'water ecosystem' is a correct and usable phrase in written English.
You can use it when referring to a body of water and the natural ecosystem associated with it. For example, you could write, "The health of the ocean's water ecosystem is greatly impacted by human activity."
See inland water ecosystem for information on lacustrine life-forms.
Inland water ecosystem, complex of living organisms in free water on continental landmasses.
As an important water ecosystem index, environmental flows (e-flows) are crucial for maintaining sustainability.
For information concerning the plant and animal forms that inhabit the riverine environment, see inland water ecosystem.
The troubles besetting India's water ecosystem are as complex and intertwined as the arms of its infamous Ganges River.
The negotiations are focused on repairing the state's fragile water ecosystem, unleashing new water supplies and increasing water conservation throughout the state.
Seasonal budgets of carbon and water, ecosystem-scale water-use-efficiency (the ratio of net ecosystem exchange to evapotranspiration) and inherent water-use-efficiency (ecosystem water-use-efficiency × vapour pressure deficit) were also examined.
In order to improve water quality and ecosystems health, the focus of river ecological restoration and water ecosystem-based management needs to reach beyond its usual policy domain by restricting the expansion of urban built-up land and reducing urbanization-related pollution.
We must halt and reverse the damage we have done to water ecosystems".
Improper handling of animal manure generated from concentrated swine operations greatly deteriorates water ecosystems.
Healthy phytoplankton communities are the basis of healthy water ecosystems, and form the foundation of many freshwater food webs.
