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Ecological death information


Ecological death is the inability of an organism to function in an ecological context, leading to death.[1] This term can be used in many fields of biology to describe any species. In the context of aquatic toxicology, a toxic chemical, or toxicant, directly affects an aquatic organism but does not immediately kill it; instead it impairs an organism's normal ecological functions which then lead to death or lack of offspring. The toxicant makes the organism unable to function ecologically in some way, even though it does not suffer obviously from the toxicant. Ecological death may be caused by sublethal toxicological effects that can be behavioral, physiological, biochemical, or histological.[2]

  1. ^ Scott, G.R., and K.A. Sloman. 2004. The effects of environmental pollutants on complex fish behavior: integrating behavioural and physiological indicators of toxicity. Aquatic Toxicology 68:369-392.
  2. ^ Rand, G.M. (Ed). Fundamentals of Aquatic Toxicology: Effects, Environmental Fate, and Risk Assessment. 2nd Ed. Florida: CRC Press, 1995.

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