2011 exam essay questions outline

4 Pages
Unlock Document

University of Toronto St. George
School of Environment
Karen Ing

1. Who should make policy decisions regarding listing of endangered species? Scientists or policy makers? - a combination of scientists and policy makers ideal - scientists and policy makers must communicate - COSEWIC Committee on status of endangered wildlife in Canada o Species specialist, member from each of the 13 provincial and territorial governments, co-chair from aboriginal traditional knowledge subcommittee, one member from each of the federal agencies such as department of fisheries and oceans Policy makers - Rejecting COSEWIC list of endangered species with good reason - Analysis of animal deemed to have social, economic, or political impact - Federal government has been biased against o Marine and northern species such as polar bear, peary caribou, northern cod o Northern cod has huge impact on industry and Canada’s GDP o Developing tar sands promises to be hugely profitable: don’t want species protection to hinder the profitable industry, most development of tar sands up north so northern species are not protected Scientists - make and understand scientific data and results, can best interpret the results o minimum viable populations o equilibrium theory of island biogeography o Species Area Curves and habitat fragmentation Scientists and policy makers working together - environment decisions are interdisciplinary - must consider economic, scientific, political aspects of the problem - 2. Should we be spending effort on saving endangered species? Why? Certain species over others? Based on what criteria? Intro Why spend effort on saving endangered species? - Biodiversity – richness of biological variation – has many benefits - According to the US EPA – species extinction and loss of biodiversity is a relatively high risk problem along with stratospheric ozone depletion and global warming - Value and Importance of Biodiversity: Ecosystem Services Moderation and Buffering - purify air and water, generate and renew soil fertility and cycles nutrients, moderate floods, droughts, wind and temperature extremes, control pests and diseases, detoxifies and decomposes wastes, stabilizes and moderates Earth’s climate - high level of biodiversity increases stability and resistance - Environmental monitoring o Canaries in coal mine used an indicator of hazards to humans o A healthy environment for wildlife is more likely a healthy environment for people - Food Security/Drugs/Medicine - genetic diversity infers potential for disease resistance - maintains genetic resources as inputs to crop varieties, livestock, and medicines - Drugs and Medicine – by saving endangered species – may be saving a potential drug/medicine, for example scientists extracted vincristine and vinblastine from rosy periwinkle which revolutionized treatment of childhood leukemia and Hodgkin’s disease Biomimicry -
More Less

Related notes for ENV221H1

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.