Springer Old Growth Forests - Chapter 3 pdf
Springer Old Growth Forests - Chapter 3 pdf
... Wirth Chapter 3 Old Trees and the Meaning of Old Fritz Hans Schweingruber and Christian Wir th 3. 1 Introduction While the mere presence of old trees does not automatically indicate old- growth ... dendrochronological technique of cross-dating. As shown in Fig. 3. 1, this simple method allows the C. Wirth et al. (eds.), Old Growth Forests, Ecological Studies 207, 35 DOI: 10.1...
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Springer Old Growth Forests - Chapter 14 pdf
... FIA SNAPSHOT data (USDA 2006). 14 .3. 1.6 Old- Growth Literature Data We searched the published literature for AGB estimates for old- growth forests in the coterminous US. Because old- growth is rare in the eastern ... Areas and protecting old growth forests on federal lands in Western Oregon and Washington. Nat Areas J 8:25 30 14 Biomass Chronosequences of United States F...
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Springer Old Growth Forests - Chapter 1 pot
... 13) , is devoted to the old- growth forests of the Canadian boreal forest. Old- growth boreal forest is considered rare since disturbances occur too frequently to allow forest stands to reach old ... 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...
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Springer Old Growth Forests - Chapter 2 pot
... Boreal old- growth forests were somewhat younger (median age 224 years, inter-quartile range 150 30 0 years), whereas tropical old- growth forests tended be older (median age 400 years, inter-quartile ... young old- growth forests are 6 0- to 120-year -old oak stands (Laiolo et al. 20 03) , a 100-year -old boreal Norway spruce stand (Dahlberg et al. 1997), and a 110-year -o...
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Springer Old Growth Forests - Chapter 4 ppt
... <0.001 97.7 25.7 3. 8 <0.001 P 55 .39 25.92 2.14 0. 034 8 93. 0 25.7 3. 5 <0.001 T 198.80 23. 87 8 .33 <0.001 Age 43. 68 16.00 2. 73 0.0075 df 109 75 Residual 1 63. 4 222.4 Adjusted R 2 0. 738 5 0.287 4 ... 0. 131 T 137 .4 16.5 8 .33 <0.001 Age 35 .5 12.0 2.96 0.0 035 df 168 76 Residual 154.6 188.2 Adjusted R 2 0.510 0.216 NPP Coniferous forests Deciduous forests Inte...
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Springer Old Growth Forests - Chapter 5 ppt
... 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 ... 7.4 8 64 10 13 2 Zotino Pine 270 Pinsyl Pinsyl 5 9 12.5 50 40 50 3 Metolia 31 6 Pinpon Pinpon 10 13 14 .3 100 30 11 4 Yakutia 38 0 Largme Largme 4 4.5 4.5 40 5 0 5 Zotino li...
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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 ... environment in old- growth forests, (2) the particular understorey light condi- tions found under such forests, and (3) the unique understorey vegetation assem- bla...
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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 8 doc
... decomposition rate-constants (Olson 19 63) . 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 ... amounts of woody detritus in old- growth forests and then C. Wirth et al. (eds.), Old Growth Forests, Ecological Studies 207, 159 DOI: 10.1007/978 3 540‐92706‐8 8, # Sp...
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Springer Old Growth Forests - Chapter 9 potx
... ( 233 ) c 2180 (38 5) b 32 50 ( 439 ) a Number of fire scars caused in past 250 years 0.667 (0.256) a 0.208 (0.085) b 0.1 43 (0.016) b Aboveground properties Tree biomass (kg m –2 ) 7 .39 (0. 83) a 5 .38 ... (2.5) b 27 .3 (2.5) a Humus C to N ratio 40.4 (1.18) a 36 .0 (1.17) ab 32 .9 (0.79) b Humus C to P ratio 6 23 (20) b 687 (36 ) ab 759 (30 ) a Humus N to P ratio 15.4 (0.5) c 19.1 (0....
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