Forestry Statistics 2007 - 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

8.6 10.8 10.0 n.s. n.s. n.s.

Light score

6.0 6.5 6.3 n.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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