Báo cáo lâm nghiệp: "A method for multiple intra-ring demarcation of coniferous trees" ppt

... with/without adjustment. 9 Ann. For. Sci. 63 (2006) 9–14 © INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2005093 Original article A method for multiple intra-ring demarcation of coniferous trees Young-In ... http://www.edpsciences.org/forest or http://dx.doi.org/10.1051/forest:2005093 A method for multiple intra-ring demarcation 13 with increasing intra-ring position...

Ngày tải lên: 08/08/2014, 00:22

... 0.426 for Df, 0.385 for Mp and 0.362 for Sp. The whole-ring values of standard deviation were in magnitude order of 0.201 for Df, 0.138 for Ns and 0.106 for Mp, giving coefficients of variation of ... on intra-ring wood density profiles from X-ray densitometry, Ann. For. Sci. 59 (2002) 511–518. [11] Larson P.R., Wood formation and the concept of wood quality, Yale Uni...

Ngày tải lên: 08/08/2014, 00:21

... information system Data transformation Development of data transformation algorithms Information presentation and distribution Development of interfaces for data querying, exporting and information ... Development of information system logical and conceptual model Information system development Development and implementation of the information system physical model. Development o...

Ngày tải lên: 08/08/2014, 01:22

... senses of one word PROCEDURE: STEP 1. Form a similarity list ]or each sense of one of the words. Pick one of the words, say W2, and using WordNet, form a similarity list for each sense of that ... (W~ NEAR W~(k'))) for all 1 < i < m. Using one of these queries, we get the number of hits for each sense i of W2 and this provides a ranking of the m senses...

Ngày tải lên: 08/03/2014, 06:20

... interval) number of nodes (A) and dieback fraction (number of dead nodes expressed as a pro- portion of the total number of nodes; (B) of the first-year and second- year shoots of group I (white ... number of nodes, (3) the ratio [number of dead distal nodes] / [total number of nodes], henceforth termed dieback frac- tion (DF), (4) the ratio [second-shoot position] / [(total...

Ngày tải lên: 07/08/2014, 16:21

... means of providing a non-destructive estimate of the 3D profile for a large number of trees in the forest. High resolution digital pho- tographs are able to give fine details of the stem of trees, ... measurements (up to 4 h for one 2-m-long log) in addition to the field work. Furthermore, it is a destructive method and therefore is not suitable for forest inventories. While th...

Ngày tải lên: 07/08/2014, 16:21

... describes methods for relating (thread- ing) multiple newspaper articles, and for visualizing various characteristics of them by using a directed graph. A set of articles is represented by a set of ... lem of information overloading, but the articles they provide do not have links, or else must be manually linked at a high cost in terms of time and effort. This paper de...

Ngày tải lên: 08/03/2014, 06:20

Ngày tải lên: 07/08/2014, 16:20

... natural mortality of trees in the event of excessive stock growth, predicts the maximum number of living stems [21]. A curve of the quadratic mean stand diameters for maximum number of trees per hectare ... between 0 and 1, the degree of credibility measures the validity of the assertion “scenario s i out- classes scenario s k ”. A degree of credibility is calculated for e...

Ngày tải lên: 07/08/2014, 16:21

... Applications to mixed tropical forests, CAB International, Wallingford, UK, 1994. [99] Vanclay J.K., Growth models for tropical forests: a synthesis of models and methods, For. Sci. 41 (1995) 7−42. [100] ... evaluation of the model The growth model described above is comprehensive be- cause it addresses all forest variables commonly incorporated in quantitative descriptions of forest...

Ngày tải lên: 07/08/2014, 16:21