Predator in proximity: how does a large carnivore respond to anthropogenic pressures at fine-scales? Implications for interface area management DOI Creative Commons
Manu Mohan, Sambandam Sathyakumar, Ramesh Krishnamurthy

et al.

PeerJ, Journal Year: 2024, Volume and Issue: 12, P. e17693 - e17693

Published: July 10, 2024

Driven by habitat loss and fragmentation, large carnivores are increasingly navigating human-dominated landscapes, where their activity is restricted behaviour altered. This movement, however, raises significant concerns costs for people living nearby. While intricately linked, studies often isolate human carnivore impacts, hindering effective management efforts. Hence, in this study, we brought these two into a common framework, focusing on an interface area between the critical tiger multiple-use buffer of central Indian protected area.

Language: Английский

Risky behavior of Asian black bears differs between sex and season in a landscape fragmented by roads DOI Creative Commons
Seung‐Yun Baek,

Andreas Zedrosser,

Koji Yamazaki

et al.

Journal of Zoology, Journal Year: 2025, Volume and Issue: unknown

Published: April 22, 2025

Abstract Understanding the trade‐off between resource acquisition and risk avoidance is crucial in behavioral ecology. Differences parental investment reproductive success males females can result intersexual variations risk‐taking. Roads, a major cause of habitat fragmentation, pose significant mortality risks to animals. We investigated sex seasonal differences road‐crossing behavior home ranges Asian black bears ( Ursus thibetanus ), as an example risk‐taking mammals fragmented landscape, Ashio‐Nikko Mountains, Japan, from 2005 2023. Using GPS relocation data, we analyzed frequency road crossings range sizes applied integrated step selection analysis assess relation sex, season, type, time day. Bears generally avoided crossing roads, indicating that roads act movement barriers. During mating crossed all types had larger ranges, whereas did not cross main minor roads. hyperphagia both sexes compared season. Our findings suggest sex‐ season‐specific relates mate food acquisition: take more search for mates during season females. gated most frequently, followed by with occurring often at night than day across types. These results perceive respond differently which are linked level human activity.

Language: Английский

Citations

0
Energetics‐based connectivity mapping reveals new conservation opportunities for the endangered tiger in Nepal DOI Creative Commons
Neil Carter, Emilio Berti, Amelia Zuckerwise

et al.

Animal Conservation, Journal Year: 2024, Volume and Issue: 27(5), P. 639 - 647

Published: March 5, 2024

Abstract Enhancing habitat connectivity is a key strategy for conserving endangered species in anthropogenic landscapes. However, planning often overlooks the crucial energetic costs to animals of traversing complex terrains. We applied novel approach estimating energy movement tigers – globally species. used those estimates calculate landscape these across extreme altitudinal gradient Nepal, where recent sightings at higher elevations (~3200 m) suggest an upward range expansion from tiger‐rich lowlands. To evaluate our estimates, we simulated tiger routes higher‐elevation locations and compared modeled ascents derived previous model calibrated with data GPS‐collared Russia. In areas below 3200 m, found about 7.5 times greater land high outside protected (~51 000 km 2 ) than inside (~6800 ). most highly connected m consist croplands (56%). Importantly, community‐managed forests, which spanned gradient, tended include moderate levels connectivity. Our Russia showed strong consensus ( ρ = 0.70, P < 0.05), ours better capturing mountains very large total ascents. results show that while barriers Nepal are ubiquitous, other effective area‐based conservation measures (OECMs), like can play prominent roles promoting minimizing human–tiger conflict also underscore utility integrating first principles efficiency into analyses planning.

Language: Английский

Citations

2
Lockdown’s Silver Lining? Different Levels of Roadkill during the COVID-19 Times in Lithuania DOI Creative Commons
Linas Balčiauskas,

Jos Stratford,

Andrius Kučas

et al.

Animals, Journal Year: 2023, Volume and Issue: 13(18), P. 2918 - 2918

Published: Sept. 14, 2023

The impact of COVID-19 restrictions on human and vehicular mobility the number roadkills wild mammals, roe deer in particular, was assessed Lithuania. We statistically analyzed distribution all mammals (Capreolus capreolus) as most abundant species annually from 2002 to 2022 monthly 2020 2021, including during two restriction periods. Notably, there a marked decrease roadkill incidents main, national regional roads, particularly April-May (the beginning lockdown period I) November-December II), 5.1-20.8% 33.6-54.4%, respectively. During these months, collisions with A14 main road were reduced by 75-90%. However, significant increase urban areas, resulting total mammal-vehicle deer-vehicle 2021 being higher than expected based long-term trends. after eased, collision numbers wildlife roads increased again became expected.

Language: Английский

Citations

4
What factors drive wildlife-vehicle collisions on highways? A case study from Western Nepal DOI

Kritana Bhandari,

Suraj Upadhaya,

Nabin Kumar Yadav

et al.

Journal for Nature Conservation, Journal Year: 2024, Volume and Issue: 81, P. 126678 - 126678

Published: June 17, 2024

Language: Английский

Citations

0
Predator in proximity: how does a large carnivore respond to anthropogenic pressures at fine-scales? Implications for interface area management DOI Creative Commons
Manu Mohan, Sambandam Sathyakumar, Ramesh Krishnamurthy

et al.

PeerJ, Journal Year: 2024, Volume and Issue: 12, P. e17693 - e17693

Published: July 10, 2024

Driven by habitat loss and fragmentation, large carnivores are increasingly navigating human-dominated landscapes, where their activity is restricted behaviour altered. This movement, however, raises significant concerns costs for people living nearby. While intricately linked, studies often isolate human carnivore impacts, hindering effective management efforts. Hence, in this study, we brought these two into a common framework, focusing on an interface area between the critical tiger multiple-use buffer of central Indian protected area.

Language: Английский

Citations

0