Conservation ecology and mitigation of conflicts between livestock owners and snow leopards (Panthera uncia) DOI Creative Commons
Marc Filla

Published: Jan. 1, 2022

The world is currently facing an accelerated loss of biodiversity, which considered a human-induced mass extinction. Large carnivores face multitude anthropogenic threats and are particularly prone to local extirpation due their biological traits, including low reproductive rates large spatial requirements. These animals play key ecological roles at the top natural food webs high socio-economic relevance, making protection priority in biodiversity conservation. This also applies snow leopard (Panthera uncia), represents predator high-altitude ecosystems Asia, with only about 3,000 mature individuals remaining wild. faces various threats, habitat degradation, exploitation, wild prey depletion, retaliatory killings as consequence livestock depredation. Addressing these requires intensive efforts both international levels leopards occupy vast ranges fragile remote landscapes where depredation poses major obstacle co-existence communities. Moreover, cryptic behaviour, population densities, hardly accessible terrain make monitoring challenging, limiting understanding interactions between leopards, prey, livestock, humans, and, hence, impeding prioritisation management actions. aims this dissertation were evaluate performance current conservation measures targeting its generate more profound knowledge on relationships populations, husbandry. By deducing relevant implications, I intended contribute preservation habitats well long-term big cat communities high-mountain Asia. Chapter 2 attends blue sheep (Pseudois nayaur), representing main Annapurna region elsewhere. medium-sized ungulate common species but increasingly threatened by activities. In spring autumn 2019, my colleagues walked along transects (262.6 km) monitor Manang district Conservation Area. We applied multivariate analyses explore status choice ungulate. Total counts yielded minimum density estimates 6.0–7.8 individuals/km2, quite compared other regions inside outside Nepalese Himalaya roughly fit range before after establishment protected area 1992. According generalised additive models (GAMs), selection was mainly driven elevation vegetation characteristics, while effects variables insignificant. results suggest that has been largely maintained over past 30 years, can be interpreted preliminary success integrated development approach conclusion, our findings indicate potential protect mountain ungulates through approaches. establishing scheme for allow early detection trends potentially time-lagged ongoing tourism 3 examines complex socio-ecological humans landscape region. project team sampled total 82 study units (4 x 4 km cells) Area, wildlife populations (490.8 conducting extensive questionnaire surveys (n = 479 households) quantify 2018 2021. linear (GLMs) suggested strong positive effect relative abundance, increased ruggedness decreased increasing densities human population. Marmot presence related lower goats, attacked most frequently (38.5% events) represented majority killed (68.6%), whereas size holdings seemingly shaped (yak, cattle, horse). insights obtained from stress crucial role highlight importance integrating recovery into plans. They abundance would neither solve nor inflict human-snow conflicts Our call improvement intervention strategies (e.g., predator-proofing corrals optimising daytime herding practices) further exploring secondary like marmots additional interventions mitigation tools. work extends previous significance patterns, supporting managers setting priorities promote focuses patterns attributed husbandry practices reported rates. 2020, conducted detailed interviews 329 owners living Mustang districts Jacob’s selectivity index, sample comparison tests, investigate spatio-temporal variation depredation, assess vulnerability different groups, examine strategies, identify associated two years. respondents cause estimated annual 3.2–3.6% heads mortality (25.4–39.8% all deaths). Corralling during night-time inconsistently not decreases losses. However, some indicated dogs, deterrents (light, dung burning, music playing, flapping tape), applications multiple reduce yaks. To validate findings, we controlled randomised experiments measure effectiveness quantitatively. Finally, application effective practical beyond. PhD extended evidence providing implications wildlife. First, it preserve relatively when agendas. Second, confirmed impact highlighting protecting base, especially considering limited observed Third, showed urgent need improve ones lay foundation co-existence. Based recommend regular schemes elsewhere, detect declines, measures, guide future ecosystems.

Language: Английский

Comparison of two individual identification algorithms for snow leopards (Panthera uncia) after automated detection DOI Creative Commons
Eve Bohnett, Jason Holmberg,

Sorosh Poya Faryabi

et al.

Ecological Informatics, Journal Year: 2023, Volume and Issue: 77, P. 102214 - 102214

Published: July 18, 2023

Photo-identification of individual snow leopards (Panthera uncia) is the primary data source for density estimation via capture-recapture statistical methods. To identify in camera trap imagery, it necessary to match individuals from a large number images multiple cameras and historical catalogues, which both time-consuming costly. The camouflaged also make difficult machine learning classify photos, as they blend so well with surrounding mountain environment, rendering applicable software solutions unavailable species. potentially leopard identification available an artificial intelligence (AI) interface, we first trained evaluated image classification techniques convolutional neural network, pose invariant embeddings (PIE) (a triplet loss network), compared accuracy PIE that HotSpotter algorithm SIFT-based algorithm). Data were acquired curated library free-ranging taken Afghanistan between 2012 2019 captive animals zoos Finland, Sweden, Germany, United States. We discovered several flaws initial model, such small amount background matching, was addressed, albeit likely not fixed, using subtraction (BGS) left-right mirroring (LR) demonstrated reasonable (Rank 1: 74% Rank-5: 92%) comparable Hotspotter results Rank 2: 84%)The BGS LR conjunction Hotspotter, yielded following results: Rank-1: 85%, 95%, Rank-20: 99%. In general, our findings indicate LR, HotSpotter, can more accurately than either alone.

Language: Английский

Citations

8

Genetic diversity and spatial structures of snow leopards (Panthera uncia) reveal proxies of connectivity across Mongolia and northwestern China DOI
Charlotte Hacker, Luciano Atzeni, Bariushaa Munkhtsog

et al.

Landscape Ecology, Journal Year: 2022, Volume and Issue: 38(4), P. 1013 - 1031

Published: Dec. 24, 2022

Language: Английский

Citations

12

Evidence of spatial genetic structure in a snow leopard population from Gansu, China DOI Open Access
Luciano Atzeni, Samuel A. Cushman, Jun Wang

et al.

Heredity, Journal Year: 2021, Volume and Issue: 127(6), P. 522 - 534

Published: Nov. 6, 2021

Language: Английский

Citations

14

Landscape resistance to gene flow in a snow leopard population from Qilianshan National Park, Gansu, China DOI
Luciano Atzeni, Jun Wang, Philip Riordan

et al.

Landscape Ecology, Journal Year: 2023, Volume and Issue: 38(7), P. 1847 - 1868

Published: May 2, 2023

Language: Английский

Citations

4

Extreme in Every Way: Exceedingly Low Genetic Diversity in Snow Leopards Due to Persistently Small Population Size DOI Open Access
Katherine A. Solari, Simon Morgan, Andrey Poyarkov

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 15, 2023

Abstract Snow leopards ( Panthera uncia ) serve as an umbrella species whose conservation benefits their high-elevation Asian habitat. Their numbers are believed to be in decline due numerous Anthropogenic threats; however, is hindered by knowledge gaps. They the least studied genetically of all big cat with more learn regarding population structure, historical size, and current levels genetic diversity. Here, we use whole-genome sequencing data for 41 snow (37 newly sequenced) offer new insights into these unresolved questions. Among our samples, find evidence a primary divide between northern southern part range around Dzungarian Basin, previously identified, secondary south Kyrgyzstan Taklamakan Desert. Most noteworthy, that have lowest diversity any species, persistently small size (relative other species) throughout evolutionary history rather than recent inbreeding. Without large or ample standing variation help buffer them from forthcoming challenges, leopard persistence may tenuous currently appreciated.

Language: Английский

Citations

4

Geospatial assessment of climate and human pressure on Snow Leopard habitat in the Trans-Himalayan region of Pakistan DOI Creative Commons

Um e Hani,

Shiekh Marifatul Haq, Rabia Shabbir

et al.

Global Ecology and Conservation, Journal Year: 2024, Volume and Issue: 53, P. e03024 - e03024

Published: June 13, 2024

Reliable estimates of how human activities may affect wildlife populations are critical for making scientifically sound resource management decisions. A significant issue in estimating the consequences management, development, or conservation measures is need to account a variety biotic and abiotic factors, such as land use climate change, that interact over time altering habitats populations. The snow leopard Panthera uncia (Schreber, 1775), vulnerable species, extremely sensitive indirect impacts change. Given it highly difficult undertaking on entire range leopards, identifying hotspots necessary. This study was conducted Bagrot Haramosh valleys, Trans-Himalayan region, evaluate pressure habitat. Hybrid classification Landsat satellite data 2010 2020 performed elucidate changes suggested decrease permanent by 10 % 3 while an increase settlements cover 16 23 %, respectively. Life zone comparison using Holdridge life (HLZ) system disclosed change from three zones five Haramosh, four Bagrot, caused temperature 2°C 3°C, indicating area becoming more suitable less favorable leopards. underlines again mountainous regions Warming weather survival Although they resilient direct effects like avalanches, flash floods, urbanization, human-wildlife conflict make them threaten their survival. Thus, we recommend establishing further protected areas, better controlling illegal trade, conducting genetic studies understand leopards rangeland livelihood improvement, reductions.

Language: Английский

Citations

1

Snow leopard phylogeography and population structure supports two global populations with single refugial origin DOI Creative Commons
Imogene A. Cancellare, Byron Weckworth, Anthony Caragiulo

et al.

Biodiversity and Conservation, Journal Year: 2024, Volume and Issue: 33(14), P. 3961 - 3979

Published: Oct. 12, 2024

Abstract Snow leopards ( Panthera uncia ) inhabit the mountainous regions of High Asia, which experienced serial glacial contraction and expansion during climatic cycles Pleistocene. The corresponding impacts vicariance may have alternately promoted or constrained genetic differentiation to shape distribution lineages population structure. We studied snow leopard phylogeography across Asia by examining range-wide historical contemporary structure with mitochondrial DNA microsatellite markers. genotyped 182 individuals from range sequenced portions mitogenome in a spatially stratified subset 80 infer biogeographic patterns diversity. observed lack phylogeographic structure, analyses suggested single refugial origin for all sampled populations. Molecular data provided tentative evidence hypothesized refugia Tian Shan-Pamir-Hindu Kush-Karakoram mountain ranges, detected mixed signatures expansion. Concordant assessments indicated two global populations, though we geographic differences between connectivity inferred data, respectively. Using largest sample size coverage date, demonstrate novel information on history leopards, corroborate existing interpretations recommend that conservation efforts incorporate define protect meaningful units their underlying diversity, maintain leopard’s adaptive potential continued resilience environmental changes.

Language: Английский

Citations

1

Mitochondrial genomes reveal low genetic diversity in snow leopards DOI
Shiqing Wang, Haimeng Li, Yinping Tian

et al.

Conservation Genetics, Journal Year: 2024, Volume and Issue: 26(1), P. 139 - 151

Published: Nov. 8, 2024

Language: Английский

Citations

1

Conservation genetics of snow leopards DOI
Charlotte Hacker,

Imogene Cancellare,

Jan E. Janečka

et al.

Elsevier eBooks, Journal Year: 2023, Volume and Issue: unknown, P. 401 - 414

Published: Oct. 20, 2023

Language: Английский

Citations

1

Short Blankets in Snow Leopard Conservation: The Case of Qilianshan National Park (China) and Surrounding Areas DOI Creative Commons
Luciano Atzeni, Jun Wang, Philip Riordan

et al.

Research Square (Research Square), Journal Year: 2022, Volume and Issue: unknown

Published: March 3, 2022

Abstract Context The assessment of landscape-level connectivity patterns is centrally important to the conservation management wildlife species. This especially true for highly vagile carnivore species, which efforts should extend beyond protected areas and link core populations. Objectives We investigated effectiveness Qilianshan National Park (China), across provinces Gansu Qinghai, in providing adequate snow leopard habitat major dispersal routes. Methods coupled resistant kernel factorial least-cost path analyses identify home-range corridors connecting them. compared two resistance surfaces derived from genetic models their ability describe ranked based on intensity movement flow. Results Much extent patches, a vast proportion length area, were located outside Park. identified critical area range-wide connected park but not formally protected. patches representing backbone stepping-stone ensuring landscape structural functional connectivity. Conclusions effectively protects some habitats. However, it alone appears insufficient cover several number linkages. In context meta-population persistence Tibetan Plateau facilitate gene flow, expand institute new strategically conserve provide linkages among

Language: Английский

Citations

1