Báo cáo lâm nghiệp: "Influence of marine salts on the localization and accumulation of surfactant in the needles of Pinus halepensis Mill" ppsx

... effects of slope and traffic intensity on soil compaction, rutting and forest floor removal was evaluated on a skid trail in the natural forest of north of Iran. Combination of two levels of slope ... standards for sustainable forest produc- tivity in the United States. In: e Contribution of soil sci- ence to the development of and implementation of criteria...

Ngày tải lên: 07/08/2014, 03:22

... 1. The ratio between CWP and MMD a decreased within the first half of a tree-ring; then it reached a plateau, and remained constant in the second half of the tree-ring (Fig. 2B). Correlations ... model of xylem growth [9] simulates a diminution of wood density at the beginning of a ring, and explains it by a temporary short- age in substrate for cell-wall construc...

Ngày tải lên: 07/08/2014, 16:20

... penetration and accumulation of organic chemicals in plant cuticles. Rev Environ Contam Toxicol 108, 1-70 Original article Influence of marine salts on the localization and accumulation ... wind during storms and damage the coastal vegetation. LABS accumulation in the needles of P halepensis Mill needs to be confirmed on pines gr...

Ngày tải lên: 08/08/2014, 18:21

... and March of the year in question. e standard tree-ring chronology shows an obvious decrease in radial increments starting at the beginning of the 1970s and ending at the end of the 1980s. ... the year in question (Fig. 3). e standard regional tree-ring chronology shows a decrease in the radial increments starting at the beginning of the 1970s and...

Ngày tải lên: 07/08/2014, 03:22

... and maximum density in response to elevated CO 2 Supported by the Ministry of Environment of the Czech Republic, Project No. VaV/640/18/03, the Ministry of Education, Youth and Sports of the ... and non-stressed conditions. In: JACOBY G.C., HORNBECK J.W. (eds.), Proceedings of the Inter- national Symposium on Ecological Aspects of Tree-Ring Analysis. Spri...

Ngày tải lên: 07/08/2014, 03:22

... decrease in height during the winter period through Table 6. Proportion values of nutrition elements to N (=100%) in dry mass of leaves (the 1 st section of the table) and basic cation ratios in the ... during the conversion of blue spruce stands even under environmentally highly stressing conditions, (2) to assess the foliar nutrient status of the alder...

Ngày tải lên: 07/08/2014, 04:20

... content by raising the soil reaction (pH) and promoting mineralization of SOM, on the other hand this treatment adds Ca cations into soil and thus increases the probability of the formation ... consequence of silicate weathering. In the 0–10 cm horizon of the limestone variant, the increased content of exchangeable Ca and Mg is in accordance with expect...

Ngày tải lên: 07/08/2014, 10:22

... 1-min inter- vals, from 7.00 to 17.00, on 10 different days selected at the beginning, middle and end of the growing season on both clear and overcast sky conditions in order to increase their ... of the lateral shoots at the last node) is a relatively good and simple indicator of the light conditions in which saplings are growing. These informations may be usefu...

Ngày tải lên: 08/08/2014, 00:21

... Considering that the theoretical response with depth described by the Weibull function permits a changing position of the peak value in flow, the relationship in flow between two sensors in the ... continuously throughout the growing season using the heat dissipation method according to Granier [4, 5]. Heating of the upper probe was carried out along a 20 mm long win...

Ngày tải lên: 08/08/2014, 00:21

... in flooded seedlings. In fact, Dickson [10] underlined the involve- ment of cytokinin in bud break initiation of Quercus rubra seedlings. Initiation of new roots in stressed seedlings began 26 ... partitioning was impaired by flooding especially in leaves. Further experiments will be help- ful to clarify (i) the role of ammonium assimilation pathway in maintaining amin...

Ngày tải lên: 08/08/2014, 00:22