Which ecosystem has highest productivity Upsc?

Tropical rainforest have highest primary productivity and is least in desert.

Which ecosystem has highest productivity?

In terrestrial ecosystems, tropical rainforests have the highest productivity.

Which one of the ecosystem has highest primary productivity?

Forest Ecosystem: It has the highest primary productivity.

Which ecosystem has highest biomass productivity?

Answer: Forest ecosystem have the maximum biomass, because it includes organisms of all tropic levels as compared to pond, lake or grassland ecosystem. In forest ecosystems productivity is also high that contributes to maximum biomass.

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 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.

Which is the largest ecosystem of the world?

The World Ocean is the largest existing ecosystem on our planet. Covering over 71% of the Earth’s surface, it’s a source of livelihood for over 3 billion people.

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Which ecosystem has highest biodiversity?

Coral reefs are believed by many to have the highest biodiversity of any ecosystem on the planet—even more than a tropical rainforest. Occupying less than one percent of the ocean floor, coral reefs are home to more than 25% of all marine life.

Why do coral reefs have high productivity?

Coral reefs’ high productivity has been attributed mainly to photosymbioses between the coral animal and algae of the family Symbiodiniaceae, with recognition that the host can increase algal photosynthesis by concentrating nutrients and enhancing the efficiency of light absorption.

Where is the GPP the highest?

The highest GPP values are in tropical regions (e.g. Amazonia, Central Africa and Southeast Asia) because of the wet and humid climate; and, the lowest GPP values are mainly in the arid regions of North Africa, West Asia and South America, as well as the cold and snow-covered regions (e.g. Greenland), due to the …

What are the two most productive aquatic ecosystems?

List two of the most productive ecosystems or aquatic life zones and two of the least productive. The two most productive are estuaries, swamps and marshes, and tropical rain forests. The two least productive are open ocean, tundra, and desert.