Springer Old Growth Forests - Chapter 11 potx
Springer Old Growth Forests - Chapter 11 potx
... 200 to 400gm –2 , from a 20-year -old stand to an old- growth stand (Klopatek 2002). It follows that higher amounts of less degradable input may be provided in old- growth forests and this could benefit ... methods) pro- gressed from the pioneer stage to the late o ld -growth state in the following order: pioneer 14.8 Æ 25.6, transition 8.4 Æ 17.6, early old- growth 21.0 Æ 57.0, a...
Ngày tải lên: 03/07/2014, 13:20
Springer Old Growth Forests - Chapter 9 potx
... (Brais et al. 1995; De Luca et al. C. Wirth et al. (eds.), Old Growth Forests, Ecological Studies 207, 193 DOI: 10.1007/978‐3‐540‐ 92706‐8 9, # Springer Verlag Berlin Heidelberg 2009 2002). This is ... relatively fast-growing early-successional species such as Pinus sylvestris and Vaccinium myrtillus, and the middle-sized islands are dominated by Betula pubescens and Vaccinium vitis-idaea...
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Springer Old Growth Forests - Chapter 17 potx
... (Hedera helix) in elevated CO 2 . Funct Ecol 20:763 769 408 J. Grace, P. Meir Chapter 17 Tropical Rain Forests as Old- Growth Forests John Grace and Patrick Meir 17.1 Introduction In the context of ... climate of tropical rainforest regions. Philos Trans R Soc Lond Ser B:359: 311 329 17 Tropical Rain Forests as Old Growth Forests 405 because leaves are clumped together inste...
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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 ... of forests that were labelled as old- growth . Altogether we identified 118 studies where ages of old- growth forests were reported, half of which were temperate or high-e...
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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 ... are generally shorter-lived than trees (Schweingruber 1995) and dwarf-shrubs (see below). The oldest known shrub s grow in Siberia. Hantemirov et al. (2003) found an 840-year -old Juniperus...
Ngày tải lên: 03/07/2014, 13:20
Springer Old Growth Forests - Chapter 4 ppt
... 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 canopies) than to increasing respiratory ... shifts compen- sated each other such that relative growth rates were similar across the shade- tolerance gradient, while our results suggest higher growth rates f...
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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 ... 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...
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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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