搜索结果: 1-14 共查到“林学 Studies”相关记录14条 . 查询时间(0.167 秒)
The Strong Position of Silver Fir (Abies alba Mill.) in Fertile Variants of Beech and Oak-Hornbeam Forests in the Light of Studies Conducted in the Sudetes
ecology silviculture phytosociology habitat preferences
2023/12/18
Silver fir is one of the longest living and tallest trees in Europe, it has major commercial importance and may be found in various communities predominantly connected with lower mountainous locations...
Studies on genome size estimation, chromosome number, gametophyte development and plant morphology of salt-tolerant halophyte Suaeda salsa
Soil salinization Suaeda salsa Gametophyte Chromosome Genome
2024/2/5
Soil salinization and alkalization are among the major agricultural threats that affect crop productivity worldwide, which are increasing day by day with an alarming rate. In recent years, several hal...
Findings regarding ectotrophic stability of Norway spruce forest of the Krkonoše and Orlické Mountains based on mycorrhiza studies
forest ectotrophic stability species spectrum of macromycetes mycorrhizae root defoliation Picea abies
2015/3/27
Analyses of root mycorrhizal samples and monitoring of fruiting bodies of macromycetes from Norway spruce stands at mountain and foothill localities in the Krkonoše and Orlické Mts. provided seve...
Community Service Learning Through the Lens of Applied Field Studies in Guatemala, Central America
Community Service Learning Applied Field Studies Guatemala Central America
2014/11/19
How can landscape architects and planners apply the skills acquired through our academic training – and in the work we pursue in our careers – with the needs of underprivileged communities? This resea...
Studies on the Work Load of the Aged Worker in Citrus Tree Fields
aged worker work load cirtrus tree fields
2010/12/2
The work load of aged worker (a male, 78years) worked in the citrus tree fields was investigated as a case study. The results obtained were as follows.
1) The average RMR (Relative metabolic rate) of...
Studies on Dynamic of Dominant Populations in Dinghushan Forest in Succession
Dinghushan forest succession dynamic dominant population
2009/9/22
The forest successional process is characterized by the dynamic of dominant populations in different
successional stages.In this paper,the dynamic of main dominant populations in the succes—
sion pr...
Perspectives for the Studies of Pine Wilt Disease in the 21st Century
Perspectives Studies Pine Wilt Disease
2009/8/28
Perspectives for the Studies of Pine Wilt Disease in the 21st Century.
Studies of Tree Architecture:Linking Tree Physiology and Forest Community Dynamics
canopy structure life-history strategy module morphological plasticity succession
2009/8/28
Tree architecture represents various ecological and physiological functions, such as acquisition of light, spatial distribution of vegetative and reproductive organs and pathway for water and nutrient...
Cytological and Genetical Studies on Male Sterile Sugi (Cryptomeria japonica D.Don),Shindai 1 and Shindai 5
Cryptomeria inheritance male sterility pollen
2009/8/24
Male sterile sugi (Cryptomeria japonica D. Don) trees, “Shindai 1,” “Shindai 5,” were found in Niigata Prefecture, Japan. There were no significant differences in the appearances of male flowers and n...
A Review of Studies on Forest Tourism and Recreation Initiated from 1945 to 1970’s in Japan
post World War II study review tourism and recreation
2009/8/24
A review of the literature in terms of forest tourism and recreation after World War II was done using the FOLIS database. This result shows that studies were sporadically done from the 1940’s to 1960...
Morphological Studies of 2+0 Anatolian Black Pine Stocks Grown in Eskişehir, Eğirdir and Seydişehir Forest Nurseries
2+0 Anatolian Black Pine Eskiş ehir Eğ irdir Seydiş ehir Forest Nurseries
2009/1/16
Two year-old nursery stocks of Anatolian black pine (Pinus nigra Arnold subsp. pallasiana (Lamb.) Holmboe) from nine provenances were examined for morphological properties such as height, root collar...
Archaeobotanical and Dendroarchaeological Studies in Ilgarini Cave(Pınarbaşı, Kastamonu, Turkey)
Ilgarini cave archaeobotany dendrochronology dendroarchaeology dating Turkey
2009/1/13
With its historical remains and beautiful travertine formations, Ilgarini cave is important in terms of archaeobotany and natural sciences. In the left part of the cave there are 2 temples and 11 gra...
Visual Resource Management in British Columbia - Part I:The effects of visual resource management on timber availability: A review of case studies and policy
Visual Resource Management British Columbia timber availability
2009/1/8
This paper explores relationships between visual resource management (VRM) and timber availability in the context of recent findings and current VRM policy in British Columbia. Selected North American...
Dr. Clive G. Jones,Senior Scientist, Institute of Ecosystem Studies,Millbrook,NewYork(图)
Institute of Ecosystem Studies Senior Scientist oak forests ecological
2008/10/27
Dr. Clive G. Jones,Institute of Ecosystem Studies,Millbrook,NewYork, research focuses on ecosystem engineering by species. He also studies complex interaction webs in oak forests (The Acorn Connection...