In marine waters the most productive systems are brown algal beds, seagrass beds and coral reefs. The kelps, brown algae of the genera Laminaria and Macrocystis, form dense forests in the sublittoral zone of rocky coasts in cool waters.
What aquatic ecosystem is the most productive?
In the aquatic ecosystem, coral reefs show the highest gross primary productivity. Large numbers of aquatic phototrophs and phytoplankton contribute to the productivity of the ecosystem.
Which of the following marine ecosystem is the most productive one?
The answer is coral reef ecosystem .
What is the most productive type of aquatic ecosystem quizlet?
The most productive marine habitats are in the open ocean.
What is a marine or aquatic ecosystem?
Powered by. Encyclopedic Entry Vocabulary. Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean. Marine ecosystems are defined by their unique biotic (living) and abiotic (nonliving) factors.
Which is the most productive ecosystem?
Tropical rainforests show the highest productivity in terrestrial ecosystems.
What does it mean that an ecosystem is most productive?
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).
What is the productivity of aquatic ecosystem?
The productivity of aquatic systems has been given two meanings in the literature: either the transfer of matter or energy through the food web, or the quantity of fish that may be captured in a sustainable way per unit of time.
What is marine productivity?
What is Ocean Productivity? Ocean productivity largely refers to the production of organic matter by “phytoplankton,” plants suspended in the ocean, most of which are single-celled. … “Secondary production” (SP) typically refers to the growth rate of heterotrophic biomass.
Why are coral reefs the most productive ecosystems?
The coral reefs are known to possess the most productive ecosystem on the earth. … The animals living under the coral reefs swiftly filter the water and allow planktonic organisms to grow, and these plankton get enough sunlight to grow.
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.
Are the most productive marine habitats are in the open ocean?
The most productive marine habitats are in the open ocean. Algae uses all the energy in sunlight to perform photosynthesis.
What is the least productive aquatic marine ecosystem?
|Plankton form what part of the marine food web||base|
|the least productive marine ecosystem is the||open ocean|
|excessive nutrient growth in an aquatic ecosystem can be accelerated by||runoff|
|barnacles are a type of this and are bottom dwelling organisms||benthos|