Báo cáo lâm nghiệp: "Dynamics of natural regeneration of eve

Báo cáo lâm nghiệp: "Dynamics of natural regeneration of even-aged beech (Fagus sylvatica L.) stands at different shelterwood densities" pot

... [L. ] Karst .), syca- more maple (Acer pseudoplatanus L. ), hornbeam (Carpinus betulus L. ), silver birch (Betula pendula Roth .), larch (Larix decidua Mill .), rowan (Sorbus aucuparia L. ), willow ... SCI., 56, 2010 (1 2): 580–588 JOURNAL OF FOREST SCIENCE, 56, 2010 (1 2): 580–588 Dynamics of natural regeneration of even-aged beech (Fagus sylvatica...

Ngày tải lên : 07/08/2014, 10:22

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Báo cáo lâm nghiệp: "Geographic variation and bud dormancy in seedlings (Fagus sylvatica L)" potx

... polycyclism) seems to differentiate the studied provenances. For Galoux (196 6), beech polycyclism seemed to be geneti- cally controlled at family and population levels. Later ... in beech (Fagus sylvatica L) . Effect of chilling and photo- period on dormancy release of beech seedlings. Tree Physiol 6, 429-38 Farmer RE Jr (198 3) La...

Ngày tải lên : 08/08/2014, 18:21

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Báo cáo lâm nghiệp: " Dynamics of tree species composition and characteristics of available space utilization in the natural forest of the National Nature Reserve Hrončokovský Grúň" pot

... intermediate layer was filled by beech (disappearing after 199 2), partly by fir and maple. At this developmental stage, even the lower layer of the natural forest is slightly filled by fir. e analysis ... and levels in the natural forest of NNR Hrončokovský Grúň in a time span of 30 years (optimal stage) (PRP 3) Year Upper level UAS s /UAS L ( %) Intermediate level UA...

Ngày tải lên : 07/08/2014, 10:22

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Báo cáo lâm nghiệp: "Response to natural and simulated browsing of two Mediterranean oaks with contrasting leaf habit after a wildﬁre" docx

... caducifolio (Q. cerrioides Willk. & Costa) y uno perennifolio (Q. ilex L. ) en Catalunya. Análisis de la ecología de la reproducción, la respuesta de las plántulas a factores ambientales y la respuesta ... Meghelli N., Ordoñez J .L. , Retana J., Land use changes, natural regeneration patterns and restoration practices after a large wildﬁre in NE Spain: Challenges for ﬁre ecology...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp:" Dynamics of litterfall in a chronosequence of Douglas-fir (Pseudotsuga menziesii Franco) stands in the Beaujolais mounts (France)" potx

... litterfall Total litterfall / P litterfall Needle litterfall/ N litterfall Needle litterfall/ P litterfall All stands 0.55 0.74 0.82 0.63 Plantations 0.79 0.78 0.84 0.77 French stands 0.88 0.88 ... /total litterfall Crown needle biomass / needle litter All stands 0.82 0 0.64 0.50 Plantations 0.79 0 0 0 French stands 0.75 0 0 0 Stands concerned Total litterfall / N litterf...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: "Dynamics of light interception, leaf area and biomass production in the establishment year in Populus clones" pot

... shed all their leaves; however, light interception was still around 45%, apparently because of the absorption of radiation by stem and branches. At that time, hybrid clone ... 11-11 still retained part of its foliage and light absorption was around 75%. Light absorption by a clone was directly related to its total leaf area (Fig. 2); a...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps

... (Fig. 9a). Stratification shortens all paths of the upper strata, increases their selection probabilities and decreases the related estimates (Figs. 9b,c) and their vari- ability. All paths of the ... (b) ir- regular with paths of different lengths (two to five segments). (c) Deletion of the middle segment of node 1 of the tree in 2(b). (d), (e) Formation of two strata from the...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic)" pot

... (Fraxinus excelsior), English oak (Quer- cus robur), black poplar (Populus nigra), broadleaved lime-tree (Tilia platyphyllos), and common maple (Acer campestre). The location Hájek (HA) (60 ha) is a ... feature of stable population liv- ing in optimal habitats (A, G 198 5). In HL it was slightly shifted to the dominance of males. e number of sexually active females indic...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae)" pps

... female of the alder biological form of Galerucella lineola Fig. 2. e body length of males and females of the alder biological form of G. lineola Fig. 3. e body length of males and females of ... 2007 ( 8): 364–380 5,982 frass pellets. Frass pellets of imagoes were elongated, slightly irregularly strangulated, imme- diately after defecation dark green, later black. Male...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Contribution to the knowledge of Apodemus sylvaticus populations in forests of the managed landscape of southern Moravia (Czech Republic)" potx

... excelsior), pedunculate oak (Quercus robur), black poplar (Populus nigra), large- leaved lime (Tilia platyphyllos) and common maple (Acer campestre). e Hájek locality (HA) (60 ha) is a typical ... favour of females at all three localities. e highest diﬀerence was at HA locality (77 %), very marked also at HL (71.1 %) and it was nearly balanced at RB locality (54 %). ...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Dynamics of natural regeneration of even-aged beech (Fagus sylvatica L ) stands at different shelterwood densities" pot

Báo cáo lâm nghiệp: "Dynamics of natural regeneration of even-aged beech (Fagus sylvatica L.) stands at different shelterwood densities" pot

Báo cáo lâm nghiệp: "Geographic variation and bud dormancy in seedlings (Fagus sylvatica L)" potx