PMID: 9175503May 1, 1997Paper

The effects of used motor oil, silt, and the water mold Saprolegnia parasitica on the growth and survival of mole salamanders (genus Ambystoma)

Archives of Environmental Contamination and Toxicology
H LefcortD C Rostal

Abstract

Amphibians appear to be declining worldwide. One cause of their decline may be used crankcase oil which leaks from motor vehicles and washes into ponds. Once in ponds, the oil may either be directly toxic to amphibians, or may indirectly affect them by disrupting food chains. The effects of oil may also be compounded by naturally occurring materials in the water column such as silt. Silt may interfere with respiration across gill surfaces. This study examined the effects of oil and silt on the growth and metamorphosis of larval mole salamanders, Ambystoma opacum and A. tigrinum tigrinum. In Experiment One it examined ponds with and without silty water and oil pollution to determine their suitability as habitats for salamander larvae. In Experiment Two it studied the effects of low levels of oil combined with silt on animals raised in the laboratory and fed prey items not raised in oil. In Experiment Three, it explored the effects of oil at an ecosystem level by raising the salamanders in the field in plastic micromesocosms that mimicked small ponds. Finally, in Experiment Four, in the laboratory, it examined the short-term survival of salamanders in high concentrations of oil. This study found that ponds containing oil and silt...Continue Reading

Citations

May 5, 2010·Ecotoxicology·Thomas BommaritoRichard S Halbrook
Nov 25, 2003·The Science of the Total Environment·John W FleegerRoger M Nisbet
Jan 17, 2002·Evolution; International Journal of Organic Evolution·A Hoang
Feb 26, 2016·Journal of Environmental Radioactivity·Francisco J A Nascimento, Clare Bradshaw
Sep 15, 2005·Environmental Pollution·Domenico Sanzo, Stephen J Hecnar
Nov 4, 2008·Environmental Research·Nancy E Karraker, Gregory R Ruthig
Aug 19, 2016·Environmental Science and Pollution Research International·Mikołaj KaczmarskiWioletta Sośnicka
Jul 20, 2019·Ecological Applications : a Publication of the Ecological Society of America·Hunter J HowellChristopher A Searcy

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