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Enrique Richard

Bio: Enrique Richard is an academic researcher. The author has contributed to research in topics: Acanthochelys pallidipectoris. The author has an hindex of 2, co-authored 3 publications receiving 138 citations.

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Journal ArticleDOI
TL;DR: Vaira et al. as mentioned in this paper presented a study of the relationship between Bio-Geography and Ingenieria at the Instituto de Bio and Geociencias del NOA.
Abstract: Fil: Vaira, Marcos. Universidad Nacional de Jujuy. Facultad de Ingenieria. Centro de Investigaciones Basicas y Aplicadas; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Salta. Instituto de Bio y Geociencias del NOA. Universidad Nacional de Salta. Facultad de Ciencias Naturales. Museo de Ciencias Naturales. Instituto de Bio y Geociencias del NOA; Argentina

140 citations


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Journal ArticleDOI
29 Mar 2019-Science
TL;DR: A global, quantitative assessment of the amphibian chytridiomycosis panzootic demonstrates its role in the decline of at least 501 amphibian species over the past half-century and represents the greatest recorded loss of biodiversity attributable to a disease.
Abstract: Anthropogenic trade and development have broken down dispersal barriers, facilitating the spread of diseases that threaten Earth's biodiversity. We present a global, quantitative assessment of the amphibian chytridiomycosis panzootic, one of the most impactful examples of disease spread, and demonstrate its role in the decline of at least 501 amphibian species over the past half-century, including 90 presumed extinctions. The effects of chytridiomycosis have been greatest in large-bodied, range-restricted anurans in wet climates in the Americas and Australia. Declines peaked in the 1980s, and only 12% of declined species show signs of recovery, whereas 39% are experiencing ongoing decline. There is risk of further chytridiomycosis outbreaks in new areas. The chytridiomycosis panzootic represents the greatest recorded loss of biodiversity attributable to a disease.

680 citations

21 Jan 2010
TL;DR: Relatorio de Unidade Curricular, apresentado for Provas de Agregacao em Biologia, na especialidade de Ecologia de Coimbra as mentioned in this paper.
Abstract: Relatorio de Unidade Curricular, apresentado para Provas de Agregacao em Biologia, na especialidade de Ecologia, da Faculdade de Ciencias e Tecnologia da Universidade de Coimbra

309 citations

Journal ArticleDOI
01 Nov 2016-Toxicon
TL;DR: Results gathered to date reveal a dichotomy of venom phenotypes regarding the relative abundance of the omnipresent phospholipases A2 and 'three-finger' toxins within Micrurus, and two divergent toxin expression phenotypes appear to be related to phylogenetic positions and geographical distributions along a North-South axis in the Americas.

87 citations

Journal ArticleDOI
TL;DR: This study represents the first evidence of adverse effects of glyphosate and RU formulation on the liver of anuran larvae at concentrations frequently found in the environment.

55 citations

Journal ArticleDOI
TL;DR: In this article, the authors assessed suitable climate spaces at present conditions and estimated potential future changes in the distributions of the five southernmost venomous snakes, responsible for almost 99% of accidents in Argentina, by implementing an ensemble of forecasts between different algorithms and scenarios.
Abstract: Snakebite envenoming is an important public health problem worldwide and addressing this issue has turned into a challenge for applied science. In this sense, the study of the distributional patterns of problematic snakes is central in terms of public health. Global Climate Change is affecting the distributional ranges of snakes, so that decisions regarding treatment of ophidism (poisoning by snake venom) may also change spatially and/or temporally. Here, we assessed suitable climate spaces at present conditions and estimated potential future changes in the distributions of the five southernmost venomous snakes, responsible for almost 99 % of accidents in Argentina, by implementing an ensemble of forecasts between different algorithms and scenarios for 2030 and 2080. Present suitable climate spaces showed high concordance with known distribution of the species. Future projections show moderate “north to south” displacements of the snakes’ suitable climate spaces, implying potential increments of suitable spaces in human populated areas in Argentina. Our results suggest the necessity of considering ophidism as a dynamic problem. In this regard, the analyses implemented here are useful tools in improving the assessment of snakebite envenoming in light of global climate change.

50 citations