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Distribution and habitat of the Laotian Rock Rat Laonastesaenigmamus Jenkins, Kilpatrick, Robinson & Timmins, 2005 (Rodentia: Diatomyidae) in Vietnam

Biodiversity data journal, 2014 (2), p.e4188-e4188 [Peer Reviewed Journal]

ISSN: 1314-2828 ;EISSN: 1314-2828 ;DOI: 10.3897/BDJ.2.e4188 ;PMID: 25589873

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  • Title:
    Distribution and habitat of the Laotian Rock Rat Laonastesaenigmamus Jenkins, Kilpatrick, Robinson & Timmins, 2005 (Rodentia: Diatomyidae) in Vietnam
  • Author: Nguyen, Dang Xuan ; Nguyen, Nghia Xuan ; Nguyen, Duy Dinh ; Dinh, Tri Huy ; Le, Dinh Thuc ; Dinh, Duong Hai
  • Is Part Of: Biodiversity data journal, 2014 (2), p.e4188-e4188
  • Description: The Laotian Rock Rat Laonastesaenigmamus Jenkins, Kilpatrick, Robinson & Timmins, 2005 was originally discovered in Lao People's Democratic Republic in 2005. This species has been recognized as the sole surviving member of the otherwise extinct rodent family Diatomyidae. Laonastesaenigmamus was initially reported only in limestone forests of Khammouane Province, Central Lao. A second population was recently discovered in Phong Nha Ke Bang National Park (PNKB NP), Quang Binh Province, Central Vietnam in 2011. The confirmed distribution range of L.aenigmamus in Vietnam is very small, approximately 150 km(2), covering low karst mountains in five communes of Minh Hoa District, Quang Binh Province, at elevations between 250 and 400 m asl. The Laotian Rock Rat inhabits the lower part of steep karst towers with many rock boulders and crevices under tall limestone evergreen forest. They use small rock crevices for their dens. The natural habitat of this species in PNKB NP has been affected by selected timber harvesting, however, a complex 3-4 layer forest structure is retained. The Laotian Rock Rat is omnivorous, feeding on parts (leaves, buds, fruits and roots) of 18 plant species and also some insects (cicada, mantis, grasshopper). The population of this species in PNKB NP is seriously threatened with extinction due to its very restricted distribution, high hunting pressure, and habitat disturbance. Laonastesaenigmamus is listed in the IUCN Red List as endangered and in the Wildlife and Aquatic Red List of Lao, however, this species has not been listed in the Red Data Book or any conservation legislative documents of Vietnam.
  • Publisher: Bulgaria
  • Language: English
  • Identifier: ISSN: 1314-2828
    EISSN: 1314-2828
    DOI: 10.3897/BDJ.2.e4188
    PMID: 25589873
  • Source: Pensoft Open Access Journals
    PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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