15 Facts About Storage effect

Storage effect is a coexistence mechanism proposed in the ecological theory of species coexistence, which tries to explain how such a wide variety of similar species are able to coexist within the same ecological community or guild.

The storage effect was originally proposed in the 1980s to explain coexistence in diverse communities of coral reef fish, however it has since been generalized to cover a variety of ecological communities.

The storage effect gets its name because each population "stores" the gains in good years or microhabitats to help it survive population losses in bad years or patches.

One strength of this theory is that, unlike most coexistence mechanisms, the storage effect can be measured and quantified, with units of per-capita growth rate.

Storage effect can be caused by both temporal and spatial variation.

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The temporal storage effect occurs when species benefit from changes in year-to-year environmental patterns, while the spatial storage effect occurs when species benefit from variation in microhabitats across a landscape.

We see that the fundamental requirement for species coexistence is fulfilled and thus storage effect is able to maintain stable coexistence in a community of competing species.

Any Storage effect to act as a coexistence mechanism, it must boost the average fitness of an individual when they are at below-normal population density.

This, combined with the buffered population growth that is a product of a long-lived seed bank, showed that a temporal storage effect was probably an important factor in mediating coexistence.

Storage effect found, in the absence of the storage effect, D galeata mendotae would have gone extinct.

Storage effect was unable to measure certain important parameters, but found that her results were robust to a wide range of estimates.

The storage effect was quantified in terms of number of inflorescences instead of actual population growth rate.

Since species-specific environmental response and buffered population growth can be naturally assumed, their finding strongly suggests that the storage effect operates in this tropical deciduous forest so as to maintain the coexistence between different tree species.

Angert and colleagues demonstrated the temporal storage effect occurring in the desert annual plant community on Tumamoc Hill, Arizona.

In other words, the storage effect is expected to help the population of any species at low density to increase, on average, by 10.