https://earthlogs.org/2026/08/10/ups-and-downs-of-the-phanerozoic-biosphere-a-mathematical-approach/Earth-logsen2026-08-10T14:05:59+00:00Ups and downs of the Phanerozoic biosphere: a mathematical approachextinction, Carbon cycle, climate, Evolution, time series, Phanerozoic, biotic vulnerability, mathematical analysis, reductionism, biodiversity, cause and effect, rationalisation