Brazier, M. and Britton, J.R., 2006. Eradicating the invasive topmouth gudgeon, Pseudorasbora parva, from a recreational fishery in Northern England. Fisheries Management and Ecology, 13 (5), pp. 329-335.
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Official URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j...
An established population of the invasive topmouth gudgeon, Pseudorasbora parva (Temminck & Schlegel), was discovered in a recreational fishery in Northwest England in 2002. As the lake was seasonally connected to a river catchment, providing potential for dispersal, a containment and eradication programme was initiated. Containment involved screening of outfalls and preventing fish movements off site. Eradication involved the fishery being treated twice with a rotenone-based piscicide, in March and April 2005. The mean P. parva density prior to rotenone application was 6.1 m2; following the application, none were recorded. Non-target species in the fishery were removed prior to the application; following rotenone degradation, they were re-introduced and subsequently spawned, with recording of young-of-the-year. This contrasts with 2004 when only young-of-the-year of P. parva were recorded. As the eradication appeared to be successful, the method is considered suitable for use on other populations posing a similar threat of dispersal of the species into rivers and on other invasive fish populations in undesirable locations.
|Uncontrolled Keywords:||Invasion, Lake District, non-native, rotenone, topmouth gudgeon|
|Subjects:||Geography and Environmental Studies|
|Group:||School of Applied Sciences > Centre for Conservation, Ecology and Environmental Change|
|Deposited By:||INVALID USER|
|Deposited On:||25 Apr 2007|
|Last Modified:||07 Mar 2013 14:35|
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