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Long-term modifications of coastal defences enhance marine biodiversity

Published online by Cambridge University Press:  02 September 2015

GUSTAVO M. MARTINS ,
STUART R. JENKINS ,
ANA I. NETO ,
STEPHEN J. HAWKINS  and
RICHARD C. THOMPSON
GUSTAVO M. MARTINS*
Affiliation:
CIIMAR/CIMAR Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, 4050–123 Porto, Portugal CIRN & Grupo de Biologia Marinha, Departamento de Biologia, Universidade dos Açores, 9501–801 Ponta Delgada, Azores, Portugal
STUART R. JENKINS
Affiliation:
School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey LL59 5AB, UK
ANA I. NETO
Affiliation:
CIIMAR/CIMAR Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, 4050–123 Porto, Portugal CIRN & Grupo de Biologia Marinha, Departamento de Biologia, Universidade dos Açores, 9501–801 Ponta Delgada, Azores, Portugal
STEPHEN J. HAWKINS
Affiliation:
Marine Biological Association of the United Kingdom, Citadel Hill, Plymouth PL1 2PB, UK Ocean and Earth Science, National Oceanography Centre Southampton, University of Southampton, Waterfront Campus, Southampton SO14 3ZH, UK
RICHARD C. THOMPSON
Affiliation:
Marine Biology and Ecology Research Centre, Marine Institute, Plymouth University, Plymouth PL4 8AA, UK
*
*Correspondence: Dr Gustavo Martins e-mail: gmartins@uac.pt
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Summary

Realization that hard coastal infrastructures support lower biodiversity than natural habitats has prompted a wealth of research seeking to identify design enhancements offering ecological benefits. Some studies showed that artificial structures could be modified to increase levels of diversity. Most studies, however, only considered the short-term ecological effects of such modifications, even though reliance on results from short-term studies may lead to serious misjudgements in conservation. In this study, a seven-year experiment examined how the addition of small pits to otherwise featureless seawalls may enhance the stocks of a highly-exploited limpet. Modified areas of the seawall supported enhanced stocks of limpets seven years after the addition of pits. Modified areas of the seawall also supported a community that differed in the abundance of littorinids, barnacles and macroalgae compared to the controls. Responses to different treatments (numbers and size of pits) were species-specific and, while some species responded directly to differences among treatments, others might have responded indirectly via changes in the distribution of competing species. This type of habitat enhancement can have positive long-lasting effects on the ecology of urban seascapes. Understanding of species interactions could be used to develop a rule-based approach to enhance biodiversity.

Keywords

Azorescoastal urbanizationcommunity structureconservationhabitat enhancementlong-termPatella
Type
Papers
Information
Environmental Conservation , Volume 43 , Issue 2 , June 2016 , pp. 109 - 116
Copyright
Copyright © Foundation for Environmental Conservation 2015 

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References

Airoldi, L., Abbiati, M., Beck, M.W., Hawkins, S.J., Jonsson, P.R., Martin, D., Moschella, P.S., Sundelöf, A., Thompson, R.C. & Åberg, P. (2005) An ecological perspective on the deployment and design of low-crested and other hard coastal defence structures. Coastal Engineering 52: 1073–1087.CrossRefGoogle Scholar
Benedetti-Cecchi, L. (2000) Predicting direct and indirect interactions during succession in a mid-littoral rocky shore assemblage. Ecological Monographs 70: 45–72.CrossRefGoogle Scholar
Browne, M.A. & Chapman, M.G. (2014) Mitigating against the loss of species by adding artificial intertidal pools to existing seawalls. Marine Ecology Progress Series 497: 119–129.CrossRefGoogle Scholar
Bulleri, F., Chapman, M.G. & Underwood, A.J. (2005) Intertidal assemblages on seawalls and rocky shores in Sydney Harbour (Australia). Austral Ecology 30: 655–667.CrossRefGoogle Scholar
Callahan, J.T. (1984) Long-term ecological research. BioScience 34: 363–367.CrossRefGoogle Scholar
Chapman, M.G. (2003) Paucity of mobile species on constructed seawalls: effects of urbanization on biodiversity. Marine Ecology Progress Series 264: 21–29.CrossRefGoogle Scholar
Chapman, M.G. (2006) Intertidal seawalls as habitats for molluscs. Journal of Molluscan Studies 72: 247–257.CrossRefGoogle Scholar
Chapman, M.G. & Blockley, D.J. (2009) Engineering novel habitats on urban infrastructure to increase intertidal biodiversity. Oecologia 161: 625–635.CrossRefGoogle ScholarPubMed
Chapman, M.G. & Bulleri, F. (2003) Intertidal seawalls: new features of landscape in intertidal environments. Landscape and Urban Planning 62: 159–172.CrossRefGoogle Scholar
Chapman, M.G. & Underwood, A.J. (2011) Evaluation of ecological engineering of ‘armoured’ shorelines to improve their value as habitat. Journal of Experimental Marine Biology and Ecology 400: 302–313.CrossRefGoogle Scholar
Coleman, R.A., Underwood, A.J., Benedetti-Cecchi, L., Åberg, P., Arenas, F., Arrontes, J., Castro, J., Hartnoll, R.G., Jenkins, S.R., Paula, J., Della Santina, P. & Hawkins, S.J. (2006) A continental scale evaluation of the role of limpet grazing on rocky shores. Oecologia 147: 556–564.CrossRefGoogle ScholarPubMed
Côrte-Real, H.B., Hawkins, S.J. & Thorpe, J.P. (1996) Population differentiation and taxonomic status of the exploited limpet Patella candei in the Macaronesian Islands (Azores, Madeira, Canaries). Marine Biology 125: 141–152.CrossRefGoogle Scholar
Crisp, D.J. (1955) The behavior of barnacle cyprids in relation to water movement over a surface. Journal of Experimental Marine Biology and Ecology 32: 569–590.Google Scholar
Dethier, M.N., Graham, E.S., Cohen, S. & Tear, L.M. (1993) Visual versus random-point percent cover estimations: ‘objective’ is not always better. Marine Ecology Progress Series 96: 93–100.CrossRefGoogle Scholar
Farrell, T.M. (1988) Community stability: Effects of limpet removal and reintroduction in a rocky intertidal community. Oecologia 75: 190–197.CrossRefGoogle Scholar
Firth, L.B., Mieszkowska, N., Thompson, R.C. & Hawkins, S.J. (2013a) Climate change and adaptational impacts in coastal systems: the case of sea defences. Environmental Sciences: Processes and Impacts 15: 1665–1670.Google ScholarPubMed
Firth, L.B., Thompson, R.C., Abbiati, M.A., Airoldi, L., Bouma, T.J., Bozzeda, F., Ceccherelli, V.U., Colangelo, M.A., Evans, A., Ferrario, F., et al. (2014) Between a rock and a hard place: environmental and engineering considerations when designing coastal defence structures. Coastal Engineering 87: 122–135.CrossRefGoogle Scholar
Firth, L.B., Thompson, R.C., White, F.J., Schofield, M., Skov, M.W., Hoggart, S.P.G., Jackson, J., Knights, A.M. & Hawkins, S.J. (2013b) The importance of water-retaining features for biodiversity on artificial intertidal coastal defence structures. Diversity and Distributions 19: 1275–1283.CrossRefGoogle Scholar
Goodsell, P.J., Chapman, M.G. & Underwood, A.J. (2007) Differences between biota in anthropogenically fragmented habitats and in naturally patchy habitats. Marine Ecology Progress Series 351: 15–23.CrossRefGoogle Scholar
Griffin, J.N., Noel, L., Crowe, T., Burrows, M.T., Hawkins, S.J., Thompson, R.C. & Jenkins, S.R. (2010) Consumer effects on ecosystem functioning in rockpools: roles of species richness and composition. Marine Ecology Progress Series 420: 45–56.CrossRefGoogle Scholar
Harlin, M.M. & Lindbergh, J.M. (1977) Selection of substrata by seaweeds: optimal surface relief. Marine Biology 40: 33–40.CrossRefGoogle Scholar
Hartnoll, R.G. & Hawkins, S.J. (1985) Patchiness and fluctuations on moderately exposed rocky shores Ophelia 24: 53–63.CrossRefGoogle Scholar
Hawkins, S.J. (1981) The influence of season and barnacles on the algal colonization of Patella vulgata exclusion areas. Journal of the Marine Biological Association of the UK 61: 1–15.CrossRefGoogle Scholar
Hawkins, S.J. (1983) Interactions of Patella and macroalgae with settling Semibalanus balanoides (L.). Journal of Experimental Marine Biology and Ecology 71: 55–72.CrossRefGoogle Scholar
Hawkins, S.J., Côrte-Real, H.B.S.M., Pannacciulli, F.G., Weber, L.C. & Bishop, J.D.D. (2000) Thoughts on the ecology and evolution of the intertidal biota of the Azores and other Atlantic Islands. Hydrobiologia 440: 3–17.CrossRefGoogle Scholar
Hawkins, S.J. & Hartnoll, R.G. (1983) Grazing of intertidal algae by marine invertebrates. Oceanography and Marine Biology: An Annual Review 21: 195–282.Google Scholar
Hawkins, S.J., Watson, D.C., Hill, A.S., Harding, S.P., Kyriakides, M.A., Hutchinson, S. & Norton, T.A. (1989) A comparison of feeding mechanisms in microphagous, herbivorous, intertidal, prosobranchs in relation to resource partitioning. Journal of Molluscan Studies 55: 151–165.CrossRefGoogle Scholar
Iveša, L., Chapman, M.G., Underwood, A.J. & Murphy, R.J. (2010) Differential patterns of distribution of limpets on intertidal seawalls: experimental investigation of the roles of recruitment, survival and competition. Marine Ecology Progress Series 407: 55–69.CrossRefGoogle Scholar
Jackson, A.C., Chapman, M.G. & Underwood, A.J. (2008) Ecological interactions in the provision of habitat by urban development: whelks and engineering by oysters on artificial seawalls. Austral Ecology 33: 307–316.CrossRefGoogle Scholar
Jenkins, S.R., Coleman, R.A., Della Santina, P., Hawkins, S.J., Burrows, M.T. & Hartnoll, R.G. (2005) Regional scale differences in the determinism of grazing effects in the rocky intertidal. Marine Ecology Progress Series 287: 77–86.CrossRefGoogle Scholar
Jenkins, S.R. & Martins, G.M. (2010) Succession on hard substrata. In: Biofouling, ed. Dürr S., S. & Thomason, J.C., pp. 60–72. West-Sussex, UK: Wiley-Blackwell.Google Scholar
Johnson, M.P., Hughes, R.N., Burrows, M.T. & Hawkins, S.J. (1998) Beyond the predation halo: small scale gradients in barnacle populations affect the relative value of crevices. Journal of Experimental Marine Biology and Ecology 231: 163–170.CrossRefGoogle Scholar
Lubchenco, J. (1983) Littorina and Fucus: effects of herbivores, substratum heterogeneity, and plant escapes during succession. Ecology 64: 1116–1123.CrossRefGoogle Scholar
Magnuson, J.J. (1990) Long-term ecological research and the invisible present. BioSciece 40: 495–501.CrossRefGoogle Scholar
Martins, G.M., Amaral, A.F., Wallenstein, F.M. & Neto, A.I. (2009) Influence of a breakwater on nearby rocky intertidal community structure. Marine Environmental Research 67: 237–245.CrossRefGoogle ScholarPubMed
Martins, G.M., Jenkins, S.R., Hawkins, S.J., Neto, I.A. & Thompson, R.C. (2008) Exploitation of rocky intertidal grazers: population status and potential impacts on community structure and functioning. Aquatic Biology 3: 1–10.CrossRefGoogle Scholar
Martins, G.M., Jenkins, S.R., Hawkins, S.J., Neto, A.I., Medeiros, A.R. & Thompson, R.C. (2011) Illegal harvesting affects the success of fishing closure areas. Journal of the Marine Biological Association of the United Kingdom 91: 929–937.CrossRefGoogle Scholar
Martins, G.M., Thompson, R.C., Neto, A.I., Hawkins, S.J. & Jenkins, S.R. (2010) Enhancing stocks of the exploited limpet Patella candei d'Orbigny via modifications in coastal engineering. Biological Conservation 143: 203–211.CrossRefGoogle Scholar
Moreira, J., Chapman, M.G. & Underwood, A.J. (2006) Seawalls do not sustain viable populations of limpets. Marine Ecology Progress Series 322: 179–188.CrossRefGoogle Scholar
Moschella, P.S., Abbiati, M., Åberg, P., Airoldi, L., Anderson, J.M., Bacchiocchi, F., Bulleri, F., Dinesen, G.E., Frost, M., Gacia, E., et al. (2005) Low-crested coastal defence structures as artificial habitats for marine life: using ecological criteria in design. Coastal Engineering 52: 1053–1071.CrossRefGoogle Scholar
Navarro, P.G., Ramírez, R., Tuya, F., Fernandez-Gil, C., Sanchez-Jerez, P. & Haroun, R.J. (2005) Hierarchical analysis of spatial distribution patterns of patellid limpets in the Canary Islands. Journal of Molluscan Studies 71: 67–73.CrossRefGoogle Scholar
O'Connor, N.E. & Crowe, T.P. (2005) Biodiversity and ecosystem functioning: distinguishing between effects of the number of species and their identities. Ecology 86: 1783–1796.CrossRefGoogle Scholar
Raimondi, P.T. (1988) Rock type affects settlement, recruitment, and zonation of the barnacle Chthamalus anisopoma (Pilsbury). Journal of Experimental Marine Biology and Ecology 123: 253–267.CrossRefGoogle Scholar
Skov, M.W., Hawkins, S.J., Volkelt-Igoe, M., Pike, J., Thompson, R.C. & Doncaster, C.P. (2011) Patchiness in resource distribution mitigates habitat loss: insights from high-shore grazers. Ecosphere 2: 1–17.CrossRefGoogle Scholar
Sousa, W.P. (1979) Experimental investigations of disturbance and ecological succession in a rocky intertidal algal community. Ecological Monographs 49: 227–254.CrossRefGoogle Scholar
Steneck, R.S. & Dethier, M.N. (1994) A functional group approach to the structure of algal-dominated communities. Oikos 69: 476–498.CrossRefGoogle Scholar
Underwood, A.J. (1978) An experimental evaluation of competition between three species of intertidal prosobranch gastropods. Oecologia 33: 185–202.CrossRefGoogle ScholarPubMed
Underwood, A.J. (1997) Experiments in Ecology: Their Logical Design and Interpretation Using Analysis of Variance. Cambridge, UK: Cambridge University Press.Google Scholar
Van Tamelen, P.G. (1987) Early successional mechanisms in the rocky intertidal: the role of direct and indirect interactions. Journal of Experimental Marine Biology and Ecology 112: 39–48.CrossRefGoogle Scholar
Vaselli, S., Bulleri, F. & Benedetti-Cecchi, L. (2008) Hard coastal-defence structures as habitats for native and exotic rocky-bottom species. Marine Environmental Research 66: 395–403.CrossRefGoogle ScholarPubMed
Viejo, R.M., Arenas, F., Fernández, C. & Gómez, M. (2008) Mechanisms of succession along the emersion gradient in intertidal rocky shore assemblages. Oikos 117: 376–389.CrossRefGoogle Scholar
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