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Measuring biological responses at different levels of organisation to assess the effects of diffuse contamination derived from harbour and industrial activities in estuarine areas.

Abstract: To evaluate the effects of diffuse contamination, biological measurements were applied in a scrap cargo harbour, a marina and an industrial area. Metal accumulation and biomarkers (survival in air, digestive gland and gonad histopathology, lysosomal membrane stability, intralysosomal metal accumulation, transcription of vitellogenin and MT20, peroxisome proliferation and micronuclei formation) were measured in transplanted mussels, together with metrics of benthic invertebrates. Benthic species were classified into ecological groups and univariate indexes were calculated. The marina showed high richness (16) and percentage of opportunistic species (55.1%) and low metal accumulation. Mussels in the scrap cargo harbour showed high metal accumulation, upregulation of MT20 transcription, reduced health status (LP b 6 min) and increased micronuclei frequencies (up to 11.3‰). At the industrial area, low species richness (4) and badly organised assemblages were detected and chemical analyses indicated significant amounts of bioavailable metals. Overall, selected biological measurements showed potential for the assessment of diffuse contamination.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Marine Pollution Bulletin, 103(1–2), pp.301–312.

Editorial: Elsevier Ltd

 Año de publicación: 2016

Nº de páginas: 12

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.marpolbul.2015.11.056

ISSN: 0025-326X,1879-3363

Proyecto español: 018/RN08/02.1 ; CTM2009-11206 TECNO ; GIC07/26-IT-393-07 ; GIC 12/IT810-13 ; UPV/EHU UFI 11/37

Url de la publicación: http://dx.doi.org/10.1016/j.marpolbul.2015.11.056

Autores/as

ANA DE LOS RIOS GUTIERREZ

PÉREZ, L.

BEATRIZ ECHAVARRI ERASUN

SERRANO, T.

BARBERO, M.C.

ORTIZ-ZARRAGOITIA, M.

CAJARAVILLE, M.P.