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

... thresholds. For the administration and supply of the assortment criteria for the grading routine, a database application thar-QDB (Tharandt Quality Data Base) was de- veloped as subject-matter of a diploma ... visualization and exem- plary monetary evaluation of grading alternatives for sample trees and thus can be employed for training to support an im- prov...

Ngày tải lên: 07/08/2014, 16:20

... 2pNIR+ 1– (2pNIR+1) 2 –8 (pNIR–pRED) MSAVI = – – – – – – – – – – – – – – – – (2) 2 Vegetation indices also allow compensation for changing light conditions, surface slope, exposition and other ... values indicate both the status and abundance of green vegetation cover and biomass, e.g. the Corrected Transformed Vegetation Index (CTVI):...

Ngày tải lên: 07/08/2014, 03:22

... area – approximately 1/6 of the area is drained). Š (1992) also reported fast discharge from large pores within the drainage-treated area. Subse- quently, an adjacent non-drained area ... describing rainfall-runoff ratios for both vegetation and dormant seasons and for hydrological years. The change of trend that was found in vegetation seasons in 1996 and 2002 h...

Ngày tải lên: 07/08/2014, 10:21

... correspondence analysis (DCA) of the set of 188 relevés from Mramor. Horizontal and vertical axes show the most significant directions of variability in the data set (non-canonical axes 1 and 2). e analysis ... Quecetalia pubes- centi-petraeae. Folia Geobotanica and Phytotaxonomica, 32: 22 1–2 58. CHYTRÝ M., 1998. Potential replacement vegetation: an approach to vegetati...

Ngày tải lên: 07/08/2014, 10:22

... correlation was found between CFL and stand basal area, and a weak positive correlation between CBD and stand basal area. The data for CBH and stand structure measure- ments failed to show any ... simulations indicated that crown fire transition and spread is a common feature in Aleppo pine stands. The low fuel strata gap, the heavy avail- able surface fuel load and the substanti...

Ngày tải lên: 07/08/2014, 16:20

... 33.2 Table IV . F-values and significance of analysis of variance and RGP values for each test according to the stocklot factor (CA, CL, FA, GE, HT and HU). Mean values and standard error . In the ... signed by the Universidad Politécnica of Valencia and the Valencia Regional Government (Generalitat Valenciana). REFERENCES [1] Alloza J .A. , An lisis de repoblaciones forestale...

Ngày tải lên: 07/08/2014, 16:21

... than the small rule space. Finally, the large/distributed rule space provided the best performance as well as the lowest average delay and delay variance. As indicated by Tab le 4 , each classifier ... in an office building, or whether there is an animal or a car in the video. The classifiers are SVM- based and can therefore dynamically set detection thresholds for the out...

Ngày tải lên: 21/06/2014, 19:20

... parameter “value of final cutting yield” elaborated and published by T et al. (2003) for the purposes of forest evaluation in Slo- vakia was used as a parameter for the quantification of ... is the most important feature, and in the practice of forest management based on even aged forests with regulated felling area, a preferred attribute of the target fore...

Ngày tải lên: 07/08/2014, 10:21

... to an assessment at national or sub-national (regional) scales, it cannot be used at local scale. An access to information at stand scale is neces- sary for forest management or as an aid to the ... estimate the daily value of the actual evapotranspiration. The estimates which have an accuracy on the order of ±1.5 mm are particularly valuable for describing spatial v...

Ngày tải lên: 07/08/2014, 16:20

Ngày tải lên: 07/08/2014, 03:22