... amounts of woody detritus in old- growth forests and then
C. Wirth et al. (eds.), Old Growth Forests, Ecological Studies 207, 159
DOI: 10.1007/9 78 3‐540‐92706 8 8,
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Springer Verlag Berlin Heidelberg ... Carbon Dynamics of Old Growth Forests 165
Chapter 8
Woody Detritus Mass and its Contribution
to Carbon Dynamics of Old- Growth
Forests: the Temporal Context
Mark E. H...
... was shown that fine root growth, mortality and decomposition
in 4-year -old stands was as high, if not higher, than in 1 0-, 2 9-, or 8 0- to 10 0-
year -old stands of an oak-hickory forest.Wheredataonfinerootbiomassfrom
the ... Rooting Density
in Old- Growth Forests
Old- growth forests are the result of the long-term absence of stand-replacing dis-
turbances (see Chap....
... patterns through the conversion of old- growth forests into degraded
secondary forests, followed by the expansion of pastures and forestry plan tations.
Old- growth forests have declined to less than ... study old- growth evergreen, montane
temperate forests in the unpolluted coastal range of Chiloe
´
island (42
S), southern
Chile. This project, together with other studies i...
... of small-
scale disturbances and gap-phase dynamics.
21.4 The Fate of Old- Growth Forests Worldwide
21.4.1 Current Status of Old- Growth Forests
Evaluating the current status of old- growth forests ... Politics and the Future of Old- Growth Forests
Old- growth forests provide important services to human society, many of which are
discussed in this book. Destroying ol...
... interaction for the functioning and main-
tenance of old- growth forests. Second, they take a closer look at the peculiarities of
nitrogen dynamics in old- growth forests under the low levels of nitrogen ... protection of old-
growth forests, and present an encouraging example. Finally, Grace and Meir
(Chap. 17) close this part with a chapter on old- growth dynamics in globa...
... of forests that were labelled as
old- growth . Altogether we identified 1 18 studies where ages of old- growth forests
were reported, half of which were temperate or high-elevation coniferous forests
and ... old are forests that were labelled old- growth really?
Covering three time periods (1940 1960, 1970 1 980 and 1995 2005), we
searched for papers containing the keyword old...
... the mere presence of old trees does not automatically indicate old-
growth conditions (see Chap. 2 by Wirth et al., this volume), it is fair to say
that many old- growth forests contain a high ... Hills, Nevada, USA 88 8
Pinus albicaulis Western Alberta, Canada 88 2
Pinus ponderosa Central Utah, USA 84 3
Pinus nigra Vienna, Austria
c
83 3
Picea engelmannii Western Alberta, Canada...
... 25.2 27.7 <0.001
LAI 176.26 18. 28 9.64 <0.001 97.7 25.7 3 .8 <0.001
P 55.39 25.92 2.14 0.03 48 93.0 25.7 3.5 <0.001
T 1 98. 80 23 .87 8. 33 <0.001
Age 43. 68 16.00 2.73 0.0075
df 109 75
Residual ... decrease in net primary productivity in
old- growth forests if it occurs is related more to decreasing photosynthesis in
old and tall trees (as well as in old- growth...
... 20 1- to 400-year -old stands (early old- growth)
are either carbon-neutral or still accumulating carbon. Few successions
exhibited a pronounced late-successional decline. These results are consis-
tent ... progressing from early- to late-successional conifers, and from
early-successional hardwoods to late-successional conifers, tended to accumu-
late carbon during the early old- gro...
... Comparisons with second -growth forests are
also often made to highlight the uniqueness of old- growth forests.
6.2 Structural and Compositional Features of Old- Growth
Old- growth forests possess distinct ... environment in old- growth forests, (2) the particular understorey light condi-
tions found under such forests, and (3) the unique understorey vegetation assem-
bla...