Báo cáo lâm nghiệp: "Links between tree structure and functional leaf traits in the tropical forest tree Dicorynia guianensis Amshoff (Caesalpiniaceae)" ppsx

... carried out in the morning between 07 00 and 12 00 h in the forest understorey and between 07 00 and 10 00 h in the clearing to avoid a mid-day stomatal closure. During the A-PPFD responses, the mean ... structure and functional leaf traits in the tropical forest tree Dicorynia guianensis Amshoff (Caesalpiniaceae) Jean Christophe ROGGY a *...

Ngày tải lên: 08/08/2014, 00:22

... correlate with the dominance of the given species being suitable parameters for the analysis of a relationship between the intensity of damage and dominance. At the same time, the higher the proportion ... 0.05) between the percentage of damaged individuals and dominance. P (1986) found out the nega- tive correlation between damage and dominance for Pinu...

Ngày tải lên: 07/08/2014, 10:21

... living whorls, the differences between the thickest branch and thinnest one increases as and when the tree grows. • With tree ageing, living whorls also contained dead thin branches contributing ... diameter and branch height within the tree (the tree model). (ii) Fitting the model tree by tree, so as to obtain an estimate of the parameters for each tree (t...

Ngày tải lên: 08/08/2014, 01:22

... extracellular and intracellular hyphae present in the soil and root inoculum. Co-inocula- tion has a synergistic effect on seedlings through increasing the efficiency of the shoot and root system in providing ... growth due to the interchange of carbon, phosphate and nitrogen between the host fungi and bacteria. According to B-E-D and M (1998), the...

Ngày tải lên: 07/08/2014, 04:20

... 8 and 13 (Cladonio-Pinetum) on dry and acid sandy sites and clusters 15 and 19 (Ledo-Pinetum and Vaccinio uliginosi-Pinetum) on wet and acid sites contain vegetation plots of natural pine forest communities. ... This is reflected by the frequency of tree species (incl. spontaneous tree rejuvenation). In the stands of the Cladonio- Pinetum, Ledo-Pinetum, and Vaccin...

Ngày tải lên: 08/08/2014, 00:22

... in Pinus cembra, P. unc- inata and Larix decidua between 2080 and 2230 m elevation on a northeast slope in Stillberg/Davos, Swiss Alps. In the subalpine zone, the forest stand opens up and trees ... slope in the Lötschertal, Switzerland). Since the annual height increment increased with increasing age and decreased with increasing elevation, the difference in...

Ngày tải lên: 08/08/2014, 01:21

... wood origin 101 obtained from the barrel. The set of five chloroplast fragments, dt13 and µdt1 (instead of dt12b), dt73 and dt74 (instead of dt72) and tf42, each containing a single informative ... of the wood into the wine by leaching of extractives. In this way, wine goes through subtle chemical changes, resulting in greater com- plexity and a softening of the harsh ta...

Ngày tải lên: 08/08/2014, 01:22

... in a rapidly growing, and amphistomatous species (Populus sp). We also tested the hypothesis that drought induced a decline in cC, which was the cause of the decrease in ... SS, André M, Cournac L, Farineau J (1992) An integrated model for the determination of the Rubisco specificity factor, respiration in the light and other photos...

Ngày tải lên: 08/08/2014, 18:21

... were the major components of the free amino acid pools in root and leaf tissues. Alanine and glutamine in both root and leaf tissues appeared to be in higher amounts in ... By contrast, there was no difference in root analysis between treatments (Fig. 1 E, F). Alanine, aminobutyric acid, glutamine, aspartic acid, arginine, proline...

Ngày tải lên: 09/08/2014, 04:20

... analysis. The remaining 10 quality of care indicators in the EDs in 1999 and 2006 were explored for their ability to predict whether or not the CHS had a chain of care structure in 2006. Stability in the ... with and without a chain of care structure. Including the variable 'chain of care programme during the late 1990s' in the analysis increased the...

Ngày tải lên: 08/08/2014, 23:21