Báo cáo lâm nghiệp: " shake and structural characteristics chestnut (Castanea sativa Miller) coppice stand in northern Piedmont (northwest Italy)" pdf

... possibilities of National Forest Inventory for the evaluation end, there comes the Inventory of Game Damage in the Smaller Territo- rial Units. CONCLUSION Results from National Forests Inventory ... during repeated investigation in comparison with the rest of the investigated territory. In the course of five years, in relation to the original po...

Ngày tải lên: 07/08/2014, 03:22

... the Ministry of Agriculture of the Czech Republic, Research Project No. QG 50105. Production and humus form development in forest stands established on agricultural lands – Kostelec nad Černými ... composition). e study was performed in the stands of four tree species on afforested agricul- tural lands, in a neighbouring forest stand on con- tinuo...

Ngày tải lên: 07/08/2014, 03:22

... to a gap was still lower after 30 days than in the leaves of plants left in the shade and in control seedlings growing in the gap. Photoinhibition in beech seedlings grown in the shade and ... weight and volume of shoots and root systems than seedlings grown in the shade. A higher number of leaves, larger total leaf area and higher dry matter...

Ngày tải lên: 07/08/2014, 10:21

... dynamics of beech, mixed (fi r beech and spruce beech stands) and spruce stands, relict pine woods and stands in the ecotone of the upper forest limit in diff erent site, stand, air-pollution and ... ability in higher elevations and tolerates conditions in the ecotone of the up- per forest limit, although its optimal growth and production is reached...

Ngày tải lên: 07/08/2014, 10:21

... concentrations and fl uxes in bulk precipitation and throughfall in the mountain and highland spruce stands in the Czech Republic I. D, L. M, J. K, I. M Institute of Forest ... radiation and to hold the funnels approximately 1 m above the ground.  ere were 7 collectors randomly dis- tributed at the mountain spruce stand a...

Ngày tải lên: 07/08/2014, 10:21

... the depth of 15 cm) was dug away and removed at these sites, followed by Ecological and morphological notes on Notopygus bicarinatus (Hymenoptera: Ichneumonidae) J. H 1,2 , K. H 3 , ... description, but wholly dis- agrees with monochromatic yellow pterostigma as mentioned by K (2002). e male cocoon is 9–12.5 mm long and 3–4.5mm wide, the female coco...

Ngày tải lên: 07/08/2014, 10:21

... (without the ending and often extended hairs), metatarsal length (LTp) from 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 ... as the distance from the tip of the fore leg to the highest point at the withers. Weight was deter- mined according to circumstances: (i) the whole un...

Ngày tải lên: 07/08/2014, 10:21

... 349 JOURNAL OF FOREST SCIENCE, 57, 2011 (8): 349–358 Survival and growth of outplanted seedlings of selected tree species on the High Tatra Mts. windthrow area after the first growing season I. R 1 , ... effect of planting time and application of the fungal product Ectovit on growth characteristics of seedlings at planting time and...

Ngày tải lên: 07/08/2014, 10:21

... with a total area of 0.75 ha (Fig. 1) were mapped within the range of 22 individual beeches (their average spacing was about 16 m) on an area of 1.9 ha. Ap- proximately 40% of the stand area ... estima- tion of seed dispersal trees – an example of seed dispersal of Picea abies, Abies alba and Fagus sylvatica. Austrian Journal of Forest Science, 123: 103–120. M...

Ngày tải lên: 07/08/2014, 10:21

... higher initial costs of mechanized harvesting machines, larger diameters and crowns of hardwoods, and the relatively steep terrain in Caspian forests, manual felling with a chainsaw is still ... a continuous time study on manual harvesting systems with a chainsaw model Stihl in a Caspian hardwood forest. (2) Estimate the production rates and costs o...

Ngày tải lên: 07/08/2014, 10:21

... METHODS Four-year-old white spruce saplings were grown from seed obtained from a tree breeding seed bank at the Petawawa Forest Experiment Station, Chalk Arginine and the shade tolerance of white spruce saplings ... Size parameters and the responses of free amino acid N and guanidino compounds in the soluble N pool of stem and buds of four-year-old...

Ngày tải lên: 07/08/2014, 10:21

... granite. Supported by the Ministry of Agriculture of the Czech Republic, Project No. MZe 0002070201. Growth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts. V. ... dynamics of the height growth of the silver fir experimental plantings was evaluated on the basis of the results of the measu...

Ngày tải lên: 07/08/2014, 10:22

... and structural recovery of a laurel forest community after clear-cutting: A 60 years chronosequence on La Palma (Canary Islands) Alfredo Manuel B ´  a ,JoséMaríaF ´ -P a , ... Brizmino; Calamintha sylvatica: Calasylv; Carduus clavulatus: Cardclav; Carex divulsa: Caredivu; Ce- dronella canariensis: Cedr cana; Centaurea melitensis:...

Ngày tải lên: 07/08/2014, 16:20

... 569 Ann. For. Sci. 61 (2004) 569575 â INRA, EDP Sciences, 2004 DOI: 10.1051/forest:2004052 Original article Development and characteristics of microsatellite markers for sugi (Cryptomeria japonica D. ... 00 Sub total number of SSRs 72 41 Total number of SSRs 276 1 487 Microsatellite markers for Cryptomeria japonica 573 Table III. Description of sugi mi...

Ngày tải lên: 08/08/2014, 01:22

... ring shake and healthy ring shake is very simple in the case where ring shake and traumas are unequivocally found to be present on one and the same growth ring in a ... are carrying a standard (the remaining height standards are isolated), for the 55% of which (ten stools) the standard is the only ring shaked stem. Re-aggregating the...

Ngày tải lên: 08/08/2014, 18:21