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Research using time-lapse photography in the Galapagos Marine Reserve suggests the presence of a key multilevel “trophic cascade” involving top- and mid-level predators as well as urchins and algae.Th...
In the years 2004 and 2005 we collected samples of phytoplankton, zooplankton and macroinvertebrates in an artificial small pond in Budapest. We set up a simulation model predicting the abundance of ...
However food webs have always been considered as a central issue of ecology, their value and usefulness are frequently questioned. In this paper, I overview some causes of this skepticism and discuss ...

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