Ecological Resilience

Oct 6, 2023 - 15:44
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ecological resilience, also called ecological robustness, the ability of an ecosystem to maintain its normal patterns of nutrient cycling and biomass production after being subjected to damage caused by an ecological disturbance. The term resilience is a term that is sometimes used interchangeably with robustness to describe the ability of a system to continue functioning amid and recover from a disturbance.

The resilience or robustness of ecological systems has been an important concept in ecology and natural history since the time of British naturalist Charles Darwin, who described the interdependencies between species as an “entangled bank” in his influential work On the Origin of Species (1859). Since then, the concept has come to hold special importance in the areas of environmental conservation and management. Its significance to the well-being of humans and human societies has also been recognized. The loss of an ecosystem’s ability to recover from a disturbance—whether due to natural events such as hurricanes or volcanic eruptions or due to human influences such as overfishing and pollution—endangers the benefits (e.g., food, clean water, and aesthetics) that humans derive from that ecosystem.

However, resilience is not always a positive feature of a system. For example, an ecosystem may be locked in an undesirable state, such as in the case of a eutrophic lake, where an overabundance of nutrients results in hypoxia (depleted oxygen levels), which can lead to the demise of desirable fish species and the proliferation of undesirable pests.

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