They are almost always an important component of aquatic ecosystems.

The entry of chemicals and drugs into the aquatic ecosystem is a more serious concern today.

This combustion material is known to stress aquatic ecosystems in two ways.

The lake is presently healthy and has a balanced aquatic ecosystem.

Stream temperatures are likely to increase, which will harm aquatic ecosystems.

We don't know exactly why the aquatic ecosystems become so over-balanced and this is an area of 'hot' research.

In both land and aquatic ecosystems, the role played by detritus is too large to ignore.

Algae are important plants as primary producers in aquatic ecosystems.

In large enough quantities, I think that both of these can have some detrimental effects on an aquatic ecosystem.

An aquatic ecosystem is an ecosystem in a body of water.

Furthermore, these transfers can have significant environmental impacts on aquatic ecosystems at the source.

Like many other Aquatic ecosystems, rivers too are under increasing threat of pollution.

These ecological changes in turn impact many recreational and commercial activities dependent on aquatic ecosystems.

Invasive species can cause environmental and economic damage to terrestrial or aquatic ecosystems.

The effect of increased sediments loads on aquatic ecosystems can be catastrophic.

A new exhibit complex focused on Africa's aquatic ecosystems is also still in the planning stages.

Dr Smith has also carried out his own studies focusing on aquatic ecosystems in the zone.

Marine ecosystems are among the largest of Earth's aquatic ecosystems.

Rapid temperature changes can be stressful to aquatic ecosystems.

He lived in France and was active in preserving aquatic ecosystems.

These chemicals can lead to a variety of organism poisoning and aquatic ecosystem disturbance.

Potamogeton species are found worldwide in many aquatic ecosystems.

It can easily invade similar aquatic ecosystems when it is introduced.

Dredging can create disturbance in aquatic ecosystems, often with adverse impacts.

In aquatic ecosystems, species such as algae experience a population increase (called an algal bloom).