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Biogeochemical Controls and Feedbacks on the Ocean Primary Production

Biogeochemical Controls and Feedbacks on the Ocean Primary Production

Biogeochemical Controls and Feedbacks on the Ocean Primary Production. Carbon Cycle. Marine Biota. Export Production. Export Production of Organic Carbon. Ocean Ecosystem Structure. Trophic levels and dynamics. Ocean Ecosystem Structure. Example of a more complex Food Web.

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657 views • 48 slides
What is a nutrient?

What is a nutrient?

What is a nutrient?. Why study nutrients? Basic control over ecosystem structure and function Constrains productivity of the biosphere Constrains production of food and fiber Agriculture and N deposition has altered global N cycle

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382 views • 38 slides
Plankton and Productivity

Plankton and Productivity

Georgia Institute of Technology. Biological Oceanography. Plankton and Productivity. Phytoplankton Diversity Nutrients and light Primary production New production. Fig. 1. Examples of representative marine eukaryotic phytoplankton.

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712 views • 24 slides
The Nitrogen Cycle

The Nitrogen Cycle

The Nitrogen Cycle. Sources of Nitrogen N is abundant on earth, but only about 2% is available to organisms as reactive nitrogen (NO x , NH x , Org N) N is made available by Nitrogen-fixation and by fertilizer production Gaseous N 2 ? NO 3

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466 views • 16 slides
High Resolution In Situ Study of Nutrient Loading and Estuarine Response in the Columbia River

High Resolution In Situ Study of Nutrient Loading and Estuarine Response in the Columbia River

1,2 Melissa Gilbert , 1,2 Needoba, J., 3 Koch, C., 3 Barnard, A., 2 Baptista, A. 1 Oregon Health and Science University 2 The Center for Coastal Margin Observation and Prediction 3 WET Labs. Results:. Research Question

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59 views • 1 slides

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