Báo cáo lâm nghiệp: "Origin of Basque populations of radiata pine inferred from RAPD data" ppsx

... with four samples of the Cambria population. Original article Origin of Basque populations of radiata pine inferred from RAPD data A Aragonés, I Barrena S Espinel A Herrán, E ... identification of the source population of Spanish radiata pine forests. However, RAPDs may repre- sent a useful tool for the discrimination of populations...

Ngày tải lên: 08/08/2014, 18:22

... knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic) J. S Faculty of Forestry and Wood Technology, Mendel University of Agriculture ... population dynam- ics of bank voles. Symposia of the Zoological Society of London, 55: 277–313. ANDRZEJEWSKI R., 1975. Supplementary food and the winter dynamics of...

Ngày tải lên: 07/08/2014, 03:22

... there three peaks in the course of monitored years depending on the crop of small-seed species in 2001 and of acorns in 2003 and 2006. e preference of small seeds of tree species can influence ... food niches of which can partly overlap (H 1960; Z 1973; H 1994; S, H 2004). High populations of predators, which concentrate there by reason o...

Ngày tải lên: 07/08/2014, 03:22

... Sampling sites of Italian populations of T. destruens (ITA1-4) and locations of the populations used for the phylogeographic analysis. The natural range of the potential host pine species P. pinea, P. ... increase of the inter- national trade of pine wood is responsible of insect movement among countries and even continents. In this concern, Ritzerow et al. [24] reported...

Ngày tải lên: 08/08/2014, 00:22

... variations of bud burst in western populations of sessile oak (Quer- cus petraea (Matt) Liebl) are examined. The phenology of bud burst in 50 populations of sessile oak has ... distributed in Europe from north of Spain to south of Scandi- navia and from Ireland to Eastern Europe. It occurs in the plains on most types of soil from...

Ngày tải lên: 08/08/2014, 18:21

... the effects of the choice of the auxiliary variable, of the deletion of segments, and of the stratification of the tree crown on the sampling error were analyzed. In the analysis, trees of three ... dele- tion of the stem segments. After this closer look at the old pine, the effect of stratification and deletion of the stem segments on the precision of estimates is to be...

Ngày tải lên: 07/08/2014, 03:22

... 17.5/82.5 Number of feeding stages (= number of stages of break in feeding) 15 36 Period of one stage of feeding (min) 3.5 7 Period of one stage of break in feeding (min) 94 34 Number of migrations from ... per group Compact groups of eggs Open groups of eggs Groups total number of groups/number of eggs (%) number of groups/number of eggs (%) number of gro...

Ngày tải lên: 07/08/2014, 03:22

... pro- portion of fi ne roots in the root system and the ra- tio of leaf area to seedling height.  e measurement of chlorophyll fl uorescence showed lower values of the maximum quantum yield of photosystem ... processes of the capture and transmission of radiant energy quanta.  e long- term eff ect of excessive PAR leads to the photode- struction of assimilatory organs when...

Ngày tải lên: 07/08/2014, 10:21

... in the genetic improvement of radiata pine. Commonwealth Forest Review, 68: 3. T T., T S. (1991): A rapid and inexpensive method for isolation of total DNA from dehydrated plant tissue. ... we report a novel method of genetic transformation of spruce, namely the Agrobacte- rium tumefaciens-mediated transformation of cot- yledonary somatic embryos. JOURNAL OF FORES...

Ngày tải lên: 07/08/2014, 10:21

... the calcaneal joint to the tip of the hoof, ear length (LA) from the root of the ear to the tip, and height at the withers (AC) as the distance from the tip of the fore leg to the highest ... (months) root of the tail, tail length (LCd) from the root of the tail to the tip where the tail vertebrae can still be found (without the ending and often extended hairs), metatar...

Ngày tải lên: 07/08/2014, 10:21