Collectanea Botanica, Vol 36 (2017)

El “antropoceno” al desnudo


https://doi.org/10.3989/collectbot.2017.v36.008

V. Rull
Institute of Earth Sciences Jaume Almera (ICTJA-CSIC), España
orcid http://orcid.org/0000-0002-9961-105X

Resumen


El “Antropoceno”, definido como una nueva época geológica caracterizada por la huella humana global sobre el Sistema Tierra, se ha convertido en un término muy usado en una gran variedad de disciplinas. Sin embargo, todavía hay una serie de ideas equivocadas sobre el origen y la validez científica de este término. Un error muy común es pensar que el término y el concepto de “Antropoceno” se originaron a principios de este siglo, pero la verdad es que este concepto ya estaba plenamente desarrollado hace más de 140 años. Otra equivocación frecuente es considerar que el “Antropoceno” ya es un término geológico formal, cuando la realidad es que el proceso de su formalización como una nueva época de la Escala del Tiempo Geológico ni siquiera ha empezado. Otro aspecto muy poco tratado es la importancia del futuro cultural y evolutivo de nuestra especie en la eventual definición de una nueva época geológica como el “Antropoceno”. En este ensayo se discuten estos aspectos para una audiencia no especializada. Las posibles consecuencias de la presión humana incontrolada sobre el Sistema Tierra y la necesidad de reconsiderar nuestra relación con el planeta no se discuten aquí. El ensayo está centrado, únicamente, en la utilización de este argumento para proponer que hemos entrado en una nueva época de la Escala del Tiempo Geológico.

Palabras clave


Antropoceno; Antropozoico; Escala del Tiempo Geológico; estratigrafía; forzamiento antrópico; huella humana

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