habitat assessment

habitat assessment - Andrew Dickson Environmental Science...

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Andrew Dickson Environmental Science Lab November 4, 2004 Rapid Visual Habitat Assessment Lab Using the information from today’s lab dealing with stream assessment, determine if your stream is healthy. Why? The stream behind the gristmill was determined to have a total score of 117 on the Habitat Assessment Field Data Sheet. This would put the stream into the suboptimal category on the Habitat Assessment scale. This means that the stream has the potential of being a healthy stream. One major drawback of this portion of Four Mile Run is the amount of iron oxide in the stream. This is caused by the mine drainage in the area. The pH of the stream was 6.03, meaning that the stream is slightly acidic. The wetlands located next to the stream were put there to try to remove the iron oxide from Four Mile Run. At this time, though, there is not much evidence that it has worked at location on because there is obvious visual evidence of pollution still in the stream. There are also signs of erosion on each of the stream banks on this portion of Four Mile Run. This
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habitat assessment - Andrew Dickson Environmental Science...

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