Báo cáo lâm nghiệp: "Morphological and physiological micropr

Báo cáo lâm nghiệp: "Morphological and physiological micropropagation" ppt

... temperatures followed by cool and damp conditions in the greenhouse (group c) greatly restricted stomatal conductance and gas ex- change and this was apparently due to restricted ... compensation point and this would be expected to enhance photo- respiration rates with adverse effects on the capacity for carbon gain and success- ful growth a...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo lâm nghiệp: "Growth and physiological state of beech seedlings grown in a nursery in diﬀerent light conditions" docx

... larger root collar di- ameters and higher weight and volume of shoots and root systems. In seedlings grown in the sun a higher number of leaves, larger total leaf area and higher dry matter of ... (PAR) and higher maximum values of ETR. A similar course of ETR curves and diﬀ erences between plants grown in the sun and in the shade were observed in seedlings from both the 4...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Morphological and functional variability in the root system of Quercus ilex L. subject to conﬁnement: consequences for aﬀorestation" ppt

... (MT) and 43 (LT) mm. This yielded volumes of 1 700 cm 3 (ST, MT) and 1 500 cm 3 (LT) respectively. The substrate employed was a mixture of sand and silt (2:1 v/v) to facilitate root extraction and ... Tables II and III (n = 22). A R and V R were about 38% and 88% higher, respectively, in LT than in ST, whereas D R was about 50% higher in ST than in LT and DRW was about 50% hig...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Ecological and morphological notes on Notopygus bicarinatus (Hymenoptera: ichneumonidae)" ppsx

... species, in Europe known from Austria (J 1978), Finland, Germany, the Netherlands (Y et al. 2005), Ita- ly (S 2009) and Poland (K 2004). In the Czech Republic, K ... mesh and regularly moistened until the adults emerged (at a temperature of 20°C and 16 h of daylight). All material was collect- ed by the Forestry and Game Management Research Institu...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Evaluation of physiological and health state of Norway spruce plants with diﬀerent growth rate at juvenile stage after outplanting at" pdf

... “Conservation of the stability and biodiversity of Norway spruce mountain populations”.  is paper presents the re- sults of the health and physiological state of young spruce stands established by outplanting ... nursery practice). Height and diameter growth and health status of outplantings are evaluated regularly on this research plot. A more detailed evaluation of phenolo...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Age-related physiological and structural traits of chestnut coppices at the Castelli Romani Park (Italy)" pot

... DBH and DH increased linearly with the age (Fig. 3), being 1.0 ± 0.5 cm and 1.5 ± 0.8 m, respectively, in 1 year old stands, and 19.6 ± 9.1 cm and 20.5 ± 1.1 m, respectively, in 30 years old stands. BA ... 28%. Ψ pd recovered 96 and 81% in YC and OC, respectively, and Ψ md 23 and 75% in YC and OC, respectively, in September; in the same period SWC was on an average 23.1% (...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Regeneration and game damage in the Krušné hory Mts. assessed on the basis of National Forest Inventory of the Czech Republic" pps

... 291 where is selected one stand for the measuring of the regeneration and one stand for peeling on 100 ha. 7–10 temporary sample plots are located in sample stands (VERWALTUNGSVORSCHRIFT 2000). ... above 700 m and below this limit and were then compared with each other. e altitude ranges from 352 m to 1,080 m above sea level. ere are 41% of the area below the green line and 59...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Production and humus form development in forest stands established on agricultural lands – Kostelec nad Černými lesy region" potx

... Douglas ﬁr stand and similar ones in stands of the other conifers. e sampling of sur- face humus was not possible in the birch stand (and on arable soil) because of its lack. In F and H layers, ... horizons) in the spruce stand on the former arable soil and then in the Douglas ﬁr one, lower in the pine stand and especially lower in the older stand on forest land. In the mineral...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Structure and development of forest stands on permanent research plots in the Krkonoše Mts" pdf

... mixed (fi r beech and spruce beech stands) and spruce stands, relict pine woods and stands in the ecotone of the upper forest limit in diff erent site, stand, air-pollution and ecological ... Szklarka, river valley of Lomniczka and Pod Kociołom Szrenickim (Poland). PRP 36 – Chojnik – silver fi r beech stand Site and stands characteristics  e forest stand 213f withPRP 36 – Ch...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Sulphur and nitrogen concentrations and ﬂuxes in bulk precipitation and throughfall in the mountain and highland spruce stands in the Czech Republic" docx

... radiation and to hold the funnels approximately 1 m above the ground.  ere were 7 collectors randomly dis- tributed at the mountain spruce stand and 5 at the highland spruce stand. During ... Description of study sites and spruce stands Mountain spruce stand Highland spruce stand Study site locality Bílý Kříž – Moravian-Silesian Beskids Mts. Rájec – Drahanská Highland geographic coo...

Ngày tải lên : 07/08/2014, 10:21

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