Interactive comment on “Time since death and decay rate constants of Norway spruce and European larch deadwood in subalpine forests
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چکیده
their discussion, the authors refer to studies that showed that the decay rate of standing dead wood is slower than dead wood in contact with the forest floor. This contributes to explain the absence of clear differences in properties in classes 1-3. The same argument might potentially be used to explain the differences in decay rates of larch and spruce. Assessing the time elapsed standing of an individual CWD retrospectively is impossible, but the discussion would be improved if the influence of species-specific snag fall rates were acknowledged: For instance, if fall rates of snags of the two studied species are known and that larch snags remain significantly longer standing, they are exposed for shorter periods to good decaying conditions on the ground and this might also explains their slower decay rate.
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Interactive comment on “Time since death and decay rate constants of Norway spruce and European larch deadwood in subalpine forests
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Interactive comment on “Time since death and decay rate constants of Norway spruce and European larch deadwood in subalpine forests determined using dendrochronology and radiocarbon dating” by M. Petrillo et al
The decay rate of standing deadwood, i.e., of snags, is slower than that of downed deadwood in contact with the forest floor. We agree with Dr. Anger’s opinion that this may be an important reason why clear age differences in the decay classes 1 – 3 are missing. Some snags fall earlier others later. This overshadows a clear age trend in decay. If the rate at which snags of larch fall down on th...
متن کاملTime since death and decay rate constants of Norway spruce and European larch deadwood in subalpine forests determined using dendrochronology and radiocarbon dating
Due to the large size (e.g. sections of tree trunks) and highly heterogeneous spatial distribution of deadwood, the timescales involved in the coarse woody debris (CWD) decay of Picea abies (L.) Karst. and Larix decidua Mill. in Alpine forests are largely unknown. We investigated the CWD decay dynamics in an Alpine valley in Italy using the chronosequence approach and the five-decay class syste...
متن کاملTime since death and decay rate constants of Norway spruce and European larch deadwood
Introduction Conclusions References
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