The earthworms in the mountains of southeastern Australia release their own slime (called mucus) into the soil, live for 20 years, and move about underneath snow at soil temperatures of 0(C or 32(F, all winter long.
Diversity and Productivity
Diversity and Productivity Recent research into the relationship between
biodiversity and ecosystem productivity has shown a pattern of
decreasing productivity as plant diversity decreases. This means
that an ecosystem is more productive if there are a larger number
of diverse species within it. 5 NOVEMBER 1999, P. 1049
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