Geography Reference
In-Depth Information
Figure 4.13
Biogeographic analysis of the Mexican cloud forests by Luna-Vega et al.
(1999). (a) PAE cladogram obtained; (b) generalized tracks identified.
On the basisof these results, Luna-Vegaet al. (1999) concluded that five major
Mexican forest units diverged sequentially from a former continuous forest as a
consequence of past geological and climatic events. They also concluded that
some of the phytogeographic provinces recognized traditionally, such as the Si-
erra Madre Oriental, the Sierra Madre del Sur, and the Serranías Meridionales, did
not represent natural units because their cloud forests exhibited different, complex
relationships.
References
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Luna, I., L. Almeida, and J. Llorente. 1989. Florística y aspectos fitogeográficos del
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PAUP*: Phylogenetic analysis using parsimony (*and other meth-
ods). Version 4.0 beta.
Sunderland, Mass.: Sinauer.
García-Barros (2003) analyzed the geographic distribution of species of butterflies
of the families Papilionidae, Pieridae, Lycaenidae, and Nymphalidae of the west-
ern Palearctic. The author analyzed 196 species and subspecies endemic to the
study area, in 245 grid cells of 1° × 1°. García-Barros used Winclada (Nixon 1999)
and NONA (Goloboff 1993) to undertake a PAE-PCE. He also used PAUP (Swof-
ford 2003), with Goloboff constant
k
= 0 to obtain a cladogram, as suggested by
Luna-Vega et al. (2000) and García-Barros et al. (2002), and additionally obtained
