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Biology and Life Sciences Forum
Volume 13
Issue 1
10.3390/blsf2022013118
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Abstract

LIFE Agueda—Gaining Habitat for Migratory Fish in the Vouga River Basin †

by
Sílvia Pedro
1,*,‡,
Carlos M. Alexandre
1,
Catarina S. Mateus
1,
Bernardo R. Quintella
2,3,
Maria João Lança
4,
Ana F. Belo
1,
Esmeralda Pereira
1,
Ana S. Rato
1,
Inês Oliveira
1,
Sara Silva
1 and
Pedro R. Almeida
1,5
1
MARE—Marine and Environmental Sciences Centre/ARNET—Aquatic Research Network, Universidade de Évora, 7002-554 Évora, Portugal
2
MARE—Marine and Environmental Sciences Centre/ARNET—Aquatic Research Network, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
3
Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
4
MED-Instituto Mediterrânico para a Agricultura, Ambiente e Desenvolvimento & Departamento de Zootecnia, Escola de Ciências e Tecnologia, Universidade de Évora, 7002-554 Évora, Portugal
5
Departamento de Biologia, Escola de Ciências e Tecnologia, Universidade de Évora, 7002-554 Évora, Portugal
*
Author to whom correspondence should be addressed.
†
Presented at the IX Iberian Congress of Ichthyology, Porto, Portugal, 20–23 June 2022.
‡
Presenting author (oral communication).
Biol. Life Sci. Forum 2022, 13(1), 118; https://doi.org/10.3390/blsf2022013118
Published: 17 June 2022
(This article belongs to the Proceedings of The IX Iberian Congress of Ichthyology)
Versions Notes

Abstract

Habitat loss and overfishing are the most significant threats to diadromous fish, most of them of high socioeconomic and conservationist importance, such as Alosa alosa, Alosa fallax, Petromyzon marinus and Anguilla anguilla. The main objective of the LIFE Águeda project (LIFE16 ENV/PT/000411) is the removal of hydro-morphological pressures towards the reestablishment of conditions for a good ecological status, as required by the Water Framework Directive (WFD) and associated River Basin Management Plans. Actions to achieve the project’s objectives include the restoration of river morphology through the construction of nature-like fish passes, removal of river obstacles and re-naturalization of the riverbed. Aside from these interventions, the project also contemplates riparian habitat restoration, design and operation of a pilot translocation program directed to European eel juveniles, management of recreational and commercial fisheries, and stakeholders’ engagement, safeguarding compatibility of ecosystem uses. To reestablish longitudinal connectivity in rivers Agueda and Alfusqueiro, a total of five fish passes (two modular and temporary vertical-slot and three nature-like fish passes) will be installed in obstacles where current uses need to be secured and removal is not an option. Obsolete or illegally built obstacles are to be completely or partially removed, in a total of eight interventions in both rivers. By placing PIT antennas in the most upstream fishways planned to be built in both rivers, and by monitoring the movements of tagged fish from target species, the efficiency of these habitat restoration actions, and the reestablishment of longitudinal connectivity, will be assessed.
Keywords: connectivity; fish passes; obstacle removal; fish migration connectivity; fish passes; obstacle removal; fish migration

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MDPI and ACS Style

Pedro, S.; Alexandre, C.M.; Mateus, C.S.; Quintella, B.R.; Lança, M.J.; Belo, A.F.; Pereira, E.; Rato, A.S.; Oliveira, I.; Silva, S.; et al. LIFE Agueda—Gaining Habitat for Migratory Fish in the Vouga River Basin. Biol. Life Sci. Forum 2022, 13, 118. https://doi.org/10.3390/blsf2022013118

AMA Style

Pedro S, Alexandre CM, Mateus CS, Quintella BR, Lança MJ, Belo AF, Pereira E, Rato AS, Oliveira I, Silva S, et al. LIFE Agueda—Gaining Habitat for Migratory Fish in the Vouga River Basin. Biology and Life Sciences Forum. 2022; 13(1):118. https://doi.org/10.3390/blsf2022013118

Chicago/Turabian Style

Pedro, Sílvia, Carlos M. Alexandre, Catarina S. Mateus, Bernardo R. Quintella, Maria João Lança, Ana F. Belo, Esmeralda Pereira, Ana S. Rato, Inês Oliveira, Sara Silva, and et al. 2022. "LIFE Agueda—Gaining Habitat for Migratory Fish in the Vouga River Basin" Biology and Life Sciences Forum 13, no. 1: 118. https://doi.org/10.3390/blsf2022013118

APA Style

Pedro, S., Alexandre, C. M., Mateus, C. S., Quintella, B. R., Lança, M. J., Belo, A. F., Pereira, E., Rato, A. S., Oliveira, I., Silva, S., & Almeida, P. R. (2022). LIFE Agueda—Gaining Habitat for Migratory Fish in the Vouga River Basin. Biology and Life Sciences Forum, 13(1), 118. https://doi.org/10.3390/blsf2022013118

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