Wetlands, rivers, lakes, and coastal estuaries are all aquatic ecosystems—critical elements of Earth’s dynamic processes and essential to human economies and health. Wetlands connect land and ...

Eutrophication is also associated with major changes in aquatic ... for marine ecosystems. Science 321, 926-929 (2008). Morris, J. G. Harmful algal blooms: an emerging public health problem ...

The skies over Saskatchewan are once again dotted with the sweeping silhouettes of bald eagles, as spring and summer draw the birds back to the province from America — an encouraging sign that local ...