Скачать или смотреть Ecological Pyramids

Ecological pyramids are graphical representations of the trophic structure and energy flow in ecosystems. They come in three types:

Pyramid of Energy: Represents the flow of energy through different trophic levels in an ecosystem. It shows the decreasing amount of energy available at each successive trophic level, typically in kilocalories per square meter per year.

Pyramid of Biomass: Illustrates the total biomass (weight) of organisms at each trophic level. Biomass pyramids demonstrate the decreasing amount of living organic matter as you move up the food chain.

Pyramid of Numbers: Represents the number of organisms at each trophic level in an ecosystem. It can be upright (in a typical grassland ecosystem) or inverted (in a tree ecosystem where a large tree supports many smaller herbivores).

These pyramids help ecologists understand the structure and functioning of ecosystems, including the efficiency of energy transfer between trophic levels and the overall stability of the ecosystem.


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