fir forest

基本解释

The accumulation quantity of litter of Chinese fir forest and its undergrowth plant at different site indices and forest ages also existed obvious difference.
不同地位指數和不同林齡杉木及其林下植物的凋落物積累量也存在明顯差異，杉木凋落物積累量隨林齡的增大而增加。
Meanwhile, all the optimum and potential distributing regions of Larix gmelinii, Spruce fir forest and Pinus koraiensis have the tendency of moving northwards.
同時，分佈於大興安嶺的興安落葉松、小興安嶺及東部山地的雲冷杉和紅松等樹種的可能分佈範圍和最適分佈範圍均發生了北移。
Using typical sampling method, the paper studies the composition and important value of plant species in subalpine spruce fir forest on northern slope of Changbai Mts.
採用典型抽樣方法，對長白山北坡不同海拔高度帶雲冷杉林的植物種類組成及重要值進行了初步研究。

And then move up into Ponderosa pines, then in upper elevations spruce and fir forest, and then finally to some sort of alpine tundra up at the top.
NPR: Warming Will Create Micro-Climates, Scientists Say
It was a damp day and, after he had parked the van and set off down the forest track, even the noise of the Edinburgh-Glasgow motorway was muffled by thick, dark fir trees.
ECONOMIST: Robert Taylor