Báo cáo lâm nghiệp: "Components of woody-tissue respiration in Abies amabilis" docx

... points. For the accuracy determination of stereo interpretation the coordinates of well identified points (features) on the aerial image and terrain were used. e co- ordinates of these points ... them to use in many forestry disciplines (mostly for determination of the health conditions of forests stands, ), in combination with the remote sensing of the Earth and GIS (Geog...

Ngày tải lên: 07/08/2014, 03:22

... iodine starch staining of intact leaves showed that bundlesheath cells stored a large amount of starch which was not taken into account in our analysis. Conclusions In photosynthetic ... gas-liquid chromatography (Moing et al., 1988). Starch was assayed enzymatically (Boehringer, Mannheim). In situ starch was located by iodine staining in intact...

Ngày tải lên: 09/08/2014, 04:20

... Components of woody-tissue respiration in Abies amabilis D.G. Sprugel College of Forest Resources, AR-10, University of Washington, Seattle, WA 98195, U.S.A. Introduction Although respiration ... grow- ing season represent maintenance respiration rates. Growth respiration for growing season measurements is then estimated by subtracting maintenance...

Ngày tải lên: 09/08/2014, 04:20

... determined in 1982 (Fig. 2). Afterwards volume de- creases within the next 260 ± 36 years to a minimum of 310 ± 61.5 m 3 /ha and in the further development all plots show three waves in the ... area increment model for individual trees growing in even- and uneven- aged forest stands in Austria. Forest Ecology and Manage- ment, 80: 57–80. MONSERUD R.A., STERBA H., 1999. Modellin...

Ngày tải lên: 07/08/2014, 03:22

... S.K., 1968. A revised survey of forest types of India. Delhi, Delhi Manager of Publica- tion. CHATURVEDI O.P., SINGH J.S., 1987. e structure and function of pine forest in central Himalaya. II. ... there is a lack of knowledge con- cerning the quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Rajast...

Ngày tải lên: 07/08/2014, 03:22

... within deter- mined transport areas according to RPFD, calcula- tion of opening-up indicators according to Beneš; – comparing numbers of present opening-up in - dicators with indicators of optimal ... composed of forest map grid, level of forest road, level of cho- sen transport areas from RPFD and level of points of concentrated fellings. e network of points of concen...

Ngày tải lên: 07/08/2014, 04:20

... 'I-214' was also included in this group. Mean dbh of the top fi ve clones varied in the range of 16.50–19.86 cm, mean tree height was in the range of 13.87–15.29 m, mean annual increment 2.30–2.65 ... clones in the area of Laborec in conditions of the Eastern Slovakia. Zprávy lesnického výzkumu, 44: 14–18. (in Slovak) K Š. (2008): In uence of ground...

Ngày tải lên: 07/08/2014, 10:21

... after the thinning similarly like in previous years. Positive ef- fects of the high-type thinning in 2001 were reflected in the 17%increase of LAI in 2002. e realized thin- ning exhibited ... 1997). Positive effects of thinning in 2001 were reflected in the 17%increase of LAI in 2002. Reaching or exceeding of the critical LAI value was responsible for a decrease...

Ngày tải lên: 07/08/2014, 10:21

... radius of a circle to the beginning of late wood, P – earlywood area in annual ring. Total area of early wood rings within the sapwood zone constitutes the conducting area – CA. Mean area of early ... except for co-dominant trees from Fig. 1. A comparison of size of conducting area (CA) in ageA comparison of size of conducting area (CA) in age classes and forest site...

Ngày tải lên: 07/08/2014, 10:21

... analysis indicate unfavourable changes of their ratios which document disturbances in mineral economy in spruce growing in the area in question. In the case of the ratios S:Ca and S:Mg in one-year-old ... impact of industrial air pollution. It is visible in very small amounts of alkaline cations in the sorptive com- plex of soils, which in turn is reflected in...

Ngày tải lên: 07/08/2014, 10:21