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Abstract:

Between July 2007 and December 2008 we surveyed 194 commercial vessels for compliance with ballast water (BW) regulations at five Argentine ports (four of them along the Patagonian coast). Our survey included the inspection of the BW reporting forms and collection of BW samples for salinity and biological (plankton) analyses from 261 BW tanks. Most (77%) ships had some type of BW form on board, but the information in these forms was often unclear, incomplete or inconsistent and did not allow tracking the origin of the BW. Salinity of the BW was often in conflict with the reported geographic location of BW exchange, and the reported volumes of BW discharged in the ports surveyed appeared to be fictitious. Most (80%) BW tanks contained identifiable organisms, usually in very good state of preservation, totaling 408 plant and animal taxa, but only three of these had not been previously recorded in Argentina (two diatoms and one copepod). In spite of the fact that compliance with national and international regulations and guidelines on BW management is poor in the area, the number of recorded marine aquatic nonindigenous species (ANS) in Argentina is comparatively low (ca. 40). Several factors seem to buffer the Argentine coastline from ANS: (1) the low activity of most Patagonian ports; (2) the fact that most (61%) incoming ship traffic originates from domestic ports or areas unlikely to supply ANS; (3) the harsh environmental conditions (cold and turbulent, with few sheltered areas); and (4) the scarcity of hard substrates. In order to maintain its waters relatively free of ANS, Argentina needs to significantly increase its efforts at enforcing existing international and national legislation, and to revise and update its standards on BW management. We anticipate that the problems encountered are also characteristic of many other developing countries, both in South America and elsewhere, where compliance with IMO's BW guidelines is still seldom tested or enforced. © 2011 Elsevier Ltd.

Registro:

Documento: Artículo
Título:Biological invasions: Assessment of threat from ballast-water discharge in Patagonian (Argentina) ports
Autor:Boltovskoy, D.; Almada, P.; Correa, N.
Filiación:Depto. EGE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Buenos Aires, Argentina
Prefectura Naval Argentina, Argentina
Servicio de Hidrografía Naval, Buenos Aires, Argentina
Palabras clave:Argentina; Ballast water; Invasive species; Patagonia; aquatic species; Argentina; article; copepod; diatom; geography; government regulation; law; nonhuman; plankton; practice guideline; priority journal; salinity; ship; species invasion; waste water management; Animalia; Bacillariophyta; Copepoda
Año:2011
Volumen:14
Número:5
Página de inicio:578
Página de fin:583
DOI: http://dx.doi.org/10.1016/j.envsci.2011.03.007
Título revista:Environmental Science and Policy
Título revista abreviado:Environ. Sci. Policy
ISSN:14629011
CODEN:ESCPF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14629011_v14_n5_p578_Boltovskoy

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Citas:

---------- APA ----------
Boltovskoy, D., Almada, P. & Correa, N. (2011) . Biological invasions: Assessment of threat from ballast-water discharge in Patagonian (Argentina) ports. Environmental Science and Policy, 14(5), 578-583.
http://dx.doi.org/10.1016/j.envsci.2011.03.007
---------- CHICAGO ----------
Boltovskoy, D., Almada, P., Correa, N. "Biological invasions: Assessment of threat from ballast-water discharge in Patagonian (Argentina) ports" . Environmental Science and Policy 14, no. 5 (2011) : 578-583.
http://dx.doi.org/10.1016/j.envsci.2011.03.007
---------- MLA ----------
Boltovskoy, D., Almada, P., Correa, N. "Biological invasions: Assessment of threat from ballast-water discharge in Patagonian (Argentina) ports" . Environmental Science and Policy, vol. 14, no. 5, 2011, pp. 578-583.
http://dx.doi.org/10.1016/j.envsci.2011.03.007
---------- VANCOUVER ----------
Boltovskoy, D., Almada, P., Correa, N. Biological invasions: Assessment of threat from ballast-water discharge in Patagonian (Argentina) ports. Environ. Sci. Policy. 2011;14(5):578-583.
http://dx.doi.org/10.1016/j.envsci.2011.03.007