搜索结果: 1-13 共查到“森林经理学 Research”相关记录13条 . 查询时间(0.156 秒)
Research on Ecological Compensation of National Parks Based on Tourism Concession Mechanism
protected natural areas ecological compensation concession Pilot Programs for Shennongjia National Park System
2023/11/20
The Chinese government has already proposed to build a nature protected area system composed mainly of national parks and encourages the development of concession operations in national parks. The est...
Detrending ability of several regression equations in tree-ring research: a case study based on tree-ring data of Norway spruce (Picea abies [L.])
radial increment growth functions empirical fitting tree-ring indices dendroclimatology
2015/3/27
The aim of this study was to investigate tree-ring width variability and to distinguish groups of trees with similar growth trends in order to study tree growth responses to various stand and site con...
Regeneration of forest stands on permanent research plots in the Krkonoše Mts
forest ecosystem forest regeneration Krkonoš e Mts. site and stand conditions structure and development of forest stands
2015/3/19
The article describes natural, combined and artificial regeneration on 38 permanent research plots in both Czech and Polish part of the Krkonoše Mts. The attention is paid to species composition,...
Horizontal structure of forest stands on permanent research plots in the Krkonoše Mts. and its development
Clark-Evans index forest stands Hopkins-Skellam index horizontal structure K-function Krkonoš e Mts. Pielou-Mountford index
2015/3/19
Horizontal structure on 38 permanent research plots is described for juvenile growth and developmental phases (natural seeding, advance growth, plantations) and tree layer of a parent stand. Hopkins-S...
Structure and development of forest stands on permanent research plots in the Krkonoše Mts.
forest development mountain forest structural diversity
2015/3/19
The research is focused on structure and development of forest stands from 5th to 8th forest vegetation zone in the Krkonoše Mts. The forest stand diversity according to tree species composition ...
State and development of phytocenoses on research plots in the Krkonoše Mts. forest stands
beech mixed and spruce stands classification Krkonoš e Mts. ordination state and development of phytocenoses
2015/3/19
The paper assesses the state and development of phytocenoses in beech, mixed and spruce stands on permanent research plots (PRP) 1–32 in the Krkonoše (Giant) Mts. in the years 1980–2005, i.e. dur...
Development of foliage biomass of young spruce and beech stands in the mountain water balance research area
Norway spruce European beech young stand
2015/3/16
The investigation of foliage biomass development including LAI and the growth of spruce and beech stands in the juvenile stage (age 1 to 21 years) represents a special complementary study to long-term...
Development of the primary values of yield tables of spruce in comparison with their development on permanent research plots
spruce yield tables yield curves
2015/3/3
Development of yield curves of mean and top height and development of mean diameter of the yield tables
of spruce is compared with their development on 28 permanent research plots with 156 repeated ...
Changes in trends of the height growth of spruce and pine derived from continuous measurements in forest management plans of Kostelec nad Černymi lesy and on pilot research plots in the Czech Republic
spruce pine mean stand height height growth trends current and mean height increment stand age year forest vegetation zones forest management plan (FMP) pilot research plots (PRP)
2015/2/2
In changing growth conditions, methodical procedures should concentrate on the investigation of processes currently under way in forests. Many studies have shown that present models of forest growth p...
Contemporary Role of Catchment Water Balance Data for Forest Evapotranspiration Research
catchment water balance evapotranspiration flux measurements sap flux measurements water cycle water yield
2009/8/27
Recently, catchment water balance measurements have not been used actively for examining forest evapotranspiration compared to process-based measurements based on meteorological and sap-flow methods. ...
Moving along the community–researcher continuum towards participatory research in British Columbia
social science research British Columbia community-based participatory research Arnstein’s
2009/2/11
With initiatives such as forest certification, innovative forest practices agreements, model forests, and
community forest pilots, gathering data on social and economic factors relating to natural re...
Operation Research Methods in The Forest Management Planning
Operation Research Methods Forest Management Planning
2009/1/23
The purpose of this study is to approximate the actual forest state to an aptimal forest state within different conversion period lenghts, to ensure the sustainability of allowable cut over planning h...
The Tropical Forest Research Institute, Jabalpur is one of the eight regional institutes under the Indian Council of Forestry Research & Education. The Institute came into existence in April 1988, alt...