Abstract
Selected data on site, vegetation cover, and soil, including soil moisture regime (SMR), were collected from 2 167 field plots in northwestern Ontario, Canada. SMR provides an estimate of an averaged, “annualized” soil moisture supply throughout a complete vegetation cycle. SMR is based upon a relative scale that subjectively ranks sites from θ, 0, and 1 through 9 along a soil moisture continuum which relates to a dry to wet gradient. SMR may be generally correlated to tree growth, stand composition, degree of competition, nutrient availability and overall site quality.
This paper reports on relationships between SMR and major tree species. Results highlight relationships between SMR class and the broad ecological ranges of several tree species. In northwestern Ontario, the determination of SMR can help resource managers to better understand the ecology of boreal sites.
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Sims, R.A., Baldwin, K.A., Kershaw, H.M. et al. Tree species in relation to soil moisture regime in northwestern Ontario, Canada. Environ Monit Assess 39, 471–484 (1996). https://doi.org/10.1007/BF00396162
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DOI: https://doi.org/10.1007/BF00396162