Báo cáo lâm nghiệp: "Micrometeorological assessment of sensitivity of canopy resistance to vapour pressure deficit in a Mediterranean oak forest * " potx

... resistance to vapour pressure deficit in a Mediterranean oak forest * A Pitacco N Gallinaro Institute of Pomology, University of Padova, Via Gradenigo 6, 35151 Padova, Italy (Received ... 0.06). CONCLUSION The Mediterranean oak forest that has been investigated seems to dissipate most of the available energy as latent heat in the...

Ngày tải lên: 08/08/2014, 18:21

... 2000) and is often used in visual assessments of site productivity changes be- cause they indicate changes in infiltration, erosion, water retention and the water-air balance as an early indicator ... disturbance in a skid trail. MATERIAL AND METHODS A field study was conducted at a Forestry Ex- perimental Station of Tarbiat Modares University, located in a temperate f...

Ngày tải lên: 07/08/2014, 03:22

... population of paths of each tree (eq. [1]) and the true totals and variances of the target variables and the estimates of the totals, respectively. Choice of the auxiliary variable and variance of the ... the defini- tion of nodes (a point at which a branch or a part of a branch branches out to form two or more sub- branches) at certain branching points and segments...

Ngày tải lên: 07/08/2014, 03:22

... sweeping on A. glutinosa and A. incana (Polnička, 1996). e mean leaf area of A. glutinosa damaged by imagoes and the mean number of laid eggs in the laboratory. An asterisk* indicates 28.6% parasitization ... parasitization of imagoes by tachinas Medina collaris (Fall.). In rearings free of tachinas, the total mean life span is given of male and female imagoes in captivit...

Ngày tải lên: 07/08/2014, 03:22

... evaluation of morphological parameters in one-year planting material prepared for out- planting onto research plots was done in the ac- credited laboratory Nursery Control according to Standard ... conditions after outplanting. Many data are available on reactions of seedlings grow- ing in the shade to a sudden increase in light access. Some characteristics change very ra...

Ngày tải lên: 07/08/2014, 10:21

... Construction of an intron-containing marker gene: splicing of the intron in transgenic plants and its use in monitoring early events in Agrobacterium-mediated plant transformation. Molecular and General ... 5'-AGCTTTGGTACGAGAGACTATTTCGCG- TAG-3' amplified DNA fragment of 1093 bp. Southern blot analysis Genomic DNA for Southern blot analysis was extracted from kanam...

Ngày tải lên: 07/08/2014, 10:21

... the appropriate management of a game population that is now a ma- jor issue in professional circles. As the main manage- ment suggestion is stopped the increasing of popula- tion density in all ... findings of M and F (2004) that in case there is an abundance of food available during the preceding autumn and favourable environmental factors, the time of fa...

Ngày tải lên: 07/08/2014, 10:21

... ploughing -in is characterized at the age of 7 years by an invariability of the achieved initial state of improvement of physi- cal soil properties (water-retaining capacity, poros- ity) and by a ... nigra Arn. and Larix decidua L. As a consequence of the qua- lity of containerized planting material permanent developmental deformations were observed in up to 80% of e...

Ngày tải lên: 07/08/2014, 10:21

... termination at the beginning of autumn. e height growth was evalu- ated according to the parameters of all living fir indi- viduals in 2007 and according to 20% of the highest individuals to avoid ... potential support to the vitality of the fir plantations by means of ameliorating measures were a part of the experiment. A part of the plantings was standard wit...

Ngày tải lên: 07/08/2014, 10:22

... Allozyme and RAPD analysis of the genetic diversity and geographic variation in wild populations of the American chestnut Castanea dentata (Fagaceae). American Journal of Botany, 85: 1013–1021. JIMÉNEZ ... Montes, Universidad de Córdoba, Córdoba, Spain ABSTRACT: Sweet holm oak (Quercus ilex ssp. ballota Desf. Samp.) is an important broad-leaved tree spread in the Mediterranea...

Ngày tải lên: 07/08/2014, 10:22