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12 Cards in this Set

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  • Back

How much (%) doe marine plankton contribute towards global primary productivity (GPP)?

50 %

Where within the food web do phytoplankton operate?

They are the base in open water systems, particularly in marine systems.

What do they convert inorganic nutrients to?

Organic compounds and biomass.

In addition to primary production (PP), there is also a high concentration __________ around coasts.

Chlorophyll a

How can PP be divided, categorically speaking?

New and regenerated PP.

What is a notable inorganic nutrient plankton use that is out of the biological cycle for an extended period?

Nitrate.

How are they thought to combat global warming?

Net removal of CO2 to sediments.

Sarmineto & Gruber, 2006.

High nitrate concentrations in Antarctic ocean and off west coast of Alaska, in addition to silicon and phosphorus.

Nutrients are rapidly recycled within this food web.

Microbial.

Microbial food web consists of...

Bacteria, pico/nano phytoplankon and microzooplankton.

Metazoan food web consists of...

Nano/micro phytoplankton, mesozooplankton, fish.

The metazoan food web uses new nutrients which requires physical processes, such as...

Upwelling.