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...convert|3|lb|kg|abbr=on}}. They are often a dirty gray color on top, with white undersides. ...sh are also found in [[Brackish water|brackish]] [[Estuary|estuaries]] and river mouths where the bottom is sandy or muddy,<ref>{{cite web|url= http://www. ...

...9 |issn=0031-0182}}</ref> which is slightly younger than the Dingjia'ergou fauna.<ref>{{Cite journal |last1=Sun |first1=Zhiqian |last2=Han |first2=Aili |las ...'enbao Formation of [[Tongxin County|Tongxin]], Ningxia. The Dingjia'ergou fauna to which it belongs corresponds to the European MN5-6. It is a primitive me ...

...xing caused by the water currents which are driven by the tides, wind, and river inflow.<ref name="Wolanski" /> ...e upper layer of [[freshwater]] and the bottom layer of [[saline water]]. River water dominates in this system, and tidal effects have a small role in the ...

...communities, ecohydraulics-modeling predicts how hydraulic conditions in a river change, under different development scenarios, the aquatic habitat of speci ...impacts of human-induced changes of water flow and sediment conditions in river ecosystems...<ref>{{Cite journal |last1=Casas-Mulet |first1=R. |last2=King ...

...ater from intruding saltwater.<ref name="van Hengstum-2019" /> Horizontal white “bathtub ring” stains are observed in submerged sections of Green Bay Cave, ...prevents photosynthesis. These dark cave systems are often classified as [[River ecosystem|allochthonous]] [[detritus]] because the dominant input of organi ...

...irst1=Kenneth Ernest |last2=Foster |first2=Ralph C. |year=2003 |title=Soil fauna and soil structure |journal=[[Australian Journal of Soil Research]] |volume ...oscopic tunnels (micropores) that break up peds.<ref>{{cite journal |last1=White |first1=Rosemary G. |last2=Kirkegaard |first2=John A. |journal=[[Plant, Cel ...

...fertilizer being carried off agricultural fields and funnelled down the [[river system]] to the [[Gulf of Mexico]]. Runoff also plays a part in the [[carbo ...oves an immense volume of water—more than 100 times the flow of the Amazon River (Ross, 1995). The conveyor belt is also a vital component of the global oce ...