Pollution and Eutrophication

These flashcards cover key concepts related to pollution, its sources, and its effects on ecosystems.

Pollution can influence population statistics of organisms such as __.

Various species and their populations in aquatic and terrestrial ecosystems.

Pollution is said to depend on __.

Dose.

The difference between point and non-point source pollution is that point source pollution comes from __, while non-point source pollution comes from __.

a single, identifiable source; multiple sources or runoff.

Cultural eutrophication differs from natural eutrophication in that it is __.

Accelerated by human activities.

The two main nutrients involved in cultural eutrophication are and .

Nitrogen; Phosphorus.

Cultural eutrophication nutrients normally originate from __.

Fertilizers, sewage, and runoff.

The positive feedback of cultural eutrophication means that increased nutrient input leads to __, which in turn leads to __.

Algal blooms; more nutrients being released.

The two main elements associated with acid rain are and .

Sulfur; Nitrogen.

Many of these elements originate from __.

Burning fossil fuels and industrial emissions.

A buffer is __.

A substance that resists acidification

Some effects on water ecosystems and forests include and .

Decreased biodiversity; altered species composition.