Báo cáo lâm nghiệp: "Site index in relation to edaphic variables in stone pine (Pinus pinea L ) stands in south west Spain" ppt

... (200 5) 61–72 © INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2004086 Original article Site index in relation to edaphic variables in stone pine (Pinus pinea L. ) stands in south west Spain Andrés ... Eucalyptus sp., Sevilla, 2000. [37] Montero G., Cañellas I., Selvicultura de Pinus pinea L. Estado actual de los conocimientos en España, in: I Simpos...

Ngày tải lên: 08/08/2014, 00:21

... mineratomasse et productivité d’un écosystème à Pins pignons (l inus pinea L. ) du littoral méditerranéen. IV. Production. Acta Œ’col. (Ecol. Plant., 2 (1 6), ( 4), ... la salinité du sol d’un peu- plement de pins pignons (Pi llus pinecr L. ) du littoral méditerranéen. (Ecol. Mf!/y!rmnfn. 4, 49-61. ’ IsxnHtM M., Rnrt! M., L O...

Ngày tải lên: 09/08/2014, 06:21

... vermiculite in order to differentiate old and new-formed roots; and iii) seedlings growing in peat vermiculite, inocu- lated with mycelial inoculum of Suillus collinitus. Although ... distilled water. Three experiments were carried out: i) seedlings growing in calcareous forest soil; ii) 2-year-old naturally mycorrhizal seedlings, transplanted in...

Ngày tải lên: 08/08/2014, 18:21

... had little effect on the height of loblolly pine seedlings. Longleaf pine, however, showed a much larger increase in both height and seedling dry weight than loblolly pine ... in dry mat- ter accumulation by seedlings; root collar diameter is a more useful indicator of seedling size. Taller seedlings generally remain taller in the years foll...

Ngày tải lên: 09/08/2014, 04:20

... Central), West Andalusia (Andalucía Occidental) and Catalonia (Cataluña). This will allow us to analyse the inter-regional variability in dominant height growth patterns for Pinus pinea stands, ... permanent plots in even-aged stands of stone pine (Pinus pinea L. ) in four regions of Spain (Central Range, Northern Plateau, West Andalusia and Catalonia) are used...

Ngày tải lên: 08/08/2014, 01:21

... Bertalanffy L. v., Quantitative laws in metabolism and growth, Q. Rev. Biol. 32 (195 7) 217–231. [5] Borders T.H., Bailey R .L. , Ware K.D., Slash pine site index from a polymorphic model by joining (splining) ... et al. Site quality associated with Scots pine (Pinus sylvestris L. ) in Spain has been studied by several authors. The earliest site index curves were cons...

Ngày tải lên: 08/08/2014, 00:21

... on the basis of indices obtained in similar stands during tending fellings. In older stands, their assortment structure was deter- mined individually for each stand. e combination of the ... Scots pine stands growing at unsuitable sites in conditions of the Polish Lowland. The analysis was performed taking into consid- eration exclusively economic premises disregarding eco...

Ngày tải lên: 07/08/2014, 03:22

... 2002–2006 During the study period a total of 4,838 shoots damaged by adult feeding fell on experimental plots. e mean shoot fall in individual years indicated a high intensity of beetle feeding in pine ... Journal of Animal Ecology, 43: 445–467. BORKOWSKI A., 2001. reats to pine stands by the pine shoot beetles Tomicus piniperda (L. ) and T. minor (Hart .) around...

Ngày tải lên: 07/08/2014, 04:20

... up to 10 %). Partial analyses included only non-marginal and by wildlife undisturbed trees in the main level.  e minimum number of trees analyzed in each stand situation (healthy tree, injured ... cantly lower terminal increment and lower needle length. All injured trees and nearly all healthy trees are in- fested by the honey fungus; the injured trees show more roots (exclus...

Ngày tải lên: 07/08/2014, 10:21

... úvaly 294,552 temperature 8.5–9.5°C, rainfall 500–600 mm, forest coverage 13.9%, Fluvisols, Cambisols, brown soils and black soils, bedrock is created by sandstones, claystone and limestone 36 ... transport roads in single morphological types of terrain: in lowlands and ta- blelands with the slope of terrain to 15% 15 m/ha by obtainable efficiency 90% and average geometrical skidding...

Ngày tải lên: 07/08/2014, 10:21