Ecological Changes in Miocene Mammalian Record Show Impact of Prolonged Climatic Forcing

DSpace/Manakin Repository

Ecological Changes in Miocene Mammalian Record Show Impact of Prolonged Climatic Forcing

Citable link to this page

 

 
Title: Ecological Changes in Miocene Mammalian Record Show Impact of Prolonged Climatic Forcing
Author: Pilbeam, David; Badgley, Catherine; Barry, John C.; Morgan, Michele Elizabeth; Behrensmeyer, Anna K.; Cerling, Thure E.

Note: Order does not necessarily reflect citation order of authors.

Citation: Badgley, Catherine, John C. Barry, Michele E. Morgan, Sherry V. Nelson, Anna K. Behrensmeyer, Thure E. Cerling, David Pilbeam. 2008. Ecological changes in Miocene mammalian record show impact of prolonged climatic forcing. Proceedings of the National Academy of Sciences of the United Stated of America 105(34): 12145-12149.
Full Text & Related Files:
Abstract: Geohistorical records reveal the long-term impacts of climate
change on ecosystem structure. A 5-myr record of mammalian
faunas from floodplain ecosystems of South Asia shows substantial
change in species richness and ecological structure in relation
to vegetation change as documented by stable isotopes of C and
O from paleosols. Between 8.5 and 6.0 Ma, C4 savannah replaced
C3 forest and woodland. Isotopic historical trends for 27 mammalian
herbivore species, in combination with ecomorphological data
from teeth, show three patterns of response. Most forest frugivores
and browsers maintained their dietary habits and disappeared.
Other herbivores altered their dietary habits to include
increasing amounts of C4 plants and persisted for >1 myr during
the vegetation transition. The few lineages that persisted through
the vegetation transition show isotopic enrichment of !13C values
over time. These results are evidence for long-term climatic forcing
of vegetation structure and mammalian ecological diversity at the
subcontinental scale.
Published Version: doi:10.1073/pnas.0805592105
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:3716602

Show full Dublin Core record

This item appears in the following Collection(s)

 
 

Search DASH


Advanced Search
 
 

Submitters