defining aquaculture and its role in the food production system

As the world's population grows, so does its demand for animal proteins which puts a great deal of pressure on natural populations. Agriculture has helped to reduce such pressures on land animals [albeit causing other problems in the process]. Aquaculture is the aquatic version of agriculture in that fresh and saltwater organisms are farmed. Farming …

eutrophication, choking the life out of a body of water near you?

Eutrophication is a process caused by excess phosphates and nitrogen which creates algae blooms. Fast-growing algae die each year and sink to the bottom of the floor of a given body of water. Their biomass turns into an incredibly rich mud where bacterial decayers thrive. Due to their unnatural quantities and massive appetites, the oxygen …