搜索结果: 1-8 共查到“农学 Picea orientalis”相关记录8条 . 查询时间(0.062 秒)
Predicting soil erosion in oriental spruce (Picea orientalis (L.) Link.) stands in Eastern black sea region of Turkey
Soil loss tolerance tree line timberline subalpine zone
2011/1/12
Human induced pressures on the natural resources are still in progress and the conservation efforts, too. The need for sufficient knowledge and data for the decision makers is obvious. This study is a...
A distance-independent basal area growth model for oriental spruce (Picea orientalis (l.) Link) growing in mixture with oriental beech (Fagus orientalis Lipsky) in the Artvin region, North-East Turkey
Oriental spruce oriental beech Individual tree basal area growth model mixed species stands
2010/9/10
In this study, we developed an individual tree basal area growth model for oriental spruce (Picea orientalis (L.) Link) growing in mixture with oriental beech (Fagus orientalis Lipsky) in the Artvin, ...
Diameter at breast height-crown diameter prediction models for Picea orientalis
Crown diameter diameter-crown diameter model oriental spruce regression analysis
2010/9/10
Seven models for predicting crown diameter using diameter at breast height were tested for Picea orientalis L. (Link.) in Artvin. Data were obtained from 4208 trees measured on 117 temporary sample pl...
An Investigation on Internal Morphological Proporties of Sapwood and Heartwood of Oriental Spruce [Picea orientalis（L）Link.]
Internal Morphological Proporties Sapwood Heartwood Oriental Spruce
2009/1/23
In this study, sapwood and heartwood samples obtained from Oriental spruce growing naturally only in East Black Sea region were investigated. Trees of 36-44 cm diameter were obtained from the Karahav...
Influence of Stem Height on Internal Morphological Properties of Oriental Spruce [Picea orientalis（L.）Link.] Wood
Stem Height Internal Morphological Properties Oriental Spruce [Picea orientalis（L.）Link.] Wood
2009/1/16
In this study, the influence of stem height on the internal morphological properties of the Oriental spruce [Picea orientalis (L.) Link.] were investigated. Sample trees of 36-44 cm in diameter and 1...
Dendrochronology of the Oriental Spruce（Picea orientalis（L.）Link）in Turkey
Oriental Spruce（Picea orientalis（L.）Link） Turkey
2009/1/16
This study attempted to describe the variations in the annual growth of Oriental spruce and to give a mean annual ring curve using annual rings. Another purpose was to determine the standardized chro...
Litter Decomposition of Picea orientalis, Pinus sylvestris and Castanea sativa Trees Grown in Artvin in Relation to Their Initial Litter Quality Variables
Decomposition forest ecosystem litter quality lignin Artvin
2009/1/13
The aim of the present study was to determine the effects of the litter chemistry of spruce (Picea orientalis), pine (Pinus sylvestris) and chestnut (Castanea sativa) grown in the Artvin region on th...
Comparison of Decomposition Rates of Beech（Fagus orientalis Lipsky）and Spruce（Picea orientalis（L.）Link）Litter in Pure and Mixed Stands of Both Species in Artvin, Turkey
Decomposition litter quality beech spruce pure and mixed stands
2009/1/12
The decomposition of spruce, beech and mixed litters of spruce and beech was investigated over 3.5 years in beech, spruce and mixed (beech/spruce) stands using less than 1.5 mm mesh litter bags. Initi...