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Article

Complexity of the Relationship between Environmental Factors, Interspecific Competition, and Intrinsic Traits of the Species in Explaining the Invasive Success of Gobio lozanoi Doadrio & Madeira, 2004

1
Departamento de Zooloxía, Xenética e Antropoloxía Física, Facultade de Bioloxía, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
2
Estación de Hidrobioloxía “Encoro do Con”, Universidade de Santiago de Compostela, 36617 Vilagarcía de Arousa, Spain
3
Área de Biodiversidad y Conservación, Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, 28933 Madrid, Spain
4
Department of Biological Sciences, University of Alabama, Tuscaloosa, AL 35487, USA
*
Author to whom correspondence should be addressed.
Academic Editor: José Luis Sánchez-Lizaso
Water 2021, 13(21), 3043; https://doi.org/10.3390/w13213043
Received: 28 September 2021 / Revised: 26 October 2021 / Accepted: 27 October 2021 / Published: 1 November 2021
(This article belongs to the Special Issue Biology and Ecology of Threatened Freshwater Fish)
The increase of non-native species in rivers is of great concern. To assess the potential impact of a species it is necessary to consider the ecological state of the receiving ecosystem and the biology of the potentially invasive species. In this work we characterize two populations of Gobio lozanoi Doadrio & Madeira, 2004 (bio-metric and demographic parameter) and the invasibility (as a function of habitat quality, competing species, food supply, etc.) of the two rivers that they inhabit. In addition, biomarkers of energy reserve level are analyzed to investigate their role in the invasiveness of the species. The results show differences in energy reserve levels and invasiveness between the two fish populations, and differences in the potential invasibility of the two tributaries. In the river with lower resistance to invasion, the G. lozanoi population is well-structured, and specimens have higher lipid values. On the contrary, in the river with better ecological status (and therefore greater resistance to invasion) we found lower lipid values, higher protein values and low juvenile survival rate. The lipid level is revealed as a good indicator of invasiveness in populations of alien species, under favorable conditions for invasion. View Full-Text
Keywords: non-native species; invasiveness; invasibility; biomarkers; interspecific competition; freshwater fish; lipids; Iberian Peninsula non-native species; invasiveness; invasibility; biomarkers; interspecific competition; freshwater fish; lipids; Iberian Peninsula
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MDPI and ACS Style

Barca, S.; Vieira-Lanero, R.; Nachón, D.J.; Sánchez-Hernández, J.; Cobo, M.d.C.; Cobo, F. Complexity of the Relationship between Environmental Factors, Interspecific Competition, and Intrinsic Traits of the Species in Explaining the Invasive Success of Gobio lozanoi Doadrio & Madeira, 2004. Water 2021, 13, 3043. https://doi.org/10.3390/w13213043

AMA Style

Barca S, Vieira-Lanero R, Nachón DJ, Sánchez-Hernández J, Cobo MdC, Cobo F. Complexity of the Relationship between Environmental Factors, Interspecific Competition, and Intrinsic Traits of the Species in Explaining the Invasive Success of Gobio lozanoi Doadrio & Madeira, 2004. Water. 2021; 13(21):3043. https://doi.org/10.3390/w13213043

Chicago/Turabian Style

Barca, Sandra, Rufino Vieira-Lanero, David José Nachón, Javier Sánchez-Hernández, María del Carmen Cobo, and Fernando Cobo. 2021. "Complexity of the Relationship between Environmental Factors, Interspecific Competition, and Intrinsic Traits of the Species in Explaining the Invasive Success of Gobio lozanoi Doadrio & Madeira, 2004" Water 13, no. 21: 3043. https://doi.org/10.3390/w13213043

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