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You are here: Home / Data and maps / Indicators / Trends in aquaculture production, and newly introduced cultured and associated species in European Seas.

Trends in aquaculture production, and newly introduced cultured and associated species in European Seas.

Assessment made on  01 May 2004

Generic metadata

Classification

Water Water (Primary theme)

Agriculture Agriculture

Coasts and seas Coasts and seas

DPSIR: Driving force

Identification

Indicator codes
  • WEC 07b
Geographical coverage:

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Contents
 

Policy issue:  Is the deterioration of aguatic ecosystems and habitats prevented?

Key messages

  • Despite the steadily increasing production from aquaculture since the 1970s, there has been no increase of aquaculture-related introduced species in the marine environment. Introductions of intentionally cultured and associated species have decreased by 33 % and 48 % respectively over the same time span, suggesting the success of EU policies in regulating and safeguarding possible adverse effects of aquaculture-related environmental hazards.

Figures

Key assessment

A great number (124) of alien species have been introduced in relation to aquaculture purposes (deliberate introductions and accidental associated species) in European Waters. Examining the last 30 years (in order to compare the rate of introduction with known aquaculture production) their number have decreased (see Figure 1 and Table 1) suggesting the success of EU policies in regulating and safeguarding possible adverse effects of aquaculture-related environmental hazards.

The higher decline rate of associated species compared to the slower decline rate of deliberately introduced species (48 and 33% respectively) in conjunction with the small peak exhibited in the latter 1980s, supports the argument of improvement of environmental protection.

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European Environment Agency (EEA)
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1050 Copenhagen K
Denmark
Phone: +45 3336 7100