Landscape‐level habitat connectivity of large mammals in Chitwan Annapurna Landscape, Nepal DOI Creative Commons
Jagan Nath Adhikari, Bishnu Prasad Bhattarai, Suraj Baral

и другие.

Ecology and Evolution, Год журнала: 2024, Номер 14(8)

Опубликована: Авг. 1, 2024

Abstract The populations of many species large mammals occur in small isolated and fragmented habitat patches the human‐dominated landscape. Maintenance connectivity landscapes is important for maintaining a healthy population mammal. This study evaluated landscape their linkages on two carnivores (leopard Himalayan black bear) seven prey (northern red muntjac, chital, sambar, wild pig, goral, rhesus macaque, langur) between Chitwan National Park (CNP) Annapurna Conservation Area (ACA) by using least‐cost path (LCP) approach Linkage Mapper tool ArcGIS. A total 15 (average area 26.67 ± 12.70 km 2 ) were identified that had more than 50% studied mammals. weak relation among was found chital sambar (Cost‐weighted distance [CWD]: Euclidean EucD >100), showed poor patches, while ratio CWD low (i.e., LCP) majority pig leopard hence potential functional along Similarly, LCP located mid‐hills observed goral bear. Furthermore, multi‐species analysis structural patches. Therefore, these sites need to be considered hotspots prioritized conservation

Язык: Английский

Comparison of habitat suitability and connectivity modelling for three carnivores of conservation concern in an Iranian montane landscape DOI
Alireza Mohammadi, Kamran Almasieh, Danial Nayeri

и другие.

Landscape Ecology, Год журнала: 2022, Номер 37(2), С. 411 - 430

Опубликована: Янв. 28, 2022

Язык: Английский

Процитировано

50
Species distribution modelling and landscape connectivity as tools to inform management and conservation for the critically endangered Himalayan brown bear (Ursus arctos isabellinus) in the Deosai National Park, Pakistan DOI Creative Commons

Tosif Fida,

Alireza Mohammadi, Kamran Almasieh

и другие.

Frontiers in Ecology and Evolution, Год журнала: 2025, Номер 12

Опубликована: Янв. 13, 2025

The main cause of the global threat to large carnivore populations living in high-altitude areas is human pressure. Himalayan brown bear ( Ursus arctos isabellinus , hereafter bear) listed as a critically endangered species, and it dominates higher altitudes North Western landscapes. Here, we used species distribution modelling landscape connectivity find bears’ suitable habitats corridors Deosai National Park (DNP) surrounding areas. Species models detected bear’s habitat 1,125 km 2 which ca. 73% was covered by DNP. most crucial predictors determining were elevation—particularly if between 3,500 4,500 meters above sea level—as well distance from rivers, cattle, DNP borders. We discovered robust among presence points core study area, particularly within boundaries, using electrical circuit theory models. Landscape values indeed low some outside close confines. Based on our findings, imperative protect that allow bears migrate patches, beyond park’s improve conservation.

Язык: Английский

Процитировано

1
Ungulates conservation in the face of human development: Mining and roads' influences on habitat and connectivity in Iran's central plateau DOI Creative Commons
Alireza Mohammadi, Kamran Almasieh, Somaye Vaissi

и другие.

Ecological Informatics, Год журнала: 2024, Номер 81, С. 102656 - 102656

Опубликована: Май 29, 2024

Язык: Английский

Процитировано

8
Habitat suitability and connectivity implications for the conservation of the Persian leopard along the Iran–Iraq border DOI Creative Commons
Shahram Kaboodvandpour, Kamran Almasieh, Navid Zamani

и другие.

Ecology and Evolution, Год журнала: 2021, Номер 11(19), С. 13464 - 13474

Опубликована: Авг. 30, 2021

Abstract Habitat fragmentation has major negative impacts on wildlife populations, and the connectivity could reduce these impacts. This study was conducted to assess habitat suitability structural of Persian leopard along Iran–Iraq border (i.e., Zagros Mountains) compare situation identified core habitats with existing conservation areas (CAs). An ensemble modeling approach resulting from five models used predict suitability. To identify corridors border, factorial least‐cost path analyses were applied. The results revealed that topographic roughness, distance CAs, annual precipitation, vegetation/cropland density, rivers most influential variables for predicting occurrence in area. By an estimated dispersal 82 km (suggested by previous studies), three (two cores Iran one Iraq). largest located south center area, which had highest priorities. maintained within Iraqi side. Only about one‐fifth detected relative protected CAs Detected this be appropriate road map accomplish network regarding conservation. Establishing transboundary particularly is strongly recommended conserve large carnivores, including leopard.

Язык: Английский

Процитировано

40
Identifying core habitats and corridors of a near threatened carnivore, striped hyaena (Hyaena hyaena) in southwestern Iran DOI Creative Commons
Kamran Almasieh, Alireza Mohammadi,

Rahim Alvandi

и другие.

Scientific Reports, Год журнала: 2022, Номер 12(1)

Опубликована: Март 2, 2022

Abstract Conservation of large carnivores requires preservation extensive core habitats and linkages among them. The goal this study was to identify corridors by predicting habitat suitability (an ensemble approach), calculating resistant kernel factorial least-cost path modeling for a relatively unknown carnivore, the striped hyaena in Khuzestan area southwestern Iran. We used procedure spatial randomization test evaluate coincidence road crossing with predicted corridors. results revealed that elevation, distance conservation areas, categorical climate grasslands density were most influential variables occurrence area. In estimated dispersal 70 km, four identified. largest located northeast highest connectivity contribution. Only about 12% 1.5% protected respectively. Predicted corridors, crossed roads represented high risk hyaenas. Adaptive management plan throughout landscape (conservation reducing species mortality on roads) must be considered wildlife managers

Язык: Английский

Процитировано

27
Quantitative assessment of the risk of human activities on landscape fragmentation: A case study of Northeast China Tiger and Leopard National Park DOI
Xiaoyu Zhang,

Xiaogang Ning,

Hao Wang

и другие.

The Science of The Total Environment, Год журнала: 2022, Номер 851, С. 158413 - 158413

Опубликована: Авг. 30, 2022

Язык: Английский

Процитировано

25
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

и другие.

Environmental Modeling & Assessment, Год журнала: 2024, Номер 29(2), С. 405 - 422

Опубликована: Март 22, 2024

Язык: Английский

Процитировано

5
Quantifying Landscape Degradation Following Construction of a Highway Using Landscape Metrics in Southern Iran DOI Creative Commons
Alireza Mohammadi,

Faezeh Fatemizadeh

Frontiers in Ecology and Evolution, Год журнала: 2021, Номер 9

Опубликована: Дек. 6, 2021

Rapid expansion of roads is among the strongest drivers loss and degradation natural habitats. The goal present study to quantify landscape fragmentation before after construction Isfahan-Shiraz highway in southern Iran. To this end, ecological impacts on forests, rangelands, protected areas were evaluated. Impacts studied within a 1,000-m buffer around road, which was then overlaid maps areas. Class area, number patches, largest patch index, edge density, shape mean size, cohesion index used gauge changes spatial configuration landscape; quantified using effective mesh size (MESH), division splitting index. results indicated that highway, 6,406.9 ha forest habitat, 16,647.1 rangeland 912 Tang-e Bostanak Protected Area will be lost. MESH metric showed area forest, habitats decrease by 20,537, 49,149, 71,822 ha, respectively. Our findings revealed drastic habitat associated with serving as references for conservation planning development.

Язык: Английский

Процитировано

26
Habitat suitability, core habitats and diversity hotspots for the conservation of the mustelid species in Iran DOI Creative Commons
Kamran Almasieh, Mitra Cheraghi

Global Ecology and Conservation, Год журнала: 2022, Номер 36, С. e02120 - e02120

Опубликована: Апрель 11, 2022

The process of habitat loss and fragmentation is inevitable with increasing human activities, necessitating conservation for the areas highest priorities (i.e., biodiversity hotspots). This study aimed to predict core habitats eight mustelid species (family: Mustelidae) in Iran detect diversity hotspots based on richness these compare them available (CAs). Accordingly, suitability modeling was carried out each through an ensemble approach, were determined by overlaying predicted habitats. results revealed that six overlaid map modeled main along Alborz Mountains Hyrcanian forest northern Iran. There some other Zagros western CAs protected less than half hotspots, which means wildlife managers should take into consideration action plan Besides, it necessary expand or establish new-targeted according hotspots.

Язык: Английский

Процитировано

18
Identifying core habitats and connectivity paths for the conservation of mouflon (Ovis gmelini) in Western Iran DOI Creative Commons
Kamran Almasieh,

Haydar Rouhi,

Farzam Hasti

и другие.

Global Ecology and Conservation, Год журнала: 2023, Номер 41, С. e02377 - e02377

Опубликована: Янв. 1, 2023

Connectivity among conservation areas helps to alleviate the negative impacts of habitat fragmentation. Mouflon (Ovis gmelini) as a near threatened species has an unclear connectivity status in west Iran. This study was carried out on mouflon with aim modeling suitability and core habitats An ensemble three machine-learning models factorial least-cost path were used for identifying corridors between them, respectively. Our results revealed that grassland density, elevation, slope distance roads most influential variables predicting occurrence area. Five identified area, about 90% which covered by areas. The north area is highest priority conservation. Conservation northern western parts had best mouflon. To prevent poaching, protection should be considered. In addition, predicted crossed roads, could investigated wildlife managers.

Язык: Английский

Процитировано

11