Overview of modeling techniques for ecological Connectivity in heterogeneous landscape DOI Creative Commons
Amrapali Tiwari,

Sameer Saran,

Kirti Avishek

et al.

Research Square (Research Square), Journal Year: 2023, Volume and Issue: unknown

Published: Feb. 3, 2023

Abstract Ecological connectivity in a landscape is one of the crucial factors for biodiversity conservation. Especially case large mammals like top carnivores. Frequent environmental changes have resulted isolated world’s wildlife population which leads to increased pace loss. Moreover, Increased human inhabitants and shift towards edge forests provides animals with very less or no scope living wilderness. As result, ecological analysis planning are integral part another. This paper reviews available techniques quantifying dispersal landscape. A critical thorough review theories wide range methods, tools corridor conservation scenario done this paper. It also compiles various approach utilized globally. An exhaustive discussion on modeling such as graph theoretic approaches (least cost path analysis, network etc), circuit approaches, agent based models machine learning compiled improved decision making.

Language: Английский

Identifying Human–Tiger Conflict Risk and Priority Management Areas in Laoyeling, Northeast China DOI Creative Commons
Yongchao Jin, Yuxiang Liang,

Mingyuan Yao

et al.

Wildlife Letters, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 16, 2025

ABSTRACT Realizing coexistence between humans and tigers is an important initiative of tiger recovery in the world. To define priority management areas (PMAs) to mitigate human–tiger conflict (HTC) Laoyeling, where 90% China's Amur population living, we analyzed distribution habitat HTC risk, delineated PMAs for mitigation. The results indicated that 26.77% (1851 km 2 ) Laoyeling most suitable tiger. high‐risk area covers 1173 , which 413 Among six PMAs, 374 1398 are located outside protected need strengthen conservation management. Our research can contribute improving effectiveness promoting China.

Language: Английский

Citations

1
Spatial conservation prioritization for locating protected area gaps in Iran DOI
Azadeh Karimi,

Hossein Yazdandad,

April E. Reside

et al.

Biological Conservation, Journal Year: 2023, Volume and Issue: 279, P. 109902 - 109902

Published: Jan. 27, 2023

Language: Английский

Citations

15
Assessment of Habitat Suitability and Potential Corridors for Bengal Tiger (Panthera tigris tigris) in Valmiki Tiger Reserve, India, Using MaxEnt Model and Least-Cost Modeling Approach DOI

Roshani Singh,

Md Hibjur Rahaman, Md Masroor

et al.

Environmental Modeling & Assessment, Journal Year: 2024, Volume and Issue: 29(2), P. 405 - 422

Published: March 22, 2024

Language: Английский

Citations

5
The genetic status and rescue measure for a geographically isolated population of Amur tigers DOI Creative Commons
Ning Yao, Dongqi Liu, Jiayin Gu

et al.

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: April 6, 2024

Abstract The Amur tiger is currently confronted with challenges of anthropogenic development, leading to its population becoming fragmented into two geographically isolated groups: smaller and larger ones. Small populations frequently face a greater extinction risk, yet the small population’s genetic status survival potential have not been assessed. Here, total 210 samples suspected feces were collected from this population, background potentials assessed by using 14 microsatellite loci. Our results demonstrated that mean number alleles in all loci was 3.7 expected heterozygosity 0.6, indicating comparatively lower level diversity compared previously reported studies on other subspecies. estimates effective size ( Ne ) Ne/N ratio merely 7.6 0.152, respectively, representing values comparison Sikhote-Alin (the group). However, multiple methods indicated possibility divergence within our under study. Meanwhile, maximum kinship recorded 0.441, inbreeding coefficient stood at 0.0868, both which are higher than those observed endangered species, such as African lion grey wolf. Additionally, we identified significant risk future if lethal equivalents reach 6.26, large carnivores. Further, simulation an increase breeding females would enhance prospects population. In summary, findings provide critical theoretical basis for further bailout strategies concerning tigers.

Language: Английский

Citations

5
Mapping the biodiversity conservation gaps in the East China sea DOI
Zihan Wang, Cong Zeng, Ling Cao

et al.

Journal of Environmental Management, Journal Year: 2023, Volume and Issue: 336, P. 117667 - 117667

Published: March 4, 2023

Language: Английский

Citations

13
Spatial Heterogeneity of Habitat Selection of Large Carnivores and Their Ungulate Prey in Proximity to Roads DOI Creative Commons

Xuankai Liang,

Zexu Long, Shiyu Chen

et al.

Ecology and Evolution, Journal Year: 2025, Volume and Issue: 15(2)

Published: Feb. 1, 2025

ABSTRACT Geographic heterogeneity, encompassing both species‐environment interactions and interspecific relationships, significantly influences the ecological attributes of wildlife habitat selection population distribution. However, impact geographic heterogeneity on distribution target species within predator–prey systems, particularly in human‐dominated landscapes, remains unclear. By conducting line transect surveys, utilizing a monitoring network, applying logistic geographically weighted regression (GWR) conjunction with generalized linear models (GLM), we examined spatial by Amur tiger, leopard, their main ungulate prey, wild boar roe deer, Northeast China. Our results suggest that factors affecting predators are more complex than those for prey. More significantly, coefficients deer certain serve as crucial explanatory variables tiger leopard models. findings emphasize importance non‐stationarity selections, heterogeneous prey may drive dispersals large felids across road landscapes. This study offers new insights into how to help apex cross barriers effectively managing landscape dominated roads, providing valuable guidance future conservation policies.

Language: Английский

Citations

0
Multi-scale habitat selection and constraints of a small Asian elephant population in Yunnan Nangunhe National Nature Reserve, China DOI Creative Commons
Jingshan Wang, Li Xu,

Wenguang Duan

et al.

Global Ecology and Conservation, Journal Year: 2025, Volume and Issue: unknown, P. e03616 - e03616

Published: May 1, 2025

Language: Английский

Citations

0
Effects of climate and land‐cover change on the conservation status of gibbons DOI
Li Yang, Tao Chen, Kai‐Chong Shi

et al.

Conservation Biology, Journal Year: 2022, Volume and Issue: 37(1)

Published: Dec. 13, 2022

Abstract Species shift their distribution in response to climate and land‐cover change, which may result a spatial mismatch between currently protected areas (PAs) priority conservation (PCAs). We examined the effects of change on potential range gibbons sought identify PCAs that would conserve them effectively. collected global gibbon occurrence points modeled (ecological niche model) current 2050s ranges under climate‐change different land‐cover‐change scenarios. PA coverage future each species. applied prioritization top 30% for then determined how much are conserved country within gibbons. On average, 31% (SD 22) species’ was covered PAs. 9 species <30%. Nine lost average 46% 29) due change. Under with an optimistic scenario (B1), 12 39% 28) range. In pessimistic (A2), 15 36% Five significantly more A2 than B1 ( p = 0.01, SD 0.01), suggesting will benefit from effective management land cover. <30% 11 32% 25) were by Indonesia contained thus has greatest responsibility conservation. Indonesia, India, Myanmar need expand PAs fulfill Our results provide baseline conservation, particularly countries lacking research capacity.

Language: Английский

Citations

11
Revealing extensive inbreeding and less-efficient purging of deleterious mutations in wild Amur tigers in China DOI Creative Commons
Tianming Lan, Haimeng Li,

Boyang Liu

et al.

Journal of genetics and genomics/Journal of Genetics and Genomics, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 1, 2024

Inbreeding increases genome homozygosity within populations, which can exacerbate inbreeding depression by exposing homozygous deleterious alleles that are responsible for declines in fitness traits. In small genetic purging occurs under pressure of natural selection acts as an opposing force, contributing to a reduction alleles. Both and paramount the field conservation genomics. The Amur tiger (Panthera tigris altaica) lives populations forests Northeast Asia is among most endangered animals on planet. Using genome-wide assessment comparison, we reveal substantially higher more extensive wild tigers (F

Language: Английский

Citations

2
Conservation potentials and limitations of large carnivores in protected areas: A case study in Northeast China DOI Creative Commons
Dusu Wen, Jinzhe Qi, Zexu Long

et al.

Conservation Science and Practice, Journal Year: 2022, Volume and Issue: 4(6)

Published: April 14, 2022

Abstract Protected areas are considered the cornerstone of endangered wildlife conservation. However, quantified conservation potentials and limitations large carnivores in protected lacking. In Northeast Tiger Leopard National Park (NTLNP) China, our camera trap survey 2019 found 26–27 adult Amur tigers 49–59 leopards occurring park. Based on spatial area, current prey populations, environmental carrying capacity prey, we estimated supportable number to be 55, 90, 101 individuals, respectively. For leopard, these values were 95, 356, 572, Further simulations indicated that human land use change scenarios did not contribute much increasing potential prey‐supportable populations tiger leopard. Our results showed NTLNP is currently low has a high recovery potential. even highest population enough support sustainable existence an population. Therefore, suggest that, addition further restoration improvement habitat quality NTLNP, managers should strengthen connectivity between other patches form well‐connected network areas. Promoting spread outwards from this source through ecological corridor construction would enlarge area crucial measure for realizing survival China.

Language: Английский

Citations

10