Use of a spatially explicit individual-based model to predict population trajectories and habitat connectivity for a reintroduced ursid

Andersen, Desiree; Yi, Yoonjung; BorzÃe, AmaÃ«l; Kim, Kyungmin; Moon, Kwang Seon; Kim, Jeong Jin; Kim, Tae Wook; Jang, Yikweon

doi:10.1017/s0030605320000447

Cited by 8 publications

(7 citation statements)

References 49 publications

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“…We believe both Thailand and India have significant opportunities for tiger range expansion. South Korea has successfully reintroduced Asiatic black bears Ursus thibetanus (Andersen et al, 2022) but our analysis did not indicate opportunities for range expansion due to the country's high HMI in comparison with the regional (i.e. Northeast Asia) threshold.…”

Section: Discussioncontrasting

confidence: 66%

Restoring Asia’s roar: Opportunities for tiger recovery across the historic range

Gray¹,

Rosenbaum

Jiang

et al. 2023

Front. Conserv. Sci.

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Wildlife conservation in the Anthropocene requires bold conservation solutions including restoration of ecosystems and species. The recovery of large carnivore populations is a conservation goal which can generate significant benefits in terms of ecosystem services, ecological functionality, and human well-being. Tigers Panthera tigris, Asia’s most iconic species, are currently restricted to less than 10% of their historic range with recent national extinctions from a number of countries in mainland Southeast Asia. Tiger recovery through range expansion requires suitable habitat, a robust prey base, and high levels of institutional support for conservation. We explored government support for conservation to produce a ranking of the political opportunities for tiger restoration across current and former tiger range countries. We used this analysis, in combination with globally remotely sensed data-sets on human impact, to show that there is potential for significant tiger range expansion. We identified large expanses of currently unoccupied, but potentially suitable, habitat in at least 14 countries including all extant tiger range countries and four countries with extirpated tiger populations – Cambodia, Lao PDR, Viet Nam, and Kazakhstan. Thirty-two percent of expansion areas were within 50-km, and 50% within 100-km, of current tiger populations highlighting that in many landscapes range expansion could be driven by the natural dispersal of tigers provided connectivity is maintained or enhanced. The proportion of potential range within existing protected areas varied between <5% in India, Indonesia, and China, to >60% in Thailand and Cambodia. As such socially appropriate conservation approaches, in collaboration with local communities, will be necessary to support tiger recovery in many areas. We recommend that some of the areas which we have identified should be highlighted as significant for future tiger conservation by tiger range country governments. Whilst the landscapes and sites which we identify will require detailed ground-truthing, and all tiger reintroductions need extensive planning and feasibility assessments, safeguarding these areas for human-carnivore coexistence could provide significant planetary benefits and support both tiger recovery and Global Sustainable Development Goals.

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Section: Discussioncontrasting

confidence: 66%

Restoring Asia’s roar: Opportunities for tiger recovery across the historic range

Gray¹,

Rosenbaum

Jiang

et al. 2023

Front. Conserv. Sci.

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“…Several options exist, including, among others, individual-based modeling (Andersen et al, 2021) and using proxy-clades to test conservation interventions (e.g., translocations). This allows for an assessment of potential success rates before conservation actions on the targeted species.…”

Section: Field-tested Conservationmentioning

confidence: 99%

A 13‐step framework for better integration of streamlined conservation research

Borzée

2023

Integrative Conservation

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The rise of integrated conservation research underscores its pivotal role in raising global environmental concerns, making it an attractive research subject from numerous perspectives. This general interest in integrated research is positive in that it provides an interdisciplinary approach with important innovations, encompassing a variety of fields, in opposition to considering conservation as an “afterthought” of ecological results. The current challenge is to organize research findings in a consistent, streamlined process that effectively supports and influences world biodiversity conservation. Disciplines once deemed unrelated to conservation science, such as social sciences, are now being incorporated into conservation research, and there is a pressing need to unify these diverse areas into a cohesive process to enhance the coverage of this growing field. It is also vital to acknowledge that each focal population unit (e.g., species, taxa, clade, etc.) may have specific requirements. Here, I propose a 13‐step framework that aims to integrate a comprehensive range of conservation research fields, from traditional ecology and behavior to inclusive mitigation plans, policy recommendations, and monitoring processes, ensuring that conservation research results are translated into tangible conservation actions. Integrating research‐based conservation results will facilitate the required coordinated effort from scientists, government agencies, the general public, and relevant sections of the private sector, thereby reinforcing the foundations to support conservation initiatives. This manuscript defines a procedure to address the conservation research requirements of specific focal population units (e.g., species, taxa, clade, population, etc.). It emphasizes the need for a consistent and streamlined process integrating all research fields, aiming to increase the breadth of knowledge essential for generating actionable conservation research results. The process supports clearly defined goal‐driven objectives that can be readily adopted by organizations interested in actionable conservation research results at varying levels. Nevertheless, conservation measures can be taken at any stage within the process, recognizing that achieving all research outcomes is a resource‐intensive optimum.

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“…When WVC abundance was compared to habitat connectivity in small, intermediate, and large mammals in South Korea, WVCs were found to be highly correlated with high connectivity at scales respective of the mammals' size groups [34]. In addition to being potentially fatal to crossing wildlife, roads present barriers to movement of animals, such as the Asiatic black bear (Ursus thibetanus), which has significant road barriers across their potential range in the Baekdudaegan Mountain Reserve [35]. Therefore, wildlife corridors are needed in targeted areas of habitat and least-cost pathways in order to reduce WVCs.…”

Section: Wvcs and Barriers To Movementmentioning

confidence: 99%

Biodiversity and Transportation Infrastructure in the Republic of Korea: A Review on Impacts and Mitigation in Developing the Country

Andersen

Jang

2021

Diversity

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The construction and continued use of transportation infrastructure, specifically roads, has had a significant global impact on biodiversity and the environment. The Republic of Korea, or South Korea, has a road density of 1.13 km/km2. So far, three nationwide studies about vertebrate road-killed species have been reported, showing bias towards medium to large mammals, the most common victims being the Korean water deer (Hydropotes inermis), Korean hare (Lepus coreanus), Siberian roe deer (Capreolus pygargus), and the common raccoon dog (Nyctereutes procyonoides). Road-kills, or wildlife-vehicle collisions (WVCs), tend to occur in or near preferred habitat types or in highly fragmented areas, with roads additionally being linked to habitat fragmentation and loss. Alongside WVCs and habitat effects, information about other adverse effects on biodiversity is scant, although there are reports that heavy metals and other pollutants from road runoff impact marine biodiversity, vegetation, soil, and groundwater. Furthermore, roads have been linked to a prevalence of invasive plant species. To mitigate road impacts, the South Korean government has constructed, with mixed results, 530 wildlife crossing structures, mainly including overpasses and tunnels. To mitigate road impacts more effectively, the country will need more construction, monitoring, and consistent management of wildlife crossing structures. Further, incorporating plans for wildlife crossing structures in early stages of road development will be required.

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Use of a spatially explicit individual-based model to predict population trajectories and habitat connectivity for a reintroduced ursid

Cited by 8 publications

References 49 publications

Restoring Asia’s roar: Opportunities for tiger recovery across the historic range

Restoring Asia’s roar: Opportunities for tiger recovery across the historic range

A 13‐step framework for better integration of streamlined conservation research

Biodiversity and Transportation Infrastructure in the Republic of Korea: A Review on Impacts and Mitigation in Developing the Country

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