Báo cáo lâm nghiệp: " Mating system parameters in a natural population of Abies borisii regis Mattfeld" pdf

... Forestry and Environment, Project No. 3161/2006. Addressing spatial variability in provenance experiments exemplified in two trials with black spruce T. F, M. L, J. K, I. P, ... variance components in the context of mixed linear models. It is a useful tool for analyzing field variety trials as it allows for the fitting of spatial variabil...

Ngày tải lên: 07/08/2014, 03:22

... past Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies F. S Zurich, Switzerland ABSTRACT: e present distribution ... it has integrated increasing societal de- mands into current management practices. To assess the present and future options in management of forests,...

Ngày tải lên: 07/08/2014, 03:22

... Program of China No. 201104070. Short Communication Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China DONGKAI ... species would not become dominant in the forest. e results of the multi-response per- mutation procedures (MRPP) further confirmed the dissimilari...

Ngày tải lên: 07/08/2014, 03:22

... the already set principles and the floodplain forest was managed in the form of a composite forest with a rotation period of 35 years until 1950. In that year, however, a dramatic change in forest ... the Na- tional Forests set up a large pheasantry (1,340 ha) and due to the game management, the floodplain forest was classified as a special-purpose forest. is has brought...

Ngày tải lên: 07/08/2014, 03:22

... differences in the root system development and health condition were found either between the trees of identical height from self-seeding and from planting in the region of Krušné hory Mts. and in the ... 452–461 JOURNAL OF FOREST SCIENCE, 53, 2007 (10): 452–461 Root system development and health condition of sycamore maple (Acer...

Ngày tải lên: 07/08/2014, 04:20

... in the research area, mean values of the estimate of the red deer population density were deter- mined in the Jelení hora hunting district in 2007 and 2008 using the FSC method, viz 24 ± 23 individuals·km –2 ... (2): 59–63 59 JOURNAL OF FOREST SCIENCE, 57, 2011 (2): 59–63 Red deer density in the air-polluted area of forest ecosystems in the...

Ngày tải lên: 07/08/2014, 10:21

... addition to them other roads also contain rural roads. e total length of single grades of forest transport roads in forests in the Czech Republic was rated dur- ing the forest inventory in the Czech ... classification forest transport roads are divided, in addition to grades, into forest roads and other roads leading through the forest. e...

Ngày tải lên: 07/08/2014, 10:21

... 887 c  INRA, EDP Sciences, 2006 DOI: 10.1051 /forest: 2006072 Original article Seasonal ionic exchange in two-layer canopies and total deposition in a subtropical evergreen mixed forest in central-south ... G. Zhang et al. Figure 5. Seasonal canopy leaching and uptake of ions in the top-canopy and sub-canopy in the Shaoshan forest during 2000–2002. t...

Ngày tải lên: 07/08/2014, 16:20

... 897 c  INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006073 Original article Genetic variation and genotype by environment interactions of juvenile wood chemical properties in Pinus taeda L. Robert ... properties of juvenile wood (ring 3) and transition wood (ring 8), respectively. Thin wafers (200 àm) from earlywood and latewood of ring 3 and ri...

Ngày tải lên: 07/08/2014, 16:20

... 10.1051/forest:2007018 Original article Unexpected disproportion observed in species composition between oak mixed stands and their progeny populations Monika D, Andrzej L * Institute of Dendrology, ... established from seeds gained from oak selected seed stands of mixed composition. We were inter- ested in changes in species composition o...

Ngày tải lên: 07/08/2014, 16:21

... Sciences, 2007 www.afs-journal.org DOI: 10.1051 /forest: 2007055 Original article Narrow genetic base in forest restoration with holm oak (Quercus ilex L.) in Sicily Concetta B a * , Miguel ... Genetic diversity in holm oak restoration 759 same linkage group in Quercus r obur [3], but their linkage in Q. ilex has never been studied. Accordi...

Ngày tải lên: 07/08/2014, 16:21

... shallow peatlands (mainly peaty gleys) have been planted with coniferous forests, mostly Sitka spruce (Picea sitchensis (Bong.) Carr) [3]. Afforestation on peaty soils may cause an increase in ... (stand ages between 2 and 34 years old) in Florida. Afforestation on natural grassland, clearfelling and replant- ing also caused changes in the soil bulk densities, main...

Ngày tải lên: 08/08/2014, 00:22

... minerals (mainly mica and kaolinite), and a low eCEC. The texture is loamy and, in the case of soils developed on granite, sandy. 2.3. Sampling and analysis of soils and plants In each of the plantations, ... 509517 â INRA, EDP Sciences, 2003 DOI: 10.1051/forest:2003044 Original article Nutrition and growth in newly established plantations of Eucalyptus gl...

Ngày tải lên: 08/08/2014, 01:21

... bal- samea). Can J Bot 59, 1285-1291 Neale DB, Adams WT (1985) Allozyme and mating- system variation in balsam fir (Abies balsamea) across a continuous elevational transect. ... estimate mating system parameters in one A borisii regis population and to try to explain the excess of heterozygotes found in the data from Fady and Conk...

Ngày tải lên: 08/08/2014, 18:21

... III). Fur- thermore, it can be noted that stool and Original article Sweet chestnut silviculture in an ecological extreme of its range in the west of Spain (Extremadura) A ... areas of the slopes of Gredos and Villuercas ranges. The productivity of these stands are far from that of the typical Eurosiberian chestnut forest...

Ngày tải lên: 08/08/2014, 18:22