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Granitobolus endemicus: Red List Assessment

AutorInnen: 
Wesener, Thomas; Rudolf, Elena
Erscheinungsjahr: 
2017
Vollständiger Titel: 
Granitobolus endemicus. The IUCN Red List of Threatened Species 2017
Autor/-innen des ZFMK: 
Org. Einordnung: 
Publiziert in: 
The IUCN Red List of Threatened Species
Publikationstyp: 
Elektronische Publikation
DOI Name: 
http://dx.doi.org/10.2305/IUCN.UK.2017-1.RLTS.T80580633A80580638.en
Keywords: 
Myriapoda, Red List, Diplopoda
Bibliographische Angaben: 
Wesener, T. & Rudolf, E. 2017. Granitobolus endemicus. The IUCN Red List of Threatened Species 2017: e.T80580633A80580638.
Abstract: 

The Lavasoa Stone-Millipede (Granitobolus endemicus) is endemic to the rainforest of the Lavasoa Mountain in southeastern Madagascar. This mountain was entirely covered by rainforest until the 1960s, but the forested area has now reduced to three small forest fragments of less than 100 ha in total. Accordingly, the species' extent of occurrence (EOO) and the area of occupancy (AOO) are estimated to be only 4 km², although the actual area occupied by the species is likely estimated to be less than 1 km². The remaining forest fragments are under anthropogenic pressure due to selective logging in the forest as well as slash and burn agriculture at the margins of the forested areas. Due to a growth of the local population, those effects are increasing, leading to a continuous decline of the species' EOO, AOO, habitat and the number of mature individuals of the species. The Lavasoa Stone-Millipede is thus listed as Critically Endangered as it is only known from one location with an EOO and AOO within the thresholds for Critically Endangered and multiple declines inferred to occur to the species.

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t.wesener [at] leibniz-zfmk.de