Báo cáo lâm nghiệp: "Spatial and temporal diversity of wood decomposer communities in different forest stands, determined by ITS rDNA targeted TGGE" potx

... al. and giving a more realistic view of total diversity [1]. The use of internal transcribed spacer (ITS) primers to amplify fungal ITS of rDNA was originally described by White et al. [32] and ... currently represented in databases. It was also realized that single bands did not necessarily originate from one species and that one band could contain Wood decomposer...

Ngày tải lên: 07/08/2014, 16:20

... seedlings growing in the open area, higher values in the gap and the highest values in seedlings growing under shelterwood, ex- plained these diff erences by increased photoinhibi- tion in beeches ... Growth and biomass partitioning of Fagus sylvatica L. and Quercus robur L. seedlings in response to shading and small changes in the R/FR-ratio of radiation. Annals...

Ngày tải lên: 07/08/2014, 10:21

... Lecomte and Christian Laurent (DGRNE, Division de la Nature et des Forêts), in charge of the Standing Forest Inventory. The input of foreign experts concerning the carbon stock in the biomass of forests ... stocks inventory methods in the forest /wood products sector. COST-E21 Working Group 1, evaluation and improvement of inventory/accounting systems of Carbon stock...

Ngày tải lên: 08/08/2014, 00:22

... plug-ins were installed to reconstruct the bio- film in three dimensions. Biofilm cell density determination The cell density in the biofilm was determined using the object counter3D plug -in installed ... thickness of each regenerated cellulose chad was determined by measuring the change in the Z- dimension by focusing the confocal microscope on the top and bottom of the...

Ngày tải lên: 20/06/2014, 23:20

... including head and legs, or (iii) the weight of a dressed individual without head and legs. Age was determined in all animals. In indi- viduals up to the age of 2 years, age was deter- mined ... found in our study. In Spain and Portugal, F et al. (2004) indicate March–April as the most com- mon farrowing period and Santos gives the be- ginning of March to the e...

Ngày tải lên: 07/08/2014, 10:21

... – by differences in mortality between the planting variants and by the survival of declining individuals with the growth stagnation. Nutrient state of the tested plantings was indicated by ... growth termination at the beginning of autumn. e height growth was evalu- ated according to the parameters of all living fir indi- viduals in 2007 and according to 20% of the h...

Ngày tải lên: 07/08/2014, 10:22

... what, where and when timber is harvested in a managed forest, indicating in some cases which species can be cut [26, 32]. In order to achieve the goal of sustainable forest and illuminate the de- bate ... basis of increasing basal area and aerial biomass and decreasing values of all other structural measures. The DCA ordination based on species presence was also consist...

Ngày tải lên: 07/08/2014, 16:20

... of Pest Insects and Rodents, Institute of Zoology, the Chinese Academy of Sciences, Beijing 100080, PR China b Graduate School of Chinese Academy of Science, Beijing 100080, PR China c USDA Forest ... Wu and Yuyong Guo of the Forest Interruption of Dendroctonus valens by NHVs 273 Pest Control Station of Shanxi Province, China, for logistical support in collecting i...

Ngày tải lên: 07/08/2014, 16:20

... in summer in Finland (based on the meteorological data- base at the Suonenjoki Research Station of Finnish Forest Research Institute), planting growing seedlings in summer may result in plantation ... hardened seedlings yet for June plant- ing. Dormancy, instead, can be maintained until the time of the planting by prolonged overwinter frozen storage. Provided that seedlings co...

Ngày tải lên: 08/08/2014, 00:21

... restriction of productivity and survival of woody evergreen plants in Mediterranean-type regions [35], we think that this could be one of the main causes of their confinement to the islands, where ... differ- ences of 2 ºC in sun leaves in the warm season. Table I. Average values and standard deviations of the Fv/Fm para- meter in response to freezing temperatures i...

Ngày tải lên: 08/08/2014, 00:22