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dc.contributor.author
Vanella, Fabián Alberto
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dc.contributor.author
Fernandez, Daniel Alfredo
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dc.contributor.author
Romero, Maria Carolina
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dc.contributor.author
Calvo, Jorge
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dc.date.available
2022-01-31T12:17:39Z
dc.date.issued
2007-12
dc.identifier.citation
Vanella, Fabián Alberto; Fernandez, Daniel Alfredo; Romero, Maria Carolina; Calvo, Jorge; Changes in the fish fauna associated with a sub-Antarctic Macrocystis pyrifera kelp forest in response to canopy removal; Springer; Polar Biology; 30; 4; 12-2007; 449-457
dc.identifier.issn
0722-4060
dc.identifier.uri
http://hdl.handle.net/11336/150962
dc.description.abstract
The fish fauna associated with a Macrocystis pyrifera forest and the effects of the canopy removal on this fauna were studied in the Beagle Channel, Tierra del Fuego. Seasonal changes and differences in the fish communities that inhabit the canopy and the holdfast were also studied. Two patches of kelp forest separated by 200 m were selected. In one, the canopy was removed periodically while the other was used as a control. Samples were collected seasonally, from autumn 1999 to 2001. Fish fauna in the water column was sampled using trammel nets and holdfast fish fauna was sampled by removing the complete holdfast. Different assemblages of fish species were captured in the water column (surface and bottom) and in the holdfast. In the former there were mainly pelagic and benthopelagic species and the latter predominantly demersal species. The principal effect of the Canopy removal was a drop in the abundance (and total weight) of Paranotothenia magellanica (doradito), the species with the strongest relationship with the canopy, principally at the surface of the treated patch probable due to a reduction in the availability of refuges. A high degree of seasonality was observed for fish species’ total weight, abundance and diversity, with higher values in summer and autumn. Taking into account our data and available data on kelp growth in the same locality, we suggest of cutting the kelp forest (preferably those farther away from the coast) once a year in winter or early spring, in order to minimize impact on the fish community.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CANOPY REMOVAL
dc.subject
KELP FOREST
dc.subject
MACROCYSTIS PYRIFERA
dc.subject
NOTOTHENIOIDS
dc.subject
SUB-ANTARCTIC FISH
dc.subject.classification
Otros Tópicos Biológicos
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Changes in the fish fauna associated with a sub-Antarctic Macrocystis pyrifera kelp forest in response to canopy removal
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-01-06T15:02:54Z
dc.journal.volume
30
dc.journal.number
4
dc.journal.pagination
449-457
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Vanella, Fabián Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Fernandez, Daniel Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Romero, Maria Carolina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.description.fil
Fil: Calvo, Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Austral de Investigaciones Científicas; Argentina
dc.journal.title
Polar Biology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s00300-006-0202-x
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