Investigation. Biodiversity on an artificial slope is lower than that on a natural slope.

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Hong Kong Taoist Association The Yuen Yuen Institute No.2 Secondary School

Biology

Field Study

5A Eugenia Chapman (3)

Date: 2012/3/30

Title: Biodiversity on an artificial slope is lower than that on a natural slope.

Objective: To invest how the abiotic factors effect the biodiversity on a slope.

Hypothesis: Plants usually grow on soil.

Theory/ Background information:

Natural slopes consist of soil, stones and sands. Not only mosses and lichens live on the surface of it, some bigger plants which get anchorage by grabbing tightly of the soil in order to live on the slope.

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Artificial slope consist of a mixture of huge rocks and concrete. Only few ferns can live in the gaps between the stones. There are a number of lichens on the surface of the slope as they can grow in a adverse condition which has not much nutrients and anchorage. On the surface of the rocks, it is barren rock, which occurs primary succession, it only support mosses and lichens growth. When they grow, the organic matter breaks up the rocks into smaller particles.

In this investigation, both slopes face west.

Procedure:

  1. Set a slope for observation ...

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