Last data update: 2014.03.03
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R: Growth of Sitka Spruce Trees
Growth of Sitka Spruce Trees
Description
Impact of ozone on the growth of sitka spruce trees.
Usage
data(sitka89)
Format
A dataframe
- size:
size of the tree measured in log(height*diamter^2)
- time:
days after the 1st january, 1988
- tree:
id number of a tree
- treat:
ozone: grown under ozone environment, control: ozone free
Examples
data(sitka89)
Results
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