Even larger organisms

Article Abstract:

The quaking aspen (Populus tremuloides) is the largest living organism. Using either the measure of mass or of volume, one clone in the western US exceeds any of the previous candidates. The clone is estimated to have 47,000 stems and a mass of approximately 6 million kilograms. The fungus Armillaria bulbosa at 10,000 kilograms, the giant sequoia at 2 million kilograms and the blue whale at 180,000 kilograms are dwarfed by the quaking aspen.

Reports, Botanical research, Biological research, Populus tremuloides, Quaking aspen

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Species interactions can explain Taylor's power law for ecological time series

Article Abstract:

Zoologists have been able to produce a proof of Taylor's power law of population dynamics, using stochastic simulations and analytical models of the negative interactions among a species in an ecological community. The article concludes that interaction between species in a food web is a main contribut to the dynamic properties of the whole community and the separate species within it.

Science & research, Zoological research

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Reproductive pair correlations and the clustering of organisms

Article Abstract:

Research is presented concerning the clustering of organisms which results from a response to physical or chemical cues or as a result of social behavior. The spontaneous aggregation of random-walking independent organisms is discussed.

Usage, Letter to the Editor, Social behavior in animals, Animal social behavior, Monte Carlo method, Monte Carlo methods

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