Fish invading deserts: non-native species in arid Moroccan rivers

Desert rivers are highly dynamic systems in which dry periods, frequently involving the cessation of superficial flow, alternate with violent flash floods. In spite of their territorial importance and high functional and biological diversity, desert rivers have received little attention in the scien...

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Autores: Clavero, Miguel, Esquivias, Javier, Abdeljebbar, Qninba, Riesco, María, Calzada, Javier, Ribeiro, Filipe, Fernández, Néstor, Delibes, M.
Tipo de recurso: artículo
Estado:Versión aceptada para publicación
Fecha de publicación:2015
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/111223
Acceso en línea:http://hdl.handle.net/10261/111223
Access Level:acceso abierto
Palabra clave:River
Stream
Biodiversity
Disturbance
Distribution
Fish
Alien species
Impoundment
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spelling Fish invading deserts: non-native species in arid Moroccan riversClavero, MiguelEsquivias, JavierAbdeljebbar, QninbaRiesco, MaríaCalzada, JavierRibeiro, FilipeFernández, NéstorDelibes, M.RiverStreamBiodiversityDisturbanceDistributionFishAlien speciesImpoundmentDesert rivers are highly dynamic systems in which dry periods, frequently involving the cessation of superficial flow, alternate with violent flash floods. In spite of their territorial importance and high functional and biological diversity, desert rivers have received little attention in the scientific literature, especially in Northern Africa. This study investigated the distribution of non-native fish, their relationship with river damming and their potential impacts on native biodiversity in the main river basins draining arid areas of Morocco (Oued Draa, Oued Ziz and Oued Ghir), based on field sampling covering 84 stream reaches. Thirteen fish species were recorded, eight of which are non-native. Two species (stone moroko, Pseudorasbora parva, and bleak, Alburnus alburnus) had not been previously recorded in Morocco, while the native sandsmelt (Atherina boyeri) had not been cited as an invader. Pumpkinseed (Lepomis gibbosus) was the most widely distributed non-native fish. Non-native fish species were associated with reservoirs, colonizing the regulated downstream reaches. In contrast, unregulated upstream reaches tended to be free of non-natives. The low abundance of native fish in reservoirs seems to be caused by the impacts of introduced fish species. Management options for environmental flow are limited, owing to reduced water availability. Non-native fish management should thus focus on limiting the spread of species already introduced and avoiding new introductions, especially into reservoirs.Peer reviewedJohn Wiley & SonsConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]201520152015info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Postprintinfo:eu-repo/semantics/acceptedVersionhttp://hdl.handle.net/10261/111223reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésSíinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1112232026-05-22T06:33:51Z
dc.title.none.fl_str_mv Fish invading deserts: non-native species in arid Moroccan rivers
title Fish invading deserts: non-native species in arid Moroccan rivers
spellingShingle Fish invading deserts: non-native species in arid Moroccan rivers
Clavero, Miguel
River
Stream
Biodiversity
Disturbance
Distribution
Fish
Alien species
Impoundment
title_short Fish invading deserts: non-native species in arid Moroccan rivers
title_full Fish invading deserts: non-native species in arid Moroccan rivers
title_fullStr Fish invading deserts: non-native species in arid Moroccan rivers
title_full_unstemmed Fish invading deserts: non-native species in arid Moroccan rivers
title_sort Fish invading deserts: non-native species in arid Moroccan rivers
dc.creator.none.fl_str_mv Clavero, Miguel
Esquivias, Javier
Abdeljebbar, Qninba
Riesco, María
Calzada, Javier
Ribeiro, Filipe
Fernández, Néstor
Delibes, M.
author Clavero, Miguel
author_facet Clavero, Miguel
Esquivias, Javier
Abdeljebbar, Qninba
Riesco, María
Calzada, Javier
Ribeiro, Filipe
Fernández, Néstor
Delibes, M.
author_role author
author2 Esquivias, Javier
Abdeljebbar, Qninba
Riesco, María
Calzada, Javier
Ribeiro, Filipe
Fernández, Néstor
Delibes, M.
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv River
Stream
Biodiversity
Disturbance
Distribution
Fish
Alien species
Impoundment
topic River
Stream
Biodiversity
Disturbance
Distribution
Fish
Alien species
Impoundment
description Desert rivers are highly dynamic systems in which dry periods, frequently involving the cessation of superficial flow, alternate with violent flash floods. In spite of their territorial importance and high functional and biological diversity, desert rivers have received little attention in the scientific literature, especially in Northern Africa. This study investigated the distribution of non-native fish, their relationship with river damming and their potential impacts on native biodiversity in the main river basins draining arid areas of Morocco (Oued Draa, Oued Ziz and Oued Ghir), based on field sampling covering 84 stream reaches. Thirteen fish species were recorded, eight of which are non-native. Two species (stone moroko, Pseudorasbora parva, and bleak, Alburnus alburnus) had not been previously recorded in Morocco, while the native sandsmelt (Atherina boyeri) had not been cited as an invader. Pumpkinseed (Lepomis gibbosus) was the most widely distributed non-native fish. Non-native fish species were associated with reservoirs, colonizing the regulated downstream reaches. In contrast, unregulated upstream reaches tended to be free of non-natives. The low abundance of native fish in reservoirs seems to be caused by the impacts of introduced fish species. Management options for environmental flow are limited, owing to reduced water availability. Non-native fish management should thus focus on limiting the spread of species already introduced and avoiding new introductions, especially into reservoirs.
publishDate 2015
dc.date.none.fl_str_mv 2015
2015
2015
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Postprint
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/111223
url http://hdl.handle.net/10261/111223
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv John Wiley & Sons
publisher.none.fl_str_mv John Wiley & Sons
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15.81155

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