Dracontium nivosum (Lem.) G.H.Zhu (Araceae): range extension from Amazonia to a brejo forest refugium in Northeast Brazil confirmed | Zendy

Ivanilza Moreira de Andrade | Zendy; Maria Francilene Souza Silva | Zendy; Thales Alves Ribeiro | Zendy; Simon Joseph Mayo | Zendy

Open Access

Dracontium nivosum (Lem.) G.H.Zhu (Araceae): range extension from Amazonia to a brejo forest refugium in Northeast Brazil confirmed

Author(s) -

Ivanilza Moreira de Andrade,

Maria Francilene Souza Silva,

Thales Alves Ribeiro,

Simon Joseph Mayo

Publication year - 2016

Publication title -

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Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.276

H-Index - 22

ISSN - 1809-127X

DOI - 10.15560/12.3.1908

Subject(s) - endangered species , threatened species , amazon rainforest , geography , range (aeronautics) , amazonian , ecology , occupancy , biology , habitat , materials science , composite material

The 558 km range extension of the Amazonian aroid Dracontium nivosum (Lem.) G.H.Zhu into semi-arid Northeast Brazil is confirmed. This species occurs in Ceara in threatened fragments of brejo forest at ca. 580–870 m elevation. An illustrated taxonomic description is provided. The species’ Extent of Occurrence (EOO) is estimated as 356,392 km 2 (meets Least Concern); the Area of Occupancy (AOO), 60 km 2 using a 2 ×2 km cell (Endangered). Within Ceara the EOO is 41.4 km 2 (Critically Endangered) and the AOO is 16 km 2 (Endangered).

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