Is Mass Removal an Efficient Measure to Regulate the North American Catfish<i>Ameiurus melas</i>Outside of Its Native Range?

Paillisson, Jean‐Marc; Carpentier, Alexandre

doi:10.1080/02705060.2006.9664133

Cited by 15 publications

(28 citation statements)

References 12 publications

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“…The estimated upper TL limit (9 cm) for YOY observed in Sava Lake was in accordance with the results of Pedicillo et al. (), whereas Cucherousset, Paillisson & Carpenter () and Cucherousset, Paillisson, Carpenter, Eybert et al. () reported a threshold value of 7 cm TL.…”

Section: Discussionsupporting

confidence: 90%

“…using plankton nets), however, could also potentially impact on the early development stages of other fish species, further jeopardising the native fish fauna. A study on the Grande Brière Mottière marsh in France (Cucherousset, Paillisson & Carpenter, ), as well as unpublished data for other Serbian water bodies (a borrow pit near Žabalj, Lake Borkovac, Lake Kraljevac, Lake Kudreč 1 and 2, Lake Markovačko, Lake Smoljinac, Lake Zaova, the oxbow Stara Tisa), indicate that mass removals using fyke nets can prove efficient in reducing black bullhead abundance to acceptable levels if carried out over one or two seasons. The current findings, along with both unpublished and published data from Serbian fishery managers (Hegediš, Nikčević & Mićković, ), suggest that systematic mass removals should be applied to the entire population, that is, both juveniles and adults, and that removals should be carried out repeatedly through the season, from the spawning period in May to the resting period in October.…”

Section: Discussionmentioning

confidence: 98%

“…To obtain the young‐of‐the‐year (YOY) to adult ratio, which is considered a good indicator of recruitment and population recovery (Cucherousset, Paillisson & Carpenter, ; Finley, ), the CPUE data were log 10 ( x + 1) transformed and the YOY‐to‐adult ratio calculated for fish <9 and >9 cm TL, respectively.…”

Section: Methodsmentioning

confidence: 99%

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Boom‐bust like dynamics of invasive black bullhead (Ameiurus melas) in Lake Sava (Serbia)

Jaćimović

Lenhardt

Krpo‐Ćetković

et al. 2019

Fisheries Management Eco

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The life‐history traits and population dynamics of the black bullhead Ameiurus melas (Rafinesque) were studied monthly from August 2009 to December 2012 in Lake Sava in Belgrade (Serbia). This period included a mass mortality event in May 2011 and subsequent population recovery during 2012. Available evidence suggests the mass mortality was caused by European catfish virus that only affected the black bullhead. Changes in key life‐history traits and the recovery potential (increase in catch‐per‐unit‐effort, doubling of young‐of‐the‐year to adult ratio, earlier maturation and increased fecundity) following the mass mortality event suggest population resilience typical of a recurring boom‐bust pattern and demonstrate the species’ capacity to recover rapidly and re‐establish following disturbance. Repeated systematic mass removals of both juveniles and adults (using fyke nets) will be required if future fishery management measures aimed at limiting the population size are to be effective.

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Section: Discussionsupporting

confidence: 90%

Section: Discussionmentioning

confidence: 98%

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Boom‐bust like dynamics of invasive black bullhead (Ameiurus melas) in Lake Sava (Serbia)

Jaćimović

Lenhardt

Krpo‐Ćetković

et al. 2019

Fisheries Management Eco

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“…While the potential efficiency of methods used to decrease the stock of invasive populations has been reported (Cucherousset et al. 2006a; Britton et al. 2011), the removal of individuals is often selective (Coltman et al.…”

Section: Introductionmentioning

confidence: 99%

Impacts of invasive fish removal through angling on population characteristics and juvenile growth rate

Evangelista

Britton

Cucherousset

2015

Ecology and Evolution

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Exploitation can modify the characteristics of fish populations through the selective harvesting of individuals, with this potentially leading to rapid ecological and evolutionary changes. Despite the well-known effects of invasive fishes on aquatic ecosystems generally, the potential effects of their selective removal through angling, a strategy commonly used to manage invasive fish, are poorly understood. The aim of this field-based study was to use the North American pumpkinseed Lepomis gibbosus as the model species to investigate the consequences of selective removal on their population characteristics and juvenile growth rates across 10 populations in artificial lakes in southern France. We found that the maximal individual mass in populations decreased as removal pressure through angling increased, whereas we did not observed any changes in the maximal individual length in populations as removal pressure increased. Total population abundance did not decrease as removal pressure increased; instead, here was a U-shaped relationship between removal pressure and the abundance of medium-bodied individuals. In addition, population biomass had a U-shaped curve response to removal pressure, implying that invasive fish populations can modulate their characteristics to compensate for the negative effects of selective removals. In addition, individual lengths at age 2 and juvenile growth rates decreased as removal pressure through angling increased, suggesting a shift toward an earlier size at maturity and an overall slower growing phenotype. Therefore, these outputs challenge the efficiency of selective management methods, suggesting the use of more proactive strategies to control invasive populations, and the need to investigate the potential ecological and evolutionary repercussions of nonrandom removal.

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“…For this reason, it is often considered undesirable and a potential threat to autochthonous fish species, on account of both competition for resources and predation upon small fishes. French legislation classifies it as a "species liable to cause biological disequilibrium" (Cucherousset et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Growth of black bullheadAmeiurus melas(Rafinesque, 1820) in Corbara Reservoir (Umbria – Italy)

Pedicillo

Bicchi

Angeli

et al. 2008

Knowl. Managt. Aquatic Ecosyst.

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The age and growth of the invasive black bullhead Ameiurus melas (Rafinesque, 1820) were studied in the Corbara Reservoir, an artificial lake located on the River Tiber in central Italy. The results of the research revealed that the population was made up of eight cohorts, the oldest specimens being spawned in 1999. The sex ratio appears to be balanced, although females predominate in the younger cohorts, while the percentage of males increases among older specimens. The differences between sexes in the slope of the length-weight relationship were not statistically significant; the slope for the whole sample (b = 3.055) was significantly greater than 3, indicating an allometric growth pattern of the black bullhead. There were no significant differences in mean back-calculated lengths at age between the sexes. Analysis of Lee's phenomenon revealed the existence of differential mortality among younger individuals (1 and 2 years old) that favours larger individuals. The Von Bertalanffy growth function was TL t = 35.69 {1 -exp[-0.18 (t + 0.27)]}. The specimens caught displayed mean relative weight (W r ) values distinctly below 100 at all ages, while no significant difference emerged between the sexes with regard to condition. RÉSUMÉCroissance du poisson-chat Ameiurus melas (Rafinesque, 1820) dans le Lac Corbara (Ombrie -Italie) L'âge et la croissance du poisson-chat invasif Ameiurus melas (Rafinesque, 1820) ont été étudiés dans le Lac Corbara, un lac artificiel situé le long du cours du fleuve Tevere, en Italie centrale. Les résultats de la recherche ont révélé que la population était composée de huit classes d'âges, les spécimens les plus âgés provenant de la fraie de 1999. Le sex-ratio semble être équilibré, bien que les femelles prédomi-nent dans les classes d'âges plus jeunes, tandis que le pourcentage de mâles augmente parmi les spécimens plus âgés. Les différences entre les sexes en matière de pente du rapport longueur-poids n'étaient pas significatives ; la pente de tout l'échantillon (b = 3.055) était significativement supérieure à 3, indiquant que le poisson-chat a un modèle de croissance allométrique. Aucune différence significative n'a été constatée entre les longueurs rétromesurées moyennes des différents sexes au même âge. L'analyse du phénomène de Lee a révélé l'existence d'une

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Is Mass Removal an Efficient Measure to Regulate the North American CatfishAmeiurus melasOutside of Its Native Range?

Cited by 15 publications

References 12 publications

Boom‐bust like dynamics of invasive black bullhead (Ameiurus melas) in Lake Sava (Serbia)

Boom‐bust like dynamics of invasive black bullhead (Ameiurus melas) in Lake Sava (Serbia)

Impacts of invasive fish removal through angling on population characteristics and juvenile growth rate

Growth of black bullheadAmeiurus melas(Rafinesque, 1820) in Corbara Reservoir (Umbria – Italy)

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