Báo cáo lâm nghiệp: "Light-quality and -quantity effects on monoterpene-mediated photo-bleaching of conifer needles" pot

... was evaluated on a skid trail in the natural forest of north of Iran. Combination of two levels of slope < 20% (SC1) and > 20% (SC2) and three levels of traffic (one, five and nine traffics) ... In: e Contribution of soil sci- ence to the development of and implementation of criteria and indicators of sustainable sorest management. No. 53, Soil Science Socie...

Ngày tải lên: 07/08/2014, 03:22

... description, but wholly dis- agrees with monochromatic yellow pterostigma as mentioned by K (2002). e male cocoon is 9–12.5 mm long and 3–4.5mm wide, the female cocoon is 11–13 mm long and ... May–September growing season was 12.8°C, (iii) mean annual total precipita- tion was 691.2 mm, and (iv) mean sum of precipita- tion during the growing season was 442.6 mm. Five so...

Ngày tải lên: 07/08/2014, 10:21

... [33], concen- trations of N and micronutrients were satisfactory in all of the plantations. However, most of the plantations showed low lev- els of P and Ca, and some, of K and Mg. In addition, ... deficiencies of Mg and K. Growth depended mainly on the altitude, length of the drought period and on concentrations of Ca in soils. Productivity is reflected by the...

Ngày tải lên: 08/08/2014, 01:21

... activation of PFK activity at 5 °C; in fact, the addition of inorganic phos- phate resulted in an inhibition of PFK activity. Fur- ther analysis of phosphate effects on PFK at 5 °C seemed warranted and ... a value of 7.3 dramatically altered the effect of phosphate and activation was seen only at low concentrations with a maximal 1.7-fold activation at 2 mm phosphate. At T...

Ngày tải lên: 19/02/2014, 16:20

... temperature effects on the viscosity of water inside carbon nanotubes Hongfei Ye 1 , Hongwu Zhang 1* , Zhongqiang Zhang 1,2 , Yonggang Zheng 1 Abstract The influences of the diameter (size) of single-walled ... trends of the viscosity (non- linear) and the hy drogen bond (linear) of the b ulk water, as shown in Figure 4b. Conclusions In summary, we have studied the influences...

Ngày tải lên: 21/06/2014, 06:20

... Effect of oxygen tension and alginate encapsulation on restoration of the differentiated phenotype of passaged chondrocytes. Tissue Eng 2001, 7:791-803. 26. Allen KD, Athanasiou KA: Effect of passage ... expression profiles of meniscal fibrochondrocytesCollagen II gene expression profiles of meniscal fibrochondrocytes. The x-axis refers to the passage number, and the y-axis...

Ngày tải lên: 09/08/2014, 10:21

... both on the cumulated value of the target variable beyond a certain stage or segment and the conditional (and concomitantly, on the unconditional) selection prob- ability of the segments of ... 2001). During this period, there have been only smaller conceptional contributions, such as the introduction of the terms conditional and uncondi- tional probabilities (V...

Ngày tải lên: 07/08/2014, 03:22

... Reduction of regen- eration during repeated measurement Non-forest No change in presence of regeneration Presence of regeneration only by 1 st measurement Presence of regeneration only by ... represented by 68% and of deciduous tree species by 32%. Regeneration of coniferous tree species in the open space is 62.2% and of deciduous tree species 37.8%. And there are 7...

Ngày tải lên: 07/08/2014, 03:22

... Douglas fir stand and similar ones in stands of the other conifers. e sampling of sur- face humus was not possible in the birch stand (and on arable soil) because of its lack. In F and H layers, ... soil reaction (pH) in water and 1 N KCl, potentio- metrically, Table 1. Comparison of the production potential of particular tree species in stands established on former agri...

Ngày tải lên: 07/08/2014, 03:22

... Further evaluation of the survival and growth of seedlings grown in the sun and in the shade after their outplanting to diff erent conditions will show to what extent the need of adaptation to diff ... ca- pacity is reduced on the level of the light phase of photosynthesis, i.e. in processes of the capture and transmission of radiant energy quanta.  e long- term eff ec...

Ngày tải lên: 07/08/2014, 10:21