Class Notes (835,929)
Canada (509,507)
Biology (2,156)
BIO205H5 (180)
Lecture

BIO205 Lecture 22 (Nov 21, 2012).docx

2 Pages
79 Views
Unlock Document

Department
Biology
Course
BIO205H5
Professor
Christoph Richter
Semester
Fall

Description
BIO205 Lecture 22 - Lecture 22: Conservation - Species diversity is scale-dependent - Harlequin frogs may be on their way out o Fungus infections - James Bond (Skyfall) picture o When the villain is talking about how to eradicate rats o Not so simple in real life as what was said in movie - In the real world, that requires 22 tonnes of rat poison, at a cost of $1.8 million o 17 hundred pirates introducing rats to different islands o Rats feed on eggs o Wherever you step, you’ll see a rat o Want to wipe them off the face of the island - What should we protect? o Using genetic diversity to influence choice? o Smaller or larger populations? o Smaller organisms are usually in larger numbers so there might be biased towards saving smaller organisms? - We have to make choices o Level of endangerment o Susceptibility to extinction  Distribution  Migration patterns  Specialized habitat requirements  Certain foods (Panda eating bamboo) o Importance of species, i.e. keystone species - We need to protect populations o Try to preserve a population o In Canada, the bighorn sheep o First thing to know is population size - We can estimate how likely a population will persist into the future o Looking at the current population size and determining how likely they’ll survive after certain amount of years - The M
More Less

Related notes for BIO205H5

Log In


OR

Join OneClass

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

Sign up

Join to view


OR

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.


Submit