What are the two most biologically productive habitats on Earth?

What are the two most productive ecosystems?

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 ecosystem is the most biologically productive?

Tropical rainforests have an emergent layer of tall trees over 40 m tall, an overstory of trees up to 30 m tall, a sub-canopy layer of trees and tall shrubs, and a ground layer of herbaceous vegetation. Tropical forests have the highest biodiversity and primary productivity of any of the terrestrial biomes.

What is biologically productive?

Definition of Biological productivity:

The quantity of organic matter or its equivalent in dry matter, carbon, or energy content which is accumulated during a given period of time.

Which 3 ecosystems have the highest productivity?

The world’s ecosystems vary tremendously in productivity, as illustrated in the following figures. In terms of NPP per unit area, the most productive systems are estuaries, swamps and marshes, tropical rain forests, and temperate rain forests (see Figure 4).

Which of the following is one of the most productive ecosystems on earth?

Wetlands are among the most productive ecosystems in the world, comparable to rain forests and coral reefs.

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Why are marshes so biologically productive?

Low or intertidal marshes are more productive than high marshes because of the increased exposure to tidal flow. … If you look at a salt marsh it has full sun, limitless water, and the sedimentary soil is generally rich in nutrients so you’d expect uniformly high production.

Which has the highest productivity?

In terrestrial ecosystems, tropical rainforests have the highest productivity.

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.

What are the different types of productivity in an ecosystem?

According to Odum there are three types of productivities – primary productivity, secondary productivity and community productivity.