use the interaction strength equation (ecology):   ln (C/E)/I

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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use the interaction strength equation (ecology):

 
ln (C/E)/I
Each of the communities experiences the immigration of an invasive bird species, with the following
effects on population:
Northern California
Southern California
Before
After
Before
After
invasion invasion
invasion invasion
Species
Species
n;
ni
Finch
13
10
Finch
8
Robin
18
8
Robin
15
14
Oreole
Oreole
5.
Hawk
4
Hawk
3.
Crow
10
10
Crow
6.
6.
Eagle (invasive)
3
Pigeon (invasive)
10
na
na
Compare the strengths of interactions of the effect of eagles in northern California and pigeons in
southern California.
Transcribed Image Text:Each of the communities experiences the immigration of an invasive bird species, with the following effects on population: Northern California Southern California Before After Before After invasion invasion invasion invasion Species Species n; ni Finch 13 10 Finch 8 Robin 18 8 Robin 15 14 Oreole Oreole 5. Hawk 4 Hawk 3. Crow 10 10 Crow 6. 6. Eagle (invasive) 3 Pigeon (invasive) 10 na na Compare the strengths of interactions of the effect of eagles in northern California and pigeons in southern California.
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