Sentence examples for ecological substance from inspiring English sources

We should use it to create places that are alive with the ecological substance of regional beauty, particularly since scientists estimate that, by 2050, the world's urban areas will triple in size.

Sulfamethoxazole (SMX) and sulfapyridine (SPY), two representative sulfonamide antibiotics, have gained increasing attention because of the ecological risks these substances pose to plants, animals, and humans.

It is well known that the effect of toxic substances on ecological communities is an important problem, Maynard Smith [2] proposed a model to incorporate the effects of toxic substances in a two-species Lotka-Volterra competitive system by assuming that each of the species produces a substance that is toxic to the other only in the presence of the other species.

System: Managing Knowledge of Substances of Ecological Concern.

We developed the decision support and documentation system KnowSEC ("Managing Knowledge of Substances of Ecological Concern").

The effects of toxic substances on ecological communities is an important problem from an environmental point of view.

This paper reports on the web-based collaborative wiki system KnowSEC ("Managing Knowledge of Substances of Ecological Concern") that was developed to fulfill the requirements from above.

Therefore, ecological status related to hazardous substances is generally based on individual pollutant concentrations, which may or may not be consistent with the ecological quality status assessment.

In the environment they play relevant ecological roles including recycling of substances, degradation of complex polymers, and production of bioactive molecules.

Little is known concerning the potential ecological effects of hormonally active substances associated with discharges from animal feeding operations.

Marine life could be especially productive as a source for future drug development because the variety of species is so broad, so few (perhaps only 10percentt) have yet been investigated for therapeutic potential, and the intensive ecological pressures on deep sea organisms makes substances derived from them particularly "bioactive".