There are many books and computer programs dealing look ahead rather
than pondering the past. This is a with data analysis. It would be easy
to count at least a manual of recent views that evolved in the study of
hundred, yet few of these would show applications in vegetation. This
book is intended to emphasize the new vegetation science. Today in the
face of environmental acquisitions which we believe significantly affect
the degradation caused by anthropogenic pressures on the future of
vegetation analysis: biosphere there is added urgency to study
vegetation 1. Vegetation is a 'fuzzy' system, it must be treated as
processes and dynamics in order to understand their role such at the set
level, where the idea ofconceptualized in regulating the water, oxygen
and the carbon cycles, in patterns must drive the research design.
relation to global warming and ozone layer depletion. It 2. Vegetation
cannot be seen only in the perspective of a is well known that ecology
was developed first in vegeta- traditional taxonomy based on the species
concept; tion studies (see Acot 1989) but after an active period
character sets of ecological value must enter into marked by intensive
phytoclimatic and synecological consideration and a hierarchical
analysis of patterns studies, vegetation science entered in a rather
dormant and processes should be the basis of comparisons. period. Other
ecological disciplines such as animal popu- 3.