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Efecto del alga invasora Undaria pinnatifida sobre la comunidad de peces de arrecife en los golfos Norpatagónicos OceanDocs
Irigoyen, A.J..
This study investigates the impact of Undaria pinnatifida on the reef fish assemblage associated with the coastal rocky reefs of Golfo Nuevo in northern Patagonia, Argentina. Undaria pinnatifida is a laminarian kelp, indigenous to the temperate regions of Japan, China and Korea. It has spread around the world by international shipping and has also been introduced in some regions for mariculture. Its expansion into the northern Patagonian gulfs and Peninsula Valdes, a UNESCO Natural Heritage Site, may threaten eco-tourism activities that depend on local biodiversity and the esthetic quality of the ecosystem. In particular, there is concern about the impact of Undaria on a variety of recreational activities including diving, angling and spear fishing, which...
Tipo: Theses and Dissertations Palavras-chave: Reef fish; Ecological associations; Introduced species; Habitat; Environmental impact; Environmental monitoring; Census; Undaria pinnatifida; Marine environment.
Ano: 2010 URL: http://hdl.handle.net/1834/4774
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Essai de cryoconservation des gamétophytes de l'algue alimentaire Undaria pinnatifida (Laminariale) ArchiMer
Arbault, Suzanne; Renard, Philippe; Pérez, Rene; Kaas, Raymond.
Low temperature tolerance was determined for gametophytes of food alga Undaria pinnatifida according to various cryopreservation methods. Survival durations after storage in a medium containing 28% glycerol at −80 °C or in a 5-10% glycerol solution at −196 °C were only 9 and 4 days respectively. On the other hand, cooling at 5 °C/min. and storage at −15 °C for 15 minutes, without cryoprotective medium, did not reduce viability but this was highly decreased by storage for 15 minutes at −30 or −196 °C, with or without DMSO. The morphological cooling injuries were depigmentation and/or a contraction of the cells.
Tipo: Text Palavras-chave: Algue; Cryoconservation; Gamétophyte; Undaria pinnatifida; Alga; Cryopreservation; Gametophyte; Undaria pinnatifida.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00189/30071/28559.pdf
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Etat actuel de l'introduction d'organismes marins non-indigènes ArchiMer
Marteil, Louis.
Le présent rapport fera le point sur les introductions d'organismes marins non-indigènes effectuées en France depuis 1971, en se référant au questionnaire qui a servi de base à l'établissement du rapport initial.
Tipo: Text Palavras-chave: Introduction espèces; Crassostrea gigas; Crassostrea angulata; Crassostrea rhizophorae; Homarus americanus; Homarus vulgaris; Pseudostylochus; Undaria pinnatifida.
Ano: 1973 URL: http://archimer.ifremer.fr/doc/00021/13217/10277.pdf
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Potential Use of Polysaccharides from the Brown Alga Undaria pinnatifida as Anticoagulants BABT
Faggio,Caterina; Morabito,Marina; Minicante,Simona Armeli; Piano,Giada Lo; Pagano,Maria; Genovese,Giuseppa.
Undaria pinnatifida (U. pinnatifida) is a highly invasive species and has caused concern all over the world because it has invaded coastal environments, has the potential to displace native species, significantly alters habitat for associated fauna, and disturbs navigation. Any attempt to eradicate it would be futile, owing to the elusive, microscopic gametophyte, and because the alga thrives in sites rich in anthropic activities. Venice Lagoon is the largest Mediterranean transitional environment and the spot of the highest introduction of non-indigenous species, including U. pinnatifida, which is removed as a waste. We demonstrated that polysaccharide extracts from U. pinnatifida have an anticoagulant effect on human blood in vitro and are not cytotoxic....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Algal extract; Anticoagulant activity; Cytotoxicity; Fucoidans; Human blood cells; Undaria pinnatifida.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132015000500798
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Technique de culture pour les cotes bretonnes de l'algue alimentaire Undaria pinnatifida. Tableau de marché - étude économique ArchiMer
Perez, René; Kaas, Raymond; Barbaroux, Olivier; Arbault, Suzanne; Le Bayon, Nicolas; Moigne, J.
Introduction Starting in 1986, the ANVAR contributed well appreciated financial support in order to set up an original seeding technique characterized by artificial seeding production in a laboratory. This advantageous new way of seeding, i.e. independency from nature, yield increase and true competitiveness compared to traditional methods, nevertheless requires strict adherence to a procedure progressively elaborated during numerous trials in laboratory as well as at sea. The program ended in July 1989 after testing the cultivation protocol on a 2 hectare exploitation scale, in order to better detect what could be improved to greatly increase productivity, facilitate the work of the harvester and to better adapt the operating mode to environmental...
Tipo: Text Palavras-chave: Economic survey; Brittany; Farming technique; Seaweed; Undaria pinnatifida; Etude économique; Bretagne; Technique de culture; Algue; Undaria pinnatifida.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/1990/rapport-1659.pdf
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