Springer Old Growth Forests - Chapter 15 pot
Springer Old Growth Forests - Chapter 15 pot
... E. D. Schulze et al. Chapter 15 Temperate and Boreal Old- Growth Forests: How do Their Growth Dynamics and Biodiversity Differ from Young Stands and Managed Forests? Ernst-Detlef Schulze, Dominik ... appears that these findings have been uncritically transferred to uneven-aged mixed old- growth forests, implying that old- growth forests are redundant in the global carbon...
Ngày tải lên: 03/07/2014, 13:20
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...
Ngày tải lên: 03/07/2014, 13:20
Springer Old Growth Forests - Chapter 2 pot
... Boreal old- growth forests were somewhat younger (median age 224 years, inter-quartile range 150 300 years), whereas tropical old- growth forests tended be older (median age 400 years, inter-quartile ... terminate the old- growth stage or development towards it. Obviously, the potential of a forest region to host old- growth forests depends on two rates: (1) the time it tak...
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...
Ngày tải lên: 03/07/2014, 13:20
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 17 potx
... Ro ˆ ndonia, Brazil. Local time is shown on the labels e.g. 15h is 150 0 hours. From Kruijt et al. (1996) 17 Tropical Rain Forests as Old Growth Forests 395 Malhi Y, Nobre AD, Grace J, Kruijt B, Pereira ... (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 Int...
Ngày tải lên: 03/07/2014, 13:20
Springer Old Growth Forests - Chapter 19 pot
... of old- growth forests, secondary forests and pine plantations are markedly different (Pauchard 1998), but compara- tive studies on the invertebrates of old- growth forests versus secondary forests ... almost all old- growth forest ecosystems: l Old- growth forests tend to have structurally complex and dynamic vertical and horizontal microclimatic environments. At the sam...
Ngày tải lên: 03/07/2014, 13:20
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 ... in high trees and old- growth forests are still unclear. The widespread hypothesis of hydraulic limitation will be discusse d in the first part of this chapter....
Ngày tải lên: 03/07/2014, 13:20
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 ... for old- growth forests. With respect to biomass dynamics, there are at least four non-mutually exclusive hypotheses: (1) the ‘equilibrium hypothesis’ of Odum (1969); (2) the ‘...
Ngày tải lên: 03/07/2014, 13:20