研究了不同立地条件下落叶松树冠各个方向的净光合速率、呼吸速率、日进程及季节进程。

Diurnal and seasonal processes of net photosynthetic rate and respiration rate of directions of crown of Larch at different site conditions were studied.

youdao

第7间小屋位于一棵高大的松树树冠上，离地10米高，由12个柱子进行支撑，可欣赏到瑞典拉普兰、吕勒河和北极光的景色。

Set 10 metres above the forest floor in the crown of a tall pine tree and supported by 12 columns, the 7th Room provides views out over Swedish Lapland, to the Lule River and of the aurora borealis.

youdao