Báo cáo lâm nghiệp: "Parental participation in progeny and effective population sizes in experimental seed orchards of wild cherry Prunus avium L. (Batsch)" docx

... that the fine root ratio is stable at least in the first growing period of new plantation and the best growing plants have about the same fine root ratio as the poorly growing ones. Even the regression ... explaining 92% of the relationship. An adequate proportion of fine roots (thinner than 2 mm) in the root system is another important parameter of p...

Ngày tải lên: 07/08/2014, 03:22

... stand-forming capacity of wild cherry as well as its capacity to keep its position in a stand. MATERIAL AND METHODS A large stand with wild cherry trees as a stand- forming species in the area of Demonstration ... broadleaves such as Quercus robur, Quercus petraea, Tilia sp. and Carpinus betulus (P 2007). Growth of wild cherry (Prunus avium L...

Ngày tải lên: 07/08/2014, 03:22

... primary productivity in ter- restrial ecosystems (J et al. 1999), N miner- Moisture effect on carbon and nitrogen mineralization in topsoil of Changbai Mountain, Northeast China G. Q 1,2 , Q. ... is maintained at 20°C. For the given vegetation type of Changbai Mountain, soil C and N mineralization rate, potential mineralizable C (C 0 ) and potential ra...

Ngày tải lên: 07/08/2014, 10:21

... Spain (Received 15 September 2006; accepted 20 December 2006) Abstract – A dynamic whole-stand growth model for radiata pine (Pinus radiata D. Don) stands in north-western Spain is presented. In ... inventory data are available [4]. A growth model for Pinus radiata D. Don stands in north-western Spain 455 Table I. Summarised data corresponding to the...

Ngày tải lên: 07/08/2014, 16:21

... www.afs-journal.org DOI: 10.1051/forest:2007030 Original article Parental participation in progeny and effective population sizes in experimental seed orchards of wild cherry Prunus avium L. (Batsch) Stéphanie M a,b,c,g, * , ... based on the seed crop, instead of the number of flowers led to observe a diminution of the effective size of 1.8, 3...

Ngày tải lên: 07/08/2014, 16:21

... future trajectory of the stand basal area. It was therefore not necessary to con- sider the thinning effect in the dynamic model for projecting stand basal area in thinned stands. These results were ... develop a stand basal area growth system for radiata pine plantations in Galicia (northwestern Spain) . A stand basal area projection function...

Ngày tải lên: 07/08/2014, 16:21

... expected change in distribution of within-ring density for one sd increase in ring width is presented in Figure 3. 3.4. Differences among clones in within-ring density Fluctuations in growth rate and within-ring ... relative contribution of clone differences to the overall variation in shape of within-ring frequency distributions of wood density....

Ngày tải lên: 08/08/2014, 00:21

... 455 Ann. For. Sci. 62 (2005) 455465 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005042 Original article A stochastic height-diameter model for maritime pine ecoregions in Galicia (northwestern ... stochastic height-diameter model was developed for maritime pine (Pinus pinaster Ait.) in Galicia (northwestern Spain). Four well-known growth function...

Ngày tải lên: 08/08/2014, 00:22

... carried out in the morning between 07 00 and 12 00 h in the forest understorey and between 07 00 and 10 00 h in the clearing to avoid a mid-day stomatal closure. During the A-PPFD responses, the mean ... structure and functional leaf traits in the tropical forest tree Dicorynia guianensis Amshoff (Caesalpiniaceae) Jean Christophe ROGGY a *...

Ngày tải lên: 08/08/2014, 00:22

... article Non-indigenous plant species and their ecological range in Central European pine (Pinus sylvestris L.) forests Stefan ZERBE*, Petra WIRTH Institute of Ecology, Technical University Berlin, ... availability on plant invasions. 5.3. Reversibility and irreversibility of the plant invasions in pine forests According to Ellenberg [14], the natural...

Ngày tải lên: 08/08/2014, 00:22

... 195208 â INRA, EDP Sciences, 2003 DOI: 10.1051/forest:2003012 Original article Needle longevity, shoot growth and branching frequency in relation to site fertility and within-canopy light conditions ... average needle age, shoot length growth, and branching frequency in response to seasonal average integrated quantum flux density (Q int ) were in...

Ngày tải lên: 08/08/2014, 01:21

... 237 Ann. For. Sci. 60 (2003) 237245 â INRA, EDP Sciences, 2003 DOI: 10.1051/forest:2003015 Original article A height-diameter model for Pinus radiata D. Don in Galicia (Northwest Spain) Carlos ... The model of Tomé gave the best height estimates. Pinus radiata D. Don / forest modelling / Galicia / height-diameter relationship Résumé – Un modèle hauteur-dia...

Ngày tải lên: 08/08/2014, 01:21

... article Aboveground biomass relationships for beech (Fagus m oesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp. Dimitris ZIANIS*, Maurizio MENCUCCINI Institute ... to develop biomass equations for beech (Fagus moesiaca Cz.) trees growing in Vermio Mountain, Northern Greece. Some prelimi...

Ngày tải lên: 08/08/2014, 01:21

... 525535 â INRA, EDP Sciences, 2004 DOI: 10.1051/forest:2004047 Original article Relationships between stem size and branch basal diameter variability in Norway spruce (Picea abies (L.) Karsten) from ... relationships between branch basal diameter of living whorls, stem size (height and diameter at breast height) and stand parameters (stan...

Ngày tải lên: 08/08/2014, 01:22

... and benzyladenine during in vitro bud growth induc- tion of wild cherry (Prunus avium L.). Plant Growth Regul. 8, 325-333 Leroux B., Maldiney R., Miginiac E., Sos- sountzov ... Internal levels of plant growth regulators during in vitro culture of wild cherry (Prunus avium L.) P. Label 1 D. Cornu B. Sotta 2 E. Miginiac 1 IN...

Ngày tải lên: 09/08/2014, 04:20