Full length paper

Revisión de la metodología utilizada para categorizar especies amenazadas de la herpetofauna Argentina

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Cuadernos de Herpetología 26 (Supl. 1): 117-130, 2012 alejandrogiraudo@hotmail.com

Abstract

We review the method used to determine endangered species in Argentina, with the objectives of: (1) that can be used consistently by different people reducing subjectivity, (2) provide guidance on how to assess the factors that affect the risk of extinction, (3) provide users of red lists a better understanding of the categorization process, (4) provide a system that will facilitate comparisons across taxa. Over the previous method proposed 11 amendments in addition to reducing the number of variables to 6, all relevant to define the vulnerability of species including: (1) Distribution and degree of endemism, (2) Ecological rarity, (3) Human effects, (4) Reproductive potential, (5) Size, (6) Demographic rarity (abundance). The amendments are proposed in the range of values of the variables (sometimes following thresholds of IUCN) and provide theoretical guidance thresholds for the categories. For the first time in Argentina we made explicit the mechanisms to minimize bias due to subjectivity and uncertainty in the categorization process, including: (1) The consensus of multiple reviewers, (2) The use of a training guide, (3) Suggestions to manage uncertainty.

Key words:

Categorización; Método; Especies amenazadas; Red list; Argentina

Received: Dec. 24, 2011 ▪ Accepted: Mar. 09, 2012

Associate Editor: M. Vaira
Giraudo, A.R.; Duré, M.; Schaefer, E.; Lescano, J.N.; Etchepare, E.; Akmentins, M.S.; Natale, G.S.; Arzamendia, V.; Bellini, G.; Ghirardi, R. & Bonino, M. 2012. Revisión de la metodología utilizada para categorizar especies amenazadas de la herpetofauna Argentina. Cuadernos de Herpetología 26: 117-130.