Best answer: Which ecosystem is least productive?

Which ecosystem has least productivity?

Oceans contain lots of nutrients but they have no sufficient sunlight reaching in the deep areas, therefore, oceans have the least productivity among all ecosystems.

Is grassland a least productive ecosystem?

Low productivity is found in grassland. Very low productivity is present in deserts and arctic regions. In oceans and other aquatic ecosystems, productivity is limited by light as it decreases with depth.

What is the most productive ecosystem?

The most productive ecosystems are fertile estuaries and marshes, coral reefs, terrestrial vegetation on moist alluvial deposits, and intensive agriculture, which can have productivities of 10-25 × 103 kcal/m2/yr.

Which of the following ecosystem can be included in least productive category?

The least productive ecosystems are deserts and deep lakes.

Which ecosystem has lowest net primary productivity?

The highest net primary productivity in terrestrial environments occurs in swamps and marshes and tropical rainforests; the lowest occurs in deserts.

Which of the following is the least productive biome?

The biomes with the lowest levels of primary productivity include deserts, the tundra, the open ocean, and the lakes and streams biome.

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Is sugarcane field most productive ecosystem?

The most productive ecosystem are coral reef ecosystem due to structural complexity. It is also called as tropical rain forests. … Sugarcane is the most productive agroecosystem.

Which of the following is the area of least productivity?

Which of the following is the area of least productivity? Explanation: D The area of least productivity in the ocean is the area that does not receive any sunlight, so photosynthesis cannot occur. The area without any sunlight is called the aphotic zone.

What 3 ecosystems have the lowest productivity?

The biomes with the lowest levels of primary productivity include deserts, the tundra, the open ocean, and the lakes and streams biome.

Is Deep Sea a productive ecosystem?

Upwelling. The most productive waters of the world are in regions of upwelling. Upwelling in coastal waters brings nutrients toward the surface. Phytoplankton reproduce rapidly in these conditions, and grazing zooplankton also multiply and provide abundant food supplies for nekton.

Is coral reefs highly productive?

Coral reefs are among the most productive ecosystems on the planet, with the primary producers at the base of the food chain (including corals) supporting their complex food webs. … Although light provides the energy that fuels reef productivity, key nutrients such as nitrogen and phosphorus are also required.