Báo cáo lâm nghiệp: "Dendroécologie du pin laricio de Corse dans l’ouest de la France Évolution du potentiel de croissance au cours des dernières décennies" docx
Báo cáo lâm nghiệp: "Dendroécologie du pin laricio de Corse dans l’ouest de la France. Évolution du potentiel de croissance au cours des dernières décennies" docx
... de 1 808 pins laricio de Corse (Pinus nigra Arnold ssp laricio Poiret var corsicana) échantillonnés dans 183 placettes de l’ouest de la France (région Pays -de- la- Loire) a ... re- latives à l’état sanitaire du pin laricio de Corse dans la région étudiée justifient la stratification de l’échantillon en fonction de l’aspect de...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo khoa học: " Rôle de la nutrition minérale et de l’approvisionnement en eau sur la croissance du pin laricio de Corse dans l’ouest de la France" doc
... eau sur la croissance radiale de peuplements adultes de pin laricio de Corse dans l’Ouest de la France. MATÉRIEL ET MÉTHODES Aire d’étude et échantillonnage Un total de ... de la nutrition minérale et des condi- tions d’approvisionnement local en eau sur la croissance radiale des arbres de peuple- ments adultes de pin lari...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Study of natural hybridization between Alnus incana (L.) Moench. and Alnus glutinosa (L.) Gaertn" pptx
... hybrid alder (Alnus hybridus A.B.) in the Latvian SSR. Elgava, Latvian Agricultural Academy: 19. STEELE F.L., 1961. Introgression of Alnus serrulata and Alnus rugosa. Rhodora, 63: 297–304. VÁCLAV ... of pairs of lateral veins are related to a lesser extent to the size of a leaf blade. e correlation between absolute char- acteristics of an alder leaf testifies to great genetic determinati...
Ngày tải lên: 07/08/2014, 03:22
![Báo cáo lâm nghiệp: "Variability in density of spruce (Picea abies [L.] Karst.) wood with the presence of reaction wood" potx](https://media.store123doc.com/images/document/2014_08/07/medium_wdi1407356554.jpg)
Báo cáo lâm nghiệp: "Variability in density of spruce (Picea abies [L.] Karst.) wood with the presence of reaction wood" potx
... and described a decrease in the density of the rings formed first. e density decreased between the second and the sixth ring from 450 kg/m 3 to 330 kg/m 3 . e authors explained the decrease ... (kg/m 3 ) 700 650 600 550 500 450 400 350 650 600 550 500 450 400 350 600 550 500 450 400 350 700 650 600 550 500 450 400 350 600 550 500 450 400 350 600 550 500 450 400 350 600 550 500 450 400 35...
Ngày tải lên: 07/08/2014, 03:22
![Báo cáo lâm nghiệp: "Response of the Norway spruce (Picea abies [L.] Karst.) root system to changing humidity and temperature conditions of the sit" ppt](https://media.store123doc.com/images/document/2014_08/07/medium_xdb1407356561.jpg)
Báo cáo lâm nghiệp: "Response of the Norway spruce (Picea abies [L.] Karst.) root system to changing humidity and temperature conditions of the sit" ppt
... following common features: declining trees are present in all age classes and one stand includes healthy and injured trees growing side by side (in Moravec even dead standing trees). e primary ... system and gradually deactivates individual root branches whereas the operating root system, and also the rooting depth, are reduced. Responses to the deactivation of indi- vidual root branc...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Extent and distribution of beech (Fagus sylvatica L.) regeneration by adult trees individually dispersed over a spruce monoculture" ppsx
... I T. (2009): Zoochores Ausbreitungspotenzial der Rotbuche (Fagus sylvatica L.) mit Blick auf die Min- imierung der Eingriffsintensität beim Waldumbau in Wäldern mit Naturschutzstatus. ... density of individual regenerated beeches (“individuals”, indicated in thousands per hectare), i.e. a dependent variable, and their distance to the closest tree (“distance”), i.e. an explanator...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Variability of cutting regimes in small private woodlots of south-western France" pot
... B., De Montard F X., Guitton J L., Terrasson D. (Eds.), INRA-Cemagref, Paris, 1994. [44] Tran M., La diversité des modes d’utilisation de la forêt dans les exploitations agricoles des coteaux de ... autour des forêts paysannes du canton d’Aurignac (Haute-Garonne, France) , in: Colloque inter- national La forêt : enjeux comparés des formes d’appropriation, de gestion...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Water relations of cork oak (Quercus suber L.) seedlings in response to shading and moderate drought" ppt
... effets interactifs de la lumière et de la sécheresse sur les relations hydriques et les sucres solubles ont été étudiés sur des plantules de Quercus suber L. qui ont poussé sous la combinaison de quatre éclairements ... plus grandes pour les plantules soumises à un stress hydrique et à un éclairement élevé. La plus grande concentration de sucres solubles des plantules ay...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Gaps promote plant diversity in beech forests (Luzulo-Fagetum), North Vosges, France" docx
... as (in decreasing order of indicator values) Betula pendula Roth., Eupatorium cannabinum L., Pinus sylvestris L., Atropa bella- donna L., Populus tremula L., Agrostis capillaris L. and Holcus lanatus ... –0.67Larix decidua 0.20 0.94 Betula pendula –0.12Veronica officinalis 0.20 0.89 Salix caprea –0.18Juncus bufonius 0.20 0.77 Herbaceous and bush layer (< 3 m) Carex sylvatica 0.20 0.69 Luzu...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Estimation of carbon stocks in a beech forest (Fougères Forest – W. France): extrapolation from the plots to the whole forest" pps
... vegetation Résumé – Estimation du stock de carbone dans une hêtraie (forêt de Fougères, Ouest de la France) : extrapolation de la parcelle au massif. La conférence de Kyoto a révélé le besoin d’établir ... forestiers au cours des dernières décennies, Rev. For. Fr. 52 (2000) 49–70. [44] Recena P., Estimation des stocks de carbone dans les sols et la litiè...
Ngày tải lên: 08/08/2014, 00:22