Báo cáo lâm nghiệp: "Changes of partitioning and increased root lengths of spruce and beech exposed to ambient pollution concentrations in southern England" pdf

Báo cáo lâm nghiệp: "Changes of partitioning and increased root lengths of spruce and beech exposed to ambient pollution concentrations in southern England" pdf

Báo cáo lâm nghiệp: "Changes of partitioning and increased root lengths of spruce and beech exposed to ambient pollution concentrations in southern England" pdf

... Changes of partitioning and increased root lengths of spruce and beech exposed to ambient pollution concentrations in southern England G. Taylor 1 M.C. Dobson 2 P.H. ... evidence exists to suggest that drought may act as an incit- ing factor, accelerating the decline of forest trees exposed to chronic doses of air pollution. For...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Changes in phenolic acids and stilbenes induced in embryogenic cell cultures of Norway spruce by two fractions of Sirococcus strobilinus mycelia" pot

Báo cáo lâm nghiệp: "Changes in phenolic acids and stilbenes induced in embryogenic cell cultures of Norway spruce by two fractions of Sirococcus strobilinus mycelia" pot

... bark of Norway spruce contains more isorhapontin than astringin (Fig. 3). e rapid decline of the levels of glycosides was described in in vitro maintained excised bark discs of Sitka spruce ... control). e decline in the levels of isorhapontin and astringin continued 24 h after PF application representing less than 68% and 50%, respectively, of the contents dete...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Changes in the mycorrhizal status of some mountain spruce forests" potx

Báo cáo lâm nghiệp: "Changes in the mycorrhizal status of some mountain spruce forests" potx

... pH–H 2 O is based on measuring pH of soil samples in water (five portions of water to one por- tion of soil); after 5 minutes of agitating and subse- quent standing for minimally two hours (not ... number of mycorrhizae proven in oak stands (P 2006) was statisti- cally proven in spruce mycorrhizae only in the total number of mycorrhizae (active and nonactiv...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf

Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf

... MAZZALI C., BALLARINDENTI A ., 2001. Techniques of ozone monitoring in a mountain forest region: passive and continuous sampling, vertical and canopy profiles. In: Proceedings of the International ... aim to obtain the required stocking density. e original forest cover at the site was a mixed stand consisting of beech (76%), fir (15%), oak (4%), and hornbeam (5%). App...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Changes in the abundance of Melolontha hippocastani" ppsx

Báo cáo lâm nghiệp: "Changes in the abundance of Melolontha hippocastani" ppsx

... years during swarming (2011–2012). We evaluated the correlation between the course of temperatures and the beginning and intensity of swarming of adults and discovered that adults of both ... after swarming in 2004 and 2008 will be clear after we obtain control results of the abundance of the 2 nd instar grubs in 2010. Bulhary locality Bulhary lies in southern...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: " Changes of the mixed mountain virgin forest after 70 years on a permanent plot in the Ukrainian Carpathians" pps

Báo cáo lâm nghiệp: " Changes of the mixed mountain virgin forest after 70 years on a permanent plot in the Ukrainian Carpathians" pps

... resistant to windstorm in the plot. On the contrary, spruce seems to be the species most susceptible to wind damage. Insect damage of spruce is, with respect to the small proportion of spruce in ... beech individual with 88 cm dbh reached 13.4 m 3 . The results of measuring lying deadwood show that beech is there apt to windthrow during strong winds. Fir –...
Ngày tải lên : 07/08/2014, 10:22
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Báo cáo lâm nghiệp: "Aboveground biomass relationships for mixed ash (Fraxinus excelsior L. and Ulmus glabra Hudson) stands in Eastern Prealps of Friuli Venezia Giulia (Italy)" pptx

Báo cáo lâm nghiệp: "Aboveground biomass relationships for mixed ash (Fraxinus excelsior L. and Ulmus glabra Hudson) stands in Eastern Prealps of Friuli Venezia Giulia (Italy)" pptx

... are the same of Table IV. SS is the sum of squares for error in arithmetic unit. In this case a and b and the coefficient of determination (R 2 ) were calculated using a nonlinear interpolation ... wood density and its variation with height; (b) to obtain an equation for predicting wood vol- ume; (c) to obtain allometric equations for predicting total bio- mass and bioma...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Changes in carbon uptake and allocation patterns in Quercus robur seedlings in response to elevated an 2 CO and water stress: C 13 labelling" pps

Báo cáo lâm nghiệp: "Changes in carbon uptake and allocation patterns in Quercus robur seedlings in response to elevated an 2 CO and water stress: C 13 labelling" pps

... 12-h loading period; the five remaining plants were our short-term 13 C labelling and biomass results pointed to a similarity in the patterns of C allocation to fine roots of ... proportion of newly incorpo- rated atoms relative to total atoms in a given sample, and is also interpreted as an index of C turnover whereas %P describes...
Ngày tải lên : 08/08/2014, 18:21
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Báo cáo lâm nghiệp: "Changes in endogenous cytokinins during flowering induction in Douglas fir: effect of exogenous applications N. Imbau" potx

Báo cáo lâm nghiệp: "Changes in endogenous cytokinins during flowering induction in Douglas fir: effect of exogenous applications N. Imbau" potx

... as fertilization, stem girdling, root pruning or root flooding, can favor flowering (Bonnet- Masimbert, 1982). Roots are also conside- red to be the major site of cytokinin synthesis (Kende, ... involvement of plant growth sub- stances (PGS) in flowering promotion in conifers was analyzed in relation to the level of gibberellins (Pharis e...
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: " An for attempt at generating haploid lines of Poplar species genetic manipulation and breeding program" pptx

Báo cáo lâm nghiệp: " An for attempt at generating haploid lines of Poplar species genetic manipulation and breeding program" pptx

... often occurs. The main objective is, therefore, to establish haploid cell lines of selected Poplar clones from anthers which will then be regenerated into shoots and roots ... poplar organogenesis and regeneration (Wolter, 1968; Russel and McCown, 1988); 5) transcription of desirable genes into poplar and increased recovery of transformed p...
Ngày tải lên : 09/08/2014, 04:20
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