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Manipulation of environmental variables and the effect on the growth of Haliclona sp.: implications for open-water aquaculture
Abdo, D.A.; Battershill, Ch.N.; Harvey, E.S. (2006). Manipulation of environmental variables and the effect on the growth of Haliclona sp.: implications for open-water aquaculture. Mar. Biol. Res. 2(5): 326-332. https://dx.doi.org/10.1080/17451000600820946
In: Marine Biology Research. Taylor & Francis: Oslo; Basingstoke. ISSN 1745-1000; e-ISSN 1745-1019
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Aquaculture
    Environmental effects
    Population functions > Growth
    Haliclona Grant, 1841 [WoRMS]
    Hamelin Bay [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Abdo, D.A.
  • Battershill, Ch.N.
  • Harvey, E.S.
Abstract
    We examined how the physical environment influences the growth and survival of an undescribed Haliclona species. To determine the influence that water movement, light and sediment had on the sponge, explants of Haliclona sp. (approximately 8 cm3 in size) were transplanted into manipulated microenvironments at Hamelin Bay on the west coast of Western Australia near Perth. The sponge is typically found under limestone ledges and appears to have distinct limits on the microenvironment in which it is found. A three-factor orthogonal design was used to manipulate levels of light, water flow and sedimentation. Each factor had two experimental levels, creating environments with high and low water movement, high and low light, and upward and downward orientations to control sediment levels. The survival of explants was high (100%). However, all explants showed a regression in weight. Explants transplanted on to the underside of horizontal surfaces (downward orientations) demonstrated significantly less weight loss (P = 0.023), which was attributed to lower sediment exposure. Light and water movement did not significantly influence the sponge's growth.
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