搜索结果: 1-2 共查到“林学 boreal aspen stands”相关记录2条 . 查询时间(0.031 秒)
Aspen regeneration, forage production, and soil compaction on harvested and grazed boreal aspen stands
forest grazing Peace River region forest soil
2009/2/11
The objective of our study was to determine the effects of timber harvesting and cattle grazing on aspen regeneration, forage production, and soil compaction on aspen cutblocks in the Peace River regi...
Relationships between stand parameters and understorey light in boreal aspen stands
Relationships stand parameters understorey light boreal aspen stands
2009/1/8
Data from six aspen stands in northeastern British Columbia ranging in age from 12 to 40 years were used to examine relationships between understorey light levels and stand attributes (basal area, sta...