Driven to the edge: Species distribution modeling of a Clawed Salamander (Hynobiidae: <i>Onychodactylus koreanus</i>) predicts range shifts and drastic decrease of suitable habitats in response to climate change

Shin, Yucheol; Min, Mi‐Sook; Borzée, Amaël

doi:10.1002/ece3.8155

Cited by 14 publications

(5 citation statements)

References 90 publications

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“…Cautions are need for the growing amount of herpetofauna import 43 through the coasts. Since many studies revealed that herpetofauna of the Korean Peninsula are especially susceptible to climate change 28,[44][45][46] , the southern ecosystems need a particular conservation concern as habitats there will be disappeared sooner than later [45][46][47][48] .…”

Section: Discussionmentioning

confidence: 99%

Functional group analyses of herpetofauna in South Korea using a large dataset

2023

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Functional traits are characteristics of species that affect their fitness and ecosystem, and they greatly influence ecological niches. Thus, biodiversity assessment based on functional groups rather than species per se can more realistically reflect the ecological niche space. As essential players of ecosystem functions, herpetofauna are appropriate subjects of functional trait-based analyses. In this study, using a nationwide dataset and applying trait information and ecological niche modeling, the richness within each functional group, and the taxonomic and functional diversity indices of South Korean herpetofauna were visualized to identify and compare the geographic distributions. The results revealed that the reptile community seemed more locally diverse with more overlapping randomized patterns among groups than amphibians, while amphibians showed wider distributions and a higher within-grid occurrence ratio. Functional diversity indices of reptiles also showed more randomized geographic patterns with higher levels at Jejudo Island than amphibians. The findings of this study may help to identify biodiversity hot spots and understand its ecosystem health. Increasing survey data and trait information will improve the assessment.

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Section: Discussionmentioning

confidence: 99%

Functional group analyses of herpetofauna in South Korea using a large dataset

2023

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“…A site where the species was found about 10 years ago by a ranger on the opposite side of the valley is now entirely dry and unlikely to support a breeding population, making habitat loss the main threat to the species. Climate change is also most likely to impact the species, as seen in other Hynobiids [64], and we can expect the distribution of the species to be contracting. It is, therefore, important to lower other stresses as amphibians can cope with a low number of conservation pressures, but populations crash when there are too many stress factors [65].…”

Section: Discussionmentioning

confidence: 99%

An Isolated and Deeply Divergent Hynobius Species from Fujian, China

Wang

Othman

Qiu

et al. 2023

Animals

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It is important to describe lineages before they go extinct, as we can only protect what we know. This is especially important in the case of microendemic species likely to be relict populations, such as Hynobius salamanders in southern China. Here, we unexpectedly sampled Hynobius individuals in Fujian province, China, and then worked on determining their taxonomic status. We describe Hynobius bambusicolus sp. nov. based on molecular and morphological data. The lineage is deeply divergent and clusters with the other southern Chinese Hynobius species based on the concatenated mtDNA gene fragments (>1500 bp), being the sister group to H. amjiensis based on the COI gene fragment, despite their geographic distance. In terms of morphology, the species can be identified through discrete characters enabling identification in the field by eye, an unusual convenience in Hynobius species. In addition, we noted some interesting life history traits in the species, such as vocalization and cannibalism. The species is likely to be incredibly rare, over a massively restricted distribution, fitting the definition of Critically Endangered following several lines of criteria and categories of the IUCN Red List of Threatened Species.

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“…Regionally, mid‐southern areas of the Korean Peninsula will lose suitable habitat for O. spinalis by 2070. SDMs studies on species distributed in South Korea such as G. japonicus (Kim, Park, Bae, et al, 2020 ), Karsenia koreana (Borzée et al, 2019 ), and Onychodactylus koreanus (Shin et al, 2021 ) also showed that the suitable habitat will be shrunk gradually because of climate change. Considering that the O. spinalis populations are mainly distributed in southern Jeolla province, South Korea (Table 1 ), the threats to the species in South Korea might be severe by 2070 due to shrinking of suitable habitats in the region.…”

Section: Discussionmentioning

confidence: 99%

“…Regionally, mid-southern areas of the Korean Peninsula will lose suitable habitat for O. spinalis by 2070. SDMs studies on species distributed in South Korea such as G. japonicus (Kim, Park, Bae, et al, 2020), Karsenia koreana (Borzée et al, 2019), and Onychodactylus koreanus (Shin et al, 2021) also showed that the suitable habitat will be shrunk gradually because of climate change.…”

Section: Discussionmentioning

confidence: 99%

Past, present, and future predictions on the suitable habitat of the Slender racer (Orientocoluber spinalis) using species distribution models

Park

Borzée

Park

et al. 2022

Ecology and Evolution

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Species distribution models (SDMs) across past, present, and future timelines provide insights into the current distribution of these species and their reaction to climate change. Specifically, if a species is threatened or not well‐known, the information may be critical to understand that species. In this study, we computed SDMs for Orientocoluber spinalis , a monotypic snake genus found in central and northeast Asia, across the past (last interglacial, last glacial maximum, and mid‐Holocene), present, and future (2070s). The goal of the study was to understand the shifts in distribution across time, and the climatic factors primarily affecting the distribution of the species. We found the suitable habitat of O. spinalis to be persistently located in cold‐dry winter and hot summer climatic areas where annual mean temperature, isothermality, and annual mean precipitation were important for suitable habitat conditions. Since the last glacial maximum, the suitable habitat of the species has consistently shifted northward. Despite the increase in suitable habitat, the rapid alterations in weather regimes because of climate change in the near future are likely to greatly threaten the southern populations of O. spinalis , especially in South Korea and China. To cope with such potential future threats, understanding the ecological requirements of the species and developing conservation plans are urgently needed.

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Driven to the edge: Species distribution modeling of a Clawed Salamander (Hynobiidae: Onychodactylus koreanus) predicts range shifts and drastic decrease of suitable habitats in response to climate change

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 14 publications

References 90 publications

Functional group analyses of herpetofauna in South Korea using a large dataset

Functional group analyses of herpetofauna in South Korea using a large dataset

An Isolated and Deeply Divergent Hynobius Species from Fujian, China

Past, present, and future predictions on the suitable habitat of the Slender racer (Orientocoluber spinalis) using species distribution models

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