Populations and metropolitan centers are accumulated in coastal areas around the world. In
view of the fact that they are geographically adjacent to coasts and intense anthropogenic …

BACKGROUND Oxygen concentrations in both the open ocean and coastal waters have
been declining since at least the middle of the 20th century. This oxygen loss, or …

To early explorers and fishermen, the ocean seemed to be limitless, teeming with vast
quantities of fish and other food organisms. However, as people got to know the ocean …

Coastal upwelling along eastern boundaries has fascinated oceanographers for decades.
The strong coupling between atmospheric forcing, ocean circulation, biogeochemical …

Marine photosynthetic plankton are responsible for approximately 50 petagrams (1015) of
carbon per year of net primary production, an amount equivalent to that on land. This …

Small pelagic fish (SPF) play extremely important ecological roles in marine ecosystems,
form some of the most economically valuable fisheries resources, and play a vital role in …

Coastal ocean upwelling ecosystems generally represent the most productive large marine
ecosystems of the world's oceans, in terms of both primary production rates and tonnages of …

Pore water and solid phase data for redox-sensitive metals (Mn, Fe, V, Mo and U) were
collected on a transect across the Peru upwelling area (11° S) at water depths between 78 …

Background In the southeastern tropical Pacific anchovy (Engraulis ringens) and sardine
(Sardinops sagax) abundance have recently fluctuated on multidecadal scales and food and …

We reconstructed a high‐resolution, alkenone‐based sea surface temperature (SST) record
spanning the last ca. 150 years, from a sediment core retrieved within the main upwelling …