Báo cáo lâm nghiệp: "Carbon pool and substitution effects of an increased use of wood in buildings in Switzerland: first estimates" pdf

... GHG- related effects of an increased use of wood within technosphere. One important effect of an increased use of wood was neglected: the decline of the carbon storage in the forests because of an increased ... article Carbon pool and substitution effects of an increased use of wood in buildings in Switzerland: first estimates...

Ngày tải lên: 08/08/2014, 00:22

... always significant. The –10 °C index of injury fell to 10% or less for the first time after 9 weeks of hardening for SD and OD trees and after 10 and 12 weeks for NDWF and NDW seedlings, respectively ... 10 and 12, transpiration was lowest in OD seedlings (ANOVA P-values of 0.003 and Tabl e I. Seedling morphological attributes (and their standard errors) measured after...

Ngày tải lên: 08/08/2014, 01:21

... liberated mono- terpenes can induce further changes in membrane structure which can influence the membrane-bound electron transport. The inhibition of respiration and photosyn- thesis ... 2 Silviculture, University of Freiburg i.Br., F.R.G., and 3 Institute of Plant Physiology University of Geneva (CH), Switzerland Introduction In earlier publica...

Ngày tải lên: 09/08/2014, 04:20

... by origin, and the transfers of carbon in litter and soil between forests and other land uses in Finland’s forests between 1922 and 2004. Figure 6. Annual changes in the carbon stock of litter and ... these Carbon sink of Finland’s forests 691 Figure 4. Carbon stock of litter and soil and its annual changes in Finland’s forests between 1922 and 2004. The black...

Ngày tải lên: 07/08/2014, 16:20

... by hand only partially, and then, remaining leaves had to be collected in a net enclosing the crown as and when they were naturally falling until the end of leaf fall (DOY 306 and 296 in 1994 and ... volumes of the branches in 1995 and 1994. 2.5.2. Secondary branches The biomass increments of secondary branches was obtained from masses and cross sectional area increme...

Ngày tải lên: 08/08/2014, 01:22

... was steeper than that in RSA N resulting in a significant decrease in the ratio of the two. 3.4. Seasonal changes in content and partitioning of winter C and N in plants Winter C and N represent ... Remobilisation of stored C and N in cork oak 727 Figure 1. Total (open bars) and winter (closed bars) carbon in first and second year leaves, branches, stem, c...

Ngày tải lên: 08/08/2014, 01:22

... and belowground part, and further in leaves, branches and stems and fine and coarse roots respectively. Stand age and site characteristics seem to play an important role in the distribution of ... oak-beech stand and 321.4 tons Cha –1 in the ash stand. In the oak-beech stand 41.5% of the total C was found in the soilorganicmatter,11%inthelitterlayerand47.5% in...

Ngày tải lên: 09/08/2014, 04:20

... and glutamine; the amino acids, glutamate, aspartate, arginine and proline; and the ureides, allantoin, allantoic acid and citrul- line, are common and major transport compounds ... proteins. These pro- teins are rich in arginine and other basic amino acids (Kang and Titus, 1980), accu- mulate in the fall, disappear in the spring and are...

Ngày tải lên: 09/08/2014, 04:20

... rates of LP-M plants with HP-N and HP-M plants, without a concomitant increase in dry matter, may suggest a substantial respiration cost of the mycorrhizas. Mycorrhizal inoculation ... of seedlings grown with the high phosphorus fertilizer regime caused: 1 ) only a small increase in phosphorus content and concentration within the plant; 2) no...

Ngày tải lên: 09/08/2014, 04:20

... trees. H and V (2002) ob- served the peak of its activity in spruce forests of Paskovský les and Loucký les at the end of May in 1998. e delay of its flight activity in highlands, compared ... non-powered and continuously operating tent-like trap. Its height is 2 m and collecting surface is approximately 6 m 2 . Collecting sheets are black and a coveri...

Ngày tải lên: 07/08/2014, 03:22