Biomass of shrub-dominated wetlands in Minnesota.

B. J. Connolly-Mccarthy, D. F. Grigal

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Salix was dominant in most wetlands, although a few were dominated by Alnus rugosa and Betula pumila. Shrub biomass ranged from 0.5-71.5 Mg ha-1 (mean 11.2 Mg ha-1). Biomass was distributed lognormally among wetlands, with a geometric mean of 6.9 Mg ha-1. Biomass estimates within wetlands had high uncertainty because of both clumpy distribution and large differences in size of shrubs. Some 80% of stands were on organic soils (Histosols), with 2/3 on minerotrophic and the remainder on weaky minerotrophic peatlands. Relationships of biomass to basal area and age were statistically significant. Biomass of the shrubs in wetlands was c4-fold greater than that in mature forests in the area, but only slightly >5% of total biomass in those forests.- from Authors

Original languageEnglish (US)
Pages (from-to)1011-1017
Number of pages7
JournalForest Science
Issue number4
StatePublished - Jan 1 1985


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