First environmental monitoring of offshore gas drilling discharges in the deltana platform, venezuela Report as inadecuate




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A Cróquer ; C Bastidas ; D Bone ; R Ramos ;Ciencias Marinas 2011, 37 (2)

Author: E García

Source: http://www.redalyc.org/


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Ciencias Marinas ISSN: 0185-3880 cmarinas@uabc.mx Universidad Autónoma de Baja California México García, E; Cróquer, A; Bastidas, C; Bone, D; Ramos, R First environmental monitoring of offshore gas drilling discharges in the Deltana Platform, Venezuela Ciencias Marinas, vol.
37, núm.
2, junio, 2011, pp.
141-155 Universidad Autónoma de Baja California Ensenada, México Available in: http:--www.redalyc.org-articulo.oa?id=48020772003 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Ciencias Marinas (2011), 37(2): 141–155 First environmental monitoring of offshore gas drilling discharges in the Deltana Platform, Venezuela C M Primer estudio ambiental de descargas asociadas con perforaciones de gas costa afuera en la Plataforma Deltana, Venezuela E García1, 2*, A Cróquer2, C Bastidas1, 2, D Bone1, 2, R Ramos2 1 2 Departamento de Biología de Organismos, Universidad Simón Bolívar, Apartado 89000, Caracas 1080-A, Venezuela. Centro de Estudios Ecotoxicológicos en Sistemas Marinos, Universidad Simón Bolívar, Valle de Sartenejas, Venezuela. * Corresponding author.
E-mail: emgarcia@usb.ve ABSTRACT.
The benthic macrofauna of two Deltana Platform offshore gas wells was assessed for the first time in Venezuela and correlated with changes in sediment chemistry after exploratory perforation.
A gradient analysis was performed at four distance intervals from the perforation site to 1000 m away.
At the Ballena well, samples were collected 15 days, 13 months, 19 months, and 30 months after the perforation at 190 m depth.
At the Cocuina well, sampling occurred immediately before, and 15 days and 12 months after the perforation at 350 m depth.
Principal component analysis and multidimensional scaling were used to assess spatial a...





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