Geography Reference
In-Depth Information
Figure 4.8
Biogeographic analysis of marine mammals by Aguilar-Aguilar and Contreras-
Medina (2001). (a-f) Individual tracks: (a)
Mirounga angustirostris;
(b)
Eschrichtius robus-
tus;
(c)
Lagenorhynchus obliquidens;
(d)
Lissodelphis borealis;
(e)
Phocoenoides dalli;
(f)
Berardius bairdi;
(g) generalized tracks and node. A, northern Pacific Ocean track; B, Amer-
ican Pacific track; C, central Atlantic Ocean track.
From the geological viewpoint, it is difficult to interpret the complex history
of the Gulf of California and its relationship with the Baja California Peninsula
(FerrusquÃa-Villafranca 1998). The coastal area of California and the Baja Califor-
nia Peninsula do not form part of the North American plate but belong to the Pa-
