Forestry Statistics 2008 - Environment

Biodiversity

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This indicator is derived from data collected by the Countryside Survey 2000. It shows the overall condition and richness of flora in woodland. Between 1990 and 1998 there was a decrease in the species richness of broadleaved, mixed and yew woodlands in England and Wales.

Table 4.5 Vegetation richness and condition scores1

1998 Change 1990 - 1998

England
& Wales

Scotland

GB

England
& Wales

Scotland

GB

Broadleaved, mixed & yew woodland

Species richness score

14.1

19.9

15.3

- 2.4

n.s.

- 2.1

Light score

6.0

6.3

6.0

- 0.1

n.s.

- 0.1

Fertility score

5.2

4.1

5.0

+ 0.1

n.s.

+ 0.1

Conifer woodland

Species richness score

8.610.810.0n.s.n.s.n.s.

Light score

6.06.56.3n.s.n.s.n.s.

Fertility score

4.0

3.1

3.4

n.s.

n.s.

n.s.

Not National Statistics.

Source: Countryside Survey 2000.

Notes:

1. Higher scores indicate more species, and higher levels of light and fertility.

n.s. = change not statistically significant

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