ES293 Lecture Notes - Lecture 4: Sloss Debate, Keystone Species, Man And The Biosphere Programme
Document Summary
*midterm in theatre auditorium 24th october (more content focused on lesson notes) In the early 1960"s rachel carson"s book silent springs was released that triggered the environmental movement. The book was focused on the danger of ddt, and ozone depletion. Calculate smallest size of park- reserve, support minimum number of individuals- self-sustaining. Determine most space-demanding species,- cover all species. In canada coswic determines what species are put on the sara (species at risk act) Sara clause specifies that the species, and the habitat is protected (if an at-risk bird is living on farmland, that land is now protected and must not be disturbed) **when determining where to have a park, the distribution, things to look at include: Ecological surrounded by water or unsuitable habitat site (does not have to be literally an island) Small islands support smaller number of species. 10x increase in size- 2x increase in species. The further away from the shoreline, the diversity of species decreases.
