Báo cáo lâm nghiệp: "Litter production in a Quercus suber forest of Montseny (NE Spain) and its relationship to meteorological conditions" pptx

... analyse interannual and seasonal variation of litterfall in a cork oak forest of the Montseny massif (Catalonia, north-eastern Iberian Peninsula) and its relationship with meteorological data. 2. ... 89–98. [19] Martín A. , Gallardo J.F., Santa Regina I., Aboveground litter production and bioelement potential return in an evergreen oak (Quercus rotundifolia) woo...

Ngày tải lên: 07/08/2014, 16:20

... subtraction of the initial content of available mineral N (for the anaerobic incubation of NH 4 + -N content); N initial ‒ initial content of available mineral N (for the anaerobic incubation ... (1982) as a standard of poten- tially available N. Also, our results indicate a high dependence of the supplies of available N in the surface mineral layer of forest soi...

Ngày tải lên: 07/08/2014, 10:21

... 10.1051 /forest: 2004030 Original article Decay resistance in Dicorynia guianensis Amsh.: analysis of inter-tree and intra-tree variability and relations with wood colour Nadine AMUSANT a *, Jacques BEAUCHENE b , ... Amusant et al. temperate species. The intra-tree variation in durability in Dicory- nia guianensis explains a substantial part of the variability. The large ra...

Ngày tải lên: 08/08/2014, 01:21

... of the S (self-incompatibility) gene. They are of protein and glycoprotein na- ture (Nasrallah and Nasrallah, 1986; Gaude and Dumas, 1987). On the other hand, no data are ... with bovine serum albumin as a standard. Samples containing 10 0 pg of protein were loaded on an SOS-gel, according to Laemmli’s procedure (Laemmli, 1970). After runnin...

Ngày tải lên: 09/08/2014, 04:20

... 265282. [10] Delatour C., Phytophthoras and Oaks in Europe, in: Proceedings of the 2nd International meeting on Phytophthoras in Forest and Wild- land Ecosystems, Perth and Albany, Australia (in press). [11] ... mycelial fans at the cambium. Armillaria was also detected on three other oaks in Mersuay, three oaks in Filain and two in Ainvelle. In these cases Armillari...

Ngày tải lên: 08/08/2014, 01:21

... i.e. M. sutor and M. saltuarirs in northeastern China, M. galloprovinialis in the whole of Europe except for Scandinavia and Siberia, and M. scutellatus scutellatus in Alaska and Canada [6, 18, ... history, and the overwinter- ing larvae had significantly stronger cold tolerance compared 456 Ma et al. [21] Song Y.S., Zang X.Q., Analysis of adaptation and quarantine coun-...

Ngày tải lên: 07/08/2014, 16:20

... increase, equal to an average of 3.3 Tg/year, was due to both a higher mean amount of carbon per forested area in forests remaining as forests and an expanded forested area (see Fig. 1). Carbon accumulated ... increased by 29% and the forest area expanded Carbon sink of Finland’s forests 695 stocks of biomass and soils as a consequence of natural dis- turbances was...

Ngày tải lên: 07/08/2014, 16:20

... [14]. Luchu pine was introduced to the Bonin Islands and some national forests in Kyushu, and was also introduced to Taiwan [39]. In Okinawa, Luchu pine * Corresponding author: xnxu61@yahoo.com.cn is ... The area is characterized by a subtropical climate and abun- dant rainfall throughout the year. Annual mean temperature is about 21.8 ◦ C. Annual mean rainfall is 2680 mm over...

Ngày tải lên: 07/08/2014, 16:20

... T., Pascual L., Trasobares A. , Examining alter- native landscape metrics in ecological forest landscape planning: a case for capercaillie in Catalonia, Investigaciones Agrarias, Sist. Recur. For. ... inventory data to estimate the “number of years since debarking” for all trees in all land units. Afterwards it simulates land unit debarking cycles start- ing in the year when...

Ngày tải lên: 08/08/2014, 00:22

... pines) than in GU and 2L, and all ratios tend to increase with years (two-way ANOVA using arc- sine-transformed ratios of individual traps; there was no signi- ficant interaction of site and years). ... (SHDI) and catches of T. formicarius and of I. typographus; (b) arcsine-transfor- med proportion of pines (PROP_PIN) and catches of T. formicarius and of I. ty...

Ngày tải lên: 08/08/2014, 00:22