Effects of south Louisiana crude oil and dispersants on Rhizophora mangroves

Teas, Howard J.; Duerr, Eirik O.; Wilcox, J. Ross

doi:10.1016/0025-326x(87)90132-9

Cited by 15 publications

(8 citation statements)

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“…However, because mangroves span the air/water boundary, they come into direct contact with spilled oil, and the physiological adaptations that mangroves have evolved to survive anaerobic soils make them particularly vulnerable to smothering by oil slicks. The specialized gas‐exchange pneumatophores are susceptible to clogging, and when they are blocked the roots die from lack of oxygen [48,49].…”

Section: Status Of Knowledge About Chemical Stressors In Tropical Marmentioning

confidence: 99%

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Ecotoxicology of tropical marine ecosystems

Peters

Gassman

Firman

et al. 1997

Enviro Toxic and Chemistry

311

133

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Abstract-The negative effects of chemical contaminants on tropical marine ecosystems are of increasing concern as human populations expand adjacent to these communities. Watershed streams and ground water carry a variety of chemicals from agricultural, industrial, and domestic activities, while winds and currents transport pollutants from atmospheric and oceanic sources to these coastal ecosystems. The implications of the limited information available on impacts of chemical stressors on mangrove forests, seagrass meadows, and coral reefs are discussed in the context of ecosystem management and ecological risk assessment. Three classes of pollutants have received attention: heavy metals, petroleum, and synthetic organics such as herbicides and pesticides. Heavy metals have been detected in all three ecosystems, causing physiological stress, reduced reproductive success, and outright mortality in associated invertebrates and fishes. Oil spills have been responsible for the destruction of entire coastal shallow-water communities, with recovery requiring years. Herbicides are particularly detrimental to mangroves and seagrasses and adversely affect the animal-algal symbioses in corals. Pesticides interfere with chemical cues responsible for key biological processes, including reproduction and recruitment of a variety of organisms. Information is lacking with regard to long-term recovery, indicator species, and biomarkers for tropical communities. Critical areas that are beginning to be addressed include the development of appropriate benchmarks for risk assessment, baseline monitoring criteria, and effective management strategies to protect tropical marine ecosystems in the face of mounting anthropogenic disturbance.

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Section: Status Of Knowledge About Chemical Stressors In Tropical Marmentioning

confidence: 99%

“…Gundlach and Hayes [63] concluded that mangroves are the coastal marine environment most vulnerable to oil spill impacts [see also 64]. Oil spills from tankers have caused massive die‐offs of mangroves and their associated organisms [42,48,62,65–71, reviewed in 55].…”

Section: Status Of Knowledge About Chemical Stressors In Tropical Marmentioning

confidence: 99%

Ecotoxicology of tropical marine ecosystems

Peters

Gassman

Firman

et al. 1997

Enviro Toxic and Chemistry

311

133

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“…The main ecological benefits of mangroves include that they provide many species of animals and plants, including fish and shrimps, with habitat, forage, breeding and nursery area (Imhoff *Corresponding author. Email: msr@geogr.ku.dk et al 1986, Teas et al 1987, Dewalt and Vergne 1996, Long and Skewes 1996, Panapitukkul et al 1998, Vasconcelos et al 2002, Mumby et al 2004, DahdouhGuebas et al 2005, Lewis III 2005, Zharikov et al 2005. They play a central role in the biogeochemical cycles of the coastal environment (Baltzera et al 2004, Gonneea et al 2004.…”

Section: Introductionmentioning

confidence: 95%

“…Studies indicate that mangroves provide security by acting as physical barriers against waves, currents and storms (Imhoff et al 1986, Teas et al 1987, Panapitukkul et al 1998, Dahdouh-Guebas et al 2005, Lewis III 2005, Williams 2005). Studies also indicate that mangroves inhibit coastal erosion (Blasco et al 1996, Dewalt and Vergne 1996, Vasconcelos et al 2002, Williams 2005 and create a buffer against floods (Dugan 1990).…”

Section: Introductionmentioning

confidence: 98%

“…Mangroves are of value to the economy and livelihood of local human populations as a source of products such as fish, shrimps, timber, poles, firewood, charcoal, wood pulp, fodder, thatch, medicinal products, bark for tanning materials and chemicals for industry (Teas et al 1987, Dugan 1990, Blasco et al 1996, Nguyen et al 1998, Panapitukkul et al 1998, Lewis III 2005. Mangroves are also important for water quality maintenance (Long andSkewes 1996, Nguyen et al 1998) and for recreation and education (Long and Skewes 1996).…”

Section: Introductionmentioning

confidence: 99%

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Using remote sensing to assess the protective role of coastal woody vegetation against tsunami waves

Olwig

Sørensen

Rasmussen

et al. 2007

International Journal of Remote Sensing

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This paper describes how remote sensing techniques were used to study the effect of mangroves and other woody coastal vegetation as a protective measure against the 2004 Indian Ocean Tsunami. Remote sensing made it possible to compare pre-and post-Tsunami images of large areas. A study site was selected based on medium resolution Landsat imagery and existing topographic maps. Selection criteria included substantial damages reported, presence of woody vegetated and non-vegetated shorelines, homogeneous bathymetry and good coverage of preand post-Tsunami satellite imagery. The Pichawaram mangrove, Tamil Nadu, India, matched these criteria. Pre-and post-Tsunami Ikonos and QuickBird images were compared through the visual interpretation of pre-Tsunami coastal vegetation and post-Tsunami damage. The results were validated in the field. The analysis showed that mangrove forests and coastal shelterbelts provided protection from the Tsunami. This was concluded from analysing the spatial distribution of damage relative to woody vegetation along the coast as well as transects detailing the amount of damage behind the coastline and the coastal woody vegetation.

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References

Saenger

2002

Mangrove Ecology, Silviculture and Conservation

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Effects of south Louisiana crude oil and dispersants on Rhizophora mangroves

Cited by 15 publications

References 1 publication

Ecotoxicology of tropical marine ecosystems

Ecotoxicology of tropical marine ecosystems

Using remote sensing to assess the protective role of coastal woody vegetation against tsunami waves

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