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Artículos de revistas sobre el tema "Amphibians Amphibians"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 4 de febrero de 2022

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1

Dandekar, Nikhil, Varun Kherr, Chaitanya Risbud, et al. "Evaluation of the Amphibian Fauna of the Semi-arid and Arid Grassland Habitats in and around the Mayureshwar, Rehekuri, and Karmala Wildlife Sanctuaries in Maharashtra, India." Reptiles & Amphibians 27, no. 2 (2020): 129–36. http://dx.doi.org/10.17161/randa.v27i2.14023.

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Few studies document amphibian species composition from arid and semiarid environments. Scatteredbodies of water in the semi-arid and arid landscape around Pune, Maharashtra, India, could be viable amphibian habitats; however; information on amphibians using these bodies of water is not available. In a preliminary study, we assessed the amphibian diversity and population status in three wildlife sanctuaries and surrounding areas near Pune. We also compared the use of artificial and natural ponds by amphibians and surveyed the amphibians for the presence of the chytrid fungus.

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2

Liando, Greace Kurniawati, Deidy Yulius Katili, and Lalu Wahyudi. "KEANEKARAGAMAN AMPHIBIA DI KAMPUS UNIVERSITAS SAM RATULANGI." PHARMACON 8, no. 3 (2019): 601. http://dx.doi.org/10.35799/pha.8.2019.29337.

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Amphibia is a vertebrate animal that lives in two realms: water and land. Amphibia consists of three orders, namely Caecilia, Caudata and Anura. Most amphibians have limbs such as limbs and fingers. This research aims to determine the extent of amphibian diversity that exists at the University Sam Ratulagi Manado campus based on the value of Shannon-Wiener index. The study used purposive sampling methods conducted in September-November 2017. Based on the research results there are six types of amphibia found namely, Peltophryne Lemur, Phrynoidis asper, Ingerophrynus biporcatus, Bufo melanostic

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3

Manenti, Raoul, and Roberta Pennati. "Environmental factors associated with amphibian breeding in streams and springs: effects of habitat and fish occurrence." Amphibia-Reptilia 37, no. 2 (2016): 237–42. http://dx.doi.org/10.1163/15685381-00003040.

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Streams are among the most threatened aquatic habitats for amphibians. Amphibians often demonstrate a complex community structure and investigations are mainly performed on pond-dwelling species, whereas data regarding stream-dwelling species is still scarce. The aim of this study was to evaluate the relevance of stream features and the effects of the occurrence of predatory fish on the community structure of amphibians. To assess the occurrence of breeding among amphibians (in Northern Apennine streams), sampling was performed on 57 stream and spring sites between early March and late May 201

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4

Lips, Karen R. "Overview of chytrid emergence and impacts on amphibians." Philosophical Transactions of the Royal Society B: Biological Sciences 371, no. 1709 (2016): 20150465. http://dx.doi.org/10.1098/rstb.2015.0465.

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Chytridiomycosis is an emerging infectious disease of amphibians that affects over 700 species on all continents where amphibians occur. The amphibian–chytridiomycosis system is complex, and the response of any amphibian species to chytrid depends on many aspects of the ecology and evolutionary history of the amphibian, the genotype and phenotype of the fungus, and how the biological and physical environment can mediate that interaction. Impacts of chytridiomycosis on amphibians are varied; some species have been driven extinct, populations of others have declined severely, whereas still other

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5

Kim, Hyun Woo, Pradeep Adhikari, Min Ho Chang, and Changwan Seo. "Potential Distribution of Amphibians with Different Habitat Characteristics in Response to Climate Change in South Korea." Animals 11, no. 8 (2021): 2185. http://dx.doi.org/10.3390/ani11082185.

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Amphibian species are highly vulnerable to climate change with significant species decline and extinction predicted worldwide. However, there are very limited studies on amphibians in South Korea. Here, we assessed the potential impacts of climate change on different habitat groups (wetland amphibians, Group 1; migrating amphibians, Group 2; and forest-dwelling amphibians, Group 3) under future climate change and land cover change in South Korea using a maximum entropy modelling approach. Our study revealed that all amphibians would suffer substantial loss of suitable habitats in the future, e

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6

Grogan, Laura F., Josephine E. Humphries, Jacques Robert, et al. "Immunological Aspects of Chytridiomycosis." Journal of Fungi 6, no. 4 (2020): 234. http://dx.doi.org/10.3390/jof6040234.

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Amphibians are currently the most threatened vertebrate class, with the disease chytridiomycosis being a major contributor to their global declines. Chytridiomycosis is a frequently fatal skin disease caused by the fungal pathogens Batrachochytrium dendrobatidis (Bd) and Batrachochytrium salamandrivorans (Bsal). The severity and extent of the impact of the infection caused by these pathogens across modern Amphibia are unprecedented in the history of vertebrate infectious diseases. The immune system of amphibians is thought to be largely similar to that of other jawed vertebrates, such as mamma

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7

Mardinata, Roly, Gunardi Djoko Winarno, and Nuning Nurcahyani. "The Diversity Amphibian (Order Anura) on Diefferent Habitat Types in Balik Bukit Resort Bukit Barisan Selatan National Park." Jurnal Sylva Lestari 6, no. 1 (2018): 58. http://dx.doi.org/10.23960/jsl1659-66.

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Balik Bukit Resort Bukit Barisan Selatan National Park (BBSNP) is a protected area where various amphibians habitat. The conditions and quality of habitat, of course determines the diversity of amphibians. This study aimed to analyze the diversity to detect that the amphibians (order Anura), comparing the diversity of amphibians (order Anura) based on different types of habitat and identifying amphibian habitat conditions (order Anura) in Resort Balik Bukit of Bukit Barisan Selatan National Park. This study uses three replications in each habitat type (primary forest, bush and swamp) and using

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8

Helldin, Jan Olof, and Silviu O. Petrovan. "Effectiveness of small road tunnels and fences in reducing amphibian roadkill and barrier effects at retrofitted roads in Sweden." PeerJ 7 (August 26, 2019): e7518. http://dx.doi.org/10.7717/peerj.7518.

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Schemes to reduce road impacts on amphibians have been implemented for decades in Europe, yet, several aspects on the effectiveness of such schemes remain poorly understood. Particularly in northern Europe, including Sweden, there is a lack of available information on road mitigation for amphibians, which is hampering implementation progress and cost-effectiveness analyses of mitigation options. Here, we present data derived from systematic counts of amphibians during spring migration at three previous hot-spots for amphibian roadkill in Sweden, where amphibian tunnels with guiding fences have

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9

deMaynadier, Phillip G., and Malcolm L. Hunter Jr. "The relationship between forest management and amphibian ecology: a review of the North American literature." Environmental Reviews 3, no. 3-4 (1995): 230–61. http://dx.doi.org/10.1139/a95-012.

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Questions about the compatibility of forest harvesting practices and conservation of biological diversity are largely driven by concerns that habitat quality for many species may be degraded in intensively managed forest landscapes. We review the literature on relationships between common forest harvesting practices and the distribution and abundance of amphibians, a group that has attracted considerable attention in recent years because of their potential ecological importance in forest ecosystems and because of reports of widespread population declines. Clear-cut harvesting generally has neg

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10

Hime, Paul M., Alan R. Lemmon, Emily C. Moriarty Lemmon, et al. "Phylogenomics Reveals Ancient Gene Tree Discordance in the Amphibian Tree of Life." Systematic Biology 70, no. 1 (2020): 49–66. http://dx.doi.org/10.1093/sysbio/syaa034.

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Abstract Molecular phylogenies have yielded strong support for many parts of the amphibian Tree of Life, but poor support for the resolution of deeper nodes, including relationships among families and orders. To clarify these relationships, we provide a phylogenomic perspective on amphibian relationships by developing a taxon-specific Anchored Hybrid Enrichment protocol targeting hundreds of conserved exons which are effective across the class. After obtaining data from 220 loci for 286 species (representing 94% of the families and 44% of the genera), we estimate a phylogeny for extant amphibi

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11

Dharma, Agus Pambudi, and Meitiyani Meitiyani. "INVENTARISASI AMFIBI RESORT CISARUA TAMAN NASIONAL GUNUNG GEDE PANGRANGO BERDASARKAN MUSIM YANG BERBEDA." Jurnal Biosilampari : Jurnal Biologi 2, no. 1 (2019): 1–5. http://dx.doi.org/10.31540/biosilampari.v2i1.585.

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This study aims to inventory amphibians in the Cimisblung Resort Cisarua Gede Pangrango National Park (TNGGP) the rainy season and dry season. Amphibian data collection was carried out in February - August 2019 in and night (19.00 - 23.00 WIB) days using a visual encounter survey method along 500 meters with the river flow aquatic) and terrestrial among others, below the surface of litter, rock, weathered wood, and in the bush. Amphibians were to view and record their morphology, then matched the images with amphibian identification books. After the next step was identified, the amphibian was

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12

Lemos-Espinal, Julio A., and Geoffrey R. Smith. "Amphibians and reptiles of the state of Hidalgo, Mexico." Check List 11, no. 3 (2015): 1642. http://dx.doi.org/10.15560/11.3.1642.

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We compiled a checklist of the amphibians and reptiles of the state of Hidalgo, Mexico. The herpetofauna of Hidalgo consists of a total of 175 species: 54 amphibians (14 salamanders and 40 anurans); and 121 reptiles (one crocodile, five turtles, 36 lizards, 79 snakes). These taxa represent 32 families (12 amphibian families, 20 reptile families) and 87 genera (24 amphibian genera, 63 reptile genera). Two of these species are non-native species (Hemidactylus frenatus Duméril and Bibron, 1836 and Indotyphlops braminus (Daudin, 1803)). This herpetofauna represents a mixture of species from both t

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13

SRIKANTIAH, P., J. C. LAY, S. HAND, et al. "Salmonella enterica serotype Javiana infections associated with amphibian contact, Mississippi, 2001." Epidemiology and Infection 132, no. 2 (2004): 273–81. http://dx.doi.org/10.1017/s0950268803001638.

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Salmonella Javiana is a Salmonella serotype that is restricted geographically in the United States to the Southeast. During the summer of 2001, the number of reported S. Javiana infections in Mississippi increased sevenfold. To identify sources of infection, we conducted a case-control study, defining a case as an infection with S. Javiana between August and September in a Mississippi resident. We enrolled 55 cases and 109 controls. Thirty (55%) case patients reported exposure to amphibians, defined as owning, touching, or seeing an amphibian on one's property, compared with 30 (29%) controls

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14

Havlíková, Barbora, Barbora Havlíková, Vojtech Baláž, Barbora Havlíková, Vojtech Baláž, and Jiří Vojar. "First systematic monitoring of Batrachochytrium dendrobatidis in collections of captive amphibians in the Czech Republic." Amphibia-Reptilia 36, no. 1 (2015): 27–35. http://dx.doi.org/10.1163/15685381-00002972.

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The popularity of amphibians as pets in the Czech Republic is growing. Private keepers breed mainly exotic species that are available at popular exotic animal fairs and in pet shops. This growing demand for amphibians also brings increasing risk of disease transmission. In our study, we focused on two objectives: detecting the pathogen Batrachochytrium dendrobatidis (Bd) in captive amphibians across the Czech Republic and summarizing the results of itraconazole treatments. We performed a systematic survey, focusing on public institutions, the pet trade and private breeders. Of 610 amphibians t

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15

Maltchik, L., CD Peixoto, C. Stenert, LFB Moreira, and IF Machado. "Dynamics of the terrestrial amphibian assemblage in a flooded riparian forest fragment in a Neotropical region in the south of Brazil." Brazilian Journal of Biology 68, no. 4 (2008): 763–69. http://dx.doi.org/10.1590/s1519-69842008000400010.

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The aim of this study was to analyze the richness, abundance and composition of the terrestrial amphibian assemblage in a flooded riparian forest fragment in a Neotropical region in the south of Brazil over a year (2002-2003). A total of 1,265 terrestrial amphibians were captured, representing 12 species and six families. Leiuperidae represented 41.7 and 56.3% of the total number of species and individuals captured, respectively. The amphibian richness and abundance were higher in the Spring-Summer than in the Autumn-Winter period, and these attributes did not change after the flood events. Ho

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16

Lemos-Espinal, Julio A., Geoffrey R. Smith, and James C. Rorabaugh. "A conservation checklist of the amphibians and reptiles of Sonora, Mexico, with updated species lists." ZooKeys 829 (March 11, 2019): 131–60. http://dx.doi.org/10.3897/zookeys.829.32146.

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Sonora has a rich natural diversity, including reptiles and amphibians. Sonora’s location on the United States-Mexico border creates some unique conservation challenges for its wildlife. We compiled a list of the amphibian and reptile species currently known for Sonora, summarized the conservation status of these species, and compared our list of species with known species lists for adjacent states. The herpetofauna of Sonora comprises 200 species of amphibians and reptiles (38 amphibians and 162 reptiles). Overall, Sonora shares the most species with Chihuahua, Sinaloa, and Arizona. Approxima

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17

Nunes, Ana L., Jennifer M. Fill, Sarah J. Davies, et al. "A global meta-analysis of the ecological impacts of alien species on native amphibians." Proceedings of the Royal Society B: Biological Sciences 286, no. 1897 (2019): 20182528. http://dx.doi.org/10.1098/rspb.2018.2528.

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The exponential increase in species introductions during the Anthropocene has brought about a major loss of biodiversity. Amphibians have suffered large declines, with more than 16% considered to be threatened by invasive species. We conducted a global meta-analysis of the impacts of alien species on native amphibians to determine which aspects of amphibian ecology are most affected by plant, invertebrate, fish, amphibian, reptile, or mammal introductions. Measures of fitness were most strongly affected; amphibian performance was consistently lower in the presence of alien species. While expos

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18

Marushchak, O., and O. Muravynets. "Morphological abnormalities in tailless amphibians (Amphibia, Anura) in Ukraine." Geo&Bio 2018, no. 16 (2018): 76–82. http://dx.doi.org/10.15407/gb.2018.16.076.

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19

Ruben, Laurens N., Richard H. Clothier, and Michael Balls. "Cancer Resistance in Amphibians." Alternatives to Laboratory Animals 35, no. 5 (2007): 463–70. http://dx.doi.org/10.1177/026119290703500514.

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While spontaneous tumours may occasionally develop in inbred and isogenic strains of Xenopus laevis, the South African clawed toad, they are extremely rare in natural and laboratory populations. Only two amphibian neoplasms, the renal adenocarcinoma of Rana pipiens and the lymphosarcoma of Xenopus laevis, have been extensively explored. Amphibians are resistant to the development of neo-plasia, even following exposure to “direct-acting” chemical carcinogens such as N-methyl- N-nitrosourea, that are highly lymphotoxic, thus diminishing immune reactivity. Regenerative capacity in adults, and a d

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20

Andriishyn, B. O. "Faunistic review of amphibians in protected areas of Ukrainian Roztochia." Studia Biologica 14, no. 4 (2020): 49–58. http://dx.doi.org/10.30970/sbi.1404.634.

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Background. Study of amphibian fauna as a necessary component of ecosystems is always relevant and requires a regular renewal of information, especially in protected areas. We conducted a field investigation of amphibians, a literature review and an inventory of the collections of herpetological funds in relation to three protected areas: the Roztochia Biosphere Reserve, the Yavorivskyi National Park, and the Cholgini Ornithological Reserve. Materials and Methods. The field study was performed by classical methods: route method with manual catching and with herpetological nets, vocalization me

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21

Araújo, Olívia Gabriela dos Santos, Luís Felipe Toledo, Paulo Christiano Anchietta Garcia, and Célio Fernando Baptista Haddad. "The amphibians of São Paulo State, Brazil amphibians of São Paulo." Biota Neotropica 9, no. 4 (2009): 197–209. http://dx.doi.org/10.1590/s1676-06032009000400020.

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The State of São Paulo is one of the most studied regions of Brazil in regard to amphibian species richness and distribution. However, we still do not have a list of species for the State. Therefore, we present here a list including 231 species of amphibians (225 anurans and six caecilians), of which 27 are endemic. We present data about previous and current taxonomists and speculate about future prospects in the study and conservation of amphibian biodiversity in São Paulo State.

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22

Siahaan, Kornelius, Bainah Sari Dewi, and Arief Darmawan. "The Diversity of Amphibian from Order Anura in the Protected and Utilization Blocks of Integrated Educational Conservation Forest, Wan Abdul Rachman Great Forest Park." Jurnal Sylva Lestari 7, no. 3 (2019): 370. http://dx.doi.org/10.23960/jsl37370-378.

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Amphibians are part of biodiversity that spread in various places in the world. Amphibians have an important role in maintaining the balance of the ecosystem as part of the food chain system. However, lack of public understanding caused the potential of Anura amphibians to have not been explored optimally hence research on Anura amphibians in the Wan Abdul Rachman Great Forest Park (Tahura WAR) is very important to support Anura's conservation efforts. This study aims to understand and identify the diversity of Anura order amphibians in the Protection and Utilization Blocks of the Tahura WAR o

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23

Bird, R. J., E. Paterson, J. R. Downie, and B. K. Mable. "Linking water quality with amphibian breeding and development: a case study comparing natural ponds and Sustainable Drainage Systems (SuDS) in East Kilbride, Scotland." Glasgow Naturalist 27, Supplement (2018): 49–66. http://dx.doi.org/10.37208/tgn27s09.

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Amphibians have declined due to habitat loss and alteration. Sustainable Drainage Systems (SuDS) provide potential habitat for amphibians in urban landscapes. However, the contaminants they accumulate may cause increased pollutant exposure, and limited research has addressed whether differences in water quality between SuDS and natural ponds might restrict their use by amphibians. This study aimed to explore the effects of water quality on amphibian breeding and development in SuDS and natural ponds in East Kilbride, Scotland. A generalised linear modelling approach was employed to determine s

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24

Wallace, Zach, and Lusha M. Tronstad. "Factors influencing amphibian distributions in Grand Teton National Park and western Wyoming." UW National Parks Service Research Station Annual Reports 41 (December 15, 2018): 105–17. http://dx.doi.org/10.13001/uwnpsrc.2018.5663.

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Predicting the distribution of amphibians can be difficult because habitat suitability may depend on a variety of environmental and anthropogenic factors, including water quality of wetlands, geology of watersheds, and presence of invasive pathogens. Previous studies hypothesized that water chemistry may influence the rate of chytrid infection in amphibians where higher conductivity sites may have less infection. We sampled two watersheds in Grand Teton National Park and 3 watersheds adjacent to the park, and measured amphibian presence, chytrid infection, basic water quality, major ion concen

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25

Crump, D. "The effects of UV-B radiation and endocrine-disrupting chemicals (EDCs) on the biology of amphibians." Environmental Reviews 9, no. 2 (2001): 61–80. http://dx.doi.org/10.1139/a01-001.

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Statistical meta-analysis of large and diverse data sets has indicated that amphibians have been declining worldwide since the 1960s. Exposure to UV-B radiation (280320 nm) and endocrine-disrupting chemicals (EDCs) have been considered as possible hypotheses to explain the observed declines. Equivocal conclusions have been reached with respect to the effects of UV-B on amphibian populations. Field and laboratory studies employing both ecologically relevant and enhanced UV-B levels have been conducted using a variety of amphibian species and reports differ with respect to the most sensitive de

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RIVERA-CORREA, MAURICIO, DIEGO BALDO, FLORENCIA VERA CANDIOTI, et al. "Amphibians in Zootaxa: 20 years documenting the global diversity of frogs, salamanders, and caecilians." Zootaxa 4979, no. 1 (2021): 57–69. http://dx.doi.org/10.11646/zootaxa.4979.1.9.

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Zootaxa is a mega-journal that since its inception, 20 years ago, has contributed to the documentation of the planet’s biodiversity. Its role concerning terrestrial vertebrates has been crucial especially for amphibians, which are the most threatened class of vertebrates. As current editors of the Amphibia section, we reviewed the state of knowledge of taxonomic publications on amphibians over the last two decades (from 2001 to 2020). Our review reveals that 2,533 frogs, 259 salamanders, and 55 caecilians have been named in these 20 years, mainly in the tropical regions of South America, Asia,

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Jadesh, Murali, Parshuram Kamble, K. Manjunath, K. Ravikiran, and Sharanappa Padashetty. "A Preliminary Survey of Amphibians and Reptiles in around Gulbarga University Campus, Karnataka, India." International Letters of Natural Sciences 27 (October 2014): 67–71. http://dx.doi.org/10.18052/www.scipress.com/ilns.27.67.

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The study involves survey of amphibian and reptile in and around Gulbarga University Campus. Survey was conducted from Jan 2012 to March 2013. The survey methods involved careful visual estimation of amphibians and reptilian in all the possible habitats present in the study area. The objective of the study included evaluate of species composition, relative abundance and distribution of amphibian and reptile of the chosen area. During survey a total of 16 species of herpetofauna identified belonging to 12 families, which includes 9 species of snakes, 4 species amphibians, 3 species of lizards

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Gotkiewicz, Wojciech, Krzysztof Wittbrodt, and Ewa Dragańska. "The Dynamics of Changes in the Amphibian (Amphibia) Population Size in the Masurian Landscape Park Monitoring Results of Spring Migration Monitoring from the Years 2011–2019." Environmental Protection and Natural Resources 31, no. 4 (2020): 8–16. http://dx.doi.org/10.2478/oszn-2020-0013.

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Abstract The study presents the results of nine-year-long monitoring of the population size of amphibians (Amphibia) as one of the indicator communities used to assess the biological diversity level. The study was conducted in the Masurian Landscape Park located in Warmińsko-MazurskieVoivodeship. The obtained results demonstrated that 13 out of the 18 domestic amphibian species occurred in the area selected for research activities, including the species entered in the IUCN Red List. No clear correlation was found between the dynamics of population changes and the environmental, primarily clima

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Hallinger, Malek J., Anja Taubert, and Carlos Hermosilla. "Endoparasites infecting exotic captive amphibian pet and zoo animals (Anura, Caudata) in Germany." Parasitology Research 119, no. 11 (2020): 3659–73. http://dx.doi.org/10.1007/s00436-020-06876-0.

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Abstract Alongside exotic reptiles, amphibians, such as toads, frogs, salamanders, and newts, are nowadays considered popular pets worldwide. As reported for other exotic pet animals, amphibians are known to harbor numerous gastrointestinal parasites. Nonetheless, very little data are available on captive amphibian parasitic diseases. In this study, we applied direct saline fecal smears (DSFS) to examine in total 161 stool samples from 41 different amphibian species belonging to the orders Anura and Caudata. In addition, carbolfuchsin-smear (CFS) staining (n = 74 samples) was used to detect am

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Rocha, Carlos Frederico Duarte, Felipe Bottona da Silva Telles, Davor Vrcibradic, and Paulo Nogueira-Costa. "The Herpetofauna from Ilha Grande (Angra dos Reis, Rio de Janeiro, Brazil): updating species composition, richness, distribution and endemisms." Papéis Avulsos de Zoologia 58 (June 20, 2018): 25. http://dx.doi.org/10.11606/1807-0205/2018.58.25.

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Ilha Grande is a large continental island (total area of 19,300 ha) situated at the southern coast of the state of Rio de Janeiro, in southeast Brazil, within the Atlantic Forest Biome. Here we provide an update to the previous knowledge of the fauna of amphibians and reptiles occurring in Ilha Grande, based on primary data from our own fieldwork and on secondary data (from institutional collections and from the literature). We report the occurrence at Ilha Grande of a total of 74 species, being 34 amphibians (all of them anurans) and 40 reptiles (27 snakes, 11 lizards, one amphisbaenian and o

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Pranoy Kishore Borah, Avrajjal Ghosh, Bikash Sahoo, and Aniruddha Datta-Roy. "A frog that eats foam: predation on the nest of Polypedates sp. (Rhacophoridae) by Euphlyctis sp. (Dicroglossidae)." Journal of Threatened Taxa 12, no. 14 (2020): 17041–44. http://dx.doi.org/10.11609/jott.6291.12.14.17041-17044.

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Amphibians in terms of their predatory behaviour depend mainly upon the ambush technique. Other than predation, amphibians have also been recorded to scavenge to acquire food resources. This is an opportunistic observation of predatory behaviour of an amphibian species (Euphlyctis sp.) on the foam nest of another species (Polypedates sp.). The behaviour was recorded during a routine field sampling, which is broadly written in the body of this write up. Such an observation to our knowledge has not been reported earlier. This observation will have implications in terms of amphibian ecology, beha

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Samitra, Dian, and Zico Fakhrur Rozi. "Amphibian diversity in the Waterfall of Lubuklinggau City, South Sumatra." Jurnal Biota 7, no. 1 (2020): 10–16. http://dx.doi.org/10.19109/biota.v7i1.6412.

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Lubuklinggau has many natural location that supports life of amphibians. Temam and Sando waterfall area were part of them. This study aims to determine diversity amphibian in the Temam and Sando Waterfall, Lubuklinggau City. The study was conducted from June to July 2020. The collection data used Visual Encounter Survey (VES) techniques and time search. he data were analyzed using relative abundance, and indexes of diversity, evenness, similarity, and dominance. 11 species of amphibians belonging to 5 families were found during the study. Odorrana hosii was found mostly during the study. Amphi

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Woeltjes, Tonnie, Matthew Rendle, Annemarieke Spitzen-van der Sluijs, et al. "Clinically healthy amphibians in captive collections and at pet fairs: A reservoir of Batrachochytrium dendrobatidis." Amphibia-Reptilia 32, no. 3 (2011): 419–23. http://dx.doi.org/10.1163/017353711x579830.

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Abstract Batrachochytrium dendrobatidis is the cause of the fungal disease chytridiomycosis, a potentially lethal skin disease of amphibians. Asymptomatically infected amphibians may pose a risk for environmental pathogen pollution. This study therefore assessed the role of healthy, captive amphibians as a reservoir of Batrachochytrium dendrobatidis. Samples were collected from captive amphibians in Belgium, the Netherlands, Germany and France (559 from anurans, 330 from urodelans and 4 from gymnophians) from private owners, zoos, and laboratories. In addition to which, 78 anurans from 19 livi

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Matos, Cátia, Neftalí Sillero, and Elena Argaña. "Spatial analysis of amphibian road mortality levels in northern Portugal country roads." Amphibia-Reptilia 33, no. 3-4 (2012): 469–83. http://dx.doi.org/10.1163/15685381-00002850.

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Animal mortality caused by vehicle collisions is one of the main ecological impacts of roads. Amphibians are the most affected group and road fatalities have a significant impact on population dynamics and viability. Several studies on Iberian amphibians have shown the importance of country roads on amphibian road mortality, but still, little is known about the situation in northern Portugal. By being more permeable to amphibian passage, country roads represent a greater source of mortality than highways, which act as barriers. Thus, mitigation measures should be applied, but due to the extens

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Zumbado-Ulate, Héctor, Kiersten N. Nelson, Adrián García-Rodríguez, et al. "Endemic Infection of Batrachochytrium dendrobatidis in Costa Rica: Implications for Amphibian Conservation at Regional and Species Level." Diversity 11, no. 8 (2019): 129. http://dx.doi.org/10.3390/d11080129.

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Batrachochytrium dendrobatidis (Bd) has been associated with the severe declines and extinctions of amphibians in Costa Rica that primarily occurred during the 1980s and 1990s. However, the current impact of Bd infection on amphibian species in Costa Rica is unknown. We aimed to update the list of amphibian species in Costa Rica and evaluate the prevalence and infection intensity of Bd infection across the country to aid in the development of effective conservation strategies for amphibians. We reviewed taxonomic lists and included new species descriptions and records for a total of 215 amphib

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Iftime, Alexandru, and Oana Iftime. "Contributions to the Knowledge on the Amphibians and Reptiles of Ialomița County (South-Eastern Romania)." Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 60, no. 2 (2017): 505–16. http://dx.doi.org/10.1515/travmu-2017-0014.

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Abstract The results of faunistical and ecological surveys of the amphibians i n Ialomița County (Romania) are presented here; 12 amphibian species were identified, two amphibian hybrids and five reptile species, with new records for many of those.

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Chen, Youhua, and Tania Escalante. "Correlates of ecological-niche diversity and extinction risk of amphibians in China under climate change." Australian Systematic Botany 30, no. 6 (2017): 414. http://dx.doi.org/10.1071/sb17001.

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In the present study, we measured spatiotemporal properties of ecological niches of amphibians in China and tested the relative importance of various niche-diversity metrics for explaining the evolutionary distinctiveness-weighted extinction risk (EDGE) of amphibian species. We applied the hierarchical partitioning technique on the phylogenetically independent contrasts of the niche covariates and EDGE of amphibians, for the purpose of removing the influence of evolutionary inertia among species. As a comparison, phylogenetic least-square general regression (PLGS) was also conducted. The resul

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RYAN, M. J. "Amphibians: Biology of Amphibians." Science 232, no. 4747 (1986): 271. http://dx.doi.org/10.1126/science.232.4747.271.

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Halliday, T. R. "Declining amphibians in Europe, with particular emphasis on the situation in Britain." Environmental Reviews 1, no. 1 (1993): 21–25. http://dx.doi.org/10.1139/a93-003.

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Published information concerning the current status of Europe's amphibians is reviewed. A large proportion of species are categorized as endangered or vulnerable. For those species that have been the subject of intensive study, declines are attributed to a diversity of factors, all arising from human destruction or alteration of the habitat. Current evidence does not support the suggestion that amphibians are universally affected by a single common cause.Key words: amphibian, Europe, decline, habitat loss.

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Buckley, Lauren B., and Walter Jetz. "Linking global turnover of species and environments." Proceedings of the National Academy of Sciences 105, no. 46 (2008): 17836–41. http://dx.doi.org/10.1073/pnas.0803524105.

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Patterns of species turnover are central to the geography of biodiversity and resulting challenges for conservation, but at broad scales remain relatively little understood. Here, we take a first spatially-explicitly and global perspective to link the spatial turnover of species and environments. We compare how major groups of vertebrate ectotherms (amphibians) and endotherms (birds) respond to spatial environmental gradients. We find that high levels of species turnover occur regardless of environmental turnover rates, but environmental turnover provides a lower bound for species turnover. Th

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Vences, Miguel, Meike Thomas, Ronald M. Bonett, and David R. Vieites. "Deciphering amphibian diversity through DNA barcoding: chances and challenges." Philosophical Transactions of the Royal Society B: Biological Sciences 360, no. 1462 (2005): 1859–68. http://dx.doi.org/10.1098/rstb.2005.1717.

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Amphibians globally are in decline, yet there is still a tremendous amount of unrecognized diversity, calling for an acceleration of taxonomic exploration. This process will be greatly facilitated by a DNA barcoding system; however, the mitochondrial population structure of many amphibian species presents numerous challenges to such a standardized, single locus, approach. Here we analyse intra- and interspecific patterns of mitochondrial variation in two distantly related groups of amphibians, mantellid frogs and salamanders, to determine the promise of DNA barcoding with cytochrome oxidase su

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Román Palacios, Cristian, and Alejandro Valencia Zuleta. "On the Data Deficient amphibians occurring in Colombia." Revista de Biología Tropical 66, no. 3 (2018): 1272. http://dx.doi.org/10.15517/rbt.v66i3.30818.

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Whereas more than 10 % of the global amphibian richness is known to occur in Colombia, almost 16 % of these species are currently classified as Data Deficient according to the IUCN. These estimates suggest that the available data for a large portion of the amphibians occurring in Colombia is insufficient to assess extinction risk. Here we aim to (1) review the available information on the distribution of the Colombian Data Deficient (DD hereafter) amphibians, (2) analyze their geographic distribution, and (3) evaluate the relationship between anthropogenic impact and their current conservation

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Lemos-Espinal, Julio A., Geoffrey R. Smith, Leland J. S. Pierce, and Charles W. Painter. "The amphibians and reptiles of Colima, Mexico, with a summary of their conservation status." ZooKeys 927 (April 16, 2020): 99–125. http://dx.doi.org/10.3897/zookeys.927.50064.

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Colima is the fourth smallest Mexican state, covering only 0.3% of the surface area of Mexico, but due to the remarkable diversity of physiographic and environmental conditions present in Colima it contains a high biological diversity. We generated an up-to-date herpetofaunal checklist for Colima, with a summary of the conservation status of Colima’s amphibians and reptiles. Our checklist contains a total of 153 species of amphibians and reptiles (three introduced). Thirty-nine are amphibians and 114 are reptiles. More than half of Colima’s herpetofauna are Mexican endemics (66.7% of amphibian

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Gautam, Bivek, Mukesh Kumar Chalise, Kul Bahadur Thapa, and Santosh Bhattarai. "Distributional patterns of amphibians and reptiles in Ghandruk, Annapurna Conservation Area, Nepal." Reptiles & Amphibians 27, no. 1 (2020): 18–28. http://dx.doi.org/10.17161/randa.v27i1.14440.

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    In May and October 2017, we assessed the distribution and diversity of herpetofauna in the Ghandruk region of the Annapurna Conservation Area. Using the Visual Encounter Survey (VES) protocol on 11 randomly selected transects, we recorded 662 individuals of 25 herpetofaunal species (12 amphibians and 13 reptiles). Species richness and abundance declined with increases in elevation but only the correlation between elevation and abundance was significant. Neither amphibians nor reptiles were uniformly distributed among different habitats, and species richness of both

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Cisneros-Heredia, Diego F. "Amphibians, Machalilla National Park, province of Manabí, western Ecuador." Check List 2, no. 1 (2006): 45. http://dx.doi.org/10.15560/2.1.45.

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Fifteen species of amphibians are reported from the Machalilla National Park, located in coastal western Ecuador. Scinax quinquefasciatus, Trachycephalus venulosus, and Leptodactylus ventrimaculatus are reported from the area for the first time. Several amphibian species are rangerestricted and endemic. The amphibian fauna of this national park is related to the Tumbesian endemic region. Updated information is presented for Ceratophrys stolzmanni and Leptodactylus ventrimaculatus.

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Kusrini, M. D., L. R. Khairunnisa, A. Nusantara, et al. "Diversity of Amphibians and Reptiles in Various Anthropogenic Disturbance Habitats in Nantu Forest, Sulawesi, Indonesia." Jurnal Manajemen Hutan Tropika (Journal of Tropical Forest Management) 26, no. 3 (2020): 291–302. http://dx.doi.org/10.7226/jtfm.26.3.291.

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The Nantu Forest in Gorontalo Province, Sulawesi, Indonesia holds one of the few remaining pristine habitats in the island. The reserve is surrounded by human habituation which provide opportunity to study the impact of forest lost on biodversity. In addition, data on Nantu mostly focused on big mammals, as there is no previous herpetofauna survey at the area. Sampling of amphibian and reptile was conducted in June 2013 and in May–June 2014 using Visual Encounter Survey method, glue traps and transect sampling in seven different sites at the eastern part of Nantu. We categorized four habitat t

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Rowley, Jodi, Rafe Brown, Raoul Bain, et al. "Impending conservation crisis for Southeast Asian amphibians." Biology Letters 6, no. 3 (2009): 336–38. http://dx.doi.org/10.1098/rsbl.2009.0793.

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With an understudied amphibian fauna, the highest deforestation rate on the planet and high harvesting pressures, Southeast Asian amphibians are facing a conservation crisis. Owing to the overriding threat of habitat loss, the most critical conservation action required is the identification and strict protection of habitat assessed as having high amphibian species diversity and/or representing distinctive regional amphibian faunas. Long-term population monitoring, enhanced survey efforts, collection of basic biological and ecological information, continued taxonomic research and evaluation of

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Ferreira, Rodrigo Barbosa, Alexander Tamanini Mônico, Emanuel Teixeira da Silva, et al. "Amphibians of Santa Teresa, Brazil: the hotspot further evaluated." ZooKeys 857 (June 25, 2019): 139–62. http://dx.doi.org/10.3897/zookeys.857.30302.

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A checklist of the amphibians of Santa Teresa municipality, in southeastern Brazil is presented based on fieldwork, examination of specimens in collections, and a literature review. This new amphibian list of Santa Teresa includes 108 species, of which 106 (~98%) belong to Anura and two (~2%) to Gymnophiona. Hylidae was the most represented family with 47 species (43%). Compared to the previous amphibian lists for Santa Teresa, 14 species were added, 17 previously reported species were removed, and 13 species were re-identified based on recent taxonomic rearrangements. Of the 14 species added,

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Whitfield, SM, G. Alvarado-Barboza, JG Abarca, H. Zumbado-Ulate, RR Jimenez, and J. Kerby. "Ranavirus is widespread in Costa Rica and co-occurs with threatened amphibians." Diseases of Aquatic Organisms 144 (April 8, 2021): 89–98. http://dx.doi.org/10.3354/dao03576.

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Amphibians are globally threatened by emerging infectious diseases, and ranaviruses are among the most concerning pathogens to threaten species in the wild. We sampled for ranaviruses in wild amphibians at 8 sites in Costa Rica, spanning broad climatic zones and taxonomic associations. Seven of these sites are inhabited by highly threatened amphibian species that persist at low global population sizes after population declines due to amphibian chytridiomycosis. One of the surveyed sites is occupied by an introduced amphibian species, which is relatively rare in Central America but may be an im

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Agostini, María G., Pablo E. Saibene, Ignacio Roesler, and David Bilenca. "Amphibians of northwestern Buenos Aires province, Argentina: checklist, range extensions and comments on conservation." Check List 12, no. 6 (2016): 1998. http://dx.doi.org/10.15560/12.6.1998.

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Northwestern Buenos Aires province is located within the Pampas region of Argentina. Agricultural practices have extensively modified native grasslands in a relatively short period, leaving no intact pristine areas. Based on data collected between 2006 and 2015 at 153 ponds in agricultural landscapes, we compiled an annotated list of the amphibians of northwestern Buenos Aires province. We report 13 extant species of amphibians, which represent 43% of the known amphibian diversity in Buenos Aires province, and extend the ranges of three species. Three species found only in herpetological colle

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