State 'two' observations made by German naturalist, Alexender von Humb

1.	State 'two' observations made by German naturalist, Alexender von Humboldt during his extensive explorations in South American jungles.
Answer» His observations were - Within a region species richness increased with increasing explored area but only upto a limit. The relation between species richness and area for a wide variety of taxa is a rectangular hyperbola.

State 'two' observations made by German naturalist, Alexender von Humboldt during his extensive explorations in South American jungles.

Answer»

His observations were -

Within a region species richness increased with increasing explored area but only upto a limit.

The relation between species richness and area for a wide variety of taxa is a rectangular hyperbola.

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State 'two' observations made by German naturalist, Alexender von Humboldt during his extensive explorations in South American jungles.

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