Báo cáo lâm nghiệp: "ree nutrition of Norway spruce as modified by liming and experimental acidification at the Höglwald site, Germany, from 1982 to 2004" pdf

... 17°58'46.72''E, 460 m a.s.l.; Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history J. H 1,2 , M. T 3 1 Forestry and Game Management Research ... consump- tion, mating behavior, and shelter selection of Anthribus nebulosus Forster (Coleoptera: Anthribidae), an introduce...

Ngày tải lên: 07/08/2014, 03:22

... traps give information influenced by mi- gration of beetles. CONCLUSIONS I. typographus remained dominant species on the majority of sites having high intensity of tree infes- tation mainly along ... understanding of bark beetles spatial distribution. It may be used for practical forest protection only as preliminary information. No environmental factor controlling observed...

Ngày tải lên: 07/08/2014, 03:22

... selection of the best plus trees based on the performance of their half- sib progenies (R 1 ); response to selection of the best half-sib progenies (R 2 ); response to selection of the best clonally ... by the Czech University of Life Sciences in Prague, Faculty of Forestry and Environment, Project No. 41130/1312/413162. Initial evaluation of half-si...

Ngày tải lên: 07/08/2014, 03:22

... Supported by Grant Agency of the Slovak Republic, Project No. 2/4159/04. Mineral nutrition in relation to the Norway spruce forest decline in the region Horný Spiš (Northern Slovakia) Ľ. D 1 , ... (3): 93–100 97 lings from the forest nursery planted in the substrate from the declining forest stand, 6 – spruce seedlings from the nurs...

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

... gradual. At the end of the growing season, 66% of phloem remained live or in the first stage of wilting. ere is available wood for the invasion of secondary cambiophages in the following growing ... colonized the breaks in particular. e upper and the lower side of the lying breaks-off differ in the intensity of attack and the degree of cover of th...

Ngày tải lên: 07/08/2014, 04:20

... degree of root rot damage in two large complexes of Norway spruce stands established on former agricultural land at fertile sites. e root rot infection was observed on the stump cutting area on ... to compare the degree of root rot damage in two large complexes of Norway spruce stands established on former agricultural land at...

Ngày tải lên: 07/08/2014, 10:21

... 10.1051/forest:2006029 Original article Population genetics of Norway spruce (Picea abies Karst.) at regional scale: sensitivity of different microsatellite motif classes in detecting differentiation Ivan S a,b * , ... type and mutation rate on the resulting pattern of differentiation. A further source of variation in the estimates of genetic di...

Ngày tải lên: 07/08/2014, 16:20

... organic mat- ter biodegradability and consequently on mineral element and major nutriments release and availability. The results showed that carbon mineralization and nitrogen mineralization can ... water-holding capacity). Carbon-mineralization was monitored; mineral nitrogen, water-extractable organic carbon and mineral elements were determined before and after th...

Ngày tải lên: 07/08/2014, 16:20

... 10.1051/forest:2006069 Original article Tree nutrition of Norway spruce as modified by liming and experimental acidification at the Höglwald site, Germany, from 1982 to 2004 Christian H * , Wendelin W ,AxelG ă Fachgebiet ... effects of forest liming are the deacidification of soil and seepage water, and the increase in Ca and Mg sup- ply of...

Ngày tải lên: 07/08/2014, 16:20

... the best way to increase the preci- sion of BEFs would be the reduction in error of the biomass and volume models (Fig. 5). Examining the sensitivity in un- certainty of the BEF by ignoring the ... age-classes (reflecting the available format of source data) and as a single value and to analyse the associated BEF uncertainty for Norway spruce stands in...

Ngày tải lên: 07/08/2014, 16:20

... of succession in NZ shrublands have Figure 1. Potential area for afforestation/reforestation of marginal pasture lands by indigenous shrublands and forests. Study site loca- tions are also indicated. ... shrubland or forest remnants. We assume, for the purposes of this study, that all such land is eligible for the creation of Kyoto forest (for further dis...

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

... Original article Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: whole-tree hydraulic conductance, xylem embolism and ... noted at the beginning of the the sap flux through the plant, the soil water status and the total hydraulic conductance from the...

Ngày tải lên: 08/08/2014, 18:21

... in contradiction with the data of large numbers of papers reporting that ozone fumigation causes decreased rates of assimilation (A). However, examples of ozone fumigation not ... briefly reports the results of an investigation into the long-lastinc l effects of ozone fumiga- tion upon photosynthesis of Norway spruce. Measurements were...

Ngày tải lên: 09/08/2014, 04:20