Class Notes (835,638)
United States (324,200)
BSCI 106 (116)
all (36)
Lecture

Lecture Notes Competition

2 Pages
27 Views
Unlock Document

Department
Biological Sciences Program
Course
BSCI 106
Professor
All Professors
Semester
Fall

Description
Competition 09/12/2012 Types of interspecific interactions: Competition (­/­) Predation (+/­) Herbivory (+/+) Symbiosis Parasitism (+/­) Mutualism (+/+) Commensalism (+/0) Facilitation (+/+ or 0/+) Interactions among species are dynamic and conditional Ex. Commensalism may change into a competition Ex. Strangler fig Interspecific competition Competition between two different species for a limiting resource Light, nutrients, water, food, space Competitive mechanisms Exploitation competition (prevent access by resource depletion) Trees competing for water and/or nutrients Preemptive competition (prevent access by presence) Space preempted by barnacles is unavailable to competitors Interference competition (prevent access by aggressive interactions) Spotted hyenas and vultures fight over a kill Niche – range of resources a species is able to use and the range of conditions it can tolerate 2 Competition Niche overlap leads to competition Ex. One species eats seeds of a certain size range, but there is competition from another species  for seeds of intermediate size Fundamental niche – the resources a species uses or conditions it tolerates in the absence of  compe
More Less

Related notes for BSCI 106

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