Water Quality Of The U-High Creek Based On Invertebrates Found In The Water
The question asked is: “What is the water quality of the U-High creek based on invertebrates found in the water?”
There are many ways to measure water quality, primarily through pH, nitrogen, phosphorous, and dissolved oxygen. pH levels are the levels of acidity or alkaline found in the water. Low pH levels (under 7.0) mean that the water is too acidic. High pH levels (over 7.0) mean greater alkaline level. A pH range of 6.5 - 8.5 is a safe range for aquatic life. Nitrogen and phosphorus are elements in the water that support the life of underwater plants. If the levels are too high (over 3.0), this is dangerous for aquatic animals. If the nitrogen and phosphorus are at a safe level, (about 1.0 or possibly less) it can be very beneficial to the environment. Nitrogen and
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Dissolved oxygen is also good for the water, (in small amounts) and it helps fish and bacteria survive. Dissolved oxygen is oxygen molecules that have been mixed in with water molecules. If there’s not enough (2-4 mg), plants and animals cannot survive. Besides those nutrients, invertebrates are also helpful in determining water quality. Invertebrates typically have a long life cycle, so the pollution can be measured over time. If there is an increased number of algae-eating invertebrates or scavengers, it can be inferred that a chemical or nitrogen/phosphorus is causing increased algae growth. Invertebrates like types of snails, clams and worms signify that the water quality is poor, because they can live in polluted conditions. Types of larvae and nymphs signify a fair water quality, because they are moderately tolerant to pollution. Finally, an increased number of mayfly nymphs or stonefly nymphs signifies a good water quality, because they cannot survive in polluted water. An ecosystem needs to be diverse to be healthy and stable. If there is a variety of different plants, then more animals can survive, and the organisms and vegetation can survive off each other. Animals and
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