Đăng nhập

Hãy chọn một cách để đăng nhập

Hoặc tiếp tục với email

Nhớ mật khẩu

Chưa có tài khoản? Đăng ký

Báo cáo lâm nghiệp: "Phenological investigations of diﬀerent winter-deciduous species growing under Mediterranean conditions" pot

Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx

Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" 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

5
429
0

Báo cáo lâm nghiệp: "The results of manipulated experiments with inoculation of Ips typographus (L., 1758) to spruce trees under various levels" potx

Báo cáo lâm nghiệp: "The results of manipulated experiments with inoculation of Ips typographus (L., 1758) to spruce trees under various levels" potx

... 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

6
355
0

Báo cáo lâm nghiệp: "The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)" doc

Báo cáo lâm nghiệp: "The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)" doc

... 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 conducted in 2006. e eﬀect...

Ngày tải lên : 07/08/2014, 03:22

7
430
0

Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps

Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps

... traps give information influenced by mi- gration of beetles. CONCLUSIONS I. typographus remained dominant species on the majority of sites having high intensity of tree infes- tation mainly along ... understanding of bark beetles spatial distribution. It may be used for practical forest protection only as preliminary information. No environmental factor controlling observed...

Ngày tải lên : 07/08/2014, 03:22

8
435
0

Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx

Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx

... selection of the best plus trees based on the performance of their half- sib progenies (R 1 ); response to selection of the best half-sib progenies (R 2 ); response to selection of the best clonally ... by the Czech University of Life Sciences in Prague, Faculty of Forestry and Environment, Project No. 41130/1312/413162. Initial evaluation of half-si...

Ngày tải lên : 07/08/2014, 03:22

6
456
0

Báo cáo lâm nghiệp: "The use of silica sand in micropropagation of woods" pot

Báo cáo lâm nghiệp: "The use of silica sand in micropropagation of woods" pot

... was used in part as liquid with sand (25 cm 3 sand + 20 ml solution), in part reinforced by heating 6g of agar in a 1 l medium. Cultures were incubated for 6 weeks with a daily lighting period ... substances. White silica sand marked PR 21 from the sandpit Provodín near Česká Lípa (http://www.pisky.cz) was used in laboratories of the North-Bohemian Museum in Libere...

Ngày tải lên : 07/08/2014, 03:22

5
465
0

Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx

Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx

... 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

12
409
0

Báo cáo lâm nghiệp: "The effect of point application of fertilizers on the soil environment of spread line windrows in the Krušné hory Mts" docx

Báo cáo lâm nghiệp: "The effect of point application of fertilizers on the soil environment of spread line windrows in the Krušné hory Mts" docx

... were observed mainly in regions exposed to the heavy deposition e eﬀect of point application of fertilizers on the soil environment of spread line windrows in the Krušné hory Mts. D. V 1 , ... scariﬁcation the top -soil horizons were moved into line windrows, which caused marked degradation of the soil environment. e present revita...

Ngày tải lên : 07/08/2014, 03:22

14
491
0

Báo cáo lâm nghiệp: "The proposal of biotic hazard zones in selected spruce dominated regions in Slovakia" pptx

Báo cáo lâm nghiệp: "The proposal of biotic hazard zones in selected spruce dominated regions in Slovakia" pptx

... of biotic hazard zones in three spruce dominated regions in Slo- vakia; (3) Proposal of zone-speciﬁc forest protection mea- sures. Study regions ree regions with diﬀerent kind of spruce decline ... Descriptive statistics of data on accidental felling of spruce (m 3 of felled volume) used for the proposal of biotic hazard zones in three inves...

Ngày tải lên : 07/08/2014, 03:22

7
433
0

Báo cáo lâm nghiệp: "The influence of selected factors on energy requirements for plain milling of beech wood" ppsx

Báo cáo lâm nghiệp: "The influence of selected factors on energy requirements for plain milling of beech wood" ppsx

... information on the given problems. Energy requirements were assessed on the basis of measurement and evaluation of electric input e inﬂuence of selected factors on energy requirements for plain ... of selected factors of energy requirements at plain milling of beech wood on cutting input as well as on basic technological parameters v c...

Ngày tải lên : 07/08/2014, 03:22

8
434
2

Báo cáo lâm nghiệp: "Value production of poplar clones'''' ppt

Báo cáo lâm nghiệp: "Value production of poplar clones'''' ppt

... e direct costs of the production of 1 m 3 of raw wood assortments were derived by means of the product of SH/m 3 with the wage schedule and coef- ﬁcient of recalculation of labour costs ... Quality of wood in the stands of poplar clones. Journal of Forest Science, 54: 9–16. PETRÁŠ R., MECKO J., NOCIAR V., 2008b. Models of as- sortment yield tables for poplar...

Ngày tải lên : 07/08/2014, 03:22

8
323
0

Báo cáo lâm nghiệp: "Population genetics of Norway spruce (Picea abies Karst.) at regional scale: sensitivity of diﬀerent microsatellite motif classes in detecting diﬀerentiation" pps

Báo cáo lâm nghiệp: "Population genetics of Norway spruce (Picea abies Karst.) at regional scale: sensitivity of diﬀerent microsatellite motif classes in detecting diﬀerentiation" pps

... 10.1051/forest:2006029 Original article Population genetics of Norway spruce (Picea abies Karst.) at regional scale: sensitivity of different microsatellite motif classes in detecting differentiation Ivan S a,b * , ... type and mutation rate on the resulting pattern of differentiation. A further source of variation in the estimates of genetic di...

Ngày tải lên : 07/08/2014, 16:20

7
348
0

Báo cáo lâm nghiệp: "Eﬀect of leaf biomass and phenological structure of the canopy on plot growth in a deciduous hardwood forest in northern Japan" pot

Báo cáo lâm nghiệp: "Eﬀect of leaf biomass and phenological structure of the canopy on plot growth in a deciduous hardwood forest in northern Japan" pot

... each combination of plot and month. Annual leaf biomass was calculated by summing monthly leaffall. To quantify the phenological pattern of leaffall and the corre- sponding phenological structure of the ... 2006) Abstract – We monitored leaf biomass, seasonal changes in leaffall, and plot growth for 11 years post-thinning in a secondary deciduous har...

Ngày tải lên : 07/08/2014, 16:20

8
347
0

Báo cáo lâm nghiệp: "Eﬀects of resource availability on condensed tannins and nitrogen in two Quercus species diﬀering in leaf life span" doc

Báo cáo lâm nghiệp: "Eﬀects of resource availability on condensed tannins and nitrogen in two Quercus species diﬀering in leaf life span" doc

... Available online at: c  INRA, EDP Sciences, 2007 www.afs-journal.org DOI: 10.1051/forest:2007021 Original article Eﬀects of resource availability on condensed tannins and nitrogen in two Quercus species ... radiation), at two water regimes (500 and 800 mm) and with two nutrient availabilities (standard substrate and 7% increase in soil N). The concentratio...

Ngày tải lên : 07/08/2014, 16:21

7
411
0

Báo cáo lâm nghiệp: "Phenological investigations of diﬀerent winter-deciduous species growing under Mediterranean conditions" pot

Báo cáo lâm nghiệp: "Phenological investigations of diﬀerent winter-deciduous species growing under Mediterranean conditions" pot

... www.afs-journal.org DOI: 10.1051/forest:2007033 Original article Phenological investigations of diﬀerent winter-deciduous species growing under Mediterranean conditions Fabio O * , Tommaso B , ... nitrogen variation in Mediterranean species of Portugal, Ecol. Mediterr. 18 (1992) 7–18. [7] De Lillis M., Fontanella A., Comparative phenology and growth in di...

Ngày tải lên : 07/08/2014, 16:21

12
163
0

Từ khóa: