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Science 30 June 1978:
Vol. 200. no. 4349, pp. 1489 - 1491
DOI: 10.1126/science.663631
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Articles

Science, Vol 200, Issue 4349, 1489-1491
Copyright © 1978 by American Association for the Advancement of Science

articles

Mercury concentrations in Pacific hake, Merluccius productus (Ayres), as a function of length and latitude

NH Cutshall, Naidu JR, and WG Pearcy

Mercury concentrations in Pacific hake increase with fish size and with the latitude of collection. While the mercury-size trend is consistent with data for other species, the latitudinal trend is opposite to that reported for other fishes over the same geographical area. Consequently, latitudinal trends of mercury concentrations in fishes do not necessarily indicate trends of mercury concentrations in water. Food habits and metabolism may cause the observed variations.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)