@ARTICLE{TreeBASE2Ref24062,
author = {Vera Hoffmann and G. Anthony Verboom and F. P.D. Cotterill},
title = {Dated plant phylogenies resolve Neogene climate and landscape evolution in the Cape Floristic Region},
year = {2015},
keywords = {ancestral trait reconstruction;molecular dating;geoecodynamics;geomorphology;paleoclimate;phylogeny},
doi = {10.1371/journal.pone.0137847},
url = {http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0137847},
pmid = {},
journal = {PLOS ONE},
volume = {10},
number = {9},
pages = {},
abstract = {In the context of molecularly-dated phylogenies, ancestral habitat reconstruction inference can yield valuable insights into the origins of biomes, palaeoenvironments and landforms. In this paper, we use dated phylogenies of 12 plant clades from the Cape Floristic Region (CFR) in southern Africa to test hypotheses of Neogene climatic and geomorphic evolution. Our combined dataset strengthens and refines previous palaeoenvironmental reconstructions weakened by a sparse, mostly offshore fossil record. Our reconstructions show remarkable consistency with regard to both the types of environments identified as ancestral, and the timing of shifts to alternative conditions. They reveal that Early Miocene land surfaces of the CFR were wetter than at present and were dominated by quartzitic substrata. These conditions continue to characterize the higher-elevation settings of the Cape Fold Belt, where they have fostered the persistence of ancient fynbos lineages. The Middle Miocene (13-17 Ma) saw the development of perennial to weak seasonally-arid conditions, with the strongly seasonal rainfall regime of the west coast arising ~6.5-8 Ma. Although the Late Miocene may have seen some exposure of the underlying shale substrata, the present-day substrate diversity of the CFR lowlands was shaped by Pliocene-Pleistocene events. Particularly important was renewed erosion, following the post-African II uplift episode, and the reworking of sediments on the coastal platform as a consequence of marine transgressions and tectonic uplift. These changes facilitated adaptive radiations in some, but not all, lineages studied.}
}
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Citation title: "Dated plant phylogenies resolve Neogene climate and landscape evolution in the Cape Floristic Region".
Study name: "Dated plant phylogenies resolve Neogene climate and landscape evolution in the Cape Floristic Region".
This study is part of submission 16918
(Status: In Progress).
Citation
Hoffmann V., Verboom G.A., & Cotterill F.P. 2015. Dated plant phylogenies resolve Neogene climate and landscape evolution in the Cape Floristic Region. PLOS ONE, 10(9).
Authors
Hoffmann V.
(submitter)
Verboom G.A.
Cotterill F.P.
Abstract
In the context of molecularly-dated phylogenies, ancestral habitat reconstruction inference can yield valuable insights into the origins of biomes, palaeoenvironments and landforms. In this paper, we use dated phylogenies of 12 plant clades from the Cape Floristic Region (CFR) in southern Africa to test hypotheses of Neogene climatic and geomorphic evolution. Our combined dataset strengthens and refines previous palaeoenvironmental reconstructions weakened by a sparse, mostly offshore fossil record. Our reconstructions show remarkable consistency with regard to both the types of environments identified as ancestral, and the timing of shifts to alternative conditions. They reveal that Early Miocene land surfaces of the CFR were wetter than at present and were dominated by quartzitic substrata. These conditions continue to characterize the higher-elevation settings of the Cape Fold Belt, where they have fostered the persistence of ancient fynbos lineages. The Middle Miocene (13-17 Ma) saw the development of perennial to weak seasonally-arid conditions, with the strongly seasonal rainfall regime of the west coast arising ~6.5-8 Ma. Although the Late Miocene may have seen some exposure of the underlying shale substrata, the present-day substrate diversity of the CFR lowlands was shaped by Pliocene-Pleistocene events. Particularly important was renewed erosion, following the post-African II uplift episode, and the reworking of sediments on the coastal platform as a consequence of marine transgressions and tectonic uplift. These changes facilitated adaptive radiations in some, but not all, lineages studied.
@ARTICLE{TreeBASE2Ref24062,
author = {Vera Hoffmann and G. Anthony Verboom and F. P.D. Cotterill},
title = {Dated plant phylogenies resolve Neogene climate and landscape evolution in the Cape Floristic Region},
year = {2015},
keywords = {ancestral trait reconstruction;molecular dating;geoecodynamics;geomorphology;paleoclimate;phylogeny},
doi = {10.1371/journal.pone.0137847},
url = {http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0137847},
pmid = {},
journal = {PLOS ONE},
volume = {10},
number = {9},
pages = {},
abstract = {In the context of molecularly-dated phylogenies, ancestral habitat reconstruction inference can yield valuable insights into the origins of biomes, palaeoenvironments and landforms. In this paper, we use dated phylogenies of 12 plant clades from the Cape Floristic Region (CFR) in southern Africa to test hypotheses of Neogene climatic and geomorphic evolution. Our combined dataset strengthens and refines previous palaeoenvironmental reconstructions weakened by a sparse, mostly offshore fossil record. Our reconstructions show remarkable consistency with regard to both the types of environments identified as ancestral, and the timing of shifts to alternative conditions. They reveal that Early Miocene land surfaces of the CFR were wetter than at present and were dominated by quartzitic substrata. These conditions continue to characterize the higher-elevation settings of the Cape Fold Belt, where they have fostered the persistence of ancient fynbos lineages. The Middle Miocene (13-17 Ma) saw the development of perennial to weak seasonally-arid conditions, with the strongly seasonal rainfall regime of the west coast arising ~6.5-8 Ma. Although the Late Miocene may have seen some exposure of the underlying shale substrata, the present-day substrate diversity of the CFR lowlands was shaped by Pliocene-Pleistocene events. Particularly important was renewed erosion, following the post-African II uplift episode, and the reworking of sediments on the coastal platform as a consequence of marine transgressions and tectonic uplift. These changes facilitated adaptive radiations in some, but not all, lineages studied.}
}
TY - JOUR
ID - 24062
AU - Hoffmann,Vera
AU - Verboom,G. Anthony
AU - Cotterill,F. P.D.
T1 - Dated plant phylogenies resolve Neogene climate and landscape evolution in the Cape Floristic Region
PY - 2015
KW - ancestral trait reconstruction;molecular dating;geoecodynamics;geomorphology;paleoclimate;phylogeny
UR - http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0137847
N2 - In the context of molecularly-dated phylogenies, ancestral habitat reconstruction inference can yield valuable insights into the origins of biomes, palaeoenvironments and landforms. In this paper, we use dated phylogenies of 12 plant clades from the Cape Floristic Region (CFR) in southern Africa to test hypotheses of Neogene climatic and geomorphic evolution. Our combined dataset strengthens and refines previous palaeoenvironmental reconstructions weakened by a sparse, mostly offshore fossil record. Our reconstructions show remarkable consistency with regard to both the types of environments identified as ancestral, and the timing of shifts to alternative conditions. They reveal that Early Miocene land surfaces of the CFR were wetter than at present and were dominated by quartzitic substrata. These conditions continue to characterize the higher-elevation settings of the Cape Fold Belt, where they have fostered the persistence of ancient fynbos lineages. The Middle Miocene (13-17 Ma) saw the development of perennial to weak seasonally-arid conditions, with the strongly seasonal rainfall regime of the west coast arising ~6.5-8 Ma. Although the Late Miocene may have seen some exposure of the underlying shale substrata, the present-day substrate diversity of the CFR lowlands was shaped by Pliocene-Pleistocene events. Particularly important was renewed erosion, following the post-African II uplift episode, and the reworking of sediments on the coastal platform as a consequence of marine transgressions and tectonic uplift. These changes facilitated adaptive radiations in some, but not all, lineages studied.
L3 - 10.1371/journal.pone.0137847
JF - PLOS ONE
VL - 10
IS - 9
ER -
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Citation title: "Dated plant phylogenies resolve Neogene climate and landscape evolution in the Cape Floristic Region".
10.1371/journal.pone.0137847
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