Springer Old Growth Forests - Chapter 6 ppt
... 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 ... second growth forests for temperate, boreal and tropical biomes Boreal Temperate Tropical Old growth forest Second growth forest Old growth forest Second...
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... 137.4 16. 5 8.33 <0.001 Age 35.5 12.0 2. 96 0.0035 df 168 76 Residual 154 .6 188.2 Adjusted R 2 0.510 0.2 16 NPP Coniferous forests Deciduous forests Intercept 510.94 15.30 33.38 <0.001 69 7.9 ... 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 forest...
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... Dh LÀP 0. 066 0.072 0.042 0.1 76 0.354 0.422 0.11 Dh LÀM 0.553 0.030 0.038 0. 060 0. 060 0.052 Dr LÀP 0.004 0.141 0.119 0. 166 0.013 Dr LÀM 0 .68 8 0.017 0. 067 0.239 Dl LÀP 0.007 0.121 0.2 96 Dl LÀM 0.9 76 0.835 ... 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...
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Springer Old Growth Forests - Chapter 7 ppt
... of old- growth forests are expected to influ- ence biosphere atmosphere exchange of such forests. In this chapter we will focus on structural features of old- growth, i.e. the fact that old- growth ... multi-y ear calibration periods. In this chapter, we summarise results from studies in old- growth forests across the globe in order to (1) describe structura l characteristic...
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Springer Old Growth Forests - Chapter 18 ppt
... 2000 b Humid tropics (10 6 ha) Dry tropics (10 6 ha) Flooded forests (10 6 ha) CS RSS Closed forests (10 6 ha) Open forests (10 6 ha) Forests (10 6 ha) South America 63 0 147 25 858 69 780 Africa 233 ... deforestation. Glob Change Biol 13:51 66 , doi: 10.1111/j.1 365 24 86. 20 06. 01272.x 4 26 F. Achard et al. Fig. 18.2 Intact forest landscapes for the year 2000 (Green...
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Springer Old Growth Forests - Chapter 20 ppt
... forest use. 20.3 Consideration of Old- Growth Forests in UN Processes 20.3.1 Old- Growth Forests and the UN Framework Convention on Climate Change Old- growth forests are usually characterised by ... in their forests, including old- growth forests. But if old- growth forests are considered ‘‘unmanaged’’ they are excluded from the UNFCCC and the Kyoto Protocol, because...
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Springer Old Growth Forests - Chapter 1 pot
... 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...
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Springer Old Growth Forests - Chapter 2 pot
... young old- growth forests are 6 0- to 120-year -old oak stands (Laiolo et al. 2003), a 100-year -old boreal Norway spruce stand (Dahlberg et al. 1997), and a 110-year -old Balsam fir stand (Sturtevant ... one of the classical ‘majestic’ old- growth species in the north-western United States. Old- growth forest ages ranged from 50 to 1,150 years (Fig. 2 .6) . The youngest old-...
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Springer Old Growth Forests - Chapter 3 pdf
... 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 ... Nevada, California, USA 1 ,66 6 Pinus flexilis South Park, Colorado, USA 1 ,66 1 Thuja occidentalis Ontario, Canada 1 ,65 3 Pinus balfouriana Sierra Nevada, California, USA 1 ,64 9 Taxodium d...
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Springer Old Growth Forests - Chapter 8 doc
... decomposition rate-constants (Olson 1 963 ). In general, as the NPP of old- growth forests increases, the live biomass, and the input of mortality increases. Thus, more productive old- growth forests can ... reduction in NPP or an increase in decom- position rate-constants as forests age could lead to mid-successional forests having more woody detritus than old- growth fores...
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