Báo cáo lâm nghiệp:"Post-grazing Scots pine colonization of mid-elevation heathlands: population structure, impact on vegetation composition and diversity" pdf
Báo cáo lâm nghiệp:"Post-grazing Scots pine colonization of mid-elevation heathlands: population structure, impact on vegetation composition and diversity" pdf
... 10.1051/forest:2003065 Original article Post-grazing Scots pine colonization of mid-elevation heathlands: population structure, impact on vegetation composition and diversity Thomas CURT a *, Bernard PRÉVOSTO a , ... heathlands and grasslands, pure pine stands, mixed (i.e. pine- beech) stands, and pure beech stands. Forest colonization and heathland veget...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps
... both on the cumulated value of the target variable beyond a certain stage or segment and the conditional (and concomitantly, on the unconditional) selection prob- ability of the segments of ... 2001). During this period, there have been only smaller conceptional contributions, such as the introduction of the terms conditional and uncondi- tional probabilities (V...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic)" pot
... Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902. Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape ... e population dynam- ics of bank voles. Symposia of the Zoological Society of London, 55: 277–313. ANDRZEJEWSKI R., 1975. Supplementary food and the winter dynamics of bank...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Contribution to the knowledge of Apodemus sylvaticus populations in forests of the managed landscape of southern Moravia (Czech Republic)" potx
... population abundance is based on the combination of functional and numerical response of all occurring species of predators (K 1985). Nevertheless, under con- ditions with the diverse and stable ... the population created there three peaks in the course of monitored years depending on the crop of small-seed species in 2001 and of acorns in 2003 and 2006. e...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Stable Agrobacterium-mediated transformation of Norway spruce embryogenic tissues using somatic embryo explants" ppt
... density of OD 600 nm 0.9 and a sterile solution of ace- tosyringone was added to a final concentration of 50mM. e somatic embryos were cultivated in this solution for 45 min at 23°C on a shaker ... in some conifers (S et al. 1989). e long reproductive cycles of conifers, however, render conventional breeding techniques highly time consuming, and some desirable...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Changes in the abundance of Melolontha hippocastani" ppsx
... abun- dance of populations of cockchafers of the genus Melolontha caught in light traps and we discov- ered that in general the population densities of the strong M. hippocastani Fabr. and M. melolontha ... period of absolute culmination of Fig. 4. Course of daily temperatures and flight activity of Melolontha hippocastani Fabr., Vracov 2007 Fig. 3. Swarming of mal...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Seasonal fluctuation in germination of short and longterm stored Norway spruce" ppsx
... 0.20. DISCUSSION Our findings correspond very well with the knowl- edge and opinions of most authors cited in the in- troduction. e correspondence is not only in the confirmation of the existence of seasonal ... solutions are presented in Section Discussion. Promising is the utilisation of relative seasonal indexes (formula 2), which enable simple conversion of germination indi...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Findings from the application of coal combustion by-products (CCB) for forest reclamation on spoil banks of the North Bohemian Brown Coal Basin" pdf
... result of CCB application were observed in the content of organic matters and total nitrogen, degree of base cation saturation, content of phospho- rus and potassium. On the contrary, cation exchange ... each assessed state of reclamation (“A”, “B”). To determine the characteristics of soil reaction and carbonate content the number of collections and analyses in th...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "How to identify larvae of the protected species: Dioszeghyana schmidtii (Diószeghy 1935), and survey its presence and abundance (Lepidoptera: Noctuidae; Hadeninae)" pot
... species of EU interest, whose conservation requires the designation of special conservation areas) and in ANNEX IV (animal and plant species of EU interest in need of strict protection) of the ... restoration 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 the...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "SHORT COMMUNICATION The use of cotyledon proteins to assess the genetic diversity in sweet holm oak" potx
... distribution among all them. Considering all evaluated populations, about 35.8% of the total allelic variation was distributed among populations. is method of analysis of cotyledon storage ... polymorphic bands in all the trees evaluated. On the other hand, the understanding of the genetic diversity presents in a species and the distribution of this variation among popula...
Ngày tải lên: 07/08/2014, 10:22