Báo cáo lâm nghiệp: "Faible différenciation génétique, à partir d’amplification aléatoire d’ADN polymorphe (RAPD), entre les types de pin sylvestre (Pinus sylvestris L ) d’altitude et de plaine dans les Alpes à climat continental" pptx

Báo cáo lâm nghiệp: "Faible différenciation génétique, à partir d’amplification aléatoire d’ADN polymorphe (RAPD), entre les types de pin sylvestre (Pinus sylvestris L.) d’altitude et de plaine dans les Alpes à climat continental" pptx

Báo cáo lâm nghiệp: "Faible différenciation génétique, à partir d’amplification aléatoire d’ADN polymorphe (RAPD), entre les types de pin sylvestre (Pinus sylvestris L.) d’altitude et de plaine dans les Alpes à climat continental" pptx

... indiquée. Les points blancs représentent les populations de plaine de Pinus sylvestris et les points noirs celles d’altitude. Les abréviations se réfèrent au tableau I. Parallèlement à l analyse génétique, ... pour cinq populations de plaine (ligne pointillée) et d’altitude (ligne continue) de Pinus sylvestris. La valeur absolue des différences de pente, se...

Ngày tải lên: 08/08/2014, 00:22

10 359 0
Báo cáo lâm nghiệp: "Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies" ppt

Báo cáo lâm nghiệp: "Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies" ppt

... 1979. La forêt et la ville – Essai sur la forêt dans l environnement urbain et in- dustriel. Paris, INRA, station de recherche sur la forêt et l environnement. KÜSTER H., 1995. Geschichte der Landschaft ... 105–107. ROCEK I., 1998. Les attitudes des habitants de la République Tchèque envers la forêt et la gestion forestière. Document de travail, Série internationale 98/3...

Ngày tải lên: 07/08/2014, 03:22

9 391 0
Báo cáo lâm nghiệp: "Soil-forming effect of Grand fir (Abies grandis [Dougl. ex D. Don] Lindl.)" pot

Báo cáo lâm nghiệp: "Soil-forming effect of Grand fir (Abies grandis [Dougl. ex D. Don] Lindl.)" pot

... sylvatica L. ), Norway spruce (Picea abies [L. ] Karst .) and oak (Quercus spp. L. ) stands (all of pole stage). e site is characterized as 4P1 – acid oak-fir site with Luzula pilosa, the geological ... (Abies alba Mill .) partially contributed to the interest in this species in the last century. is aspect is less topical at present because of the partial revitalization of...

Ngày tải lên: 07/08/2014, 10:22

7 274 0
Báo cáo lâm nghiệp: "an Phytophthora quercina have a negative impact on mature pedunculate oaks under field conditions" pptx

Báo cáo lâm nghiệp: "an Phytophthora quercina have a negative impact on mature pedunculate oaks under field conditions" pptx

... causer des réductions substantielles de la longueur des fines racines des arbres adultes dans les conditions de terrain. L impact du pathogène varie selon la vitalité de l arbre et la saison, avec des ... belong- ing to different crown defoliation classes, were chosen for sampling: a healthy tree (crown defoliation 0–10 %), a moderately declining tree (crown defoliation 25–40 %...

Ngày tải lên: 07/08/2014, 16:20

12 233 0
Báo cáo lâm nghiệp: "The reproductive success of a Quercus petraea × Q. robur F1-hybrid in back-crossing situations" potx

Báo cáo lâm nghiệp: "The reproductive success of a Quercus petraea × Q. robur F1-hybrid in back-crossing situations" potx

... was considered viable. 2.3. Pollen mixes Low amounts of pollen limited the design of pollen mixes. Still, three mixes could be made. Pollen mix 1 and 2 contained pollen from Q. petraea, Q. robur ... of pollen. A small amount of pollen was germinated prior to pollination in a 10% sucrose solution in order to test pollen viability. Pollen showing pollen tube growth and expansion was considered...

Ngày tải lên: 07/08/2014, 16:20

9 304 0
Báo cáo lâm nghiệp: " The management of snags: A comparison in managed and unmanaged ancient forests of the Southern French Alps" pot

Báo cáo lâm nghiệp: " The management of snags: A comparison in managed and unmanaged ancient forests of the Southern French Alps" pot

... Dynamique de la végétation à l étage montagnard dans les Alpes du sud. Première approche des hêtraie-sapinières. Les applications possibles au niveau de la gestion, Rev. For. Fr. 44 (199 2) 393–413. [39] ... sylvicultural et de la mosaïque sylvatique a été estimé. Le volume moyen de bois mort sur pied atteint 64,6 ± 19,8 m 3 ·ha –1 dans les forêts anciennes inexpl...

Ngày tải lên: 08/08/2014, 00:21

8 487 0
Báo cáo lâm nghiệp: "Carbon stock changes in a peaty gley soil profile after afforestation with Sitka spruce (Picea sitchensis)" potx

Báo cáo lâm nghiệp: "Carbon stock changes in a peaty gley soil profile after afforestation with Sitka spruce (Picea sitchensis)" potx

... proportionnellement plus de carbone stocké dans la litière (OL) et dans l horizon A et moins dans l horizon organique après le boisement et deux rotations. stocks de carbone dans le sol / densité volumique ... résultats des deux méthodes étaient linéairement liés. Le boisement change à la fois l importance et la distribution des stocks de C org des prairies naturel...

Ngày tải lên: 08/08/2014, 00:22

8 378 0
Báo cáo lâm nghiệp:" Dynamics of litterfall in a chronosequence of Douglas-fir (Pseudotsuga menziesii Franco) stands in the Beaujolais mounts (France)" potx

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

... simple permet de calculer les retombées cumulées pour la révolution forestière complète. Une analyse bibliographique a permis de sélectionner une vingtaine de peuplements de Douglas pour lesquels ... litterfall / N 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 0.8...

Ngày tải lên: 08/08/2014, 01:21

14 288 0
Báo cáo lâm nghiệp: "Development and characteristics of microsatellite markers for sugi (Cryptomeria japonica D. Don) derived from microsatellite-enriched libraries" ppt

Báo cáo lâm nghiệp: "Development and characteristics of microsatellite markers for sugi (Cryptomeria japonica D. Don) derived from microsatellite-enriched libraries" ppt

... isolées à partir de 2 banques de séquences génomiques enrichies en GA, grâce à l utilisation de billes magnétiques. Puis, après avoir éliminé les clones redondants et les clones pour lesquels les ... system analysis using open-pollinated seeds, and underestimates of pollen dispersal distance in paternity analyses. Our newly developed microsatellite markers revealed a lowe...

Ngày tải lên: 08/08/2014, 01:22

7 336 0
Báo cáo khoa học: Gc recruitment system incorporating a novel signal amplification circuit to screen transient protein-protein interactions pot

Báo cáo khoa học: Gc recruitment system incorporating a novel signal amplification circuit to screen transient protein-protein interactions pot

... excess BFG2118 Initial ratio of target cells ( %) Initial cell number a Generated diploid cell number Final ratio of target cells b Initial ratio of target cells ( %) Initial cell number Generated diploid cell number Final ... amplifi- cation system displayed successful isolations of the target cells, with 100% of final ratio of target cells from the model library with 1% and 0.1% frequen...

Ngày tải lên: 05/03/2014, 23:20

9 537 0
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