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Middle Miocene - Early Pliocene grass communities of the Central Andean Plateau (CAP)
The Cordillera was about ~1700 m.a.s.l. in the Middle Miocene and reached near-modern elevations (~4000 m.a.s.l.) by the early Pliocene.
In a recent paper, Martinez et al., (2020) investigated the paleobotanical record of the Descanso formation (Peru) and documented the shift from of a montane ecosystem in the Miocene to Puna vegetation representing the earliest evidence of a Puna-like ecosystem. In addition, they used fossil evidence to make climate inference suggesting wetter conditions in the Miocene and modern precipitation levels in the Pliocene.
High elevation
In a recent paper, Martinez et al., (2020) investigated the paleobotanical record of the Descanso formation (Peru) and documented the shift from of a montane ecosystem in the Miocene to Puna vegetation representing the earliest evidence of a Puna-like ecosystem. In addition, they used fossil evidence to make climate inference suggesting wetter conditions in the Miocene and modern precipitation levels in the Pliocene.
High elevation
