NDLI: Influence of Petroleum Hydrocarbon Contamination on Microalgae and Microbial Activities in a Long-Term Contaminated Soil

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A Multidisciplinary Approach to Assess History, Environmental Risks, and Remediation Feasability of Soils Contaminated by Metallurgical Activities. Part A: Chemical and Physical Properties of Metals and Leaching Ability

A Multidisciplinary Approach to Assess History, Environmental Risks, and Remediation Feasability of Soils Contaminated by Metallurgical Activities. Part B: Direct Metal Speciation in the Solid Phase

Characterization of Selected Element Concentrations and Enrichment Ratiosin Background and Anthropogenically Impacted Roadside Areas

Influence of Petroleum Hydrocarbon Contamination on Microalgae and Microbial Activities in a Long-Term Contaminated Soil

The Role of Ingestion as a Route of Contaminant Bioaccumulation in a Deposit-Feeding Polychaete

Effects of Cadmium and Phenol on Motility and Ultrastructure of Sea Urchin and Mussel Spermatozoa

Polychlorinated Biphenyls and Metals in Marine Species from French Frigate Shoals, North Pacific Ocean

Ultrastructural Localization of Heavy Metals (Hg, Ag, Pb, and Cu) in Gills and Digestive Gland of Mussels, Mytilus galloprovincialis (L.)

Selenium Concentrations in the Colorado Pikeminnow (Ptychocheilus lucius): Relationship with Flows in the Upper Colorado River

Ecotoxicological Assessment of Persistent Organic and Heavy Metal Contamination in Hong Kong Coastal Sediment

Vitellogenin Induction and Other Biochemical Responses in Carp, Cyprinus carpio, After Experimental Injection with 17α-Ethynylestradiol

Metals and Metalloids in Tissues of American Alligators in Three Florida Lakes

Toxic Assessment of PCBs by the 2,3,7,8-Tetrachlorodibenzo-p-Dioxin Equivalent in Common Cormorant (Phalacrocorax carbo) from Japan

Mixed-Function Oxygenases, Oxidative Stress, and Chromosomal Damage Measured in Lesser Scaup Wintering on the Indiana Harbor Canal

Strychnine Alkaloid and Avian Reproduction: Effects Occur at Lower Dietary Concentrations with Mallard Ducks Than with Bobwhite Quail

Sensitivity of a Standard Host Resistance Assay Using Streptococcus agalactiae for Assessing Exposure to Immunotoxicants in Wild Cotton Rats (Sigmodon hispidus)

Malathion Deposition, Metabolite Clearance, and Cholinesterase Status of Date Dusters and Harvesters in California

Archives of Environmental Contamination and Toxicology : Volume 38, Issue 3, April 2000

Archives of Environmental Contamination and Toxicology : Volume 38, Issue 2, February 2000

Archives of Environmental Contamination and Toxicology : Volume 38, Issue 1, January 2000

Archives of Environmental Contamination and Toxicology : Volume 37

Archives of Environmental Contamination and Toxicology : Volume 36

Archives of Environmental Contamination and Toxicology : Volume 35

Archives of Environmental Contamination and Toxicology : Volume 34

Archives of Environmental Contamination and Toxicology : Volume 33

Archives of Environmental Contamination and Toxicology : Volume 32

Influence of Petroleum Hydrocarbon Contamination on Microalgae and Microbial Activities in a Long-Term Contaminated Soil

Content Provider	Springer Nature Link
Author	Megharaj, M. Singleton, I. McClure, N. C. Naidu, R.
Copyright Year	2000
Abstract	Petroleum hydrocarbons are widespread environmental pollutants. Although biodegradation of petroleum hydrocarbons has been the subject of numerous investigations, information on their toxicity to microorganisms in soil is limited, with virtually no work conducted on soil algae. We carried out a screening experiment for total petroleum hydrocarbons (TPH) and their toxicity to soil algal populations, microbial biomass, and soil enzymes (dehydrogenase and urease) in a long-term TPH-polluted site with reference to an adjacent unpolluted site. Microbial biomass, soil enzyme activity, and microalgae declined in medium to high-level (5,200–21,430 mg kg−1 soil) TPH-polluted soils, whereas low-level (<2,120 mg kg−1 soil) pollution stimulated the algal populations and showed no effect on microbial biomass and enzymes. However, inhibition of all the tested parameters was more severe in soil considered to have medium-level pollution than in soils that were highly polluted. This result could not be explained by chemical analysis alone. Of particular interest was an observed shift in the species composition of algae in polluted soils with elimination of sensitive species in the medium to high polluted soils. Also, an algal growth inhibition test carried out using aqueous eluates prepared from polluted soils supported these results. Given the sensitivity of algae to synthetic pollutants, alteration in the algal species composition can serve as a useful bioindicator of pollution. The results of this experiment suggest that chemical analysis alone is not adequate for toxicological estimations and should be used in conjunction with bioassays. Furthermore, changes in species composition of algae proved to be more sensitive than microbial biomass and soil enzyme activity measurements.
Starting Page	439
Ending Page	445
Page Count	7
File Format	PDF
ISSN	00904341
Journal	Archives of Environmental Contamination and Toxicology
Volume Number	38
Issue Number	4
e-ISSN	14320703
Language	English
Publisher	Springer-Verlag
Publisher Date	2000-05-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Medicine Toxicology

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Guidelines for surfactant selection to treat petroleum hydrocarbon-contaminated soils.

Influence of Petroleum Hydrocarbon Contamination on Microalgae and Microbial Activities in a Long-Term Contaminated Soil

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