Swedish Agency for Marine and Water Management

Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
GUIDELINES FOR COASTAL MONITORING: Fishery biology
Perfomers of environmental monitoring, Government Agencies, National Board of Fisheries.
Responsible organisation
1993 (English)Report (Other academic)
Abstract [en]

Fish are studied to an increasing extent in environmental monitoring around the coasts of Sweden, and the coastal fishery has a good potential for further development. Standardized techniques for long-term monitoring and prognosis of the size and productive capacity of fish populations, as well as continuous control of their health in a wide context thus are required. This report describes a basic programme and guide-lines designed to study coastal fish. The system also constitutes a basis for an integration of physiological health studies and measurements of contaminant levels with basic ecological data. Both population monitoring and collection of fish for analytical purposes are done by means of fishing using established methods — gill nets and fyke nets. A detailed description of the principles behind the system is given by Neuman (1985).

The monitoring and prognosis system is designed for coastal species. Such species mainly occur close to the bottom; the dominating pelagic fishes are mainly found further out to sea. In order to be able to link the reactions of the fish to the environmental situation in a specific study area, priority is given to stationary species, particularly with regard to measurements on the individual level. In addition, the system concentrates on relatively large species because they are often of commercial interest, they allow individual chemical and biological analyses and are easy to catch with established methods.

The species monitored, i.e., demersal (bottom-living) fairly large fish, can be grouped into two communities on the coasts of the Baltic: littoral, mainly stationary warm-water species, and less stationary cold-water species living in deeper water.The most common fish in the former group are perch, roach and ruffe, whereas the latter mainly consists of flounder, cod, sculpins, viviparous blenny, and whitefish. At the Swedish West Coast, cold-water species such as cod, flatfish, viviparousblenny and sea scorpion dominate also in shallow water; eel is the only major representative of warm-water fishes.

The design of the test fishing, as in all other monitoring of inter-year variations in biological processes, places strict demands on statistical planning. The methods described here have been developed through many years of pilot studies and statistical tests. By means of stratification as regards choice of species and sizegroups, depth intervals, stations and times of year, it has been possible to create statistically satisfactory programmes at reasonable expense. Consequently, this programme has a design that definitely separates it from inventory studies. However, such geographical mappings of, e.g., species distribution should be included in the preliminary studies that should be made prior to each individual monitoring programme.

Place, publisher, year, edition, pages
Öregrund: Kustlaboratoriet, Fiskeriverket , 1993. , p. 41
Series
Fiskeriverket Kustrapport 1992-1999, ISSN 1102-5670 ; 1993:1
Keywords [en]
fish, biology, reproduction, environmental monitoring, coastal fish
National Category
Environmental Sciences Ecology
Research subject
Finance, National; Environmental Objectives, A Rich Diversity of Plant and Animal Life
Identifiers
URN: urn:nbn:se:havochvatten:diva-299OAI: oai:DiVA.org:havochvatten-299DiVA, id: diva2:1455830
Available from: 2020-07-29 Created: 2020-07-29 Last updated: 2020-12-01

Open Access in DiVA

fulltext(10226 kB)59 downloads
File information
File name FULLTEXT01.pdfFile size 10226 kBChecksum SHA-512
97420a1814683e5bc169d3a5ec353921c757f7c1c3a87549ecfc9468ce220282032bab35a6f6cea0ec43dfbc83e3844a6baed5d5c918d406528e2e16c71a0d33
Type fulltextMimetype application/pdf

By organisation
National Board of Fisheries
Environmental SciencesEcology

Search outside of DiVA

GoogleGoogle Scholar
Total: 59 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 302 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf