Ch. 11 Biodiversity Issues  Created by Cenizamente   16 terms
the diversity of genes, species, and ecosystems in a region
genetic diversity  the number of different kinds of genes
present in a population or a species  species diversity  the
number of different species present in an area  ecosystem
diversity  the number of kinds of ecosystems present in an area
all of the trees in a large area are removed  patchwork clear-
cutting  smaller areas are clear-cut among patches of un-touched
forest   clear-cut sites where natural reseeding or regrowth is
slow may need to be replanted with trees, a process called this
selective harvesting  harvest specific individuals - reduces
impact on environment   process of converting arid and semi-arid
land to desert because of improper use by humans   occurs when
humans harvest organisms faster than the organisms are able to
reproduce  bush meat  meat from wild animals  endangered species
species with such small numbers that they are in immediate
jeopardy of becoming ex