Báo cáo lâm nghiệp: "Forest visitors’ opinions on the import

Báo cáo lâm nghiệp: "Forest visitors’ opinions on the importance of forest operations, forest functions and sources of their financing" docx

... 266–270 Forest visitors’ opinions on the importance of forest operations, forest functions and sources of their ﬁnancing L. Š Faculty of Forestry and Wood Sciences, Czech University of Life ... opinions on forest functions, on the importance of forest operations and on sources of ﬁnancing forest functions. e questions in th...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Short Communication Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China" ppsx

... between the two. For the logged forest, the values of both stem density and basal area of large trees were signiﬁcantly lower than those for the primary forest, while the numbers of seedlings and ... the structure and composition of a primary forest two decades after harvesting. MATERIAL AND METHODS e study was conducted on the northwest-facing slope o...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Red deer density in the air-polluted area of forest ecosystems in the Krušné hory" pdf

... period. Nevertheless, the problem can consist in the proper determination of the time of faecal pellet decomposition, which can fundamentally aﬀ ect the ﬁ nal result. By reason of the very variable ... How- ever, the knowledge of a defecation rate and a period of the faecal pellet persistence in the environ- ment is necessary for the estimate (M 1999)....

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Carbon accumulation in Finland’s forests 1922–2004 – an estimate obtained by combination of forest inventory data with modelling of biomass, litter and soil" potx

... to the soil and litter of the forests, whereas conversion of forest to some other land type removed carbon. We did not know the carbon contents of aﬀorested or deforested land and therefore assumed ... conditions promoted not only the growth of biomass and thus the carbon uptake in the forests but also the decomposition of soil organic matter and litter an...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Nursery fertilisation aﬀects the frost-tolerance and plant quality of Eucalyptus globulus Labill. cuttings" ppsx

... alterations in the availability and status of water (dehydration), changes in the spatial organiza- tion of biological membranes, and a retardation of biochemi- cal and chemical reactions [27]. ... maintains the levels of leaf nitrogen concentration well above 1.25% will improve their rooting, survival and growth responses in the ﬁeld, at least for the ﬁrst season...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo hóa học: " Some new identities on the twisted carlitz’s q-bernoulli numbers and q-bernstein polynomials" ppt

... ℤ p , Q p and C p will d enote the ring of p-adic integers, the field of p -adic rational numbers and the completion of alge- braic closure of Q p , respectively. Let N be the set of natural numbers, and ... q-zeta functions and q-Euler polynomials. J Physics A: Math Theor 43, 11 (2010). 255201 12. Kurt, V: further symmetric relation on the analogue of the...

Ngày tải lên : 20/06/2014, 22:20

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Báo cáo hóa học: " Statistical resolution limit for the multidimensional harmonic retrieval model: hypothesis test and Cramér-Rao Bound approaches" docx

... extension of the SRL based on the Smith criterion [11]. First, we recall that the Smith criterion defines the SRL in the case of P =1only.Then,we extend this criterion to P ≥ 1 (i.e., the case of the ... distribution of the number of sensors on each array. The more general case, i.e., where the optimization problem considers the non linear ity of the mu...

Ngày tải lên : 21/06/2014, 03:20

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Báo cáo lâm nghiệp: "Production potential and ecological stability of mixed forest stands in uplands – VI. A beech/larch stand on a mesotrophic site of the Křtiny Training Forest Enterprise" pot

... groups of the whole Europe, it is known as the “Adamov population of larch” (according to one of the municipalities of the region). Supported by the Ministry of Education, Youth and Sports of the ... with the results of studies carried out on these plots in the past. On the basis of the evaluation described above the importance and the sh...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Comparison of the impact of blue spruce and reed Calamagrostis villosa on forest soil chemical properties" pot

... to mitigate the acidiﬁcation of soil solution and the leaching of basic cations of Ca and Mg from soil. is study aims to compare impact of 20 year last- ing cover of blue spruce, and clear-cut ... differences in nutrient contents with the exception of phosphorus in Ah horizon. ere was signiﬁcantly more phosphorus in Ah of PP soil. With the exception of m...

Ngày tải lên : 07/08/2014, 03:22

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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

... 2004). RESULTS AND DISCUSSION Krušné hory Mts. – regeneration Fig. 1 illustrates the distribution of regeneration on inventory plots in the territory concerned. Regeneration on only one subplot ... for the National Forest Inventory. Of the plots realizing regeneration according to National Forest Inventory only 38.2% comply with the deﬁnition of operationally us...

Ngày tải lên : 07/08/2014, 03:22

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