Báo cáo lâm nghiệp: "Assessment of the effects of below-zero temperatures on photosynthesis and chlorophyll a fluorescence in leaf discs of Eucalyptus globulu" pps
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
... of paths of each tree (eq. [1]) and the true totals and variances of the target variables and the estimates of the totals, respectively. Choice of the auxiliary variable and variance of the ... deletion of larger segments e stratification of the crown means a formation of at least two strata the size and variability of which are important for...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Assessment of the assortment potential of the growing stock – a photogrammetry based approach for an automatized grading of sample trees" potx
... combinations. The merged results of sorting and sizing are hosted in thar-QDB for subsequent monetary eval- uation and optimization (“best alternative”) and can be actual- ized in case of changing ... reasonable application of the approach. Conse- quently, practical application might be limited on demonstra- tion purposes. The approach supports visualization and exem...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest" ppt
... precipitation rates, these machines are likely to remain the most common type of skid- ding machine used. In mountainous and steep areas, the terrain slope is an important factor that a ects operational ... ef- ficiency, costs and erosion. It may also a ect the soil compaction, so in planning forest operations and aligning skid trails the terrain slope may be an im- p...
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
... a difficult factor to consider in relation to the mammalian population regulation without taking into account its interactions with the behaviour and abundance of the prey popu- lation. As the ... prolonged into the beginning of Novem- ber in our study only in one case in RB locality. e sex ratio was balanced in our case in HL and RB. It is characteristic fe...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Assessment of some forest characteristics employing ikonos satellite data" docx
... (classification without texture utilization) are also summarized in Table 6. e meaning of clas- sification omission and commission in class cembra pine is evident again. KHAT statistics indicate ... with the aid of training sets are a good and acceptable basis for the construction of spectral models for growing stock estimation. In spite of the fact that the sta...
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
... m 2 and the average amount of mast was deter- mined. e plots were selected randomly in the oak stand and the number of acorns was determined on each of the plots. e acorns were then hulled and ... 370–376 responded by an increase in relative abundance in the next years 2004 and 2007. e peak of the popu- lation abundance was reached at the HA localit...
Ngày tải lên: 07/08/2014, 03:22
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
... and total nitrogen, degree of base cation saturation, content of phospho- rus and potassium. On the contrary, cation exchange capacity and magnesium content decreased as a re- sult of CCB application. ... basis of collections and analyses of leaf (needle) samples of different tree species taxa from the assessed state of reclamation A and “B”. e methodical...
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
... KUBISIAK T.L., 1998. Allozyme and RAPD analysis of the genetic diversity and geographic variation in wild populations of the American chestnut Castanea dentata (Fagaceae). American Journal of ... evaluated. On the other hand, the understanding of the genetic diversity presents in a species and the distribution of this variation among populations is impor...
Ngày tải lên: 07/08/2014, 10:22
Báo cáo lâm nghiệp: "Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainage" docx
... Bratislava, Slovakia 2 Slovak Organization for Research and Development Activities, Bratislava, Slovakia ABSTRACT: The aboveground parameters and the parameters of root plates in uprooted Norway ... relationships between the aboveground and belowground parameters were analyzed sta- tistically, using linear correlation and regression analysis. STATISTICA 7.0 (StatSoft) was u...
Ngày tải lên: 07/08/2014, 10:22
Báo cáo lâm nghiệp: " Sicily represents the Italian reservoir of chloroplast DNA diversity of Quercus ilex L. (Fagaceae)" pptx
... major haplo- type. Additional haplotypes were rarely detected in continental Italy and in the islands of Corsica and Sicily, and no Balkan haplotype was detected along the Italian Adriatic coast. ... by only one individual). Name of locations, geographic co-ordinates, and number of individuals per population are indicated in Table I. In addition, one Q. ilex populati...
Ngày tải lên: 08/08/2014, 00:21