Báo cáo lâm nghiệp: "Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic)" pot

... 53 JOURNAL OF FOREST SCIENCE, 53, 2007 (Special Issue): 53–56 Contribution to knowledge of Hylesinus fraxini (Panzer, 1779) (Coleoptera: Scolytidae) natural enemies from Northern Moravia (Czech ... recorded. e most abundant parasitoid was Eurytoma morio Boheman, 1836 (44.1% from the total number of all reared parasitoids; 23.8% of the total mortal...

Ngày tải lên: 07/08/2014, 03:22

... 6215648902. Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic) J. S Faculty of Forestry and Wood Technology, ... found in southern Moravian forests as exerted by the bank vole gnawing the stems of young trees. In controlled forests 40% of young o...

Ngày tải lên: 07/08/2014, 03:22

... respect to damage to forest stands. In the present paper, the population dynamics of As is described in larger forest complexes of southern Moravia depending on the biotope and food supply including ... (Apodemus sylvaticus) . Journal of Zoology (London), 198: 83–102. SUCHOMEL J., 2007. Contribution to the knowledge of Clethrionomys glareolus populatio...

Ngày tải lên: 07/08/2014, 03:22

... METHODS Four-year-old white spruce saplings were grown from seed obtained from a tree breeding seed bank at the Petawawa Forest Experiment Station, Chalk Arginine and the shade tolerance of white spruce saplings ... Size parameters and the responses of free amino acid N and guanidino compounds in the soluble N pool of stem and buds of four-year-old...

Ngày tải lên: 07/08/2014, 10:21

... stand composition) from each taxon used for the reforestation of the state of reclamation “A” and “B” Fig. 3. Fraxinus excelsior L. in the treatment with the application of CCB Fig. 4. Populus ... L. in the treatment with the application of CCB Fig. 5. Tilia cordata Mill. and Pinus nigra Arn. in the treatment with the application of CCB Fig. 6. Deform...

Ngày tải lên: 07/08/2014, 10:21

... ad- vantages of such. MATERIAL AND METHODS To obtain D. schmidtii larvae it is recommended to simply beat the bottom branches of the food- plant up to 3 m above ground level. The larvae of this ... possibilities. (C) Degree of isolation of the population present on the site in relation to the natural range of the species. (D) Global assessment of...

Ngày tải lên: 07/08/2014, 10:21

... spread in the Mediterranean basin. In Spain, few studies on the genetic variability of this species have been displayed. Storage seed proteins are a useful tool in the evaluation of the genetic ... 526–531 The aim of the present study was to evaluate cotyledon storage proteins as markers of the genetic diversity in sweet holm oak. MATERIAL AN...

Ngày tải lên: 07/08/2014, 10:22

... correlation between the aboveground parameters and the depth of root plates in spruce trees growing both in waterlogged and in well-drained sites. According to our results, it seems that the roots of ... 353 JOURNAL OF FOREST SCIENCE, 56, 2010 (8): 353–360 Relationships between the parameters of aboveground parts and the parameters of...

Ngày tải lên: 07/08/2014, 10:22

... Sciences, 2005 DOI: 10.1051/forest:2004085 Original article Sicily represents the Italian reservoir of chloroplast DNA diversity of Quercus ilex L. (Fagaceae) Silvia FINESCHI a *, Salvatore COZZOLINO b , ... occurs only in Sicily and particularly in the south-eastern part of the island, close to the Etna region. Haplotype 6 characterises the south-weste...

Ngày tải lên: 08/08/2014, 00:21

... 10.1051/forest:2006019 Original article Response to an ozone gradient of growth and enzymes implicated in tolerance to oxidative stress in Acer saccharum (Marsh.) seedlings Catherine G a,b * ,NadineC  c ,PaulW c , ... leading to a compromise be- tween maximizing aboveground growth and developing below ground growth to enhance t...

Ngày tải lên: 08/08/2014, 00:22

... late winter to early summer, and eat foliage, shoots and acorns of oaks in summer and autumn [20]. We have carried out two different studies in these rangelands to assess the effect of post-fire natural and ... Mediterranean oaks with contrasting leaf habit after a wildfire Josep Maria E * , Abdessamad H ,JavierR Centre de Recerca Ecològica i...

Ngày tải lên: 08/08/2014, 00:22

... analysis for tree FV1: (A) skeleton of the standing tree; (B) reconstruction of the tree shape and of the sampled discs; (C) disc measurements of tension wood; loca- tion of the pith (M), the disc ... occurrence of compres- sion wood. The objective of this paper is to present the method devel- oped in our laboratory to measure the geometry of...

Ngày tải lên: 08/08/2014, 01:21

... have reported the X-ray wood density measurement and the wood density profiles cal- culated by the mean of the cell wall proportion obtained by image analysis of the sections. The cell wall proportion ... et al. and (ii) the cell wall proportion on its area or on a section withdrawn from it. The apparent density of the cell wall is then...

Ngày tải lên: 08/08/2014, 01:22

... ultrapure water as eluant. 2.4.3. Amino-acid analysis Extraction was carried out at 4 °C. 40 μL of an internal standard (α-butyric acid) were added to samples ... of primary leaves), of the tap root (TR) and of the three longest lateral roots (LR; as an assessment of the length of the lat- eral roots) of each...

Ngày tải lên: 09/08/2014, 04:20

... is clear from the above results that sapwood area estimated on the basis of Original article Sapwood as the scaling parameter - defining according to xylem water content or ... Phloem water decreased to about 53 % vol . There was no change in the heart- wood water. Since no radial pattern of sap flow was measured in the experime...

Ngày tải lên: 09/08/2014, 04:20