litterfall
基本解释
- 凋落物
英汉例句
- Pure eucalypt treatment had the highest amount of branch litterfall (4.818t/hm2 yr) and the pure acacia treatment had the highest amount of leaf litterfall (17.73 t/hm2 yr).
其中以桉树纯林的凋落枝最大，达4.;818t/hm~2yr，以相思纯林的凋落叶最大，达17 - The average biomass of these stands amounts to 41.456 t/ha,in which the biomass of arbor layer litterfall and undergrowth were 32.799, 7.247 and 1.41Qt/ha or 79.1,17.5 and 3.4% of the total stands, respectively .
其中乔木层、林下植物层和枯枝落叶层的生物量分别是32.;799、1 - The space distribution pattern of the litterfall layer was L>H+F, and the storage in H+F layer was more than 50% of the total amount. In the pine stand the total amount of litter-fall layer was 7884 Kg. hm~(-2), and 5776 Kg.
两林分枯枝落叶层各亚层贮量空间分布格局L - The total storage of C, N, P, K, Ca, Mg, Mn, Al and Fe in the CWD was 48699 t/hm 2, but return of elements to the forest ground in the litterfall only made up 7 77% of the nutrient storage of the CWD.
粗死木质物是森林中重要的养分库，其中的C、N、P、K、Ca、Mg、Mn、Al和Fe元素的总贮量达到48699 t/hm 2，每年通过凋落物方式积累于林地表的养分元素只占其总量的7.;77%25 - Total nitrogen (N) and organic carbon (C) in soil, forest floor and litterfall, and N mineralization rates were compared between pure and mixed Pinus luchuensis plantations on similar soils in the northern Okinawa Island, Japan.
对日本冲绳岛北部相同土壤条件下的琉球松纯林及其混交林的土壤氮素及有机碳素、地表凋落物量、枯枝落叶量以及土壤氮素矿化速率进行了比较研究。