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In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the
1) Decomposer microorganisms to the surface.
2) Nutrients to the surface.
3) Bottom-dwelling organisms to the surface.
Which of the statements given above is/are correct?
1) Decomposer microorganisms to the surface.
2) Nutrients to the surface.
3) Bottom-dwelling organisms to the surface.
Which of the statements given above is/are correct?
- a)1 and 2
- b)2 only
- c)2 and 3
- d)3 only
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
In the context of ecosystem productivity, marine upwelling zones are i...
Importance of Marine Upwelling Zones in Ecosystem Productivity
Marine upwelling zones are areas in the ocean where deep, nutrient-rich waters are brought to the surface. These areas are important for ecosystem productivity, as they increase the availability of nutrients to support primary production. Let's discuss the importance of marine upwelling zones in detail below.
Nutrient Enrichment
One of the main reasons why marine upwelling zones are important for ecosystem productivity is the nutrient enrichment they provide. Upwelling brings nutrient-rich water from the deep ocean to the surface, where sunlight is available for photosynthesis. These nutrients, including nitrogen, phosphorus, and iron, are essential for the growth of phytoplankton, which form the base of the marine food web.
Increased Primary Production
The increased availability of nutrients in upwelling zones leads to higher rates of primary production. Phytoplankton, which are photosynthetic microorganisms, use the nutrients and sunlight to grow and reproduce. As a result, upwelling zones have high levels of primary productivity and support a diverse range of marine life.
Fisheries Productivity
Marine upwelling zones are also important for commercial fisheries productivity. The nutrient-rich waters support the growth of phytoplankton, which are consumed by small zooplankton, which in turn are eaten by larger fish and other marine organisms. The increased availability of food in upwelling zones can lead to higher fish populations and more productive fisheries.
Conclusion
In summary, marine upwelling zones are important for ecosystem productivity due to the nutrient enrichment they provide. The increased availability of nutrients supports the growth of phytoplankton, leading to higher rates of primary production and supporting a diverse range of marine life. Additionally, upwelling zones are important for commercial fisheries productivity, as they can support higher fish populations and more productive fisheries.
Marine upwelling zones are areas in the ocean where deep, nutrient-rich waters are brought to the surface. These areas are important for ecosystem productivity, as they increase the availability of nutrients to support primary production. Let's discuss the importance of marine upwelling zones in detail below.
Nutrient Enrichment
One of the main reasons why marine upwelling zones are important for ecosystem productivity is the nutrient enrichment they provide. Upwelling brings nutrient-rich water from the deep ocean to the surface, where sunlight is available for photosynthesis. These nutrients, including nitrogen, phosphorus, and iron, are essential for the growth of phytoplankton, which form the base of the marine food web.
Increased Primary Production
The increased availability of nutrients in upwelling zones leads to higher rates of primary production. Phytoplankton, which are photosynthetic microorganisms, use the nutrients and sunlight to grow and reproduce. As a result, upwelling zones have high levels of primary productivity and support a diverse range of marine life.
Fisheries Productivity
Marine upwelling zones are also important for commercial fisheries productivity. The nutrient-rich waters support the growth of phytoplankton, which are consumed by small zooplankton, which in turn are eaten by larger fish and other marine organisms. The increased availability of food in upwelling zones can lead to higher fish populations and more productive fisheries.
Conclusion
In summary, marine upwelling zones are important for ecosystem productivity due to the nutrient enrichment they provide. The increased availability of nutrients supports the growth of phytoplankton, leading to higher rates of primary production and supporting a diverse range of marine life. Additionally, upwelling zones are important for commercial fisheries productivity, as they can support higher fish populations and more productive fisheries.
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Community Answer
In the context of ecosystem productivity, marine upwelling zones are i...
Explanation: Marine upwelling zones are one of the most productive fishing grounds in the world (Japanese coast, Newfoundland) because in this zone the hot waters are replaced by the lower cold waters due to tidal action which bring the vast nutrients from ocean deep to the surface enhancing species richness and productivity..
- Statements 1 and 3 are incorrect because microorganisms at surface decreases oxygen creating abnoxic conditions and consequently dead zones. Bringing organisms from depth increases competition resulting in declining productivity.
Educational Objective: To understand why only some locations are the largest fishing grounds in the world and reasons for their distribution.
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