WebA boreotropical migration route was supported over Indian rafting as the best fitting hypothesis to explain present-day distribution patterns within the family. Early diversification within Annonaceae fits the hypothesis of a museum model of tropical diversification, with an overall steady increase in lineages possibly due to low extinction rates. WebThe global distribution of this clade makes it an excellent group to test hypotheses regarding the processes underlying tropical intercontinental disjunctions. More specifically, it allows us to test whether current distribution patterns resulted from recent transoceanic long-distance dispersal or ancient vicariance after boreotropical migration.
Boreotropical range expansion and long-distance
Boreotropical flora were plants that may have formed a belt of vegetation around the Northern Hemisphere during the Eocene epoch. These included forests composed of large, fast-growing trees (such as dawn redwoods) as far north as 80°N. WebSep 1, 2007 · To determine whether the fragmented pantropical distribution of present day Sideroxyleae primarily is the result of long-distance dispersals or represents the remnants of a once continuous distribution in the northern hemisphere, the boreotropical flora, we used phylogenetic analyses of chloroplast and nuclear ribosomal DNA data, Bayesian … good topics or bad topics
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WebOct 10, 2024 · The presence of Staphyleaceae in southern Mexico ca. 23 to 15My ago is evidence of the long history of integration of vegetation in low-latitude North America, in which some lineages, such as Staphylea, could move southwards from high latitudes of the Northern Hemisphere, as part of the Boreotropical Flora. In Mexico it grew in … WebNov 25, 2010 · A boreotropical migration route was supported over Indian rafting as the best fitting hypothesis to explain present‐day distribution patterns within the family. Main conclusions Early diversification within Annonaceae fits the hypothesis of a museum model of tropical diversification, with an overall steady increase in lineages possibly due to ... WebAdjective [ edit] boreotropical ( not comparable ) Relating to the boreotropics. This page was last edited on 25 September 2024, at 14:52. Text is available under the Creative … good topics for workshops for teachers