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Grazing by the gastropod, Lacuna vincta, in the lower intertidal area at Musquash Head, New Brunswick, Canada

Published online by Cambridge University Press:  06 October 2009

Martin L. H. Thomas  and
Frederick H. Page
Martin L. H. Thomas
Affiliation:
Division of Sciences, University of New Brunswick, P.O. Box 5050, Saint John, New Brunswick, CanadaE2L 4L5
Frederick H. Page
Affiliation:
Division of Sciences, University of New Brunswick, P.O. Box 5050, Saint John, New Brunswick, CanadaE2L 4L5
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Abstract

Lacuna vincta appeared at Musquash Head, New Brunswick, in large numbers from June to August 1981 principally on lower midlittoral and infralittoral fringe Fucus edentatus. The population reached a mean maximum of 280/m2 in June; by mid September the animals had disappeared. The L. vincta grazed heavily and deposited egg masses on Fucus edentatus but little on other species. All fine and filamentous and encrusting algal species and rock were avoided for egg deposition. Egg mass abundance peaked with the population in June with a mean of 180/m2. Mean egg production in June was 83000/m2.

Both snail and egg mass distributions were correlated with the percentage cover of F. edentatus, reaching a maximum at 40–75 cm above mean low tide level.

The snails ranged in length from 2–7 mm, consisting of three cohorts from different larval settlements. Growth was rapid in July averaging 0·6 mm/month slowing later.

The food plant Fucus edentatus showed a heavy impact of the herbivore. Weight reductions attributable to grazing rose from 56 % in June to 79 % in August and grazed plants tended to thicken rather than elongate with growth. Grazing removed about 79 % of the net production of F. edentatus which averaged 61 g dry wt/m2/day. The impact of the L. vincta population on F. edentatus seems extraordinarily severe.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 63 , Issue 3 , August 1983 , pp. 725 - 736
Copyright
Copyright © Marine Biological Association of the United Kingdom 1983

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References

REFERENCES

Abbott, R. T., 1974. American Seashells, 2nd ed. 663 pp. New York: Van Nostrand-Reinhold.Google Scholar
Brattström, H., 1980. Rocky shore zonation in the Santa Marta area, Colombia. Sarsia, 65, 163–226.CrossRefGoogle Scholar
Carefoot, T., 1977. Pacific Seashores. 208 pp. Vancouver: J. J. Douglas.Google Scholar
Cassie, R. M., 1954. Some uses of probability paper in the analysis of size-frequency distributions. Australian Journal of Marine and Freshwater Research, 5, 513–522.CrossRefGoogle Scholar
Connell, J. H., 1972. Community interactions on marine rocky intertidal shores. Annual Review of Ecolology and Systematics, 3, 169–192.CrossRefGoogle Scholar
Dayton, P. K., 1971. Competition, disturbance and community organisation: the provision and subsequent utilisation of a space in a rocky intertidal community. Ecological Monographs, 41, 351–389.CrossRefGoogle Scholar
Dayton, P. K., 1975. Experimental evaluation of ecological dominance in a rocky intertidal community. Ecological Monographs, 45, 137–159.CrossRefGoogle Scholar
Fralick, R. A., Turgeon, K. W. & Mathieson, A. C., 1974. Destruction of kelp populations by Lacuna vincta (Montagu). Nautilus, 88, 112–114.Google Scholar
Fretter, V. & Manly, R., 1977. Algal associations of Tricoliapullus, Lacuna vincta and Cerithiopsis tubercularis (Gastropoda) with special reference to the settlement of their larvae. Journal of the Marine Biological Association of the United Kingdom, 57, 999–1017.CrossRefGoogle Scholar
Grahame, J., 1977. Reproductive effort and r- and k-selection in two species of Lacuna (Gastropoda : Prosobranchia). Marine Biology, 40, 217–224.CrossRefGoogle Scholar
Harding, J. P., 1949. The use of probability paper for the graphical analysis of polymodal frequency distributions. Journal of the Marine Biological Association of the United Kingdom, 28, 141–153.CrossRefGoogle Scholar
Ivlev, V. S., 1961. Experimental Ecology of the Feeding of Fishes. 302 pp. New Haven: Yale University Press.Google Scholar
Jones, N. S., 1948. Observations and experiments on the biology of Patella vulgata at Port St Mary, Isle of Man. Proceedings and Tranactions of the Liverpool Biological Society, 56, 60–77.Google Scholar
Jones, N. S. & Kain, J. M., 1967. Subtidal algal colonisation following the removal of Echinus. Helgölander wissenschaftliche Meeresuntersuchungen, 15, 460–466.CrossRefGoogle Scholar
Kain, J. M., 1971. Synopsis of biological data on Laminaria hyperborea. F.A.O. Fisheries Synopsis, no. 87, 63 pp.Google Scholar
Lebour, M. V., 1937. The eggs and larvae of the British prosobranchs with special reference to those living in the plankton. Journal of the Marine Biological Association of the United Kingdom, 22, 105–166.CrossRefGoogle Scholar
Lewis, J. B., 1960. The fauna of rocky shores of Barbados, West Indies. Canadian Journal of Zoology, 38, 391–435.CrossRefGoogle Scholar
Lewis, J. R., 1964. The Ecology of Rocky Shores, xii, 323 pp. London: English Universities Press.Google Scholar
Mann, K. H., 1977. Destruction of kelp beds by sea urchins: a cyclical phenomenon or irreversible degradation? Helgoländer wissenschaftliche Meersuntersuchungen, 30, 455–467.CrossRefGoogle Scholar
Menge, B. A., 1976. Organisation of the New England rocky intertidal community: role of prédation, competition and environmental heterogeneity. Ecological Monographs, 46, 355–393.CrossRefGoogle Scholar
Menge, J. L. & Menge, B. A., 1974. Role of resource allocation, aggression and spatial heterogeneity in coexistence of two competing intertidal starfish. Ecological Monographs, 44, 189–209.CrossRefGoogle Scholar
Ockelmann, K. W. & Nielsen, C., 1981. On the biology of the prosobranch Lacuna parva in the Öresund. Ophelia, 20, 1–16.CrossRefGoogle Scholar
Pace, D., 1981. Kelp community development in Barkley Sound, British Columbia, following sea urchin removal. Proceedings of the International Seaweed Symposium, 8, 457–463.Google Scholar
Rehder, H. A., 1981. The Audubon Society Field Guide to North American Seashells. 894 pp. New York: Alfred A. Knopf.Google Scholar
Smith, D. A. S., 1973. The population biology of Lacuna pallidula (da Costa) and Lacuna vincta (Montagu) in north-east England. Journal of the Marine Biological Association of the United Kingdom, 53, 493–520.CrossRefGoogle Scholar
Southward, A. J., 1964. Limpet grazing and the control of vegetation on rocky shores. In Grazing in Terrestrial and Marine Environments. Symposium of the British Ecological Society, Bangor, 1962 (éd. D. J. Crisp), pp. 265–273. Blackwell Scientific Publications.Google Scholar
Southward, A. J. & Southward, E. C., 1978. Recolonisation of rocky shores in Cornwall after use of toxic dispersants to clean up the Torrey Canyon spill. Journal of Fisheries Research Board of Canada, 35, 682–706.CrossRefGoogle Scholar
Stephenson, T. A. & Stephenson, A., 1972. Life Between The Tidemarks on Rocky Shores, xii, 425 pp. San Francisco: W. H. Freeman.Google Scholar
Thomas, M. L. H., 1975. Intertidal Zonation on Western Bay of Fundy Shores. Transactions of the Atlantic Chapter, Canadian Society of Environmental Biologists Annual Meeting, November, pp. 102–111.Google Scholar