The controversy space on Quaternary megafaunal extinctions
| Autor: | Bernardo B.A. Araujo, J. A. Monjeau, Guillermo Abramson, Marcelo N. Kuperman, José Luis Lanata, María Fabiana Laguna |
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| Jazyk: | angličtina |
| Rok vydání: | 2017 |
| Předmět: |
Dialectic
010506 paleontology Extinction 060102 archaeology Ecology CONTROVERSIES Otras Ciencias Biológicas Common ground Context (language use) 06 humanities and the arts MEGAFAUNA Space (commercial competition) Biology 01 natural sciences Epistemology Ciencias Biológicas EXTINCTION Megafauna 0601 history and archaeology Quaternary Anthropic principle CIENCIAS NATURALES Y EXACTAS 0105 earth and related environmental sciences Earth-Surface Processes |
| Popis: | In this work, we analyze the origin and development of the debate on megafaunal extinctions using the Controversy Space Model (CSM). The CSM is composed of a common ground of theoretical agreements and a dialectical dynamic of disputes regarding the causes of extinction, called refocalization, identifying phases of conceptual blockage and unblockage. The hypotheses are clustered in three major groups, according to causes of extinction: anthropic, biotic, and environmental. We argue that the evolution of the controversy space follows a succession of questions relevant to each period, the answers to which need to be settled to allow the debate to move forward. We postulate that nowadays this controversy space is suffering a period of conceptual blockage. This may be because authors are assembled around two major paradigms: environmental versus anthropic causes. Each of these two theoretical positions looks at a portion of reality that may be partially true, but incomplete in terms of a global theory of extinction. We propose that this conceptual blockage could be solved by developing a mathematical model in which each hypothesis plays a role in a mechanistic way. The relative importance of each hypothesis may vary depending on its respective context. It follows from this that it should not matter which cause is favored: the emphasis should be given to all causes acting together in a predictable manner. Fil: Monjeau, Jorge Adrian. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fundación Bariloche; Argentina Fil: Araujo, B.. Universidade Federal do Rio de Janeiro; Brasil Fil: Abramson, Guillermo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina Fil: Kuperman, Marcelo Nestor. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina. Comisión Nacional de Energía Atómica. Gerencia del Área de Energía Nuclear. Instituto Balseiro; Argentina Fil: Laguna, Maria Fabiana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina Fil: Lanata, Jose Luis. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Diversidad Cultural y Procesos de Cambio. Universidad Nacional de Río Negro. Instituto de Investigaciones en Diversidad Cultural y Procesos de Cambio; Argentina |
| Databáze: | OpenAIRE |
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