Báo cáo lâm nghiệp: "Annals of Forest Science” takes a step further to enhance its impact!" doc

Ngày tải lên: 08/08/2014, 00:22

... regulates to a large extent quantity and character of the light penetrating into the heart Fig. 1. Natural, artificial and total regeneration in the Krkonoše National Park between 1980 and 2008 ... rowan(6%), Betula carpatica (3%) and sycamore maple (1%). Beech, Betula carpatica and sycamore maple were regenerated mainly artificially. Middle height of the upper storey is 22 m, st...

Ngày tải lên: 07/08/2014, 10:21

... are affected by decline and by yellowing of the assimilatory apparatus. Forest stands included in the analyses were aged 10–80 years and originated from both artificial and natural regeneration. ... Republic ABSTRACT: The paper summarizes results from the analyses of Norway spruce (Picea abies [L.] Karst.) stands man- aged by the Forest Administration in Horní Maršov, Krkonoše Natio...

Ngày tải lên: 07/08/2014, 10:21

... etc. Its variability is not as high as that of Prima 100 because it has a standard weight of 10 kg, reaction base plates of 132 and 300 mm in diameter and a standard falling weight height of ... instrument was calibrated according to the size of the reaction base plate. e diameter of the reaction base plate was 132 mm and the calibra- tion module of elasticity was...

Ngày tải lên: 07/08/2014, 10:21

... analyses. 2.5. Spatial analysis and cartography A carbon stock estimate was available at each sample point for the three components (soil, humus and vegetation). The point data were extrapolated to the ... likely to be integrated into future forest management plans and generalised in other contexts to evaluate carbon stocks at a regional scale. carbon stocks / forests / Fagus syl...

Ngày tải lên: 08/08/2014, 00:22

... Statistical a nalysis Quantitative compositions of volatiles were calculated from peak areas using dodecane as the internal standard. The identification of the chemical constituents of each sample ... plant- finding behaviour of the Hessian fly, Physiol. Entomol. 18 (1993) 31–42. [11] Ikeda T., Enda N., Yamade A. , Oda K., Toyoda T., Attractants for the Japanese pine sawyer, Monochamu...

Ngày tải lên: 07/08/2014, 16:20

... GARC A ESTEBAN a *, Joseph GRIL b , Paloma DE PALACIOS DE PALACIOS a , Antonio GUINDEO CASASÚS a a Cátedra de Tecnolog a de la Madera, Departamento de Ingenier a Forestal, Escuela Técnica ... (Ce). From a total of ten trunks of each species, with an average length of 2.25 m, and an average diameter from 0.35 m to 0.65 m, ten slices of 50 mm thick were obtained from eac...

Ngày tải lên: 08/08/2014, 00:21

... treatment are shown in table I. The effect of the experimental treatments and the possible interaction between factors were analysed by a two–way analysis of variance for each treatment combination and ... Growth, allocation and water relations of shade-grown Quercus rubra L. samplings exposed to a late- season canopy gap, Ann. Bot. 80 (1997) 335–344. [24] Oakwood M., Jurado E., L...

Ngày tải lên: 08/08/2014, 01:21

... Information) [2]. Sequences of RFLP-taxa are available in the EMBL database. The relative abun- dance of ITS RFLP-taxa was calculated by dividing the number of ECM of each ITS RFLP-taxon by the total ... vulgaris and Rosmarinus officinalis) and herbaceous plants (Lavandula latifolia, Sanguisorba minor, Argyrolobium zanonii, Bituminaria bituminosa, Aphyllanthes monspeliensis, Barli...

Ngày tải lên: 08/08/2014, 01:22

... theoreti- cally calculated data or by the replacement of actual data with a mathematic function. In most cases, the adjustment is made by means of a linear function, and by means of an exponential, ... is to express the course of the vari- able (indicator) and the basic procedure to detect a trend is an analytical adjustment of time series, i.e. a substitution of...

Ngày tải lên: 07/08/2014, 03:22