Sentences with phrase «aquatic ecosystems»

The phrase "aquatic ecosystems" refers to the natural balance and interactions between all the living organisms and their environment in bodies of water like rivers, lakes, and oceans. Full definition
Even today, water fleas still form the basis of many food chains, which makes them an important component of aquatic ecosystems.
Few aquatic animals can survive in these conditions, which poses a huge threat to biodiversity in aquatic ecosystems.
Instead, such chemicals enter waterways where their effects on aquatic ecosystems are largely unknown.
However, pesticides can move into aquatic ecosystems, such as wetlands, and have unexpected effects.
It contributes to ocean acidification, destroying coral reefs and other aquatic ecosystems.
Since then, they have become widely recognized as a pest with great potential for changing aquatic ecosystems and interfering with commercial activities.
Throughout PADI courses, divers learn the importance of protecting fragile aquatic ecosystems and are encouraged to become involved in local and global conservation efforts.
Unfortunately, the amendments seem designed to do more than «focus» resources; they seem designed to entirely exclude large parts of many aquatic ecosystems from protection.
This course covers information about aquatic ecosystem degradation along with conservation measures to protect aquatic resources.
This deposition has altered the functioning of soil, terrestrial vegetation, and aquatic ecosystems worldwide.
The water flea is a key species in aquatic ecosystems and an important model organism in biology and environmental genetics.
In addition to providing further evidence that pesticides can dramatically change the structure and function of aquatic ecosystems, our experiment is among the first to demonstrate how road salt can have similar effects.
Environmental impacts on water resources can put pressure on aquatic ecosystems that, in the short term, can have a more dramatic effect than climate change.
Changes made to section 35 of the Fisheries Act put aquatic ecosystems at risk.
The ANAE approach was developed by the Commonwealth and State and Territory governments to establish for the first time a consistent and systematic method of classifying aquatic ecosystems across the Australian landscape.
Algal blooms deplete oxygen in the water and block the sunlight that other organisms need to live, disrupting aquatic ecosystems everywhere in fundamental ways.
That hardening, in turn, harms aquatic ecosystems, such as by reducing the diversity of insects (right graph).
Dr Aaron Davis from the Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER) at JCU said the phenomenon, known as convergent evolution, happens when different fish adopt similar lifestyles and evolve through time to look very similar.
The ANAE classification and typology were applied, with aquatic ecosystem features assigned across almost one hundred lacustrine (lake), palustrine (wetland), estuarine, riverine and floodplain types.
Even in the midst of the drought, Australia moved forward with plans to restore water to severely degraded aquatic ecosystems.
With about 25 dive sites and being just one - hour boat trip from Kota Manado, Bunaken island offers great visibility and the most diverse aquatic ecosystem in the region.
Those bacteria can share their resistance with other bacteria that happen to be on crops and in downstream aquatic ecosystems — bacteria that could cause illness, Chénier says.
Boating tours take travelers to Guatemala's best aquatic ecosystems, including the Río Dulce and the mangroves around Monterrico.
The scientists describe naturally - occurring mercury levels similar to man - made contamination found today near smelters, where significant aquatic ecosystem damage has also been experienced.
Research expertise includes coupling physical and biological processes in lakes and the ocean and aquatic ecosystem management.
More than half the oxygen we breathe comes from the ocean, much of it from aquatic ecosystems that scientists have barely begun to study.
Moreover, a levee failure could allow saltwater to mix with the Delta's freshwater, increasing the salinity levels of water supplies and harming the local aquatic ecosystems.
With the rainfall in 2016 there was increased scope to improve the health and resilience of aquatic ecosystems using a top up of Commonwealth environmental water within the Namoi River Valley.
Moreover, chemicals in cosmetics and skincare that we rinse off can contaminate our water and aquatic ecosystems Conventional cosmetics and skincare products are made to last for a long time as well as withstand various environmental and storage conditions through the use of strong chemicals.
We conclude that there is an urgent need for major transdisciplinary efforts in research, policy, and practice to develop alternatives with implications for cities and aquatic ecosystems alike.
Phosphorus loads are also likely to increase to Dry Valleys aquatic ecosystems, which are currently some of the most phosphorus - limited ecosystems on the planet.
Federal biologists are also in the midst of a 15 - year effort to combat invasive carp that have largely destroyed the native aquatic ecosystem of the refuge's two massive, shallow lakes and the Blitzen River that feeds them from the south.
But, as scientists report in ACS» journal Environmental Science & Technology, «fracking» operations could have impacts on water quantity because they are withdrawing these large amounts of water from nearby streams, which house aquatic ecosystems and are used by people for drinking and recreation.
The resulting aquatic ecosystems impacts may ultimately contribute to changes in the Arctic Ocean, the report said.
But when the nutrients wash into waterways, they can spur algal blooms that ultimately suffocate aquatic ecosystems.
The conclusion is the overall news is good: Air quality regulation has benefited aquatic ecosystems in the Sierra Nevada, and controlling air pollution is benefiting nature in California.
If California hopes to prevent further extinctions of native species of endangered fish, the state should abandon efforts to take desperate measures to save individual species under the Endangered Species Act (ESA) and instead look to bolster entire aquatic ecosystems.
What this finding about Lake Hazen is telling us is that there can also be pretty substantial impacts in terrestrial aquatic ecosystems that are directly connected to the glaciers.
One study found that these compounds could affect aquatic ecosystems by interfering with photosynthesis or sugar transport in plants, for example; it also found that the by - products of acesulfame, another artificial sweetener that has also been used as a tracer but may be less stable in the environment, may have greater ecosystem impacts.
The publication of the Tennessee Aquarium Conservation Institute and River Basin Center study, which was funded by a National Fish and Wildlife Foundation grant, comes at a crucial time for Southeastern aquatic ecosystems.
So far, however, there has been no reliable knowledge as to whether microplastic particles in aquatic ecosystems promote the development of special bacterial communities or even the spread of pathogens.
Modern aquatic ecosystems are infiltrated with diverse mixtures of pollutants that can act together as a multiple stressor to alter biotic systems at all levels of biological organization, including individuals, populations and communities.
The workshop title was, «Acoustic Challenges in Aquatic Ecosystem Assessment».
Nutrient pollution fuels the growth of harmful algal blooms which devastate aquatic ecosystems.
The chemicals used in marine aquaculture operations such as medicines like antibiotics and vaccines, disinfectants, and substances used to prevent corrosion of equipment (cages, etc.) can also change the composition of the surrounding aquatic ecosystem.
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