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
A study on the Construction and Ecological succession of two Small Artificial Reefs on the Swedish West Coast
Halmstad University, School of Business and Engineering (SET).
Halmstad University, School of Business and Engineering (SET).
2014 (English)Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
Abstract [en]

Artificial reefs are being built in most parts of the world for a wide variety of purposes. Divingtourism is a common motivator for the construction of many reefs, particularly in the tropics,although the most widely used purpose is to improve or reconstruct hard bottom habitats andincrease the yield from fisheries. There are two main reasons for why aquatic life is attracted toartificial reefs. They provide excellent protection by often being hollow or filled with crevicesand cavities and increasing opportunities for improved foraging through accumulating biomassand extending the foraging range of an organism by acting like stepping stones. Sweden is acoastal country with few artificial reefs. In this study, two reefs were constructed in the sea offthe coast of Halmstad, Sweden to test small scale artificial reef production, marine organismcolonisation of the reefs during the first year, and to increase the local marine life diversity.Many marine organisms that would not normally occur in the sites where the reefs wereconstructed were observed, such as Symphodus melops and Anguilla anguilla. The reefs alsoprovided a new “clean slate” substrate for the settling of sessile organisms such as Urticina felinaor partially sessile organisms (i.e. during a certain stage of their life-cycle) such as some speciesof Cnidaria polyps. The tested method to construct these reefs was relatively cost effective for itspurpose. However a few minor but vital improvements, such as better binding materials, areneeded. Local marine life in the area has become more diverse during the experiment and thatalone is enough reason to motivate construction of similar reefs along the Swedish coast.

Abstract [sv]

Artificiella rev anläggs runt om i världen med en mängd olika syften. Det är vanligt att dykturism används som anledning för att bygga artificiella rev, speciellt i tropikerna. Restaurering av hårdbottenrev och mål att öka kommersiella fiskebestånd är dock de största motiveringarna. Det finns två huvudsakliga orsaker till varför akvatiskt liv attraheras av konstgjorda rev. De erbjuder utmärkt skydd i form av håligheter och sprickor, samt att de ökar möjligheterna för födosök genom att ackumulera biomassa och fungera som ”stepping stones”, det vill säga utöka födosökningsområdet. Sverige är ett kustland med få artificiella rev. Två rev anlades i Laholmsbukten, Kattegatt, just utanför Tjuvahålan i Halmstad med syftet att undersöka effektiviteten och nyttan av småskaliga rev, att studera marina organismers kolonisering av reven och att öka den lokala biodiversiteten. Många marina organismer som inte borde förkommit i området där reven anlagts tidigare observerades. Ett par exempel är Symphodus melops) och (Anguilla anguilla). Reven fungerade även som rena underlag för sessila organismer att fästa på. Djur som till exempel havsros (Urticina felina) och Cnidariapolyper noterades. Metoden för att konstruera reven visade sig vara kostnadseffektiv i förhållande till syftet, men några viktiga steg, bland annat fästmaterialet, behöver förbättras. Den lokala artmångfalden ökade efter anläggningen av reven och borde vara nog motivering för att fortsätta bygga liknande rev längs den svenska kusten.

Place, publisher, year, edition, pages
2014. , 25 p.
Keyword [en]
artificial reef, construction, marine fauna, swedish west coast, diving tourism, succession
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hh:diva-26738OAI: oai:DiVA.org:hh-26738DiVA: diva2:760263
Subject / course
Biology
Presentation
2014-09-01, P115, Linjegatan 7, 302 50 Halmstad, 13:15 (Swedish)
Supervisors
Examiners
Available from: 2014-11-04 Created: 2014-10-13 Last updated: 2014-11-04Bibliographically approved

Open Access in DiVA

A study on the Construction and Ecological succession of two Small Artificial Reefs on the Swedish West Coast(1338 kB)320 downloads
File information
File name FULLTEXT01.pdfFile size 1338 kBChecksum SHA-512
d9cc62b665f0b63ac0b62b186ee738f0bc70fbe3b8bc17f68475e52deb99165fdba83d019eda1769a4e86092decbce3bbd56472944fea9e1b7baa61366bc5aac
Type fulltextMimetype application/pdf

Search in DiVA

By author/editor
Forsberg, MalinJärlind, Joakim
By organisation
School of Business and Engineering (SET)
Biological Sciences

Search outside of DiVA

GoogleGoogle Scholar
Total: 320 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: 433 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