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Temple - BIOL 2227 - Class Notes - Week 2

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Temple - BIOL 2227 - Class Notes - Week 2

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background image Second week notes:: Sun grown vs shade grown coffee Sun grown coffee grows faster Require more waters , and support less biodiversity as compared to shady 
areas
Role of predator: Lynx and other predator like coyotes play large role in limiting hare 
populations
Role of food supply:
Live in boreal forests dominated by conifers
In winter , browse on buds and stems of shrubs and saplings such as aspen 
and spruce.
Large ecosystem experiment:
When the observer took off the predator then the number of snowshoe hares 
increased and when they added food number of hares increased more and 
when they took off predator and added food the number of snowshoe hares 
increased a lot. 
                               Control      -predator  +food       -predator and addition of food LOTEKA VOLTERA CONSUMER RESOURCE MODEL: Consumer predator:  𝑑𝑑 𝑑  /𝑑𝑑 = 𝑑𝑑𝑑 ℎ𝑑 𝑑  – 𝑑𝑑𝑑 p Resource (host / prey)= 𝑑𝑑 ℎ/     𝑑𝑑 = 𝑑ℎ𝑑 ℎ  − 𝑑𝑑ℎ𝑑 p REFUGES AND METAPOPULATION: EXPERIMENTAL SETUP They setup with partial barriers to predatory mite dispersal. There was an complex array of 120 oranges, there was some oranges with 
predators and some without predators . so the oranges without the predators 
are the refuges.

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School: Temple University
Department: Biology
Course: ecology
Professor: rachel spigler
Term: Spring 2018
Tags:
Name: ecology 2227
Description: these notes covers for our third exam
Uploaded: 03/15/2018
2 Pages 16 Views 12 Unlocks
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