I am trying to determine whether tree cover (in proportions) at one site is affected by stream flow (and thus flooding, periods of drought etc.) recorded at the same site. The tree cover data is limited to a
Timothy A Ebert
I might try looking at the rainfall in periods from the last vegetation assessment to the current vegetation count. I could see that an average rainfall might be important. Variance and periods of flood or drought might also be important. Before analysis, I would try graphing the data. Relationships might not be linear. I would also expect thresholds. Flooding for 2 days has little effect, but 3 weeks causes more extensive damage.
Temperature might influence vegetation growth as much or more than rainfall.
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