Báo cáo lâm nghiệp: "Amounts of throughfall and lysimetric water in a sub-mountain beech forest in the Kremnické vrchy Mts" ppt

... by the Scientific Grant Agency of the Ministry of Education of Slovakia and Slovak Academy of Sciences VEGA, Project No. 2/0045/08. Amounts of throughfall and lysimetric water in a sub-mountain ... 207–211 Water as a substantial component of the living environment is a limiting factor for plants, animals and humans themselves. e amount of (surface...

Ngày tải lên: 07/08/2014, 03:22

... Poland. Supported by the Ministry of Agriculture of the Czech Republic, Project No. 0002070201. Occurrence of Ips duplicatus (Coleoptera: Curculionidae, Scolytinae) on pines (Pinus sp.) in the ... in the eastern part of the Czech Republic and in southern Poland, where the population density of Ips duplicatus has been increase...

Ngày tải lên: 07/08/2014, 03:22

... to examine the effect of the most important climatic factors (tem- perature and precipitation) on the radial increment of selected spruce stands in the Orlické hory Mts. MATERIAL AND METHODS Research ... Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l....

Ngày tải lên: 07/08/2014, 03:22

... weeks and live plants were found even after 14 weeks (R, B 2002). Under the aforementioned conditions Germination of acorns and development of oak seedlings (Quercus robur L.) following ... flooded areas of North American ripa- rian forests (upland oaks) have a higher sensitivity to flood than the oak species of the actual floodplains (bottomland oak...

Ngày tải lên: 07/08/2014, 03:22

... 123–130 123 JOURNAL OF FOREST SCIENCE, 57, 2011 (3): 123–130 Density of juvenile and mature wood of selected coniferous species V. G, H. V, K. H Faculty of Forestry and Wood Technology, ... objective of research was to determine the density of juvenile (JW) and mature wood (MW) of selected coniferous species growing in the Czech Republic....

Ngày tải lên: 07/08/2014, 10:21

... of young spruces with known growth rate in a nursery and after outplanting are carried out in the framework of the grant project “Conservation of the stability and biodiversity of Norway spruce ... practice). Height and diameter growth and health status of outplantings are evaluated regularly on this research plot. A more detailed evaluation of phen...

Ngày tải lên: 07/08/2014, 10:21

... outplanting (G 1982; M 1982; A 1983; D, O-  1990; W 1990). Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea ... evaluated the growth of different types of planting material in the first years after outplanting to a mountain locality. MATERIAL AND METHODS Plantable...

Ngày tải lên: 07/08/2014, 10:22

... CONCLUSIONS In this examination of competition indices for predicting diameter growth in mixed- species forests, we found that the flexible, distance-dependent crowding index was superior to other indices, but ... based indices [6, 7, 27] is also costly to ob- tain in a forest inventory. The similarity amongst the fit of Competition indices in boreal mixed fo...

Ngày tải lên: 07/08/2014, 16:21

... I. Radius and Growth Strains (ì10 6 ) mean value of tension wood and opposite wood zone from the ten studied trees. Radius Radius GS mean GS mean Family Genus species author of TW of OW value ... to poplar trees, Ann. For. Sci. 60 (2003) 371–378. [17] Coutand C., Jeronimidis G., Chanson B., Loup C., Comparison of mechanical properties of tension and oppos...

Ngày tải lên: 07/08/2014, 16:21

... spp. and Brachipodium pinnatum. The effects of light level and competition on growth and on crown and shoot morphological parameters were assessed for 76 saplings (48 Norway spruce and 28 silver ... traits [13], and possibly in allocation pat- terns, but not to morphological ones. 4. CONCLUSIONS Results of the present study confirm the importance of...

Ngày tải lên: 08/08/2014, 00:21

... leaves of both clones. For the two clones, use of inhibitors allowed identification of one Fe-SOD, one Mn-SOD and two Cu/Zn-SOD (Fig. 2A). In control condi- tions, main isoforms were Fe-SOD and ... limited participation of this class of molecules during drought [10]. The objective of the present investigation was to focus on the res- ponse of some of the leaf en...

Ngày tải lên: 08/08/2014, 00:22

... 10.1051/forest:2003026 Original article Lack of allozyme and ISSR variation in the Rare endemic tree species, Berchemia berchemiaefolia (Rhamnaceae) in Korea Seok-Woo LEE*, Yong-Mo KIM and Won-Woo KIM Korea ... a minimum distance of 20 m in order to decrease the risk of relatedness. However, within a couple of stands, some trees were sampled in cl...

Ngày tải lên: 08/08/2014, 01:21

... 10.1051/forest:2003076 Original article Release of oxalate and protons by ectomycorrhizal fungi in response to P-deficiency and calcium carbonate in nutrient solution Jean-Claude ARVIEU, Franck LEPRINCE, Claude ... The objective of this work was therefore to quantify the release of oxalate and/ or protons by six ectomycorrhizal iso- lates be...

Ngày tải lên: 08/08/2014, 01:21

... article Roles of European and Japanese larch in the genetic control of growth, architecture and wood quality traits in interspecific hybrids (Larix ì eurolepis Henry) Luc E. PQUES* INRA, Unitộ ... – The respective roles of European and Japanese larch species in the genetic control of traits in interspecific hybrids are...

Ngày tải lên: 08/08/2014, 01:22

... mineral content and leaf area (LA) determinations. Environmental conditions (inci- dent radiation [PAR], air and leaf temperature, vapor pressure deficit) during sampling and mesurements ... differences in nutri- ent (N,C,P,K and Ca) and soluble carbohydrate concentrations in leaves of resprouts originated after fire or after tree-fell indica...

Ngày tải lên: 08/08/2014, 18:21