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Data-Derived Walter Biomes
We make extensive use of data from 600 Permian fossil plant localities,
which provides the highest resolution of paleoclimatic information.
By considering spatial patterns of generic diversity as well as leaf
morphologies (representing different adaptations to the prevailing climate
such as variations in seasonality) we are able to delineate climate
biomes. These biomes can be related to Present-Day equivalents and to
the model results for temperature and precipitation. The floral data
allows resolution of important climate information contained in the
spectrum between 'dry' and 'wet' end-member indicators such as evaporites
and coals.
- shows extent of available data coverage
- arrays localites with similar lists together and different ones
apart
- information on leaf morphology patterns and diversity
- represents differnt adaptations to the prevailing climate such as
variations in seasonality
- this example is from the Sakmarian; Wordian not yet available
- specific interpretations of biomes by local workers
- synthesis of above information
- shows how anchor points define the center of each biome region
- the correspondence analysis results and morphocat pies define the
boundaries between each biome
- shows where basis for biome associations are strong or weak
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