理学 >>> 海洋科学 >>> 海洋物理学 海洋化学 海洋地球物理学 海洋气象学 海洋地质学 物理海洋学 海洋生物学 河口、海岸学 海洋调查与监测
搜索结果: 1-5 共查到海洋科学 headwater streams相关记录5条 . 查询时间(0.071 秒)
Primary production (PP), nutrient uptake, and carbon (C) cycling within epilithic biofilm communities were assessed in four headwater streams in the Arkansas Ozarks, U.S.A., representing a hundred-fol...
Despite their high abundance, secondary production, and known reliance on detrital material, the role of chironomids (Diptera) in fine particulate organic matter (FPOM) dynamics has not been well quan...
The objective of this project was to assess in-stream nitrogen removal capacity in a fragmented agricultural landscape and to compare removal capacities in streams with agricultural or residential (he...
The objective of this project was to assess in-stream nitrogen removal capacity in a fragmented agricultural landscape and to compare removal capacities in streams with agricultural or residential (he...
We measured whole-stream uptake of ammonium (NHz 4 ), nitrate (NO{ 3 ), and phosphate (as soluble reactive phosphorus [SRP]) in two reaches of three forested headwater streams eight times from Ma...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...