Endemic Marsh Mongoose Herpestes palustris (Carnivora: Herpestidae) of East Kolkata Wetlands, India: a status report

Mallick, Jayanta Kumar

doi:10.11609/jott.o1936.215-20

Cited by 10 publications

(12 citation statements)

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“…Wetlands in India provide habitats for more than 300 bird species and diverse mammalian taxa, which play important ecological roles (Prater & Barruel 1971, Kumar & Gupta 2009, Mallick 2009, Gray et al 2015. Often considered as wastelands, wetlands have been subjected to conversion to agriculture, industry, fish farming, and road building (Barbier et al 1997, Bassi et al 2014, Mukherjee et al 2016.…”

Section: Wir Haben Eine Systematische Literaturrecherche Anhand Von Evidenzbasiertenmentioning

confidence: 99%

“…We adopted a systematic search protocol following the evidence-based conservation approach to obtain information on conservation threats and identify knowledge gaps for 11 mammal species, viz., fishing cat Prionailurus viverrinus, (Indian) smooth-coated otter Lutrogale perspicillata, Eurasian otter Lutra lutra, Asian small-clawed otter Aonyx cinereus, Bengal marsh mongoose Herpestes palustris, crabeating mongoose Herpestes urva, (Indian) hog deer Axis porcinus, swamp deer or barasingha Rucervus duvaucelii, sangai, brow-antlered deer or Eld's deer Rucervus eldii eldii, wild Asian buffalo or wild water buffalo Bubalus arnee and Indian rhinoceros or greater one-horned rhinoceros Rhinoceros unicornis. Published literature (Prater & Barruel 1971, Mallick 2009, Gray et al 2015 has identified these species as wetland specialists that are closely associated with wetland ecosystems in India.…”

Section: Wir Haben Eine Systematische Literaturrecherche Anhand Von Evidenzbasiertenmentioning

confidence: 99%

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Assessing the threats facing wetland mammals in India using an evidence‐based conservation approach

Chatterjee

Bhattacharyya

2021

Mammal Review

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1. Environmental change and anthropogenic pressure are primary drivers of biodiversity loss, particularly in wetland ecosystems that have been modified significantly. Among wetland specialists, mammals may be particularly vulnerable to extinction. We aimed to increase understanding of threats and knowledge gaps faced by 11 mammal species inhabiting wetlands throughout India. 2. We adopted a systematic literature search protocol following an evidencebased conservation approach to obtain information on conservation threats and identify knowledge gaps for each species. Each species received threat scores based on the occurrence and magnitude of ecological and anthropogenic threats, a score based on its International Union for Conservation of Nature (IUCN) Red List category, and a knowledge gap score. A cumulative conservation threat score based on the four individual scores was calculated for each species to assess overall conservation threats. 3. Only about 10% of the literature search results were relevant. Of the major research categories, ecology was the most well-studied, whereas the impact of anthropogenic pressure on wetland mammals was the least studied. Pressing ecological and anthropogenic threats, scientific knowledge gaps, and conservation needs contributed to a high cumulative threat score for the sangai Rucervus eldii eldii (cumulative threat score = 34), followed by the wild Asian buffalo Bubalus arnee (threat score = 33) and the Bengal marsh mongoose Herpestes palustris (threat score = 32). Poaching/hunting, habitat loss due to development, and changes in land-use practices were found to be the major anthropogenic threats resulting in decreasing population trends. We identified knowledge gaps concerning the ecology of wetland mammals (e.g. population abundance). It is essential that these knowledge gaps are filled for effective conservation planning. 4. We identified important areas (population ecology, disease ecology, humanwildlife conflict, changes in land use) that should be considered as research priorities for wetland mammals in India, in order to make conservation efforts more effective and enable management planning, to ensure the long-term survival of these mammals. ZUSAMMENFASSUNG AUF DEUTSCH 1. Umweltveränderungen und anthropogener Druck sind Haupttreiber für den Verlust der biologischen Vielfalt, insbesondere in Feuchtgebieten, die erhebliche ökosystemare Veränderungen erfahren haben. Unter den Feuchtgebietsspezialisten sind Säugetiere möglicherweise besonders vom Aussterben bedroht. Ziel unserer Studie war es, das Verständnis von Bedrohungen und Wissenslücken für 11 Säugetierarten in Feuchtgebieten Indiens zu verbessern.

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Section: Wir Haben Eine Systematische Literaturrecherche Anhand Von Evidenzbasiertenmentioning

confidence: 99%

Section: Wir Haben Eine Systematische Literaturrecherche Anhand Von Evidenzbasiertenmentioning

confidence: 99%

Assessing the threats facing wetland mammals in India using an evidence‐based conservation approach

Chatterjee

Bhattacharyya

2021

Mammal Review

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“…Among the 37 recognised species of mongoose in the world, seven species are found in India, the Bengal mongoose Herpestes palustris (Ghose, 1965) being the latest discovered (Mallick, 2009;Sahajpal et al, 2009). H. palustris is the only endemic member of its genus from India (Kamalakanan & Venkataraman, 2017), and the Nalbani area (currently Nalban) in East Kolkata Wetlands, West Bengal in eastern India is its type locality (Ghose, 1965).…”

Section: Introductionmentioning

confidence: 99%

Notes on the Threats to the Endemic Bengal Mongoose from the Nalban Fisheries Complex in West Bengal, India

Chakraborti

Yardi²,

John³

et al. 2022

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A lack of current data on Bengal mongoose Herpestes palustris in India inhibits the development of conservation strategies for this endemic wetland mammal. Structured interviews were conducted to assess the threats and examine the ecological importance of the Bengal mongoose in the Nalban fisheries complex in West Bengal for four months (May to August 2017). Over half of the interviewees perceived that the Bengal mongoose faces several threats and that its population has declined over the years. The respondents said that the removal of vegetation is the main reason for the declining mongoose numbers. The ecological importance of the mongoose was apparent among most interviewees. The results suggest that the endemic Bengal mongoose faces multiple anthropogenic hazards and emphasize the critical need for conservation efforts.

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“…Knowledge on spatial scale and landscape heterogeneity is integral to the understanding of species habitat associations. Several factors including trapping for meat or fur (used in shaving and paint brushes), and good luck charms threaten the viability of mongooses (Mallick, 2009). In addition, limited data are available on the taxonomic status, habitat requirements, ecological niche differentiations, and genetic distances among the populations of U. edwardsii across its distribution range, which hinders the effective management of the species.…”

Section: Introductionmentioning

confidence: 99%

Genetic structure and ecological niche segregation of Indian gray mongoose (Urva edwardsii) in Iran

Oboudi

Malekian

Khosravi

et al. 2021

Ecology and Evolution

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Combining genetic data with ecological niche models is an effective approach for exploring climatic and nonclimatic environmental variables affecting spatial patterns of intraspecific genetic variation. Here, we adopted this combined approach to evaluate genetic structure and ecological niche of the Indian gray mongoose (Urva edwardsii) in Iran, as the most western part of the species range. Using mtDNA, we confirmed the presence of two highly differentiated clades. Then, we incorporated ensemble of small models (ESMs) using climatic and nonclimatic variables with genetic data to assess whether genetic differentiation among clades was coupled with their ecological niche. Climate niche divergence was also examined based on a principal component analysis on climatic factors only. The relative habitat suitability values predicted by the ESMs for both clades revealed their niche separation. Between‐clade climate only niche comparison revealed that climate space occupied by clades is similar to some extent, but the niches that they utilize differ between the distribution ranges of clades. We found that in the absence of evidence for recent genetic exchanges, distribution models suggest the species occurs in different niches and that there are apparent areas of disconnection across the species range. The estimated divergence time between the two Iranian clades (4.9 Mya) coincides with the uplifting of the Zagros Mountains during the Early Pliocene. The Zagros mountain‐building event seems to have prevented the distribution of U. edwardsii populations between the western and eastern parts of the mountains as a result of vicariance events. Our findings indicated that the two U. edwardsii genetic clades in Iran can be considered as two conservation units and can be utilized to develop habitat‐specific and climate change‐integrated management strategies.

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Endemic Marsh Mongoose Herpestes palustris (Carnivora: Herpestidae) of East Kolkata Wetlands, India: a status report

Cited by 10 publications

References 1 publication

Assessing the threats facing wetland mammals in India using an evidence‐based conservation approach

Assessing the threats facing wetland mammals in India using an evidence‐based conservation approach

Notes on the Threats to the Endemic Bengal Mongoose from the Nalban Fisheries Complex in West Bengal, India

Genetic structure and ecological niche segregation of Indian gray mongoose (Urva edwardsii) in Iran

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