نتایج جستجو برای: felling error
تعداد نتایج: 254641 فیلتر نتایج به سال:
Felling and skidding damage to residual trees following selection cutting in Caspian forests of Iran
The Bremen-Cog was dated by dendrochronology in the 1960s when discipline its infancy. felling date of winter 1378/79 Weser Uplands established and confirmed 2007. In 2016 a new comprehensive analysis ship made possible. All analysed samples are from trees likely felled last quarter 14th century direct hinterlands Bremen. Furthermore, an attempt at tree morphology reconstruction detailed invest...
Cryphalus asperatus (Coleoptera: Curculionidae, Scolytinae) is described as an exceptional but important secondary pest of Norway spruce seedlings. Of the 10 000 seedlings transported to one location in Ore Mountains, Central Europe 2020, total 1 500 were killed by C. asperatus. The infestation and death probably resulted part from substantial local increase abundance after sanitation felling m...
The response of forests and terrestrial ecosystems to disturbance is an important process in the global carbon cycle in the context of a changing climate. This study focuses on the effect of selective felling (thinning) at a managed forest site. Previous statistical analyses of eddy covariance data at the study site had found that disturbance from thinning resulted in no significant change to n...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید