Báo cáo lâm nghiệp:" Mid-winter ultrastructural changes in the vegetative embryonic shoot of Norway spruce [Picea abies (L.) Karst.]" pdf

... 526/03/H036. Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands P. S 1 , ... 1992). Norway spruce (Picea abies [L.] Karst.) is the main edificator and stand-forming tree species in mountain spruces sta...

Ngày tải lên: 07/08/2014, 03:22

... Program of China No. 201104070. Short Communication Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China DONGKAI ... species would not become dominant in the forest. e results of the multi-response per- mutation procedures (MRPP) further confirmed the dissimilari...

Ngày tải lên: 07/08/2014, 03:22

... possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts. P. K, O. M Faculty of Forestry and ... parts of the stands) than in the Krušné hory Mts. (with underplanting realized inside the stands) was also a reason for the relative...

Ngày tải lên: 07/08/2014, 03:22

... Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in diff erent gradation conditions E. K 1 , W. Z 2 1 Faculty of Forestry ... merocoenosis of cambioxylophagous insect fauna associated with stems of standing spruce trees attacked by bark beetles, in th...

Ngày tải lên: 07/08/2014, 10:21

... Nor- way spruce (Picea abies [L.] Karst.) underplantings in the Hrubý Jeseník Mts. In the area concerned 19 research plots were established, representing the ridge sites of the 8 th FAZ of acid ... growth and development of Norway spruce plantings in the ridge part of the Hrubý Jeseník Mts. Keywords: Norway spruce; nutrient defi...

Ngày tải lên: 07/08/2014, 10:21

... in the research area, mean values of the estimate of the red deer population density were deter- mined in the Jelení hora hunting district in 2007 and 2008 using the FSC method, viz 24 ± 23 individuals·km –2 ... (2): 59–63 59 JOURNAL OF FOREST SCIENCE, 57, 2011 (2): 59–63 Red deer density in the air-polluted area of forest ecosystems in the...

Ngày tải lên: 07/08/2014, 10:21

... determine the stability of spruce stands in the areas of threat to forest stability in the Beskid Śląski and Beskid Żywiecki Mts. in the light of their nutrition. In 2002 samples of soil and of ... Beskid Śląski Mts.; Beskid Żywiecki Mts.; Southern Poland 42 J. FOR. SCI., 54, 2008 (2): 41–48 VIII, Province 1 of the Beskid Śląs...

Ngày tải lên: 07/08/2014, 10:21

... Functions in Anthropically Disturbed Biotopes in Changing Environmental Conditions. Effect of initial height of seedlings on the growth of planting material of Norway spruce (Picea abies [L.] Karst.) ... growing seedlings from a mountain population of Norway spruce after their planting in extreme mountain conditions compared to the...

Ngày tải lên: 07/08/2014, 10:21

... outplanting (G 1982; M 1982; A 1983; D, O-  1990; W 1990). Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea ... evaluated the growth of different types of planting material in the first years after outplanting to a mountain locality. MATERIAL AND METHODS Plantable...

Ngày tải lên: 07/08/2014, 10:22

... March 2004) Abstract – Seeds of Norway spruce (Picea abies (L.) Karst.) belong to the orthodox category, because they can be desiccated to a low level of moisture content and be stored at low temperature ... article How long can seeds of Norway spruce (Picea abies (L.) Karst.) be stored? Boleslaw SUSZKA a *, Pawel CHMIELARZ a , Reinhard WA...

Ngày tải lên: 08/08/2014, 00:21

... shallow peatlands (mainly peaty gleys) have been planted with coniferous forests, mostly Sitka spruce (Picea sitchensis (Bong.) Carr) [3]. Afforestation on peaty soils may cause an increase in ... (stand ages between 2 and 34 years old) in Florida. Afforestation on natural grassland, clearfelling and replant- ing also caused changes in the soil bulk densities, main...

Ngày tải lên: 08/08/2014, 00:22

... results are in accordance with the vertical distribution of different ex- ploration types in the organic layer and the mineral soil in a young spruce stand of the Bavarian limestone Alps [8]. Con- tact ... vertical distribution in soil horizons, and ex- ploration types of ectomycorrhizae in a young, planted Norway spruce (Picea abies [L.] Ka...

Ngày tải lên: 08/08/2014, 00:22

... Succession from bog pine to Norway spruce stands 351 Table I. Vegetation tabular of the phytocoenotic relevés and their synusial relevés in the bog pine stand of phytocoenosis No 1 and in the bog pine ... A., Schweingruber F.H., Gobat J M., Stand structure, invasion, and growth dynamics of bog pine (Pinus uncinata var. rotundata) in relation to pe...

Ngày tải lên: 08/08/2014, 01:21

... shoot is still insufficient. The aim of this study was to determine whether changes take place in the submicroscopic structure of the distal part of an embryonic Norway spruce shoot during winter dormancy ... (2003) 461466 â INRA, EDP Sciences, 2003 DOI: 10.1051/forest:2003039 Note Mid-winter ultrastructural changes in the vegetative embryonic shoot...

Ngày tải lên: 08/08/2014, 01:21

... Norway spruce (Picea abies (L.) Karst.) and Silver fir (Abies alba Mill.) – technique, establishment of sample methods and application in forest growth analysis Peter SPATHELF Forstdirektion Tỹbingen, ... competition, right: Norway spruce, released; diagonal = crown length 0). Figure 9. Development of crown ratio (cr) of th...

Ngày tải lên: 08/08/2014, 01:21