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The Relationship between pH and Biotic Index of a Stream

The Relationship involving the pH and Biotic Index of a Stream

Aim:

A study to find out the quality within a stream in three

different sites and discover whether ph level affects the biotic index.

Hypothesis:

My spouse and i predict the stream will probably be most infected at the third site

which is lowest down the stream, as well as the stream will probably be cleanest by

the beginning. I do think this mainly because at the end with the stream, more

pollution have been able to enter the stream, and at first

of the stream, less pollution has created the stream. Different

kinds of pollution which can enter into the stream include fertilizers

seeping in through the soil, pollution from the natural environment and

also from human being impact through washing detergent and excretion. Due to

these pollutions entering the stream, I foresee that the ph level level

with the water up high in the stream will be significantly less acidic than lower down

within the stream.

Variables:

2. Independent

* Sites

2. Dependent

2. Water Top quality

* Handled

* Volume of species to gather

* Mistakes & Uncertainties

* Within weather

* Water acceleration

* Water temperature

Apparatus:

* Universal Signal Paper

2. Biotic Index Chart

2. Large net

* Drinking water basin

2. Magnifying glass

* pH graph and or chart

Method:

1 . Select three different sites to collect data from

installment payments on your Using the net, create a whirlpool in the stream so that organisms

come up above the sand

3. Spread around the net about in one way, upstream to get

organisms

some. Keeping the net still inside the water but the top of computer out of the

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