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To investigate the relationship between the species richness and distance from a Cedar tree using an interrupted belt transect.

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  • Essay length: 3129 words
  • Submitted: 08/06/2005
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GCSE Living Things in their Environment

The first 200 words of this essay...

AS Biology Coursework

Aim:

To investigate the relationship between the species richness and distance from a Cedar tree using an interrupted belt transect.

Hypothesis:

As the distance from the tree increases the species richness decreases.

Apparatus:

Measuring Tape- 10 meters will be needed to measure out the area I will be working in, as I will have intervals of one metre and then every other metre.

Quadrat- 0.5cm² ungrided quadrat will be needed; if I use the grided quadrat I would be measuring the types of species present. In order to analyse the frequency of species present in the quadrat I will need an ungrided quadrat.

Soil Pin- used to measure the soil depth.

Spoon- used to pick out soil samples.

Soil Pots- used to store the soil samples in order to take the pH of the soil.

pH meter- used to evaluate the pH of certain parts of the soil, and to see whether it is neutral. Also to see if the pH of the soil is a factor which affects my investigation.

Beakers- used to mix in soil and distilled water to take

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