Diversity and distribution of amphibians in central and northwest Bangladesh, with an updated checklist for the country

Rahman, M. M.; Nneji, Lotanna M.; Hossain, Md. Mosharrof; Nishikawa, Kanto; Habib, Kazi Ahsan

doi:10.1016/j.japb.2021.12.002

Cited by 5 publications

(5 citation statements)

References 40 publications

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“…(2017) and Rahman et al. (2022) argue by stating that agricultural fields are more diverse compared to the riverine forest (in this case the intermediate habitat) in regions of Keffa and Bangladesh. This can be attributed to the fact that in the forest there are frog specialists and in the farms generalists' species that make use of the modified habits or habitat patchiness.…”

Section: Discussionmentioning

confidence: 99%

“…In line with this current study, Kassie et al (2023) displayed species accumulation curves with asymptotic points. Similarly, they also emphasised the significance of investigating and sampling anuran species using a variety of sampling methods (Malonza et al, 2010(Malonza et al, , 2011Rahman et al, 2022) in order to sample species that cannot be encountered and gain a more complete understanding of their ecology (Maritz et al, 2007;Ribeiro et al, 2008) since species biodiversity is closely related to the sampling effort invested by researchers (Costa-Campos & Freire, 2019). In support of this study, the sampling effort was boosted by diurnal and nocturnal sampling.…”

Section: Species Accumulation Curves and Richness Estimationmentioning

confidence: 99%

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Anthropogenic effects of habitat modification on anuran species diversity in a swamp forest area, Kenya

Kabanze,

Kimanzi,

Malonza

et al. 2023

Afr J Ecol

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Anuran species are some of the good environmental indicators of habitat quality and condition in ecosystems. This is due to their amphibious life modes and sensitivity to environmental change caused by rapid expansion of agricultural activities, advancement of forest destruction, climate change and emerging infectious diseases. Understanding their diversity and distribution patterns is crucial for the development and implementation of effective species and habitat conservation strategies. The study aimed at assessing and comparing anuran biodiversity and distribution patterns between a protected (North Nandi Forest Reserve) and a non‐protected area (Kingwal swamp) to provide additional baseline information, both being among the underexplored areas in Kenya. Data were gathered in both dry and wet seasons, between October 2022 and June 2023 by employing standard sampling techniques for anurans(Visual encounter and pitfall traps with a drift fence) to maximise detection. Three habitat types‐ farmland, intermediate land and forest were exploited. A total of 1649 individuals from 21 different species, belonging to nine different genera and nine different families were recorded. Ptychadenidae was the most abundant family from the recorded anurans, while Dicroglossidae, Arthroleptidae, Pyxicephalidae and Ranidae were the least. High biodiversity was observed in the forest habitat (Protected) and least in the farmland (non‐protected). The wet season had high species abundance, diversity and richness compared to the dry season. There was a significant difference (p < 0.05) in diversity between the habitats in wet season, but no significance difference during dry season (p > 0.05) except for forest and farmland (p < 0.05). There was a significant difference in species abundance between seasons (p < 0.05), and between habitats (p < 0.05) in all seasons except for farmland and intermediate (p > 0.05), as well as farmland and forest (p > 0.05) during the wet season. Habitat type and season had no influence (p > 0.05) on species richness. Anuran biodiversity is a function of habitat diversity and season, with the associated differences in microhabitat structure providing diverse niches and ways of exploring resources. The modest sampling indicates that Kingwal Swamp and North Nandi Forest Reserve are rich and support anuran species, and the differences in anuran biodiversity between the 3 habitats demonstrates that conservation efforts continue to be a priority.

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Section: Discussionmentioning

confidence: 99%

Section: Species Accumulation Curves and Richness Estimationmentioning

confidence: 99%

Anthropogenic effects of habitat modification on anuran species diversity in a swamp forest area, Kenya

Kabanze,

Kimanzi,

Malonza

et al. 2023

Afr J Ecol

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“…The survey focused on sampling along the stream and forest trails, using a combination of drift-fenced pitfall traps and opportunistic searches as the primary methodologies ( Enge. 2001 , Fisher et al 2008 , Rahman et al 2022 ). In order to capture terrestrial confined herpetofauna, we deployed "Y" shaped drift-fenced pitfall traps comprised of a plastic bucket sized 18 litres.…”

Section: Methodsmentioning

confidence: 99%

First documentation on herpetofauna diversity in Gunung Belumut Amenity Forest, Peninsular Malaysia: Implications for conservation in an Environmentally Sensitive Area (ESA)

Ramli,

Munian,

Mahyudin

et al. 2024

BDJ

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Malaysia is blessed with lush tropical rainforests that harbour an exceptional diversity of amphibians and reptiles. However, compared to other animal groups, amphibians and reptiles have received limited attention in research, despite their ecological significance. With amphibians and reptile species having been declining rapidly due to anthropogenic activities, there is a pressing need to conserve these species and their habitats. Environmentally Sensitive Areas (ESAs) are designated regions that are beneficial due to their critical role in providing essential ecosystem services and serving as repositories of biodiversity. Nonetheless, the classification of ESAs in Malaysia lacks biological elements and only focuses on physical attributes. To enhance the current ESA classification framework by integrating biological components, there is an urgent need to obtain information on diversity and habitat in Malaysia. Therefore, the objectives of this study were twofold: to determine the diversity of amphibians and reptiles in Gunung Belumut Amenity Forest and to conduct a comparative analysis between the herpetofauna assemblages in Gunung Belumut with other forest reserves in Peninsular Malaysia. The survey was carried out between March and June 2022, with additional sampling conducted in February 2023. The Visual Encounter Survey (VES) and pitfall trap methods were employed to survey the herpetofauna species, focusing on both aquatic and terrestrial habitats within the study area. A total of 210 individuals representing 38 species of herpetofauna were recorded, comprising 18 amphibian and 20 reptile species. Amongst the observed species, Limnonectes blythii was the most frequently encountered amphibian, with 59 individuals observed, while the dominant reptile species was Cyrtodactylus consobrinus, represented by eight individuals. This pioneering study serves as a vital baseline documentation of the amphibian and reptile assemblages in Gunung Belumut Amenity Forest. It provides valuable information for identifying extant herpetofauna species, including those of potential conservation concern or rarity. These findings contribute to ongoing conservation efforts dedicated to the preservation of herpetofauna within the region. By understanding the diversity and distribution patterns of amphibians and reptiles in Gunung Belumut, effective conservation strategies can be developed to protect these species and their habitats.

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“…Amphibians are one of the world’s most vulnerable vertebrate animal groups ( IUCN, 2023 ). Although the amphibian diversity of many regions is underestimated and suffering from a lack of information ( Rahman et al, 2019 ; Rahman et al, 2022 ), the introduction of integrated traditional and modern molecular taxonomic approaches boosted the trends of deiscovering new records and new species descriptions ( Rahman et al, 2020a ; Rahman et al, 2020b ; Vences et al, 2023 ). Despite this progress creating a few taxonomic debates and ambiguity in classification ( Sanchez et al, 2018 ), the number of total amphibian species in the world has increased manifolds ( AmphibiaWeb, 2023 ).…”

Section: Introductionmentioning

confidence: 99%

“…Given the necessity of attracting conspecific individuals, researchers suggested the possibility of using the frog calls in their taxonomy ( Ryan & Rand, 2001 ; Wells & Schwartz, 2007 ). Thus, in addition to using traditional and molecular techniques ( Rahman et al, 2020a ; Rahman et al, 2020b ; Rahman et al., 2022 ; Nneji et al, 2021 ), researchers are increasingly employing call properties in amphibian species identification and taxonomy ( Kohler et al, 2017 ; Borzée et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Population-level call properties of endangered Dryophytes suweonensissensu lato (Anura: Amphibia) in South Korea

Rahman,

Yun,

Lee

et al. 2023

PeerJ

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Calling is one of the unique amphibian characteristics that facilitates social communication and shows individuality; however, it also makes them vulnerable to predators. Researchers use amphibian call properties to study their population status, ecology, and behavior. This research scope has recently broadened to species identification and taxonomy. Dryophytes flaviventris has been separated from the endangered anuran species, D. suweonensis, based on small variations in genetic, morphometric, and temporal call properties observed in South Korea. The Chilgap Mountain (CM) was considered as the potential geographic barrier for the speciation. However, it initiated taxonomic debates as CM has been hardly used and is considered a potential barrier for other species. The calls of populations from both sides are also apparently similar. Thus, to verify the differences in call properties among populations of D. suweonensis sensu lato (s.l.; both of the species), we sampled and analyzed call data from five localities covering its distribution range, including the southern (S) and northern (N) parts of CM. We found significant differences in many call properties among populations; however, no specific pattern was observed. Some geographically close populations, such as Iksan (S), Wanju (S), and Gunsan (S), had significant differences, whereas many distant populations, such as Pyeongtaek (N) and Wanju (S), had no significant differences. Considering the goal of this study was only to observe the call properties, we cautiously conclude that the differences are at the population level rather than the species level. Our study indicates the necessity of further investigation into the specific status of D. flaviventris using robust integrated taxonomic approaches, including genetic and morphological parameters from a broader array of localities.

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Diversity and distribution of amphibians in central and northwest Bangladesh, with an updated checklist for the country

Cited by 5 publications

References 40 publications

Anthropogenic effects of habitat modification on anuran species diversity in a swamp forest area, Kenya

Anthropogenic effects of habitat modification on anuran species diversity in a swamp forest area, Kenya

First documentation on herpetofauna diversity in Gunung Belumut Amenity Forest, Peninsular Malaysia: Implications for conservation in an Environmentally Sensitive Area (ESA)

Population-level call properties of endangered Dryophytes suweonensissensu lato (Anura: Amphibia) in South Korea

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