Forest millipedes were used to test the Tropical Conservativism Hypothesis and the Biogeographical Conservativism Hypothesis. The Biogeographical Conservativism Hypothesis proposes that the processes involved are not unique to the tropics, but rather rely on historical biogeography to determine species richness distribution. To discriminate between the two ideas, the latitudinal diversity gradient (LDG) was assessed in the genus Sphaerotherium. The number of species and latitudinal degrees away from the equator had a significant connection (r=0.8701, r2=0.7571, =46, 0.00001). It was suggested that an evolutionary predilection for temperate habitats resulted in climatic restrictions on dispersal based mostly on precipitation seasonality gradients.
Author(s) Details:
Mark Cooper,
School of Animal, Plant & Environmental Sciences University of the
Witwatersrand, Johannesburg 2050, South Africa.
Please see the link here: https://stm.bookpi.org/NVBS-V9/article/view/5864
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