🌱 Oceanic Primary Productivity

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6 Terms

1
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Q: What is oceanic primary productivity?

A: Carbon fixed into organic matter by organisms.

2
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Q: What are two processes of primary productivity?

A: Photosynthesis and chemosynthesis.

3
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Q: What does ocean productivity depend on?

A: Nutrient availability and solar radiation.

4
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Q: Why is productivity low in tropical oceans?

A: Strong thermocline blocks upwelling of nutrients.

5
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Q: Why is productivity low in polar oceans?

A: Limited sunlight year-round.

6
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Q: When is productivity highest in temperate oceans?

A: During spring and fall.