amazonicum possess from estuarian
to freshwater populations distant from the sea, the pattern of dependence on brackish water and migration of the specie also seem to be dependent on their geographical localization,
While the volume of water drained would likely increase with increased erosion of the outlet, onset of modern estuarian
conditions can be determined from AMS dates and return of saline water to the area.
Organic-rich deposits ranging from shallow estuarian
to ocean floor varieties act as a significant sink for a number of redox-sensitive elements (e.
Ecological consequence of high aluminium content in acidified estuarian
(sic) waters: the case of tilapia fishes in lower Casamance (Senegal).
In its native Australian habitat it lives in brackish estuarian
waters, but Australis has been flying in fingerlings from Australia and raising them on its Turner Falls farm, where it has won praise from environmentalists because the fish are raised in clean, enclosed tanks.
Increasingly, there is concern about excess nitrogen (N) and the deterioration of estuarian
and ocean resources.
Dan Harman, a biologist at the University of Maryland Center for Environmental and Estuarian
Studies, and George Waring a zoologist at Southern Illinois University in Carbondale, both have studied how deer behave around highways.
The researchers measured the estuarian
concentration of several different isotopes of plutonium (Pu), which binds to small particles in the water.
They obviously will have the incentive to make sure they raise the money to purchase those prairie potholes and those Delta estuarian