搜索结果: 1-11 共查到“林学 forest district”相关记录11条 . 查询时间(0.14 秒)
Red deer density in the air-polluted area of forest ecosystems in the Krušné hory Mts. – Klášterec nad Ohří Forest District
deer count pellet group red deer
2015/3/27
The density of red deer in the area of forest ecosystems disturbed by air pollution in the Krušné hory Mts. – Klášterec nad Ohří Forest District was determined in two model hunting dist...
Forest floor and soils in limed stands of substitute species in Klášterec nad Ohří forest district in the Krušné hory Mts.
forest floor Kruš né hory Mts. liming soil stands of substitute species
2015/3/27
Forest ecosystems of the Krušné hory Mts. affected by long-term air pollution were finally disintegrated. The tree species composition has been changed in ecosystems disturbed in this way. Liming...
The first reaction of soil mite fauna (Acari, Mesostigmata) caused by conversion of Norway spruce stand in the Szklarska Por阞a Forest District
Mesostigmata mites forest conversion
2015/3/16
To observe the first reaction of Mesostigmata mites for conversion of even aged spruce stands under conversion with common beech and silver fir, four pairs of experimental plots directly neighbouring ...
Production potential of Douglas fir in acid sites of H鵵ky Training Forest District, Secondary Forestry School in P韘ek
Douglas fir Norway spruce Scots pine
2015/3/16
The study is a follow-up of the production potential of Douglas fir in mesotrophic sites of the K鴗iny Training Forest Enterprise (TFE) (Journal of Forest Science, No. 7, 2008). Production parameters (...
Humus conditions of stands with different proportion of Douglas fir in the H鵵ky Training Forest District and K鴗iny Training Forest Enterprise
species composition soil forest floor reserves
2015/3/16
The paper presented evaluates reserves and chemical composition of forest floor of three stands of Douglas fir, spruce and spruce with beech at acid sites (3K) in the H鵵ky Training Forest District (TF...
Natural regeneration of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) in forest stands of Hurky Training Forest District, Higher Forestry School and Secondary Forestry School in Pisek
self-seeding advance growth radiation
2015/3/6
Possibilities are assessed of the natural regeneration of Douglas fir under conditions of Hůrky Training Forest District, Higher Forestry School and Secondary Forestry School in Písek, in stand 1...
Determination of performance evaluation criteria’s in forestry organization: A Turkish forest district case study
Performance evaluation performance evaluation criteria forest district
2011/1/12
Performance Evaluation has become a favoured topic in recent years. Particularly, there has been a remarkable augmentation of organizations using this kind of management agent for two decades.
Bald eagle nest site and nest tree characteristics in select biogeoclimatic zones of the 100 Mile House Forest District, British Columbia
100 Mile House Forest District bald eagles biogeoclimatic zones nest sites nest trees
2009/2/11
Bald eagle (Haliaeetus leucocephalus) nest site and nest tree characteristics were studied in the Sub-Boreal Spruce (SBS), Interior Cedar–Hemlock (ICH), Sub-Boreal Pine–Spruce (SBPS), and interior Do...
Economic overview of the Robson Valley Forest District
economics forestry tourism economic indicators Robson Valley Forest District
2009/2/6
The principal objectives of this study were to chronicle the hybrid approach to data collection adopted to formulate a regional economic overview of the Robson Valley Forest District (RVFD), and to su...
An Investigation on the Logging Machines from the Economical and the Technical Point of View at Giresun Forest District
Logging Machines Economical and the Technical Point of View Giresun Forest District
2009/1/23
In forestry, transportation of harvested woods from compartments is very difficult, expensive and time-consuming task. Forests covering generally high and steep slopes of mountainous areas in Eastern ...
Predicting the risk of wet ground areas in the Vanderhoof Forest District:Project description and progress report
groundwater mountain pine beetle risk assessment risk indicators soil hydrology water balance
2009/1/8
The mountain pine beetle epidemic is changing British Columbia forests and watersheds at the landscape scale. Watersheds with dead-pine-leading stands in the Vanderhoof Forest District of central Brit...