Christian Messier 
,
Pasi Puttonen
Coniferous and non-coniferous fine-root and rhizome production in Scots pine stands using the ingrowth bag method.
Messier C., Puttonen P. (1993). Coniferous and non-coniferous fine-root and rhizome production in Scots pine stands using the ingrowth bag method. Silva Fennica vol. 27 no. 3 article id 5512. https://doi.org/10.14214/sf.a15673
Abstract
Coniferous and non-coniferous fine root and rhizome production was measured after one growing season using the ingrowth bag method in Scots pine (Pinus sylvestris L.) stands differing in ages from 7 to 105 years in Southern Finland. Total fine-root production decreased from the 7-year to 20-year-old stands, and then increased slightly in the 85- to 105-year-old stands. Most of the total fine-root biomass in the youngest age groups came from non-conifer species, whereas most of the total fine-root biomass in the three older age groups came from conifer species. The maximum coniferous fine-root production was found to occur at crown closure in the 11- to 13-year-old stands. Rhizome production was the lowest and highest in the 20- and 85- to 105-year-old stands, respectively. The increase in rhizome production in the 85- to 105-year-old stands was associated with an abundant understory cover of Vaccinium myrtillus and V. vitis-idaea and an increase in light penetration. The ingrowth bag method was found to be useful in assessing the relative fine-root production among species-group and successional stages of Scots pine stands.
The PDF includes an abstract in Finnish.
Keywords
Pinus sylvestris;
ground vegetation;
undergrowth;
roots;
root systems;
fine-root production;
ingrowth bag;
rhizomes;
underwood
Published in 1993
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Available at https://doi.org/10.14214/sf.a15673 | Download PDF
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