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BIOL 4150 (48)
Lecture

Lecture 30 & 31

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Department
Biology
Course
BIOL 4150
Professor
Andrew Mac Dougall
Semester
Fall

Description
Population Ecology Lecture NotesLecture 30Type I functional responseLinear as prey increases the number of prey consumed increases proportionally until a maximum consumption rate is reached satiationPassive predators spiders barnaclesHerbivoryPrey risk does NOT change with density even though consumption increasesCase Study Batzliet al 1981 OikosoExample of type 1 functional responseoLemmings eat grass in arctic tundraType II functional responseAs prey increases consumption rates also increase rapidly at firstHowever as prey density reaches higher levels further consumption is slowed by handling time chase kill washNote more handlingless time available to search Predators experience time budget problemsAs more prey captured more han
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