Báo cáo lâm nghiệp: "How does legacy of agriculture play role in formation of afforested soil properties" ppsx

... of Wooded Agricultural Lands Soil Conditions Towards a Restoration of Forest Soil Conditions. How does legacy of agriculture play role in formation of afforested soil properties? D. K, ... important soil- forming and even soil- creating factor of soil genesis being likely the oldest human-induced alteration of soil proper- ties. Even rather extensi...

Ngày tải lên: 07/08/2014, 10:21

... D 1 1 Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, P.R. China 2 Graduate University of Chinese Academy of Sciences, Beijing, P.R. China ABSTRACT: Changbai Mountain Natural ... deter- mine the effect of soil moisture on mineralization of topsoil C and N. Secondly, we estimated poten- tial mineralizable C in the surface layer of soils with different mo...

Ngày tải lên: 07/08/2014, 10:21

... line present above lateral line, line enlarged on abdominal segment 8, often the left and right line almost merge in the centre of dorsum. Abdominal segment 8 is often a little domed at dorsum. ... on sides of head larvae of Tenthredinidae. 2 (1) Larva with 5 pairs of fully-developed abdomi- nal legs, each with longitudinal row of hooks. Dorsally with only individual, often...

Ngày tải lên: 07/08/2014, 10:21

... extended storage of Norway spruce seeds at 4 °C causes, as its duration is extended, an increase in the number of chromosome aberra- tions and abnormal cell divisions in the tissues of roots of ger- minating ... presumably assuring preser- vation of seed viability over much longer periods. An important aim was also to gain information about the growth of seedlings after storag...

Ngày tải lên: 08/08/2014, 00:21

... coordinates of three non- aligned points of the rigid body. That was the basis of the method: by acquiring the coordinates of three non-aligned points on each object in two different coordinate ... constitute a tree falls into the domain of plant architecture. Godin [8] reviewed in detail the different methods for representing and coding this type of information. Most of the...

Ngày tải lên: 08/08/2014, 01:21

... adaptation of the size of the apex, casu quo of the vascular sys- tem. The increase in size of the apex of plants, growing in optimal root environ- ment, proceeds linearly ... as judged by the development of individual leaves and internodes in the linear phase of of nitrate could not sustain a high RGR 50 in growing leaves. Dry ma...

Ngày tải lên: 09/08/2014, 04:20

... according to the foresters. However, this opinion concerning the significance of the individual species is in contradic- tion with the information the foresters provided on the distribution of ... and the incompleteness of knowledge of their ecology and feeding behaviour have lead us to initiation of an extensive research focused on monitoring the population dynamics of rod...

Ngày tải lên: 07/08/2014, 03:22

... significant increase in radial increment of Norway spruce in Austria in the period of 1961 to 1990, during which the length of growing season increased by 11 days associated with the increase in mean ... limitations of index applicability in forest management, especially in projecting the target tree species composition of future forests, on the basis of results o...

Ngày tải lên: 07/08/2014, 10:21

... in the number of species and individuals in seasonal guilds: (a) comparison of species in 1993; (b) comparison of species in 1994; (c) comparison of individuals in 1993; and (d) comparison of ... foliage (usually the end of May up to the end of June and the beginning of July); summer feeders (SF) – feed- ing on mature leaves at the beginning of July to the begin...

Ngày tải lên: 07/08/2014, 10:22

... respec- tively. Drought conditioning in Eucalyptus seedlings 949 Nullo Mountain and Wee Jasper irrespective of their previ- ous adjustments in morphology displayed a sharper decline in g s and RWC, showing a more ... may facilitate the maintenance of cell integrity during the rehydra- tion occurring after the drought ends. In contrast to SS plants, CS plants experienced an increas...

Ngày tải lên: 07/08/2014, 16:20