Long-Term Trends in the Prevalence of Cancer and Other Major Diseases Among Flatfish in the Southeastern North Sea as Indicators of Changing Ecosystem Health

A.D. Vethaak, J.G. Jol, J.P.F. Pieters

Research output: Contribution to journalArticleAcademicpeer-review

31 Citations (Scopus)

Abstract

This paper analyses and discusses spatial and temporal patterns in the prevalence of major skin diseases (lymphocystis, epidermal hyperplasia/papilloma, ulcers), intestinal parasite Glugea sp., and liver cancer in dab (Limanda limanda) and flounder (Platichthys flesus) in the Dutch section of the North Sea since the mid-1980s. We have attempted to relate disease prevalence trends in both species to chemical contaminant exposure and other relevant environmental factors including fish condition factor, population density, fishing activity, and water temperature. We observed a long-term decline in chemical-related liver cancer in the populations of both species since the early 1990s. Lymphocystis and skin ulcer (flounder only) have also displayed a significant decrease since then. We conclude that the widespread decline in the prevalence of several skin diseases and liver cancer in dab and flounder in Dutch waters in the past two decades is most likely due to the improved water quality and health conditions in this region.
Original languageEnglish
Pages (from-to)2151-2158
JournalEnvironmental Science and Technology
Volume43
Issue number6
DOIs
Publication statusPublished - 2009

Fingerprint

flatfish
ecosystem health
Liver
Ecosystems
cancer
skin
Skin
Health
disease prevalence
Water
condition factor
Fish
Water quality
population density
parasite
fishing
environmental factor
water temperature
Impurities
water quality

Keywords

  • flounder platichthys-flesus
  • environmental-stress factors
  • dab limanda-limanda
  • estuarine waters
  • dutch coastal
  • liver
  • fish
  • lesions
  • exposure
  • skin

Cite this

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title = "Long-Term Trends in the Prevalence of Cancer and Other Major Diseases Among Flatfish in the Southeastern North Sea as Indicators of Changing Ecosystem Health",
abstract = "This paper analyses and discusses spatial and temporal patterns in the prevalence of major skin diseases (lymphocystis, epidermal hyperplasia/papilloma, ulcers), intestinal parasite Glugea sp., and liver cancer in dab (Limanda limanda) and flounder (Platichthys flesus) in the Dutch section of the North Sea since the mid-1980s. We have attempted to relate disease prevalence trends in both species to chemical contaminant exposure and other relevant environmental factors including fish condition factor, population density, fishing activity, and water temperature. We observed a long-term decline in chemical-related liver cancer in the populations of both species since the early 1990s. Lymphocystis and skin ulcer (flounder only) have also displayed a significant decrease since then. We conclude that the widespread decline in the prevalence of several skin diseases and liver cancer in dab and flounder in Dutch waters in the past two decades is most likely due to the improved water quality and health conditions in this region.",
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Long-Term Trends in the Prevalence of Cancer and Other Major Diseases Among Flatfish in the Southeastern North Sea as Indicators of Changing Ecosystem Health. / Vethaak, A.D.; Jol, J.G.; Pieters, J.P.F.

In: Environmental Science and Technology, Vol. 43, No. 6, 2009, p. 2151-2158.

Research output: Contribution to journalArticleAcademicpeer-review

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