Báo cáo lâm nghiệp: "The successional status of tropical rainforest tree species is associated with differences in leaf carbon isotope discrimination and functional traits" pot

... 10.1051/forest:2006101 Original article The successional status of tropical rainforest tree species is associated with differences in leaf carbon isotope discrimination and functional traits Damien B a * , Céline ... relationship between leaf carbon isotope discrimina- tion (∆) and intrinsic water-use efficiency (WUE = A/g s ) for pot- ted seedli...

Ngày tải lên: 07/08/2014, 16:20

... the number of tree seedlings in each row was reduced to ten by hand-thin- ning, maintaining as even a spacing as possible. One complete row was taken at random from the plot of each species in each ... differences in initial size of the seedling and the subsequent timing and pattern of shoot growth, with field maple producing a large seedling that did not begin extensi...

Ngày tải lên: 08/08/2014, 01:21

... amount of particular species, i – total number of species; domination rate (D): D = (100s/S) where: s – number of specimens of species, S – number of specimens of all species in this cenotic ... stands is different than in spruce stands with close distance to mixed forests. Table 6. Number of Mesostigmata mites species found on the plots with stands non c...

Ngày tải lên: 07/08/2014, 03:22

... unthinned plot, 2a – plot with positive selection from above, 3b – plot with low thinning, 4t – plot with combination of geometric thinning and individual selection Table 2. Summary of the stand ... were included in the clusters together with trees from unthinned control plots 1c. Variability of growth response of pine stands to climate characteristic in relation to th...

Ngày tải lên: 07/08/2014, 10:21

... concerning the crossing experiments made in the 1940s and for sharing valuable knowledge concerning controlled crossing in oak. Thanks to Lise Bach for expertise and help concerning isolation and ... and Quercus robur L.), in: Steiner K.C. (Ed.), Diversity and adaptation of oak species, Proc. of the second meeting of Working Party 2.08.05, Genetics of Quercus, of the...

Ngày tải lên: 07/08/2014, 16:20

... foliage. After thinning, the amount of growing space for both the roots and crowns of residual trees is increased. When a tree is in u- enced by cutting a competing tree, any immediate acceleration of growth ... bending, Turkish Standard Institute, 1977. [55] TS 2478 (same ISO 3349), Wood-Determination of modulus of elasticity in static bending, Turkish Standard Institut...

Ngày tải lên: 07/08/2014, 16:21

... conditions and periods of the day. Results of this study are useful for refining PAR models and determining the potential impact of the different angular distribution of PAR profiles in shaping crown ... aspen and jack pine stands. On Vancouver Island, overcast and clear sky RLR sensor were generally higher in Douglas fir stands between 90° and 70º, and lower below th...

Ngày tải lên: 08/08/2014, 00:22

... (0.4), an increase of 1 °C provokes an increase of soil respiration of 5.7% and an increase of ecosystem respiration of 8.6%. For nonlimiting soil water conditions, at RWC = 1, the increases of respiration ... Vegetation is largely dominated by the overstorey tree Quercus ilex L. whose cover is larger than 80% and has a leaf area index of 2.96 [20]. Mean tree heigh...

Ngày tải lên: 08/08/2014, 01:21

... enzyme in the OA matrix as shown by immunostain- ing is in support of this enzyme being involved in situ in cartilage matrix macromolecule degradation. Additional sup- port for this hypothesis is ... of matrix staining and a positive correlation between the enzyme level and safranin-O staining, also strongly supporting the hypothesis of its role in OA. Licofelone treat...

Ngày tải lên: 09/08/2014, 06:23

Ngày tải lên: 07/08/2014, 03:22