Species Introduction in a Tropical Lake

@article{Zaret1973SpeciesII,
  title={Species Introduction in a Tropical Lake},
  author={T. Zaret and R. Paine},
  journal={Science},
  year={1973},
  volume={182},
  pages={449 - 455}
}
Probably in early 1967, a piscivore from South America, Cichla ocellaris, was introduced to Gatun Lake in the Panama Canal Zone. As this predator population spread through the lake, the initial effect was dramatic reductions in almost all secondary consumers. These species reductions produced, in turn, second- and third-order changes at other trophic levels of the ecosystem. The resulting changes in the lake community can be seen best by examining the general Gatun Lake food web. The decrease… Expand
Anthropogenically induced fish diversity reduction in Lake Valencia Basin, Venezuela
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References

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A DARWINIAN APPROACH TO PLANT ECOLOGY
Fossil Maize from Panama
Ship canals and aquatic ecosystems.
has described a third species, C. intermedia, and from his work we have reconfirmed the identity of the Gatun Lake species as C. ocellaris
  • Acta Biol. Venez
  • 1971
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