Báo cáo lâm nghiệp: "Effects of browsing on shoots and roots of naturally regenerated sessile oak seedlings" docx

... 10.1051/forest:2003010 Original article Effects of browsing on shoots and roots of naturally regenerated sessile oak seedlings Michael Drexhage* and Francis Colin INRA Nancy, Laboratoire d’Étude ... with a depth of 4–23 cm, a Ag-horizon with a depth of 23–41 cm, a compact Btg-Horizon with a depth of 41–74 cm, a B- Cg-horizon with a depth of 74–98 cm, and a C-...

Ngày tải lên: 08/08/2014, 01:22

... separation its recession limb and determining only the runoff con- stituents and their comparison also in the process of time. Similarly, the influence of land use changes on the ratio of runoff ... regenerated forest stand. Under such conditions, the fluctuation of runoff can be related to the loss and restoration of both interception and transpiration. On the other han...

Ngày tải lên: 07/08/2014, 03:22

... increased consumption of food in the creation of a fat body in females of Lochmaea caprae (L.) Differences of imagoes in the consumption of food in particular variants cannot be confronted with ... Weevils of the genus Phyllobius – consumption of food on birch affected by differentiated inputs of nitrogen Fig. 7. e weight of the dry matter of birch leaves affected by th...

Ngày tải lên: 07/08/2014, 10:21

... Research Intention of the Institute of Systems Biology and Ecology, Academy of Sciences of the Czech Republic. Effects of spruce, beech and mixed commercial stand on humus conditions of forest soils T. ... 119 JOURNAL OF FOREST SCIENCE, 55, 2009 (3): 119–126 e condition and form of humus in forest man- agement are among key factors affecting the condi- tion and growth...

Ngày tải lên: 07/08/2014, 10:21

... Arling- ton VA, 1984. Nursery production of containerised P. pinea 819 (1.8 g L –1 ) and the micronutrients preparation Fetrilon (0.12 g L –1 ) and Hortrilon (0.28 g L –1 ) (Basf, Barcelona, Spain) ... III). 3.3. Concentration of nutrients in needles When the concentration of nutrients in needles was ana- lysed, interaction between inoculation and type of substrate was observed,...

Ngày tải lên: 08/08/2014, 00:22

... determine whether the use of different techniques of site preparation influenced the development of different types of vegetation. On the one hand, the specific composition of the twelve sampled ... degrada- tion and desertification induced by vegetation removal in a semia- rid environment, Soil Use Manage. 14 (1998) 1–5. [2] Anderson D.C., Ostler W.K., Revegetation of degrade...

Ngày tải lên: 08/08/2014, 00:22

... sums of the sizes of all offspring shoots devel- oped and the size of the largest offspring shoot relative to that of other offspring shoots (Figs. 4 and 5). The most distal off- spring shoots ... for the number of comparisons performed. For experiment 3, treated off- spring shoots of treatments 1, 2 and 3 and the most distal offspring shoots of treatment 4 an...

Ngày tải lên: 08/08/2014, 00:22

... each measuring date using one-way analysis of variance followed by Bonferroni’s multiple comparisons. One-way analysis of variance followed by Bonferroni’s multiple comparisons was also used to test ... force of electron transport to the reduction of the redox state of the primary electron acceptor of PS II, which is approximated by 1–q P . Figure 4 also illustrates an estimate o...

Ngày tải lên: 08/08/2014, 00:22

... and treatment and unit for Fort Richardson) and to generate equations for height and diameter through time. Orthogonal and non- orthogonal contrasts were used to test for treatment and unit effects. These ... plant- ing and at the end of each of the first 5 growing seasons. Bonanza Creek seedlings were also measured at the end of the sixth, ninth, and eleventh growing se...

Ngày tải lên: 08/08/2014, 01:21

... over time on scarified patches or mounds, besides the establishment of field vegetation, include the accumulation of litter, and compaction of the soil surface. Örlander and Nilsson [11] concluded ... vegetation control and pine weevil damage 671 colonisation following scarification is an important factor to consider when attempting to reduce pine weevil damage. The vegetation...

Ngày tải lên: 08/08/2014, 01:21