Artificial structures influence fouling on habitat-forming kelps

Marzinelli, Ezequiel M.

doi:10.1080/08927014.2012.674518

Cited by 15 publications

(17 citation statements)

References 71 publications

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“…While previous studies have assessed epifaunal assemblages on Ecklonia (e.g. Fletcher & Day 1983;Goodsell & Connell 2008;Marzinelli 2012) and Sargassum (e.g. Poore & Steinberg 1999;Poore et al 2000), very little is known about those supported by Phyllospora.…”

Section: Introductionmentioning

confidence: 99%

Does restoration of a habitat‐forming seaweed restore associated faunal diversity?

Marzinelli

Leong

Campbell

et al. 2015

Restoration Ecology

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Declines of habitat‐forming organisms in terrestrial and marine systems can lead to changes in community‐wide biodiversity. The dominant habitat‐forming macroalga Phyllospora comosa (Fucales) went locally extinct along the metropolitan coastline of Sydney in the 1980s. However, the consequences of that disappearance to the associated faunal diversity in these habitats, and whether Phyllospora is ecologically redundant with respect to the biodiversity it supports, are not known. Efforts are underway to restore Phyllospora, and the capacity to enhance local biodiversity is an important component of the rationale for restoration. We compared epifaunal diversity (abundances and composition) between Phyllospora and two other co‐occurring habitat‐forming algae, the kelp Ecklonia radiata and the fucoid Sargassum vestitum, and determined whether Phyllospora transplanted to Sydney developed different epifaunal communities than undisturbed thalli and controls. Where the 3 species naturally co‐occurred, Phyllospora supported different abundances of taxa than Ecklonia and Sargassum, as well as different composition at finer scales, which suggests that this species is not completely redundant and that its disappearance may have affected local biodiversity. Similarly, assemblages on transplanted Phyllospora differed from those on Ecklonia and Sargassum at restored sites, but did not always resemble assemblages from extant natural Phyllospora populations, even 18 months after transplantation. These experiments indicate that restoration of key habitat‐forming seaweeds not only recovers the algal species but also reduces risks of losing habitat diversity for epifauna and their consumers. However, restoration of all the original biodiversity associated with these seaweeds can be a difficult, complex, and long‐term process.

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Section: Introductionmentioning

confidence: 99%

Does restoration of a habitat‐forming seaweed restore associated faunal diversity?

Marzinelli

Leong

Campbell

et al. 2015

Restoration Ecology

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“…A significant proportion of the holdfast fauna is highly mobile 166 and can quickly colonise new available habitat; exchanges between kelp plants and also from kelp to 167 surrounding habitat are thought to occur frequently (Norderhaug et al, 2002;Waage-Nielsen et al, 168 2003). The composition of the sessile fauna is largely dependent on the availability of dispersal 169 stages in the overlying water column (Marzinelli, 2012), which influences recruitment rates onto 170 holdfasts, as well as local turbidity and sedimentation rates, as many suspension feeding species are 171 susceptible to smothering (Moore, 1973a). Food supply, principally from detrital kelp and other 172 macroalgae and deposited phytoplankton, is rarely thought to be limiting in most kelp forest 173 habitats (Schaal et al, 2012).…”

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The role of kelp species as biogenic habitat formers in coastal marine ecosystems

Teagle

Hawkins

Moore

et al. 2017

Journal of Experimental Marine Biology and Ecology

437

329

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26Kelps are ecologically important primary producers and ecosystem engineers, and play a central role 27 in structuring nearshore temperate habitats. They play an important role in nutrient cycling, energy 28 capture and transfer, and provide biogenic coastal defence. Kelps also provide extensive substrata 29 for colonising organisms, ameliorate conditions for understorey assemblages, and provide three-30 dimensional habitat structure for a vast array of marine plants and animals, including a number of 31 commercially important species. Here, we review and synthesise existing knowledge on the 32 functioning of kelp species as biogenic habitat providers. We examine biodiversity patterns 33 associated with kelp holdfasts, stipes and blades, as well as the wider understorey habitat, and 34 search for generality between kelp species and biogeographic regions. Environmental factors 35 influencing biogenic habitat provision and the structure of associated assemblages are considered, 36 as are current threats to kelp-dominated ecosystems. Despite considerable variability between 37 species and regions, kelps are key habitat-forming species that support elevated levels of 38 biodiversity, diverse and abundant assemblages and facilitate trophic linkages. Enhanced 39 appreciation and better management of kelp forests are vital for ensuring sustainability of ecological 40 goods and services derived from temperate marine ecosystems. 41

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“…Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. Terms & Conditions of access and use can be found at http:// www.tandfonline.com/page/terms-and-conditions Introduction Artificial structures built along urbanized shorelines are a worldwide phenomenon (Marzinelli 2012). Reinforced concrete (RC) has been widely used to construct semipermanent structures in marine environments (Song et al 2008) because of its excellent properties and low cost compared to other bulk construction materials (Hooton & Bickley 2014).…”

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confidence: 99%

Influence ofCrassostrea gigason the permeability and microstructure of the surface layer of concrete exposed to the tidal zone of the Yellow Sea

Mao

2015

Biofouling

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Concrete exposed to the tidal zone of the Yellow Sea and bearing Crassostrea gigas (CG) with differing areal coverages was investigated for evidence of biologically induced corrosion prevention. The experimental results indicated that both the chloride ion profile and the neutralization depth of the concrete decreased with increasing CG coverage. Moreover, the water absorption rate and the chloride ion permeability of concrete with the original surface intact also declined with increasing degrees of CG coverage. However, the water absorption rates of three concrete samples with 2 mm of the surface layer removed were similar, as was their chloride ion permeability. Mercury intrusion porosimetry tests indicated that CG significantly reduced the pore structure of the concrete surface layer. SEM observation revealed that the CG cementation membrane and left valve were tightly glued to the concrete surface and had a dense structure. Concrete durability indices showed that high CG coverage greatly improved concrete durability.

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Artificial structures influence fouling on habitat-forming kelps

Cited by 15 publications

References 71 publications

Does restoration of a habitat‐forming seaweed restore associated faunal diversity?

Does restoration of a habitat‐forming seaweed restore associated faunal diversity?

The role of kelp species as biogenic habitat formers in coastal marine ecosystems

Influence ofCrassostrea gigason the permeability and microstructure of the surface layer of concrete exposed to the tidal zone of the Yellow Sea

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