Lab5. Community ecology17

Lab5. Community ecology17 - BIOL 1209 Lab 5 Community...

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2/27/12 1 + BIOL 1209 Lab 5. Community Ecology + Today ` s lab n Overview of objectives and methods of data collection n Walk to study sites n Take measurements n Collect water samples n Return to lab n Determine chlorophyll a concentration – measure of phytoplankton abundance n Take weekly Chlamydomonas readings (last week’s experiment)
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2/27/12 2 + Ecosystem Ecology n ECOSYSTEMS: Only level of biological organization that includes abiotic component n Population ecology : Study of distribution and abundance of one species in a specified area at a specified time n Community ecology : Study of distribution and abundance of multiple species in a specified area at a specified time n Ecosystem ecology: Study of the community of plants and animals plus the abiotic factors and their interactions in a specified area at a specified time Population Community Ecosystem + Aquatic Ecosystems Lab Objectives: 1) Assess water quality in 4 freshwater ecosystems near campus. Compare the ecosystems in several lakes and the b bayou ` that runs between them. 2) Determine how abiotic variables within these systems affect freshwater communities. n Add the data we gather to a larger dataset that previous students have collected in order to compare the lakes AND look at temporal trends (~ 3.5 years) n Important for WA2
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2/27/12 3 + Field Sites 4 people / group 2 groups / site 1 2 3 4 University Rec Center Campus Lake College lake University Lake Student Union The l bayou z Each group must take their own readings
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Lab5. Community ecology17 - BIOL 1209 Lab 5 Community...

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