The Transition Zonen Mexicana: The Historic Transition Process Volume 5 - Issue 2

Gonzalo Halffter*

• Researcher, Instituto de Ecología, AC, Carretera Antigua a Coatepec, Mexico

Received:September 30, 2021   Published: October 08, 2021

Corresponding author: Gonzalo Halffter, Researcher, Instituto de Ecología, A.C., Carretera Antigua a Coatepec 351, El Haya, Xalapa, Veracruz, Mexico-91073

DOI: 10.32474/JAAS.2021.05.000211

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Abstract

My biogeographic ideas have been acquiring a more consolidated expression and meaning. They are not free, more than fifty years of doing biogeography. The central axis is a moving earth surface, on which not only the surface, but also the organisms that inhabit it, move. The earth is constant motion, but that motion is not random. Determinate influences, which establish what happens and what does not happen. At the same time, it happens with plants and animals; change, evolution is not a random process. For us everything revolves around a distribution problem, since this is what we are essentially interested in.

Introduction| The ZTM According to Halffter| The Paleogeographic Scenario| Pliocene-Pleistocen|