Báo cáo lâm nghiệp: " Pointer years and growth in Turkey oak (Quercus cerris L) in Latium (central Italy) A dendroclimatic approach" docx
Báo cáo lâm nghiệp: " Pointer years and growth in Turkey oak (Quercus cerris L) in Latium (central Italy). A dendroclimatic approach" docx
... reported to define some anatom- ical features of pointer years. An automatic image analysis system was used to examine anatomical features in pointer years and a new method ... precipitation on ring width. Figure 7 shows the comparison between pointer years in the mean residual curve Original article Pointer years and growth in Tu...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Physiological, morphological and growth responses to rhizosphere hypoxia by seedlings of North American bottomland oaks" potx
... elevational changes can affect vege- tational cover (Tanner, 1986). Overcup oak (Quercus lyrata Walt), swamp laurel oak (Q laurifolia Michx), willow oak (Q phellos L), and ... measurements were randomly taken for each treatment and species combination at 2 h intervals beginning at 0600 hours, and finishing at 2000 hours on 4 days during...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: " Humus conditions and stand characteristics of artificially established young stands in the process of the transformation of spruce monocultures" pdf
... reaction Both actual (in H 2 O) and exchangeable (in nKCl) pH was determined. In the surface humus, values of both actual and exchangeable pH decrease with increasing depth (Figs. 2 and 3) in ... carbon) and basic growth charac- teristics of two mixed stands (spruce with beech and larch with beech) aged 25 years with a pure beech stand (aged 40 years) and pure sp...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Light acclimation and photosynthetic response of beech (Fagus sylvatica L.) saplings under artificial shading or natural Mediterranean conditions" docx
... light regime in the context of Mediterranean climate. In this aim we studied a young regeneration in understory of a natural stand, and saplings grown in artificial shading. The main result was a very ... north-eastern France (plots and linear regression) and southern France (mean, standard deviation and confidence inter- val of the mean), and for the natural regenerat...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: " Early development and nutrition of Norway spruce (Picea abies (L.) Karst.) seedlings on different seedbeds in the Bavarian limestone Alps – a bioassay" ppsx
... small borings at the bottom) for water drainage, although leaching was minimized by watering to field capacity three times a week [55]. 2.4. Plant biomass and chemical analysis At the beginning ... organic layers and highly decayed dead wood is higher than in mineral soils, and nearly comparable to peat [13,22, 53]. Although N contents in mineral soils were as high as in dead woo...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Biomass increment and carbon balance of ash (Fraxinus excelsior) trees in an experimental stand in northeastern France" docx
... article Biomass increment and carbon balance of ash (Fraxinus excelsior) trees in an experimental stand in northeastern France Noël LE GOFF a *, André GRANIER b , Jean-Marc OTTORINI a , Marianne PEIFFER b a ... Then, the relative biomass increment of each increment sample was calculated as the ratio of the basal area increment to the basal area – the cross sectional surface are...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo lâm nghiệp: "Seasonal variations and acclimation potential of the thermostability of photochemistry in four Mediterranean conifers" doc
... moun- tain (P. nigra and C. atlantica) and coastal species (P. halepensis and C. sempervirens). C. atlantica, a mountain species in many North African and Southern France locations, displayed con- sistently ... Jouinau produced and maintained the plant material at INRA Avignon, and Jean Marie Gioria at INRA Nancy. Patrick Gross (INRA Nancy) designed the device used to measure...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo lâm nghiệp: "Delineation of seed zones for European beech (Fagus sylvatica L.) in the Czech Republic based on isozyme gene markers" ppsx
... was originally developed for use in the mining industry, it has recently found wide application in soil, groundwater and vegetation mapping, as well as in human and plant ... multivariate anal- yses. Sampling individual trees makes a regular covering of the investigated terri- tory technically feasible. A similar approach was applied by Cheli...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: "Evaluation of the growth and health status of selected clone mixtures in comparison with ordinary planting stock" docx
... being. e health status (defoliation was not higher than 10% in any variant and there occurred hardly any changes in the coloration of assimilatory organs 2 years after outplanting) and growth ... W J. (2000): Growth cessation and au- tumn-frost hardiness in one-year-old Picea abies progenies from seed orchards and natural stands. Scandinavian Jour- nal of Forest...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Modelling dominant height growth and site index curves for rebollo oak (Quercus pyrenaica Willd.)" pptx
... dominant height (m) for the stand at age T i (years) and error standard of parameters are in brackets. As regards reference age, that of 60 years was selected based on ages that are intermediate ... biogeoclimatic stratums. Different traditional and generalized algebraic difference equations were tested. The evaluation criteria included qualitative and quantitative examinations and...
Ngày tải lên: 07/08/2014, 16:20