搜索结果: 1-4 共查到“lowland river”相关记录4条 . 查询时间(0.093 秒)
We examined the dispersal of larvae (glochidia) of a common unionid mussel species, Actinonaias ligamentina,
which need to attach to a host fish in order to develop into juveniles, in a lowland river...
Analysis and simulation of nutrient retention and management for a lowland river-lake system
nutrient retention lowland river-lake system European Water Framework Directive
2009/5/13
In the context of the European Water Framework Directive, we studied the possible impact of reduced emissions on phosphorus and nitrogen concentrations in a lowland river-lake system (Havel River, Ger...
Evidence for the role of methane-derived carbon in a free-flowing, lowland river food web
a free-flowing methane-derived carbon
2014/4/17
We measured the d13
C values of dominant primary consumers and their potential food sources in a
groundwater-fed lowland river. The d13
C of most consumers, such as Gammarus and Simulium, reflected...
Importance of long-term monitoring for detecting environmental change:lessons from a lowland river in south east England
long-term monitoring environmental change lowland river south east England
2010/1/18
Rising nitrate concentrations in rivers and groundwater in regions with intensive agriculture have been of concern for several decades. Long records of nitrate concentration are rare; in the UK, few p...