... Mathematics, 122 (20 02) , p 127 -137 [22 ] K Fraughnaugh Jones, Maximum bipartite subgraphs and independence, Congressus Numerantium, 48(1985), p 21 9 -22 4 [23 ] T Fujie, An exact algorithm for the maximum ... many leaves, SIAM J Disc Math., 13 (20 00), p 20 2 -21 1 [5] F Chung, The average distance is not more than the independence number, J Graph Theory, 12( 1988), p 22 9 -23 5 [6] P Dankelmann, Average distance ... By 2) the last term is non-negative, hence 2W (G ) − 2W (G) 2 u∈A v∈B [ σG (u, v) − σG (u, v) ] + u∈A v∈A [ σG (u, v) − σG (u, v) ] By 1) the second term is non-positive, hence 2W (G ) − 2W...
... specifically designed for plant material 2. 3 DNA analysis DNA concentration was given by absorbance reading 26 0 nm and 28 0 nm in a UV spectrophotometer Purity was estimated by the OD260/OD280 ratio DNA ... initial denaturation at 94 °C was followed by 35 cycles (50 °C for1 min, 72 °C for 30 s, 92 °C for min) terminated by an final extension at 72 °C PCR products were checked on a % agarose gel in 1xTBE ... analysis, in: Douglas G.C, Lefort F (Eds.), Strategies for Improvement of Forest Species Proceedings of the Teagasc / TCD Symposium Genetics, COFORD, Dublin, 1998, in press On Forest [11] Stewart N.,...
... number of a tree shade type sun type adaptive type isolated tree (without competition) 390 1.334 1.349 in competition with a – shade type – sun type – adaptive type 360 29 9 29 6 1.306 1.009 986 1.360 ... different light regimes, Trees 12 (1998) 24 7 -25 7 [22 ] Givnish T.J., Adaptation to sun and shade: a whole plant perspective, Austr J Plant Phys 15 (1988) 63- 92 [23 ] Hegi G., Illustrierte Flora ... light microclimate, INRA, Paris, 1993, pp 27 1 -27 8 [11] Deleuze C., Hollinger F., A transport model for tree ring width, Silva Fenn (1997) 23 9 -25 0 [ 12] Ellenberg H., Vegetation Mitteleuropas mit...
... after correcting c for the solcl ubility of CO in water Partitioning coeffi2 cients between air and water for CO 2 hO2 ) hCO2 (K and O (K have been derived ) from Umbreit et al (19 72, in Edwards and ... polynomes were used for calculations of temperature dependent (t) coefficients: which yields values of 0.03636 and 0.00 125 mol I bar at 22 .5 °C for K and K -1 -1 , hO2 hCO2 respectively Equation ... range of values published for other C plants (0 .25 -0.35 in Quercus ilex, Di Marco et al, 1990; 0.35-0.50, Lloyd et al, 19 92; 0.53 for Q rubra, Loreto et al, 19 92; 0.45 for Solanum tuberosum, Tourneux...
... Physiol 7, 22 7 -23 8 Aussenac G (1978) La sécheresse de 1976 : influences des deficits hydriques sur la croissance des arbres forestiers Rev For Fr 30, 103-114 Becker M, Levy G (19 82) Le dépérissement ... Granier A, Aussenac G (19 92) Vulnerability to air embolism of three European oak species (Quercus petraea (Matt) Liebl, Q pubescens Willd, Q Robur L) Ann Sci For 49, 22 5 -23 3 Cornic G, Le Gouallec ... per week (see Epron and Dreyer, 1990, for details) One week before the onset of the experiments, the saplings were transferred into a growth cabinet with 22 /16 °C day/night temperature, 70/95%...
... (well-watered) chamber (NS) Sampling The material for microanalysis was sampled on July and 21 August 1993 for beech leaves and July, 21 August and 21 September 1993 for Norway spruce needles, always between ... Phytol 121 , 403-4 12 Barnes JD, Reiling D, Davison AW, Renner C (1990) Interactions between pollutants and winter stress Environ Poll 53, 23 5 -25 4 Bonneau M 19 -28 (1988) Le diagnostic foliaire Rev For ... exposed for 14 months to ozone and acid mist Environ Poll 64, 22 9 -25 3 Prinz B, Krause GHM, Jung KD (1987) Development of novel forest decline in Germany In: Effects of atmospheric pollutants on forests,...
... (ΔF/F 22 0 μmol m s ) at m’ from (Genty et al, 1989): The following rating for drought suggested, based on species The actinic Forty to 60 leaf disks (2. 0 in diameter) were punched from 2- 3 well-grown ... lumière modulée rouge : < μmol.m lu; -1 s -2 mière actinique : 22 0 μmol m lumière saturante : 0,7 s 000 μmol m Toutes les es; -1 s -2 ) -1 s -2 pèces ont présenté une remarquable stabilité ... interspecific variability; both minimal values (0 .25 for Q ilex to 0.57 for E camaldulensis) and the magnitude of decline (0.44 for Q ilex to 0.17 for Q robur) were very variable DISCUSSION The...