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- humus under forest floor 林地腐殖质
- A carpet of leaves and pine needles on the forest floor. 森林覆被上一层厚厚的落叶和松针
- The forest floor was carpeted with wild flowers. 森林的地面上开满了野花。
- That was the other essential trick: to locate a really small nest hidden under the natural camouflaged debris of the forest floor. 找出被森林地被物自然掩盖了的真正小蚁窝,是另一个必不可少的技巧。
- Fallen leaves covered the forest floor; sat on a fallen tree trunk. 落下的树叶覆盖了森林的地面;在倒下的树干上坐着。
- But chitin deposits never build up on the sea or forest floor. 但是,甲壳素沉积从来没有积累成海洋或森林有机质层。
- The forest floor had a thick matting of pine needles. 森林的地面上铺着一层厚厚的松针做的席子
- Piles of fallen leaves carpeted the forest floor with gold. 成堆的落叶为森林中的地面铺上了一层金黄色的毯子。
- Habitat and Ecology: On rocks covered with litter under forest, alt. ca.300 m. Flowering: Mar.- May. 生境与生态:生于溪旁林下有腐殖土的岩石上,海拔约300米。花期:3-5月。
- At the level of all species, the means mercury content of macrobenthos in creek was higher than that under forest. 在所有动物水平上,潮沟动物汞平均含量高于林内。
- Habitat and Ecology: On rocks covered with litter under forest, alt. ca.300 m. Flowering: Mar.-May. 生境与生态:生于溪旁林下有腐殖土的岩石上,海拔约300米。花期:3-5月。
- The metal contents in the macrobenthos were slightly higher under forest than in the creek. 在动物总体水平上,林内动物重金属含量稍高于潮沟动物。
- At the level of species categories, the means mercury contents of macrobenthos at each sample point were higher in the creek than that under forest. 在动物类别水平上,各滩的潮沟样地动物中的汞含量均值均大于相应林内样地动物。
- The uppermost layer of the forest floor consisting chiefly of fallen leaves and other decaying organic matter. (树林里的)枯枝落叶层森林地表的最上一层,主要由落叶和其他有机物组成。
- Under forest management and protection program, every year they have to cut from 80000 to 150000 m3 of wood and replant it. 在森林管理及保护条例制约下,他们每年将砍伐80000-150000立方米的树木,随后续种。
- He spread the photostated military map out on the forest floor and looked at it carefully. 他在地上摊开影印的军用地图,仔细端详。
- An international team gathered chimpanzee waste from the forest floor in areas of southern Cameroon. 一个国际性的研究团队从喀麦隆的南部地区的森林地面上采集来猩猩的粪便。
- It showed that the metal contents in the sediments were higher than in the creek under forest,and positively correlated with the contents of the organic matter in the sediments. 结果表明:沉积物重金属含量比潮沟的高; 沉积物中的重金属含量与有机质含量存在显著正相关关系;
- Camouflaged by its colors and patterns, an extremely venomous Gabon viper is barely visible on the forest floor. 一只剧毒加蓬毒蛇依靠它身体颜色和花纹的伪装,在森林的地面上它几乎无法被辨认出来。
- However, The Mongolian pine height, density and the height and covering degree of grass under forest highly was not remarkable relevance with BSD respectively. 樟子松林的胸径和森林的郁闭度与鸟类多样性呈显著的正相关,树的高度、密度、森林下草的高度和盖度与鸟类多样性相关性不显著。