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Nitrogen Immobilization in Decomposing Needle Litter at Variable Carbon: Nitrogen Ratios
Author(s) -
Berg B.,
Ekbohm G.
Publication year - 1983
Publication title -
ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.144
H-Index - 294
eISSN - 1939-9170
pISSN - 0012-9658
DOI - 10.2307/1937329
Subject(s) - scots pine , nitrogen , litter , mineralization (soil science) , environmental science , nitrogen cycle , ecology , plant litter , carbon fibers , environmental chemistry , chemistry , botany , biology , ecosystem , mathematics , pinus <genus> , organic chemistry , algorithm , composite number
The nitrogen dynamics in decomposing needle litter incubated in a clear—cut area were seen to be very different from those of the same types of litter incubated in a mature forest. In each stand 10 different sets of Scots pine needle litter with different initial nitrogen concentrations were incubated. A nonlinear regression model of loss and nitrogen dynamics estimates that the C/N ratio above which net immobilization and below which net mineralization takes place differs significantly between the systems (109 in the mature forest and °63 in the clear—cut area).
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