EBIO lab - stream ecology

EBIO lab - stream ecology - Lab #2 Stream Ecology Luke...

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Luke Morin EBIO – A Human Approach Lab 10/18/07 Lab #2 – Stream Ecology  Introduction –  In stream ecology, the quality of water can be determined  through a number of factors. These factors include diversity of species in given  areas and water chemistry, both elements acting as indicators. Low diversity,  abnormal levels of elements such as oxygen, phosphate, nitrate, and abnormal  flow rate or pH may indicate that outside factors such as pollution may be  affecting the water’s quality. We would like to determine if water quality in  Boulder Creek is affected as it travels through a human population zone, the City  of Boulder. Because we know that human pollution, agriculture and sewage  decrease water quality, we hypothesize that the ecosystem health will be lower in  the same creek in populated Middle Boulder than it will be in the below Boulder  location. Methods –  We completed our data collection in several steps. First, we sent  multiple groups of testers to two locations on the creek – one well upstream of  the City of Boulder and another in the city’s heart. Each group of testers 
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This note was uploaded on 04/03/2008 for the course EBIO 1050 taught by Professor Basey,john during the Fall '08 term at Colorado.

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EBIO lab - stream ecology - Lab #2 Stream Ecology Luke...

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