Physiological aspects of mangrove (Laguncularia racemosa) grown in microcosms with oil-degrading bacteria and oil contaminated sediment

Vanessa Sodré; Vanessa S. Caetano; Renata M. Rocha; Flávia L. Carmo; Leonardo O. Medici; Raquel S. Peixoto; Alexandre S. Rosado; Fernanda Reinert

doi:10.1016/j.envpol.2012.09.003

Physiological aspects of mangrove (Laguncularia racemosa) grown in microcosms with oil-degrading bacteria and oil contaminated sediment

Vanessa Sodré, Vanessa S. Caetano, Renata M. Rocha, Flávia L. Carmo, Leonardo O. Medici, Raquel S. Peixoto, Alexandre S. Rosado, Fernanda Reinert

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

To assess the severity of oil spills on mangroves, diagnosis of the vegetation health is crucial. Some aspects of photosynthesis such as photochemical efficiency and leaf pigment composition together with the level of oxidative stress may constitute reliable indicators for vegetation health. To test this approach 14 month old Laguncularia racemosa were contaminated with 5 L m-2 of the marine fuel oil MF-380 and treated with an oil degrading bacterial consortium in microcosms. Contamination resulted in a 20% decrease in shoot dry weight after 128 days. Photochemical efficiency, pigment content, catalase and ascorbate peroxidase remained unchanged. Multivariate ordination of DGGE microbial community fingerprints revealed a pronounced separation between the oil contaminated and the non-contaminated samples. Further studies are necessary before physiological parameters can be recommended as indicators for plant's health in oil polluted mangroves. © 2012 Published by Elsevier Ltd.

Original language	English (US)
Pages (from-to)	243-249
Number of pages	7
Journal	Environmental Pollution
Volume	172
DOIs	https://doi.org/10.1016/j.envpol.2012.09.003
State	Published - Jan 1 2013
Externally published	Yes

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10.1016/j.envpol.2012.09.003

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title = "Physiological aspects of mangrove (Laguncularia racemosa) grown in microcosms with oil-degrading bacteria and oil contaminated sediment",

abstract = "To assess the severity of oil spills on mangroves, diagnosis of the vegetation health is crucial. Some aspects of photosynthesis such as photochemical efficiency and leaf pigment composition together with the level of oxidative stress may constitute reliable indicators for vegetation health. To test this approach 14 month old Laguncularia racemosa were contaminated with 5 L m-2 of the marine fuel oil MF-380 and treated with an oil degrading bacterial consortium in microcosms. Contamination resulted in a 20% decrease in shoot dry weight after 128 days. Photochemical efficiency, pigment content, catalase and ascorbate peroxidase remained unchanged. Multivariate ordination of DGGE microbial community fingerprints revealed a pronounced separation between the oil contaminated and the non-contaminated samples. Further studies are necessary before physiological parameters can be recommended as indicators for plant's health in oil polluted mangroves. {\textcopyright} 2012 Published by Elsevier Ltd.",

author = "Vanessa Sodr{\'e} and Caetano, {Vanessa S.} and Rocha, {Renata M.} and Carmo, {Fl{\'a}via L.} and Medici, {Leonardo O.} and Peixoto, {Raquel S.} and Rosado, {Alexandre S.} and Fernanda Reinert",

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AU - Sodré, Vanessa

AU - Caetano, Vanessa S.

AU - Rocha, Renata M.

AU - Carmo, Flávia L.

AU - Medici, Leonardo O.

AU - Peixoto, Raquel S.

AU - Rosado, Alexandre S.

AU - Reinert, Fernanda

N1 - Generated from Scopus record by KAUST IRTS on 2021-02-16

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N2 - To assess the severity of oil spills on mangroves, diagnosis of the vegetation health is crucial. Some aspects of photosynthesis such as photochemical efficiency and leaf pigment composition together with the level of oxidative stress may constitute reliable indicators for vegetation health. To test this approach 14 month old Laguncularia racemosa were contaminated with 5 L m-2 of the marine fuel oil MF-380 and treated with an oil degrading bacterial consortium in microcosms. Contamination resulted in a 20% decrease in shoot dry weight after 128 days. Photochemical efficiency, pigment content, catalase and ascorbate peroxidase remained unchanged. Multivariate ordination of DGGE microbial community fingerprints revealed a pronounced separation between the oil contaminated and the non-contaminated samples. Further studies are necessary before physiological parameters can be recommended as indicators for plant's health in oil polluted mangroves. © 2012 Published by Elsevier Ltd.

AB - To assess the severity of oil spills on mangroves, diagnosis of the vegetation health is crucial. Some aspects of photosynthesis such as photochemical efficiency and leaf pigment composition together with the level of oxidative stress may constitute reliable indicators for vegetation health. To test this approach 14 month old Laguncularia racemosa were contaminated with 5 L m-2 of the marine fuel oil MF-380 and treated with an oil degrading bacterial consortium in microcosms. Contamination resulted in a 20% decrease in shoot dry weight after 128 days. Photochemical efficiency, pigment content, catalase and ascorbate peroxidase remained unchanged. Multivariate ordination of DGGE microbial community fingerprints revealed a pronounced separation between the oil contaminated and the non-contaminated samples. Further studies are necessary before physiological parameters can be recommended as indicators for plant's health in oil polluted mangroves. © 2012 Published by Elsevier Ltd.

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JO - Environmental Pollution

JF - Environmental Pollution

ER -

Physiological aspects of mangrove (Laguncularia racemosa) grown in microcosms with oil-degrading bacteria and oil contaminated sediment

Abstract

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