"Large-scale fish kills have become a common phenomenon that is
increasing internationally. An understanding of the causes of fish kills
and why they occur is fundamental in order to implement preventative
measures to reduce their frequency and magnitude. However, despite the
advancements in fisheries and aquatic sciences, the science of fish kill
investigations at an international level is still considered rudimentary,
having advanced little since the 1960's despite significant economic
damage to fisheries and disruption of aquatic ecosystem dynamics...."
"This document is intended to provide background to the phenomenon of
fish kills and to provide a methodology to be followed when encountering
or investigating such a kill. The report consists of background and
theory relating to fish kills and fish kill investigations, a
questionnaire that will assist in the gathering of pertinent information
when investigating a fish kill, and also presents a case study conducted
by members of the Institute for Water Quality Studies..."