Báo cáo lâm nghiệp: "Lysimetric study of eucalypt residue management effects on N leaching and mineralization" potx

... 17°58'46.72''E, 460 m a.s.l.; Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history J. H 1,2 , M. T 3 1 Forestry and Game Management Research ... consump- tion, mating behavior, and shelter selection of Anthribus nebulosus Forster (Coleoptera: Anthribidae), an introduce...

Ngày tải lên: 07/08/2014, 03:22

... inoculation of Ips typographus (L., 1758) to spruce trees under various levels of water stress M. T, O. N Faculty of Forestry and Wood Sciences, Czech University of Life Sciences ... Republic ABSTRACT: Manipulated experiments with males of Ips typographus (L., 1758) were conducted in spruce stands in north-western Slovakia. Some...

Ngày tải lên: 07/08/2014, 03:22

... of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae) M. T 1 , J. V 2 1 Faculty of Forestry and Wood Sciences, ... Slovakia ABSTRACT: Irradiation experiments on Ips typographus (L., 1758) with doses of 15 and 30 Gy (cobalt 60) were con- ducted in 2006. e effect...

Ngày tải lên: 07/08/2014, 03:22

... complex analyses of foliage nutrient status in a Scots pine stand in Lithuania. Site. e study site lies in the SW part (54°55'N, 23°43'E) of Lithuania in a common Scots pine stand for ... study aim was to interpret the foliage and soil analyses, and to find possible indications in the soil-plant relation in the stand. e analyses of the fol...

Ngày tải lên: 07/08/2014, 03:22

... In 1949, the Supported by the Ministry of Education, Youth and Sports of the Czech Republic, Projects No. VaV-SM/6/153/05 and MSM 6293359101. e evolution of natural floodplain forests in South ... relevés. The increasing trend in the number of recorded species may, however, also mean the movement of some of the ecologi- cal factors. In the case of floodpl...

Ngày tải lên: 07/08/2014, 03:22

... vegetation and the rest of phytocoenosis contribut- ing to the formation of the soil environment or on the contrary, the absence or presence of herbs on the soil surface is primarily caused by the ... paupera, on the contrary, the contribution to the knowledge of this ecosystem is in the determina- tion of complicated soil environment, compare...

Ngày tải lên: 07/08/2014, 10:21

... variability of xylem cell formation in the last tree ring does not aff ect the function of xylem tissues as a whole considerably.  e conducting phloem of Pinaceae consists of living, mature ... 8.0 Old stand 36.9 35.3 20.1 226 J. FOR. SCI., 57, 2011 (5): 226–232 JOURNAL OF FOREST SCIENCE, 57, 2011 (5): 226–232 Preliminary study on phloemogenesis in Norway spruce:...

Ngày tải lên: 07/08/2014, 10:21

... rooting of holm oak seedlings after direct sowing of the acorns, such as acorn size and pre -sowing soil preparation. 2. MATERIALS AND METHODS In autumn 2002 (early November), acorns of different sizes ... EDP Sciences, 2006 DOI: 10.1051/forest:2006079 Original article Direct sowing of holm oak acorns: effects of acorn size and soil treatment Francis...

Ngày tải lên: 07/08/2014, 16:20

... placement) of woody residues from eucalyptus plantations on N availability and leaching, a study was developed in controlled conditions (lysimetric ex- periment), in the absence of nutrient uptake. ... rotation of eucalypts plantations [19], and the environmental conditions are mod- ified (e.g., soil water content, absence of root exudates and root uptake). Although experi...

Ngày tải lên: 07/08/2014, 16:21

... diversity. The main locations of the larger provenances (Fig. 1 and Tab. I) are: (a) the southern macro-slope of the main range of the Crimea mountains, 3 natural stands coded C; (b) the Ukraine steppe ... also within the Crimea populations. They defined this pine as one of the most variable within the genus Pinus. Moreover, most of the afforestation pr...

Ngày tải lên: 08/08/2014, 01:21

... the inventory takes 10 years to be completed. An alternative method is needed for a rapid assessment of infestations. In this paper, we evaluate whether data from sales of attacked timber can be used to ... an out- break of I. typographus in 1991–1992. Information on attacks by the bark beetle was extracted from timber sales for 1988 to 1996. In Belgium,...

Ngày tải lên: 08/08/2014, 01:22

... growing, beech stand, and stand biomass increased by about 10% each year (unpublished data). An increase in soil respiration in a young slash pine plantation has been ascribed to an increase in ... RESULTS Soil respiration exhibited pronounced seasonal variations with minimal values in winter and high values in early summer Interannual variation of soil respirati...

Ngày tải lên: 08/08/2014, 01:22

... spatiales. Oecol. Plant. 2, in press Jarvis P. (1975) Water transfer in plants. In: Heat and Mass Transfer in the Biosphere. Part 1. Transfer Processes in Plant Environment. ... obtain an estimation of the total re- sistance of the transpirational pathway (Fig. 3). It is possible to determine the 3 parameters (2 resistances and 1 capa...

Ngày tải lên: 09/08/2014, 04:20

... McGraw-Hill, London, pp. 383-417 7 Experimental study of pine ectomycorrhizae: ectomycorrhizal organization after girdling of the hypocotyl J. Lei J. Dexheimer Laboratoire de Biologie ... leading morphologically in the pine to the swelling of the stem above the ablation (Fig. 1 ) and in the fungal partner to the more or less complet...

Ngày tải lên: 09/08/2014, 04:20

... 5.6% of the Z2491 genome and 7.1% of the MC58 genome, but they contained only 2% (38) and 2.6% (51) of the total number of DUSs, respectively (P < 0.001, χ 2 test). These horizontally transferred ... list was then refined by combining the informa- tion on the distribution of similarity of these putative orthologs and the data on gene order conservation...

Ngày tải lên: 14/08/2014, 08:20