K-Pg Impact Spurred the Evolution of the Modern Rainforest

[Oxytropidoceras]

How the Dinosaur-Killing Asteroid Spurred the Evolution of the Modern Rainforest

New evidence from fossil plants shows today’s South American rainforests arose

in the wake of Earth’s fifth mass extinction. Smithsonian Magazine

 

Prior to the Chicxulub impact, rainforests looked very different

Plant fossils from Colombia show a turnover from conifers to

today's forests. by Doug Johnson, Ars Technica, April 1, 2021

 

Paper

 

Carvalho, M.R., Jaramillo, C., de la Parra, F. et al. 2021. 

Extinction at the end-Cretaceous and the origin of modern 

Neotropical rainforests. Science. Vol. 372, Issue 6537, pp. 63-68

 

Related papers

 

Wing, S.L., Herrera, F., Jaramillo, C.A., Gómez-Navarro, 

C., Wilf, P. and Labandeira, C.C., 2009. Late Paleocene 

fossils from the Cerrejón Formation, Colombia, are the 

earliest record of Neotropical rainforest. Proceedings of 

the National Academy of Sciences, 106(44), pp.18627-18632.

 

Graham, H.V., Herrera, F., Jaramillo, C., Wing, S.L. and 

Freeman, K.H., 2019. Canopy structure in Late Cretaceous 

and Paleocene forests as reconstructed from carbon isotope 

analyses of fossil leaves. Geology, 47(10), pp.977-981.

Yours,

 

Paul H.

Edited April 1, 2021 by Oxytropidoceras
added citations

[Tidgy's Dad]

And from BBC News :

https://www.bbc.com/news/science-environment-56617409