Applying a Random Encounter Model to Estimate the Asiatic Black Bear (Ursus thibetanus) Density from Camera Traps in the Hindu Raj Mountains, Pakistan

Biology, Год журнала: 2024, Номер 13(5), С. 341 - 341

Опубликована: Май 14, 2024

Estimating the population density of vulnerable species, such as elusive and nocturnal Asiatic black bear (Ursus thibetanus), is essential for wildlife conservation management. We used camera traps a Random Encounter Model (REM) to estimate U. thibetanus during autumn winter seasons in Hindu Raj Mountains. installed 23 from October December 2020 acquired 66 independent pictures bears over 428 trap nights. Our results showed that preferred lowland areas with presence Quercus spp. estimated, using REM, 1.875 (standard error = 0.185) per square kilometer, which significantly higher than other habitats. winter, tends concentrate at lower elevations. Forest cover positive correlation rates encounters unlike Euclidean distance human settlements, altitude, aspect variables. The approaches here are cost-effective estimating rare species thibetanus, can be their Pakistan. Population estimation identify where live human–bear conflicts occurred use this information future management plans.

Язык: Английский

---

Climate change and household food security in the Himalayas: A systematic review of the challenges and household adaptative measures

Environmental Development, Год журнала: 2024, Номер 51, С. 101019 - 101019

Опубликована: Июнь 7, 2024

Язык: Английский

---

Projections of future bioclimatic indicators using bias-corrected CMIP6 models: a case study in a tropical monsoon region

Environmental Science and Pollution Research, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 14, 2024

Язык: Английский

---

Conservation Challenges and Adaptation Strategies for Indian Himalayan Biodiversity in a Changing Climate

Environmental science and engineering, Год журнала: 2025, Номер unknown, С. 179 - 224

Опубликована: Янв. 1, 2025

Язык: Английский

---

Asiatic black bear in Pakistan: a comprehensive review and conservation indications

Mammalian Biology, Год журнала: 2025, Номер unknown

Опубликована: Фев. 19, 2025

Язык: Английский

---

Climate‐Driven Range Shifts and Conservation Challenges for Brown Bears in Türkiye

Ecology and Evolution, Год журнала: 2025, Номер 15(4)

Опубликована: Апрель 1, 2025

ABSTRACT Understanding the current and future distribution of wildlife species is crucial for effective conservation planning, particularly in face climate change increasing anthropogenic pressures. This study aims to assess potential brown bears across Türkiye both presently, by 2050 2070, considering various scenarios, evaluating habitat vulnerability, reassessing effectiveness protected areas. Using an ensemble forecasting approach, we modeled bears' suitability, incorporating 608 occurrence records along with bioclimatic, topographic, predictors under scenarios. Our model estimates that approximately 17.3% (135,556 km 2 ) currently offers suitable highest suitability found Euro‐Siberian (46%), Irano‐Turanian (43%), Mediterranean (11%) biogeographic regions. The results indicate combined pressures, expected reduce bear 40%–48% 2050, 40%–67% 2070 A significant contraction range, a northward shift habitats, projected, reflecting broader impacts climate. Additionally, habitats estimated be strongly influenced changes altitude. proportion protection projected decline from 21.4% 15%–16.1% further 11.3%–15.9% depending on scenario. These findings highlight need targeted strategies address emerging gap Mediterranean, Irano‐Turanian, Enhancing connectivity between fragmented status areas are critical actions safeguard population Türkiye. underscores pressing challenges strategic opportunities securing

Язык: Английский

---

Integrating MaxEnt and InVEST modeling methods to identify priority areas for the conservation of emblematic and endemic wildlife in the Peruvian Tropical Andes

Global Ecology and Conservation, Год журнала: 2025, Номер unknown, С. e03626 - e03626

Опубликована: Май 1, 2025

Язык: Английский

---

Evaluating the Effects of Climate Change on Thermal Bioclimatic Indices in a Tropical Region Using Climate Projections from the Bias-Corrected CMIP6 Model

Earth Systems and Environment, Год журнала: 2023, Номер 7(4), С. 699 - 722

Опубликована: Ноя. 27, 2023

Язык: Английский

---

Changes in habitat suitability and population size of the endangered Przewalski's gazelle

Global Ecology and Conservation, Год журнала: 2023, Номер 43, С. e02465 - e02465

Опубликована: Апрель 6, 2023

Habitat loss and degradation has become one of the greatest threats to global biodiversity. To protect threatened species, it is essential explore spatial-temporal dynamics its habitat suitability, i.e. extent how quality suitable for species. The Przewalski's gazelle Procapra przewalskii a rare endangered ungulate endemic Qinghai-Tibet Plateau in China. Its historical distribution range covered large area western China, but had shrunk several fragmented areas around Qinghai Lake during 20th century. Along with environment changes economic development current range, population size may undergo related changes, which should be studied based on rigorous comparisons. In this study, we conducted field surveys two periods, from 2009 2011 2020 2021, quantify gazelle, used MaxEnt models assess change suitability. We found that overall species increased 1544 4078, declines some subpopulations. subpopulation could generally suitability exhibited an decline improvement northern side Lake. Among environmental variables, distance nearest railways highways, arable lands, NDVI, DEM were key factors affecting gazelle. effectively wild populations suggest continuously monitoring trends all subpopulations critical habitats, constructing ecological corridors, improving conservation systems.

Язык: Английский

---

Predicting the potential impacts of climate change on the endangered endemic annonaceae species in east africa

Heliyon, Год журнала: 2023, Номер 9(6), С. e17405 - e17405

Опубликована: Июнь 1, 2023

Globally, endemic species and natural habitats have been significantly impacted by climate change, further considerable impacts are predicted. Therefore, understanding how change can aid in advancing the necessary conservation initiatives. The use of niche modeling is becoming a popular topic biological to forecast changes distributions under various scenarios. This study used Australian Community Climate Earth System Simulator version 1 (ACCESS-CM2) general circulation model coupled intercomparison project phase 6 (CMIP6) current distribution suitable habitat for four threatened Annonaceae East Africa (EA), determine impact on their years 2050 (average 2041-2060) 2070 2061-2080). Two shared socio-economic pathways (SSPs) SSP370 SSP585 were contraction expansion Uvariodendron kirkii, Uvaria dzomboense Asteranthe asterias Kenya Tanzania EA. all highly influenced precipitation, temperature, environmental factors (population, potential evapotranspiration, aridity index). Although loss original anticipated be significant, appropriate projections species. More than 70% 40% dzombense kirkii predicted destroyed respectively. Based our research, we suggest that areas expected shrink owing classified as important protection zones preservation

Язык: Английский

---