Báo cáo lâm nghiệp: "High potential for increase in CO2 flux from forest soil surface due to global warming in cooler areas of Japan" ppt

... Ann. For. Sci. 63 (2006) 537–546 537 c  INRA, EDP Sciences, 2006 DOI: 10.1051 /forest: 2006036 Original article High potential for increase in CO 2 flux from forest soil surface due to global warming ... as CO 2 sinks. A recent study shows that soil in England and Wales lost carbon at a mean rate of 0.6% y −1 from 1978 to 2003 according to soil inven...

Ngày tải lên: 07/08/2014, 16:20

... relative increase in the growing stock was noted in beech, viz from the initial value of 7.5 m 3 /ha in 1961 to 140.6 m 3 /ha (28% of the total growing stock) in 2003. Of course, interspersed ... decreased due to high mortality of the species during the years of evaluation (Table 8). Growing stock e growing stock development (m 3 /ha) compiled again accord...

Ngày tải lên: 07/08/2014, 03:22

... 60063. Production potential of Douglas fir at mesotrophic sites of Křtiny Training Forest Enterprise P. K Faculty of Forestry and Wood Technology, Mendel University of Agriculture and Forestry in Brno, ... Discussion. Douglas fir in Křtiny TFE e Training Forest Enterprise Masaryk Forest at Křtiny serves as a special-purpose institution of Mendel University of...

Ngày tải lên: 07/08/2014, 03:22

... tissue had potential exposure to infection by wood decaying organisms. The West Ridgley site is also a wet site which has been found to be a factor leading to an increase in the incidence of decay ... esti- mate for lignin traits in E. globulus is for total lignin content which was estimated to be very low at 0.09 ± 0.21 [8]. The moderate narrow-sense heritability estima...

Ngày tải lên: 07/08/2014, 16:20

... scientific data increas- ing the sustainability of the participative forest management in the MSDR leading to higher incomes and benefits for the local populations and maintaining the forest s multiple ... Assessing the growth of tropical rain forest trees: Issues for forest modelling and management, Ecol. Appl. 9 (1999) 981–997. [7] Curtis J.T., McIntosh R.P., An upland for...

Ngày tải lên: 07/08/2014, 16:21

... expected change in distribution of within-ring density for one sd increase in ring width is presented in Figure 3. 3.4. Differences among clones in within-ring density Fluctuations in growth rate ... and wood uniformity is one of the main requirements by the processing industry [30]. That underlines the importance of modelling within-ring wood variation as a tool used...

Ngày tải lên: 08/08/2014, 00:21

... continuum of behaviours in the forest. 3. PROPERTIES OF THE CHARACTERS USED TO DEFINE GROUPS Two properties emerging from the literature on species clas- sifications for tropical forests help to ... generalized forest growth and yield modelling system for mixed tropical forests of peninsular Malaysia, Ph.D. thesis, University of Washington, 1986. [74] Westoby M., Leis...

Ngày tải lên: 08/08/2014, 00:22

... produced in a sequence from earlywood to latewood regardless of index value and not the inverse. Therefore, when dividing a tree ring into E and L zones, the aim of this method will be to classify ... http://www.edpsciences.org /forest or http://dx.doi.org/10.1051 /forest: 2005093 A method for multiple intra-ring demarcation 13 with increasing intra-ring position (c.f. Fig. 1A...

Ngày tải lên: 08/08/2014, 00:22

... one of the most wide spread species around the world, dominating forest landscapes from boreal areas to Mediterranean mountains in Europe. Local and regional research is needed in order to define ... J.K., Evaluating a growth model for forest management using continuous forest inventory data, For. Ecol. Manage. 71 (1995) 215–265. [20] Sterba H., Monserud R.A., Validatio...

Ngày tải lên: 08/08/2014, 01:21

... itself to point estimation, hypothesis testing, and classi- fication of objects based on their reflectance spectra is needed. In addition to minimizing problems of data mining and colin- earity, ... dimensions of the data with a minimum of information loss. It must accomplish this reduction without losing the ability to interpret the results. Transforming a series of observa...

Ngày tải lên: 08/08/2014, 01:22