Báo cáo lâm nghiệp: "Water relation characteristics and photosynthesis of saline-stressed seedlings of non-halophyte species" pot

... Water relation characteristics and photosynthesis of saline-stressed seedlings of non-halophyte species T. Suzaki H. Yahata H. Shigenaga Laboratory of Silviculture, Department of Forestry, ... ex- amine the distribution of salts and its effect on photosynthesis for non-halophyte woody species. In addition, the contribu- tion of sodium and...

Ngày tải lên: 09/08/2014, 04:20

... forests. The CFL and CBD of Aleppo pine stands were found pos- itively correlated with the stand basal area. As the size and/ or the stem density of the trees in a stand increases, the CFL and CBD also ... relationship between canopy fuel char- acteristics and stand structure parameters (Tab. IV). A strong positive correlation was found between CFL and stand basal area, and a w...

Ngày tải lên: 07/08/2014, 16:20

... demand for water evaporated from the leaves). References Bailey I.W. (1916) The structure of the bordered pits of conifers and its bearing upon the tension hypothesis of ... stea- dy-state model of water flow through a branched catena, so no account was taken of the water storage capacity of leaves and stems or of the temporal dyna- mics...

Ngày tải lên: 09/08/2014, 04:20

... extensive understanding of their short-term and long- term changes. The typical dynamic sequence of encroachment of abandoned grazing areas of the Karstic region [see above and 9, 10, 24] is ... hydraulic resistance of plants and their adaptation to the environment, in the present study we report daily and seasonal measurements of water relation parameters as well as of...

Ngày tải lên: 08/08/2014, 01:21

... HL2: 44–50%, LL1: 13.5–16% and LL2: 5–6% of full sunlight). Water relations of cork oak seedlings 379 of the water stress conditions was assured. Analysis of variance of water content in every ... coefficient, and considering the individual values of all seedlings. Linear regressions of osmotic potential at full turgor (Ψπ 100 , MPa) and at the turgor-loss point (Ψπ...

Ngày tải lên: 08/08/2014, 00:22

... only on the predawn and midday twig water potential and the midday sap flux. Seasonal course of xylem embolism and vulnerability to cavitation The degree of xylem embolism in ... Ψ soil , GL and Fto understand the changes in Ψ leaves and to assess the possible risk of catastrophic xylem cavita- tion. In the framework of t...

Ngày tải lên: 08/08/2014, 18:21

... Abrams MD, Schultz JC (1992) The impact of water and nutrient deficiencies on the growth, gas exchange and water relations of red oak and chest- nut oak. Tree Physiol 11, ... genus contains both deciduous and evergreen species adapted to a wide range of sites from seasonally flooded wet- lands to xeric uplands and deep sands. Given th...

Ngày tải lên: 08/08/2014, 18:21

... mycorrhizal colonization of Pinus echinata seedlings grown under CO 2 enrichment. Tree Physiol 3, 203-21 Overdieck D, Forstreuter M (1994) Evapotranspiration of beech stands and transpiration of ... Effects of CO 2 enrichment and water stress on growth of Liquidambar styraciflua and Pinus taeda seedlings. Can F Bot 62, 2135- 2139 Tolley LC, St...

Ngày tải lên: 08/08/2014, 18:21

... average, annual values of AET represent 54, 56, 65 and 74% of rainfall of S1, S2, S3 and S4, respectively, which means a mean of 567, 520, 536 and 460 mm of AET (respectively). The ... precipitation (Nizinsky and Saugier, 1988). Surface runoff The volume of water lost through surface runoff was also very low (< 0.5% of rainfall; figs...

Ngày tải lên: 08/08/2014, 18:21

... measuring the water potential of soil at a depth of 20 cm and root- stock at 10 cm, and a Scholander pressure chamber for shoots. The sensors were placed and sealed in small ... the water potential gradient of soil, rootstock and leaves during daytime, but reverse gradients of water potential of about 0.1 MPa were observed at night...

Ngày tải lên: 09/08/2014, 04:20