Báo cáo lâm nghiệp: "Saturated hydraulic conductance of forest soils affected by track harvesters" ppsx

... 321 Saturated hydraulic conductance of forest soils affected by track harvesters K. R 1 , P. H 1 , V. K 2 , A. K 1 , P. D 1 , P.F 1 , V. V 1 1 Department of Geology ... and sam- pling of the examined forest soil profiles with uni- form metal cylinders were carried out. Saturated hydraulic conductivity of forest soils affected...

Ngày tải lên: 07/08/2014, 10:21

... properties of initial soils on the outside spoil bank of the Bełchatów brown coal mine M. P, W. K Department of Forest Ecology, Faculty of Forestry, Agricultural University of Cracow, ... criteria of the assessment of the efficiency of land reclamation methods used (S 1958; W 1975; B, W-  1976). e initial soils, which can be includ...

Ngày tải lên: 07/08/2014, 03:22

... Revitalization of the soil environment of mounds in the 7 th Forest Vegetation Zone of the Ore Mountains with the proposal of other measures for forest regeneration. Výzkumný projekt Grantové slu by ... mountain forest soils. In: M K. (ed.): Investigation of the Forest Ecosystems and of Forest Damage. Prague, IDS: 178–185. P V. 1998: Earthworms (Oligocha...

Ngày tải lên: 07/08/2014, 10:21

... Develop- ment of forest soils in the Krkonoše Mts. in the period 1980–2009. Journal of Forest Science, 56: 485–504. M T. (2006): Modelling the structure and development of forest stands ... 130 years as result of changing genera- tions of beech. In Krkonoše Mts. the largest reported tree is silver fi r with 182 cm of dbh and 58 m of height. Total volume of forest...

Ngày tải lên: 07/08/2014, 10:21

... Hollinger DY, Byers JN, Hunt JE, McSeveny TM, Weir PL (1992) Tran- spiration and canopy conductance in a pristine broad- leaved forest of Nothofagus: an analysis of xylem sap ... less favourable sun exposure of the leaves. Dependence of canopy conductance on leaf area index In order to evaluate the effect of leaf area index on the canopy...

Ngày tải lên: 08/08/2014, 18:21

Ngày tải lên: 07/08/2014, 03:22

... increase of the size of salvage cuttings (including the removal of in- fested trees) the area of stands affected by the forest decline increased too (Fig. 2). In 2003 (the first year of the last ... METHODS e assessment of the intensity and dynamics of the dying of stands was carried out on the basis of the data collected in the SILP System (the Information System o...

Ngày tải lên: 07/08/2014, 03:22

... only to families. All specimens were identified by authors and revised by Vladimír Kalina (Faculty of Forestry and Wood Sciences, Czech Uni- versity of Life Sciences Prague, Czech Republic). At ... T Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic ABSTRACT: Predation by natural enemies was studied as mortality facto...

Ngày tải lên: 07/08/2014, 03:22

... Outbreaks of Cephalcia spp. (Hymenoptera, Pamphiliidae) in spruce stands on the territory of the Czech Republic. In: BRUNNHOFER V., SOLDÁN T. (eds), Book of Abstracts. VI th European Congress of ... J., 2006. Impact of defolia- tion caused by the sawfly Cephalcia lariciphila (Hyme- noptera: Pamphiliidae) on radial growth of larch (Larix decidua Mill.). European Journal of...

Ngày tải lên: 07/08/2014, 03:22

... methods of assess- ment of risk caused by these insects (K, K 1995; J 1999). is paper presents the current state of knowledge about the occur- rence of individual species of ... (Poland) M. J Department of Forest Management in Mountain Regions, Forest Research Institute, Cracow, Poland ABSTRACT: is article presents a review of data and results...

Ngày tải lên: 07/08/2014, 03:22