The decline of the European eel Anguilla anguilla: quantifying and managing escapement to support conservation.

@article{Bilotta2011TheDO,
  title={The decline of the European eel Anguilla anguilla: quantifying and managing escapement to support conservation.},
  author={Gary S Bilotta and Paul Dawson Sibley and Jon Hateley and Axel Don},
  journal={Journal of fish biology},
  year={2011},
  volume={78 1},
  pages={23-38}
}
A method was developed to quantify the number and biomass of European eels Anguilla anguilla escaping to the ocean for breeding. The non-intrusive method, involving a fixed-position, high-frequency multi-beam sonar, permitted constant surveillance of A. anguilla movements throughout their 5 month escapement season (July to December). During this period, >1000 individuals were monitored escaping to the Atlantic Ocean from their freshwater habitat in the River Huntspill study site (Somerset, U.K… CONTINUE READING