Nitrogen-rich agricultural runoff enters aquatic ecosystems, with exponential increases in aquatic vegetation growth resulting from increased nutrient availability in the watershed. Oxygen is consumed when when the bloom of aquatic vegetation dies off and decomposes, resulting in hypoxia and die-off of aquatic wildlife.

Nitrogen-rich agricultural runoff enters aquatic ecosystems, with exponential increases in aquatic vegetation growth resulting from increased nutrient availability in the watershed. Oxygen is consumed when when the bloom of aquatic vegetation dies off and decomposes, resulting in hyperoxia and die-off of aquatic wildlife.

Nitrogen-rich agricultural runoff enters aquatic ecosystems, resulting in increased nutrient availability and algal blooms. The now-overpopulated aquatic plants consume most of the oxygen available in the watershed, resulting in hypoxia and die-off of aquatic wildlife.

Nutrients from agricultural runoff enter the watershed and the resulting algal bloom limits availability of sunlight and oxygen production, resulting in a hypoxic aquatic ecosystem and wildlife die-offs.

Nitrogen-rich agricultural runoff results in exponential growth of aquatic flora, which provides a more abundant food source for aquatic wildlife. The resulting overpopulation by aquatic wildlife creates a hypoxic environment, which causes fish and other aquatic animals to suffocate.

Eutrophication and increased algal bloom

Poisoning of water invertebrates by pesticides

Increased lake and river fertility

Making trees downstream grow larger

Free fertilizer for downstream farmers

bioaccumulation

biomagnification

bioremediation

phytoremediation

phytoextraction

Paper

Plastic

Textiles

None of these

Many fish species will produce a thick mucus lining over their gills to protect themselves against the lower pH; however, this can result in eventual suffocation

Their skin or exoskleton becomes thin and easily punctured, usually leading to death from blood loss

Marine species become weak and disoriented in waters with higher levels of acidity, making them easier prey

Microbes and viruses thrive in waters with a lower pH; marine species eventualy succumb to disease and die off

Water takes on a more opaque quality when contaminated with pollutants such as sulfuric and nitric acids, making food difficult to find

The adverse affect of pesticide use on the ecosystem, particularly on songbird populations

The adverse affect of habitat loss from development and logging on migratory bird populations

The potential loss of biodiversity, particularly bird species as a result of climate change

The potential risk of pesticide application to human health, particularly with air and drinking water quality

A push for legislation to protect declining wildlife populations and their habitat

Restoration

Preservation

Remediation

Mitigation

Preservation

Mitigation

Remediation

Restoration

Biodiversity conservation

Contaminated water

Ozone depletion

Acid rain

Remediation

Mitigation

Preservation

Restoration