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

... 10.1051/forest:2003010Original articleEffects of browsing on shoots and roots of naturally regenerated sessile oak seedlingsMichael Drexhage* and Francis ColinINRA 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-horizon with a depth of 98–153 cm. ... architecture,anchorage, and acquisition of soil-based resources [14].Although the growth conditions for controlled simulationexperiments of browsing in nurseries differ from those for browsing in natural...

Báo cáo lâm nghiệp: "Effects of drainage treatment and stand growth on changes in runoff components from a forested watershed" pps

... 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 hand, the drainage-induced change ... procedure of hydrograph separation: basic (base flow) and direct runoff (sum of both interflow and overland flow). e direct flow Effects of drainage treatment and stand growth on changes in runoff components...

Báo cáo lâm nghiệp: "Effects of nitrogen on the selection of food by Phyllobius arborator (Herbst)" pot

... 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 nitrogenFig. 7. e weight of the dry matter of birch leaves affected by the application of ammonium ... Ecol-ogy and Management, 32: 1–38.JANSSON R.K., SMILOWITZ Z., 1985. Influence of nitrogen on population parameters of potato insects: abundance, population growth and within-plant distribution of...

Báo cáo lâm nghiệp: "Effects of spruce, beech and mixed commercial stand on humus conditions of forest soils" pdf

... 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 soilsT. ... 119JOURNAL 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 of forest stands. In the course of ... stand. e values of soil reaction also indicate higher acidity in the spruce monoculture than in the beech stand. Regarding the conditions of soil under the mixed stand (55% proportion of...

Báo cáo lâm nghiệp: " Effects of ectomycorrhizal inoculation and the type of substrate on mycorrhization, growth and nutrition of containerised Pinus pinea L. seedlings produced in a commercial nursery" docx

... 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 needlesWhen the concentration of nutrients in needles was ana-lysed, interaction between inoculation and type of substratewas observed, and statistics ... plus non-inoculated control plants. One-month-old seedlings were inoculated with 10 mL of the targetspore suspension of the corresponding fungus. The final inoculumconcentration was of 106...

Báo cáo lâm nghiệp: " Effects of site preparation with micro-basins on Pinus halepensis Mill. afforestations in a semiarid ombroclimate" potx

... determinewhether the use of different techniques of site preparation influencedthe development of different types of vegetation. On the one hand, thespecific 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 degraded lands at USDepartment ... the summer months [3, 10, 19,29]. This is the reason why the introduction of seedlings linkedto the site preparation focused on concentrating runoff water on the seedling bed can not only improve...

Báo cáo lâm nghiệp: "Effects of artificial damage on the branching pattern of Nothofagus dombeyi (Nothofagaceae)" ppsx

... 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 thenumber 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 and control parent shoots were ... this experiment, distal offspring shoots corre-sponding to t.4 were, on average, longer than treated offspring shoots of t.1, t.2 and t.3 and the distal offspring shoots of t.0(F = 2.4, p <...

Báo cáo lâm nghiệp: "Effects of light intensity on the growth and energy balance of photosystem II electron transport in Quercus alba " potx

... each measuring date using one-way analysis of variance followed by Bonferroni’s multiple comparisons. One-wayanalysis of variance followed by Bonferroni’s multiple comparisonswas 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 approximatedby 1–qP. Figure 4 also illustrates an estimate of the flux of elec-trons ... (1989)87–92.[17] Glitzenstein J.C., Canham C.D., McDonnell M.J., Streng D.R.,Effects of environment and land-use history on upland forest of theCary Arboretum, Hudson Valley, New York, Bull. Torrey Bot.Club...

Báo cáo lâm nghiệp:" Effects of competing vegetation on juvenile white spruce (Picea glauca (Moench) Voss) growth in Alaska" pdf

... and treatment and unit for Fort Richardson) and to generateequations 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. BonanzaCreek seedlings were also measured at the end of the sixth, ninth, and eleventh growing seasons, and Fort Richardson seedlings ... Informa-tion Criterion (AIC), Schwarz’ Bayesian Criterion (BIC), and comparisons of predicted values, residual values, and replicationmeans. Results were similar among all matrices for which conver-gence...

Báo cáo lâm nghiệp:"Effects of field vegetation control on pine weevil (Hylobius abietis) damage to newly planted Norway spruce seedlings" ppt

... over time on scarified patches ormounds, besides the establishment of field vegetation, includethe accumulation of litter, and compaction of the soil surface.Örlander and Nilsson [11] concluded ... vegetation control and pine weevil damage 671colonisation following scarification is an important factor toconsider when attempting to reduce pine weevil damage. The vegetation cover had only ... Effect of reforestation methods on pineweevil (Hylobius abietis) damage and seedling survival, Scand. J.For. Res. 14 (1999) 341–354. [12] Petersson M., Örlander G., Effectiveness of combinations...

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