Habitats
under the influence of human activities have different climatic conditions than
natural systems that frequently are used as reference for restoration.
Furthermore, historic systems are not always good reference for restoration
projects because local climate has been changed by human impacts. The Punhuato
mountain is a natural protected area; in the vicinity of Morelia, the capital
of the state of Michoacán, México. Restoration projects in this natural
protected area need to consider the influence of Morelia, because of the heat
island effect of the urban area. We evaluated survival of Ceiba aesculifolia and Quercus
castanea following a mesic-xeric gradient in the slope facing the urban
area to determine feasibility of restoring oak forest or subtropical vegetation
in the area. Overall Ceiba survival is higher than oaks
survival. In the North slope, Ceiba had a survival of 73 % and
oaks 81 %. In the South slope, Ceibas survival was 84 % and oak survival was 46
%. Our results shows
the influence of the urban heat island due to the orientation (SW) of the
predominant winds in the valley of Morelia
The potential distribution of these species do not match the historical
distribution that can be inferred from several sources.