2020
DOI: 10.15560/16.6.1695
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New records and potential geographic distribution of Elongated Caecilian, Ichthyophis elongatus Taylor, 1965 (Amphibia, Gymnophiona, Ichthyophiidae), endemic to West Sumatra, Indonesia

Abstract: We present new records of Ichthyophis elongatus Taylor, 1965 in West Sumatra. These records extend the known distribution of the species which was previously only known from the type locality in Padang, West Sumatra. We assess the morphology and habitats of this species and estimate its distribution. Predicted distribution based on maximum entropy modeling suggests a highly suitable habitat for the species throughout the Barisan Mountains at 500–1000 m above sea level. Our models suggest swamps, padd… Show more

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Cited by 3 publications
(5 citation statements)
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“…Their inventories mainly focused on conservation forests that administratively managed and protected either by local or national government such as national park, nature reserve, or protected forest. However, our knowledge of herpetofaunal communities assessment from non-protected areas in Sumatera Barat started to accrue and has been opened publicly, for example, Nugraha et al (2021) provided a cheklist of amphibians and reptiles species in a tourism area, Harapan et al (2020) analyzed the potential distribution the secretive species of Ichthyopis, and Sumarmin et al ( 2019) inventoried the anuran species in a paddy field. Our current study provided information on herpetofaunal communities that specifically analyze the diversity index for some regions of lowland habitat in Sumatera Barat.…”
Section: Discussionmentioning
confidence: 99%
“…Their inventories mainly focused on conservation forests that administratively managed and protected either by local or national government such as national park, nature reserve, or protected forest. However, our knowledge of herpetofaunal communities assessment from non-protected areas in Sumatera Barat started to accrue and has been opened publicly, for example, Nugraha et al (2021) provided a cheklist of amphibians and reptiles species in a tourism area, Harapan et al (2020) analyzed the potential distribution the secretive species of Ichthyopis, and Sumarmin et al ( 2019) inventoried the anuran species in a paddy field. Our current study provided information on herpetofaunal communities that specifically analyze the diversity index for some regions of lowland habitat in Sumatera Barat.…”
Section: Discussionmentioning
confidence: 99%
“…Setiap herpetofauna yang didapatkan diidentifikasi berdasarkan karakter kunci spesies yang dideskripsikan oleh peneliti terdahulu dengan membaca artikel terkait penelitian (contohnya: Inger dan Iskandar, 2005, Teynie et al, 2010, Atmaja et al, 2019, dan menggunakan buku panduan lapangan (contohnya: Kaprawi, et al, 2020), Kusrini, 2013). Jika dibandingkan dengan penelitian yang telah dilakukan di kawasan goa oleh Qurniawan dan Eprilurahman (2012) dan Ayu et al, (2020), pada penelitian tersebut tidak ditemukan jenis dari famili Ichthyophiidae sedangkan pada penelitian di kawasan Goa Kelelawar ditemukan satu individu yaitu Ichthyophys elongatus karena merupakan spesies endemik Sumatera Barat (Harapan, et al, 2020). Spesies ini ditemukan di tepi sungai yang basah dan lembab serta habitatnya sesuai dengan penelitian yang dilakukan oleh Kupfer et al, (2005).…”
Section: Teknik Pengambilan Sampelunclassified
“…Species distribution modelling requires variable selection to enhance the analytical power and avoid the model overfitting (Fourcade et al 2014;Yi et al 2016;Pradhan and Setyawan 2021), hence we used PCA to inform the exclusion of highly correlated environmental variables. If two environmental variables were significantly correlated (R>0.8), only one was selected as a predictor (Harapan et al 2020). Of the original 21 variables, six variables were chosen, including elevation, soil quality, temperature seasonality, precipitation of warmest quarter, temperature annual range and precipitation of wettest quarter (Table 1).…”
Section: Species Descriptionmentioning
confidence: 99%
“…On the MaxEnt configuration, auto functions of the predictor variables were selected for inclusion in the model. We followed recommended default values that were used for the convergence threshold (10 -5 ) and a maximum number of 500 iterations (Harapan et al 2020). Ten replicated model and background samples functions were used for determining a good species location to reflect the environmental conditions that one is affected in contrasting on species presences based on the spatial scale (Saupe et al 2012;Merow et al 2013).…”
Section: Species Descriptionmentioning
confidence: 99%
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