling (gNIS) demonstrates to be effective to retrieve information from wild animals. However, based on the accuracy of the differing genetic analysis methods, the selection of the method might decisively influence results. To examine habitat preferences of Alpine mountain hares, European hares and their hybrids with particular interest in the influence of the accuracy of the genetic analysis method on the results, we performed gNIS in Grisons (Switzerland) for four years and compared habitat associations of the genotyped samples. We recorded 137 individuals (i.e., 35 hybrids, 49 European hares, 53 Alpine mountain hares). Combined nuclear and mitochondrial DNA analysis including individual identification revealed to be the most accurate indirect method for the study of habitat preferences of hares. Alpine mountain hares had a narrow habitat breadth and used little habitat diversity. Hybrids showed great similarities in their habitat preferences to European hares. Hybrids might increase the competition in favour of European hares and the displacement of Alpine mountain hares, since they show similar patterns of habitat use to European hares. Ongoing climate change potentiate the niche overlap between species, increasing the risk of Alpine hare decline due to hybridisation and displacement.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"48 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141775152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Geospatial based AHP analysis for habitat suitability of elephants and the effects of human elephant conflict in a tropical forest of Western Ghats in India 印度西高止山热带森林中大象栖息地适宜性和人象冲突影响的基于地理空间的 AHP 分析

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-23 DOI: 10.1007/s10344-024-01834-y

P. Vineetha, S. Sarun, S. Selvakumar, Reghunath Rajesh

{"title":"Geospatial based AHP analysis for habitat suitability of elephants and the effects of human elephant conflict in a tropical forest of Western Ghats in India","authors":"P. Vineetha, S. Sarun, S. Selvakumar, Reghunath Rajesh","doi":"10.1007/s10344-024-01834-y","DOIUrl":"https://doi.org/10.1007/s10344-024-01834-y","url":null,"abstract":"In Kerala, human-elephant conflicts (HEC) are reported in almost all parts of the Western Ghats region, exceptionally high in Wayanad. In recent years, there has been a notable surge in HEC occurrences throughout the state, leading to the loss of property, animals, and life. The dependency of humans on enclosures, the transformation of natural areas into plantations, and the fragmentation of natural ecosystems are the main reasons for the escalating conflict between people and elephants. As a result, it is necessary to study the suitability of habitat for elephants and ensure their conservation. The study aims to identify suitable elephant habitats in the Wayanad Wildlife Sanctuary using geospatial data based on their known association with environmental variables. This study employs the Analytic Hierarchy Process (AHP), an approach to determining the weightings of individual parameters in assessing habitat suitability. The analysis findings indicated that the central portion of the study area within the Sultan Bathery (43.63 sq. km), range represents the most suitable area for elephant habitat followed by Kurichat (33.59 sq. km) and Tholpetti (19.45 sq. km). The final output of the study, the Habitat Suitability Map was validated by adding the human-elephant conflict locational data, which illustrates that the Kurichiat range recorded the highest HEC conflict (50%), followed by Muthanga (29%), Sulthan Bathery (12%), and Tholpetti (9%). The map could assist in managing, conserving, and protecting forest resources and aid in decision-making activities.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"245 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141775035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Farm management practices and host species richness associated with higher likelihood of tuberculosis positive farms in Western Spain 在西班牙西部，农场管理方法和宿主物种丰富度与结核病阳性农场的较高可能性有关

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-19 DOI: 10.1007/s10344-024-01833-z

Gloria Herrero-García, Rita Vaz-Rodrigues, Pilar Pozo, Patricia Barroso, David Relimpio, Jesús Nácar, Anna Grau, Olga Mínguez, Alberto García-Rodríguez, Ana Balseiro, Christian Gortázar

{"title":"Farm management practices and host species richness associated with higher likelihood of tuberculosis positive farms in Western Spain","authors":"Gloria Herrero-García, Rita Vaz-Rodrigues, Pilar Pozo, Patricia Barroso, David Relimpio, Jesús Nácar, Anna Grau, Olga Mínguez, Alberto García-Rodríguez, Ana Balseiro, Christian Gortázar","doi":"10.1007/s10344-024-01833-z","DOIUrl":"https://doi.org/10.1007/s10344-024-01833-z","url":null,"abstract":"Despite enormous efforts, complete animal tuberculosis (TB) eradication has only been achieved in few regions. Epidemiological analyses are key to identify TB risk factors and set up targeted biosecurity measures. Here, we conducted an in-depth characterization of 84 extensive beef cattle farms from a high TB prevalence region in Western Spain, and assessed how farm management and wildlife presence on farms contribute to cattle TB risk. Twenty-six out of 84 variables were associated with cattle farm TB positivity. Farm management variables associated with TB positivity included older cattle, larger herd size, highly fragmented farm structure and greater connectivity between farms. TB-positive farms provided supplemental feed over a higher number of months, used calf feeders, and had higher number of waterholes. Detecting Eurasian wild boar (Sus scrofa), red fox (Vulpes vulpes), European badger (Meles meles), roe deer (Capreolus capreolus), or Egyptian mongoose (Herpestes ichneumon) on cattle farms was also associated with farm TB positivity. The best ordinal regression model indicated that in farms with a large herd size (> 167 animals) the odds of being positive or recurrently positive (versus negative) was 7.34 (95% CI = 2.43–23.51) times higher that of farms with small herd size. Further, for every additional host species detected in the farm premises, the odds of being TB-positive increased 56%. We conclude that both cattle management and wildlife need to be targeted for successful TB control in grazing-based farming systems.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"16 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141744536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Home range overlaps of the brushtail possum (Trichosurus vulpecula): implications for disease transmission 刷尾负鼠（Trichosurus vulpecula）的家域重叠：对疾病传播的影响

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-13 DOI: 10.1007/s10344-024-01827-x

Jorge Tobajas, Kyle S. Richardson, Nigel P. French, Bryce Buddle, Christopher Jewell, Daniel M. Tompkins, Carlos Rouco

{"title":"Home range overlaps of the brushtail possum (Trichosurus vulpecula): implications for disease transmission","authors":"Jorge Tobajas, Kyle S. Richardson, Nigel P. French, Bryce Buddle, Christopher Jewell, Daniel M. Tompkins, Carlos Rouco","doi":"10.1007/s10344-024-01827-x","DOIUrl":"https://doi.org/10.1007/s10344-024-01827-x","url":null,"abstract":"Understanding how bovine tuberculosis (TB) is maintained in wildlife reservoirs is critical for the management of this disease impacting cattle in many countries. For the primary wildlife reservoir of the disease in New Zealand, the brushtail possum (Trichosurus vulpecula), transmission of this contagious bacterial disease among possums is often assumed to be linked to home range overlap. Identifying drivers of possum home range, and home range overlap between individuals, is thus important for informing wildlife reservoir TB management in New Zealand. We monitored four sub-populations of free-living possums in New Zealand native forests during 10 consecutive months using live trapping, to give the first direct insight into how the frequency and area of overlaps alters with density, sex and age. A total of 832 individuals were captured (average 9.3, range from 1 to 40 captures per animal with a median value of 7) and 35,820 home range overlaps were recorded. Both the number and area of overlaps were significantly associated with age class, with 66.6% of overlaps occurring between adults, 30% between adults and juveniles, and only 3.4% between juveniles. Overall, adult males showed significantly higher numbers of overlaps than expected, while adult and juvenile females showed significantly lower numbers of overlaps than expected and no differences were observed in juvenile males. In addition, males exhibited more and larger overlaps than females. The number and size of overlaps per individual decreased with increasing local population density. Understanding shared areas of activity among individuals can provide insights into the interactions occurring and potential pathways for diseases transmitted by contact such as TB. These results can inform to develop effective strategies for the control of diseases carried and dispersed by possums.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"6 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141612263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Welfare assessment of European brown hares (Lepus europaeus) reared in captivity for their subsequent release 欧洲褐兔（Lepus europaeus）圈养后放归的福利评估

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-11 DOI: 10.1007/s10344-024-01832-0

Katarina Nenadović, Marijana Vučinić, Ljiljana Janković, Vladimir Drašković, Radislava Teodorović, Milutin Đorđević

{"title":"Welfare assessment of European brown hares (Lepus europaeus) reared in captivity for their subsequent release","authors":"Katarina Nenadović, Marijana Vučinić, Ljiljana Janković, Vladimir Drašković, Radislava Teodorović, Milutin Đorđević","doi":"10.1007/s10344-024-01832-0","DOIUrl":"https://doi.org/10.1007/s10344-024-01832-0","url":null,"abstract":"For Serbian hunting grounds, the European brown hare (Lepus europaeus) is the most interesting type of small hunting game animal. However, the number of hares has decreased in recent decades, so hunters and authorities rear hares in captivity systems for their subsequent release. In order to investigate the welfare of cage-reared hares in Serbia, two captivity systems were analyzed. For welfare assessment, animal-based indicators were from the welfare quality assessment protocol for rabbits. The main welfare issues identified were locomotor stereotype behaviors (observed in 33.08%, 43/130 of caged hares), hairless areas on the animal (28.46%, 37/130), wounds on the body (18.46%, 24/130), wounds on the ears (16.92%, 22/130), and thin body condition score (BCS) (10.77%, 14/130). Significant correlations (p < 0.001) were found between some welfare indicators: thin BCS and wounds on the body; thin BCS and nasal discharge; wounds on the body and hairless areas, and; locomotor stereotype behaviors and hairless areas. The results of this study provide valuable insight into the impact of the captive rearing system on the welfare of European brown hares in Serbia.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"36 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141587950","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dying for décor: quantifying the online, ornamental trade in a distinctive bat species, Kerivoula picta 为装饰而死：量化一种独特蝙蝠物种 Kerivoula picta 的在线观赏贸易

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-09 DOI: 10.1007/s10344-024-01829-9

Joanna L Coleman, Nistara Randhawa, Joe Chun-Chia Huang, Tigga Kingston, Benjamin P Y-H Lee, Joy M O’Keefe, Abigail L Rutrough, Vu Dinh Thong, Susan M Tsang, Chris R Shepherd

{"title":"Dying for décor: quantifying the online, ornamental trade in a distinctive bat species, Kerivoula picta","authors":"Joanna L Coleman, Nistara Randhawa, Joe Chun-Chia Huang, Tigga Kingston, Benjamin P Y-H Lee, Joy M O’Keefe, Abigail L Rutrough, Vu Dinh Thong, Susan M Tsang, Chris R Shepherd","doi":"10.1007/s10344-024-01829-9","DOIUrl":"https://doi.org/10.1007/s10344-024-01829-9","url":null,"abstract":"Many wild-animal species are harvested and sold as ornaments—a lucrative trade that contributes to the global extinction crisis and increasingly happens online. Unfortunately, research and policies addressing this threat mainly focus on charismatic and easily identified taxa, leaving the online trade in bats under-researched and bats poorly protected. In this first, comprehensive study of this trade, we focused on Kerivoula picta, a Near-Threatened species known for its striking looks. Using semi-automated data mining and manual data collection, we quantified the extent, dynamics and economic value of the trade on Amazon, eBay and Etsy. Of the 856 unique bat listings retrieved, 86% were on Etsy, 25% were for K. picta, and numbers of listings underestimated the number of individuals being traded. Most listings were for entire-body bats displayed in frames, and price (mainly driven by the manner of display) peaked in mid-December. The United States was the dominant destination and vendor country. Seller tactics to attract buyers included false claims of sustainable sourcing and mentions of goth culture and holiday shopping. Overall, our study paints a troubling picture of a trade whose ecological impacts remain unknown (in the absence of population data) but that is likely illegal, unethical and unsustainable and may pose a biosecurity risk. We recommend formal legal protection for K. picta (by inclusion in the Convention on International Trade in Endangered Species), field studies to understand population trends and the supply chain and social pressure to curb demand, including grassroots action and research to understand its effectiveness.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"14 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numbers, densities and distribution of mallards released for shooting in the UK over the last 20 years 过去 20 年英国野鸭的数量、密度和分布情况

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-09 DOI: 10.1007/s10344-024-01826-y

N. J. Aebischer

{"title":"Numbers, densities and distribution of mallards released for shooting in the UK over the last 20 years","authors":"N. J. Aebischer","doi":"10.1007/s10344-024-01826-y","DOIUrl":"https://doi.org/10.1007/s10344-024-01826-y","url":null,"abstract":"Quantifying numbers of birds released for shooting is an important step towards understanding the ecological consequences of releasing. For Mallard, this has become urgent with the recent rise of Highly Pathogenic Avian Influenza (HPAI). By adapting a previous approach to generating UK-level estimates of numbers of huntable birds shot using the Game and Wildlife Conservation Trust’s National Gamebag Census (Aebischer NJ (2019) Fifty-year trends in UK hunting bags of birds and mammals, and calibrated estimation of national bag size, using GWCT’s National Gamebag Census. Eur J Wildl Res 65:64. https://doi.org/10.1007/s10344-019-1299-x), the number of Mallards released annually in the UK rose from 870,000 in 2004 to 1.3 million in 2022. Mallards were shot at just over half of NGC sites; of those a fifth released Mallards for shooting, accounting for 87% of the total Mallard bag in 2022. In that year, mean release size was 792 (median 300) and mean release density was 1.39 birds/ha (median 0.52). One fifth of release sites released over 1000 birds each, mostly in southern England and Scotland, corresponding to just 2% of UK shoots. The low percentage combined with low dispersal of released Mallards suggests that scope for them to spread disease is limited, and that any spread is more likely to occur by infection from and transmission to wild birds on passage than from dispersed released ducks.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"11 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Invasion in cold: weather effects on winter activity of an alien mesopredator at its northern range 寒冷中的入侵：天气对外来中型食肉动物在其北方分布区冬季活动的影响

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-08 DOI: 10.1007/s10344-024-01824-0

Vesa Selonen, Pyry Toivonen, Elina Tuomikoski

{"title":"Invasion in cold: weather effects on winter activity of an alien mesopredator at its northern range","authors":"Vesa Selonen, Pyry Toivonen, Elina Tuomikoski","doi":"10.1007/s10344-024-01824-0","DOIUrl":"https://doi.org/10.1007/s10344-024-01824-0","url":null,"abstract":"Whether an invasive species thrives in cold ecosystems depends on its response to winter weather. A potential threat to these ecosystems in Europe is the invasive raccoon dog (Nyctereutes procyonoides). The survival of this mesopredator is supported in cold weather, because it can periodically use winter sleep, but its winter activity levels compared to native mesopredators remain unclear. We investigated the winter behaviour of raccoon dogs in Finland, near the edge of their invasion front, and compared their activity to native red foxes and badgers. Using wildlife cameras, we found that raccoon dogs do reduce activity during the coldest months, but camera observations did not strongly correlate with temperature perhaps due to feeding at camera sites. That is, artificial food sources may have increased raccoon dogs’ winter activity. Nevertheless, they responded more clearly to temperature drops than red foxes, but were more active than badgers that were mostly dormant and thus absent from our data. GPS-tracked raccoon dogs remained at some level active through winter, even near subarctic regions, but the cold and snowy weather clearly decreased activity and individuals stayed close to their nests during the coldest periods. Overall, these findings suggest that raccoon dogs can maintain some winter activity even in extremely cold environments, and they readily exploit human-provided resources. This potential ability to thrive in cold regions highlights the invasive potential of raccoon dogs. As winters become milder due to climate change, their numbers could increase significantly within cold-adapted ecosystems, impacting native species and posing conservation challenges.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"86 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141567312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The distribution of mountain hares and the possible effects of woodland expansion using the Cairngorm National Park as a case study 以凯恩戈姆国家公园为例研究山兔的分布和林地扩张可能造成的影响

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-05 DOI: 10.1007/s10344-024-01788-1

Scott Newey, Cameron Hubbard, Sam Gibbs, Jim McLeod, Adam Smith, Julie Ewald

{"title":"The distribution of mountain hares and the possible effects of woodland expansion using the Cairngorm National Park as a case study","authors":"Scott Newey, Cameron Hubbard, Sam Gibbs, Jim McLeod, Adam Smith, Julie Ewald","doi":"10.1007/s10344-024-01788-1","DOIUrl":"https://doi.org/10.1007/s10344-024-01788-1","url":null,"abstract":"Woodland expansion is widely promoted to address the effects of climate change and biodiversity loss. Woodland expansion undoubtedly delivers biodiversity and other ecosystem service benefits, but there is debate about where to place extensive new woodland in multi-use landscapes without negatively affecting existing biodiversity, and there is a need to better understand the biodiversity trade-offs associated with woodland expansion. Using the Cairngorm National Park (CNP) in northeast Scotland as a case study, we assessed how proposed woodland expansion targets might affect the distribution of mountain hares, an open moorland species strongly associated with moorland management. Using mountain hare survey, bioclimatic and land use data, we built a Species Distribution Model of mountain hares within the CNP and used this to predict their occurrence under current and proposed woodland expansion scenarios. Simulating the effects of an additional 70 and 350 km2 of new woodland cover showed that combined, these targets would see hares lost from 246 1-km squares, a 7% reduction in their occurrence compared to their 2006/2007 distribution. Changes in hare occurrence were driven by changes in management associated with landcover change more than by landcover change itself. Our results show that afforestation can negatively affect species occurrence directly through changes in landcover, and indirectly through changes in management associated with land landcover change.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"61 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141548515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Updating Swedish hunting harvest estimates of open season game based on new methods and documented data 根据新方法和有记录的数据更新瑞典开放季节猎物的狩猎收成估计值

IF 2 3区生物学

European Journal of Wildlife Research Pub Date : 2024-07-05 DOI: 10.1007/s10344-024-01820-4

Tom Lindström, Paula Jonsson, Felicia Skorsdal, Göran Bergqvist

{"title":"Updating Swedish hunting harvest estimates of open season game based on new methods and documented data","authors":"Tom Lindström, Paula Jonsson, Felicia Skorsdal, Göran Bergqvist","doi":"10.1007/s10344-024-01820-4","DOIUrl":"https://doi.org/10.1007/s10344-024-01820-4","url":null,"abstract":"Reliable hunting bag statistics are central for informed wildlife management. In the absence of complete reporting, hunting harvest must be estimated based on partial data, which requires reliable data and appropriate statistical methods. In the Swedish system, hunting teams, whose positions are known to the level of Hunting Management Precincts (HMPs), report their harvest of open season game and the size of the land on which they hunt, and the harvest on the non-reported area is estimated based on the reports. In this study, we improved data quality by solving several identified issues in the spatial data and provided temporally consistent estimates of huntable land (EHL) based on documented assumptions. We applied a recently developed method, the Bayesian Hierarchical and Autoregressive Estimation of Hunting Harvest (BaHAREHH), to harvest reports of 34 species from 2003–2021, using both previous and updated EHL, and compared harvest estimates to previously available estimates using naïve linear extrapolation (LE), which has been used as Sweden’s official harvest statistics. We found that updating EHL had a minor effect on harvest estimates at the national level but sometimes had a large impact at the level of individual HMPs. At the national level, previous LE estimates were similar to updated BaHAREHH estimates for species harvested at large numbers, but discrepancies were observed for species harvested at low rates. Time series of harvest estimated with LE had exaggerated temporal trends, higher coefficient of variation, and lower autcorrelation. At the level of counties and HMPs, there were substantial differences for all species, with some harvest estimates differing by several orders of magnitude. We conclude that the previously available LE estimates are sensitive to individual reports that add variability to the estimates and are, for some species, unreliable, especially at the level of county and HMP.","PeriodicalId":51044,"journal":{"name":"European Journal of Wildlife Research","volume":"37 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141548524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0