Conserving Reptiles and Amphibians

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Herpetology".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 20185

Special Issue Editor


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Guest Editor
Department of Biology, La Sierra University, 4500 Riverwalk Parkway, Riverside, CA 92505, USA
Interests: reptiles; amphibians; genetics; taxonomy; conservation; biogeography, functional morphology

Special Issue Information

Dear Colleagues,

Reptiles and amphibians are among the most threatened groups of vertebrates, and they are facing multiple conservation challenges in many areas of the world. The detriment to reptiles and amphibian diversity generally comes from poaching for the pet trade, habitat destruction, rising global temperatures, infectious diseases, and invasive species.

Sadly, given their cryptic nature and social reputation among the general public, reptiles and amphibians usually receive little media attention. In some cases, vulnerable species can miss out on funding opportunities for conservation efforts. Given these issues, it is important to examine areas of the world that are combating conservation crises and discussing successful conservation programs. This often creates insights and can help other management strategies with similar species in other areas of the world.

Within reptiles and amphibians, turtles and frogs have the most threatened or endangered species, and in North and South America, the chytrid fungus is decimating amphibian populations. However, massive breeding programs, public outreach with local officials, and raising social awareness have been helping save many populations, even leading to some successful reintroductions. In various parts of Asia, certain species of turtles have cultural significance and are used in many traditional medicine practices. This along with habitat destruction has resulted in South and Southeast Asia and Indochina having the majority of endangered or threatened turtle species.

Exploration and discovery of new species is a key component in helping conserving ecosystems. Unfortunately, publications of these new species are used as collection guides by animal poachers. These commercial collectors impact populations by collecting massive numbers of individuals and have even caused some species of lizards to go extinct from their type localities. Squamates tend to be the biggest victims of poaching, and there needs to be a communal discussion on the best practices when describing new species that will be attractive to animal poachers.

Lastly, growing human populations and the urbanization of habitat, combined with climate change, are contributing a unique set of challenges for species management. Rising global temperatures over the next 50 to 100 years will have an impact on many amphibian and other moisture-dependent species. These rising temperatures, along with droughts, could cause a reduction in habitats that have enough moisture to sustain these species, particularly at higher elevations and latitudes.

Original manuscripts that address any aspects of reptile and amphibian conservation are invited for this Special Issue. Topics of special interest are taxonomy, genetics, infectious disease, climate change, and invasive species. Discussion of threats to regional herpetofauna and examples of successful conservation programs are also welcomed.

Dr. Jesse Grismer
Guest Editor

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Keywords

  • reptiles
  • amphibians
  • conservation
  • climate change
  • poaching
  • invasive species
  • taxonomy

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Published Papers (4 papers)

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Research

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24 pages, 4184 KiB  
Article
Cultural and Medicinal Use of Amphibians and Reptiles by Indigenous People in Punjab, Pakistan with Comments on Conservation Implications for Herpetofauna
by Saba Adil, Muhammad Altaf, Tanveer Hussain, Muhammad Umair, Jian Ni, Arshad Mehmood Abbasi, Rainer W. Bussmann and Sana Ashraf
Animals 2022, 12(16), 2062; https://doi.org/10.3390/ani12162062 - 13 Aug 2022
Cited by 10 | Viewed by 3765
Abstract
Amphibians and reptiles have interacted with humans for millennia. However, humans interact with amphibian and reptile species in different manners, which depend on their culture and traditions. This study was designed to better understand the interactions between amphibian and reptile species and their [...] Read more.
Amphibians and reptiles have interacted with humans for millennia. However, humans interact with amphibian and reptile species in different manners, which depend on their culture and traditions. This study was designed to better understand the interactions between amphibian and reptile species and their usage among the native peoples in the vicinity of the Jhelum and Chenab rivers, Pakistan. Information was collected through semi-structured interviews and questionnaires, and was analyzed by using different indices, including the frequency of citation, corrected fidelity level, fidelity level, relative importance level, and informant major ailment. Two amphibians and twenty-six reptile species were used in therapeutic medicine in the study area. Based on the cultural analysis, we found that Naja naja (black cobra) was highly cited across all cultural groups. A 100% Fidelity Level was calculated for the following species: Naja naja (eye infection), Varanus bengalensis (joint pain), Eurylepis taeniolatus (cataract), and Acanthodactylus cantoris (cancer). We found five endangered species in the study area, i.e., Aspideretes gangeticus, A. hurum, Chitra indica, Varanus flavescens, and Geoclemys hamiltonii, that were used to cure joint pain, muscle stretching and pain, backbone pain, paralysis, and psoriasis, respectively. Likewise, Lissemys punctata andersoni, a vulnerable species as labelled by the International Union for Conservation of Nature, was extensively used for the treatment of joint pain, body pain, paralysis, and arthritis in the study area. In terms of conservation, it is critical to protect the highly vulnerable and endangered species that are being used in therapeutic medicines. Our findings may be helpful for the conservation of amphibian and reptile species by helping to make an effective plan to prevent their extinction. The main threats to the diversity of amphibian and reptile species in the area are hunting, trading, and cultural use. These threats could potentially lead to the extinction of these species. Therefore, with the involvement of concerned authorities, e.g., local stakeholders, the Ministry of Climate Change, provincial wildlife departments, academia, and conservation managers, immediate conservation measures should be taken for the protection and sustainable utilization of medicinal species. Full article
(This article belongs to the Special Issue Conserving Reptiles and Amphibians)
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15 pages, 2311 KiB  
Article
Amphibian and Reptile Road Mortality in Special Nature Reserve Obedska Bara, Serbia
by Marko Anđelković and Neda Bogdanović
Animals 2022, 12(5), 561; https://doi.org/10.3390/ani12050561 - 23 Feb 2022
Cited by 11 | Viewed by 2992
Abstract
Amphibians and reptiles are the most threatened vertebrates by traffic, especially near ponds and wetlands. The main aim of this study was to examine seasonal and spatial patterns of amphibian and reptile road mortality in Special Nature Reserve “Obedska bara” (Serbia). We chose [...] Read more.
Amphibians and reptiles are the most threatened vertebrates by traffic, especially near ponds and wetlands. The main aim of this study was to examine seasonal and spatial patterns of amphibian and reptile road mortality in Special Nature Reserve “Obedska bara” (Serbia). We chose a road section of 4.2 km near the largest wetland in Serbia, with two different habitat types (forest-pond and agricultural area-pond). During 2018 (32 fieldwork days) and 2019–2020 (three control fieldwork days), we found 20,457 and 2231 road-killed animals, respectively. We recorded nine amphibian and eight reptile species. Amphibians (93%) were more vulnerable to traffic than reptiles (7%). The number of killed amphibians and reptiles varied between the seasons. Generally, amphibian roadkill was most frequent during the summer, whereas reptile roadkill was most frequent in spring and at the end of the summer. Furthermore, different roadkill patterns were observed during the examined months. In addition, we found that habitat type significantly affects the vulnerability of animals towards the roads. For both amphibians and reptiles, there were significant aggregations of roadkill, and most hotspots were located at the forest pond habitat type where mitigation measures must be applied (construction of tunnels and fences). Full article
(This article belongs to the Special Issue Conserving Reptiles and Amphibians)
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36 pages, 6776 KiB  
Article
Update on Distribution and Conservation Status of Amphibians in the Democratic People’s Republic of Korea: Conclusions Based on Field Surveys, Environmental Modelling, Molecular Analyses and Call Properties
by Amaël Borzée, Spartak N. Litvinchuk, Kyongsim Ri, Desiree Andersen, Tu Yong Nam, Gwang Hyok Jon, Ho Song Man, Jong Sik Choe, Sera Kwon, Siti N. Othman, Kevin Messenger, Yoonhyuk Bae, Yucheol Shin, Ajoung Kim, Irina Maslova, Jennifer Luedtke, Louise Hobin, Nial Moores, Bernhard Seliger, Felix Glenk and Yikweon Jangadd Show full author list remove Hide full author list
Animals 2021, 11(7), 2057; https://doi.org/10.3390/ani11072057 - 9 Jul 2021
Cited by 14 | Viewed by 5859
Abstract
Determining the range, status, ecology and behaviour of species from areas where surveys and samplings are uncommon or difficult to conduct is a challenge, such as in the Democratic People’s Republic of Korea (DPR Korea). Here, we used genetic samples, field surveys, call [...] Read more.
Determining the range, status, ecology and behaviour of species from areas where surveys and samplings are uncommon or difficult to conduct is a challenge, such as in the Democratic People’s Republic of Korea (DPR Korea). Here, we used genetic samples, field surveys, call recordings, photographic identification and a literature review to estimate the presence, range and status of amphibians in the DPR Korea. From our combined results and based on the IUCN Red List categories and criteria, we were able to estimate the national threat levels for most species. Our results demonstrated the presence of 18 native species and the suspected presence of Karsenia koreana and two Onychodactylus species. We reported the first record for Rana uenoi in the vicinity of Pyongyang using molecular tools and similarly confirmed the presence of Dryophytes japonicus at the same location. Based on distribution and modelling, we can expect the contact zone between species within the Rana and Onychodactylus genera to be located along the Changbai Massif, a mountain range that marks a shift in ecoregions and acts as a barrier to dispersion. The species richness was higher in the lowlands and at lower latitudes, with such areas populated by up to 11 species, while more northern regions were characterised by species richness of about half of that value. The combination of ecological models and known threats resulted in the recommendation of ten species as threatened at the national level following the IUCN Red List categories and criteria. This high number of threatened species was anticipated based on the high threat level to amphibians in bordering nations and globally. While the ecology of species in the DPR Korea is still understudied, we argue that species relying on agricultural wetlands such as rice paddies are not under imminent threat due to the enduring presence of extensive agricultural landscapes with low rates of chemical use and mechanisation. The maintenance of such landscapes is a clear benefit to amphibian species, in contrast to more industrialised agricultural landscapes in neighbouring nations. In comparison, the status of species dependent on forested habitats is unclear and threat levels are likely to be higher because of deforestation, as in neighbouring nations. Full article
(This article belongs to the Special Issue Conserving Reptiles and Amphibians)
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Review

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18 pages, 2250 KiB  
Review
Turtles in Malaysia: A Review of Conservation Status and a Call for Research
by Mohd Hairul Mohd Salleh, Yuzine Esa, Sarahaizad Mohd Salleh and Shahrul Anuar Mohd Sah
Animals 2022, 12(17), 2184; https://doi.org/10.3390/ani12172184 - 25 Aug 2022
Cited by 11 | Viewed by 6328
Abstract
Approximately 356 species of turtles inhabit saltwater and freshwater habitats globally, except in Antarctica. Twenty-four species of turtles have been reported in Malaysia, four of which are sea turtles. The state of Terengganu harbored the highest number of turtles, with 17 different reported [...] Read more.
Approximately 356 species of turtles inhabit saltwater and freshwater habitats globally, except in Antarctica. Twenty-four species of turtles have been reported in Malaysia, four of which are sea turtles. The state of Terengganu harbored the highest number of turtles, with 17 different reported species. Based on the IUCN Red List, 29% of turtle species in Malaysia are critically endangered. In comparison, another 25% are classified as endangered. Likewise, CITES reported that 67% of Malaysia’s turtles are threatened, while 25% are classified as critically endangered. This review discusses the checklists, molecular genetics work, conservation status, recent trends, and recommendations for future research. Factors contributing to their population declines and current endangered status are also discussed. Full article
(This article belongs to the Special Issue Conserving Reptiles and Amphibians)
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