NDLI: Effects of Copper and Zinc on Embryos and Larvae of the Horseshoe Crab, Limulus polyphemus

Content Provider	Springer Nature Link
Author	Botton, M. L. Johnson, K. Helleby, L.
Copyright Year	1998
Abstract	We investigated the short-term and long-term effects of copper and zinc on horseshoe crab (Limulus polyphemus) embryos and first instar larvae from two estuaries in New Jersey, Delaware Bay and Sandy Hook Bay. Animals were exposed to nominal metal concentrations from 0.01 to 1,000 mg/L for 24 h, 48 h, 72 h, or continuously until the endpoint for the study (successful molting or death) was reached. Larvae showed greater tolerance of Cu and Zn than embryos. Under most treatment regimes, embryos and larvae were able to survive and molt in the presence of up to 100 mg/L Cu or Zn. Unexpectedly, horseshoe crabs from the more heavily polluted site (Sandy Hook Bay) were more susceptible to heavy metals than animals from a less polluted site (lower Delaware Bay). Horseshoe crab embryos and larvae were highly resistant to heavy metals in comparison to marine crustacea. The ability of Limulus embryos and larvae to survive in the presence of heavy metals implies the potential for these contaminants to be passed on to shorebirds and other predators.
Starting Page	25
Ending Page	32
Page Count	8
File Format	PDF
ISSN	00904341
Journal	Archives of Environmental Contamination and Toxicology
Volume Number	35
Issue Number	1
e-ISSN	14320703
Language	English
Publisher	Springer-Verlag
Publisher Date	1998-07-01
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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