What Is an Ecosystem

Coined by A. G. Tansley in 1935, the term 'ecosystem' refers to an integrated system composed of a biotic community, its abiotic environment, and their dynamic interactions. A diversity of ecosystems exist through the world, from tropical mangroves to temperate alpine lakes, each with a unique set of components and dynamics (Figure 1). Ecosystems can be classified according to their components and physical context yet their classification is highly dependent on the spatial scale of scrutiny. Typically, boundaries between ecosystems are diffuse. An 'ecotone' is a transition zone between two distinct ecosystems (i.e., the tundra-boreal forest ecotone).

10 Ways To Fight Off Cancer

10 Ways To Fight Off Cancer

Learning About 10 Ways Fight Off Cancer Can Have Amazing Benefits For Your Life The Best Tips On How To Keep This Killer At Bay Discovering that you or a loved one has cancer can be utterly terrifying. All the same, once you comprehend the causes of cancer and learn how to reverse those causes, you or your loved one may have more than a fighting chance of beating out cancer.

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