Hostname: page-component-7479d7b7d-8zxtt Total loading time: 0 Render date: 2024-07-15T21:47:06.776Z Has data issue: false hasContentIssue false
  • English
  • Français

The Ecology of Idotea Species (Isopoda) and Gammarus Locusta (Amphipoda) on Surface Driftweed in Galway Bay (West of Ireland)

Published online by Cambridge University Press:  11 May 2009

O. Tullyand  and
P. Ó Céidigh
O. Tullyand
Affiliation:
Department of Zoology, University College Galway, Ireland
P. Ó Céidigh
Affiliation:
Department of Zoology, University College Galway, Ireland
Get access Rights & Permissions [Opens in a new window]

Extract

Four species of Idotea and Gammarus locusta were associated with drifting seaweed. In all species and throughout the year juveniles predominated. Peak numbers occurred in summer when most seaweed was collected, but /. emarginata and /. baltica were common also in spring and autumn. All species also occurred freely swimming at the surface. No diel vertical migration was detected.

Drifting alga provides only a temporary and unstable habitat for associated species but is important as a medium for habitat expansion and as a refuge from predators for actively dispersing juveniles.

Breeding activity in all species peaked during the summer but continued at a low level for most of the year.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 66 , Issue 4 , November 1986 , pp. 931 - 942
Copyright
Copyright © Marine Biological Association of the United Kingdom 1986

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Colman, J. S. & Segrove, F., 1955. The tidal plankton over Stoupe Beck sands, Robin Hood's Bay (Yorkshire, North Riding). Journal of Animal Ecology, 22, 445–462.CrossRefGoogle Scholar
Fage, L., 1933. Pêches planctoniques à la lumière effectuées à Banyuls-sur-Mer et à Concarneau. III. Crustacés. Archives de zoologie expérimentale et générale, 76, 107–248.Google Scholar
Fincham, A. A., 1970. Amphipods in surf plankton. Journal of the Marine Biological Association of the United Kingdom, 50, 177–198.CrossRefGoogle Scholar
Healy, B. & O'neill, M., 1984. The life cycle and population dynamics of Idotea pelagica and I. granulosa (Isopoda: Valvifera) in the south-east of Ireland. Journal of the Marine Biological Association of the United Kingdom, 64, 21–33.CrossRefGoogle Scholar
Horlyck, V., 1973. Seasonal and diel variation in the rhythmicity of Idotea baltica (Pallas) and Idotea granulosa (Rathke). Ophelia, 12, 117–127.CrossRefGoogle Scholar
Jansson, B., 1968. On the diurnal activity of some littoral peracarid crustaceans in the Baltic Sea. Journal of Experimental Marine Biology and Ecology, 2, 24–36.CrossRefGoogle Scholar
Jansson, B. & Matthiesen, A. S., 1971. On the ecology of young Idotea in the Baltic. In Proceedings of the Fourth European Marine Biology Symposium, Bangor, 1969 (ed. Crisp, D. J.), pp. 71–88. Cambridge University Press.Google Scholar
Kjennerud, J., 1950. Ecological observations on Idothea neglecta G. O. Sars. Universitetet i Bergen. A˚rbok (Naturvitenskapelig rekke), no. 7, 47 pp.Google Scholar
Kolding, S. & Fenchel, T. M., 1979. Coexistence and life cycle characteristics of five species of the amphipod genus Gammarus. Oikos, 33, 323–327.CrossRefGoogle Scholar
Liao, H., 1951. Seasonal, Tidal and Diurnal Movements and Breeding of the Free-swimming Crustacea Malacostraca of Port Erin Bay. The Inshore Feeding of the Coal-fish (Gadus virens) and Other Offshore Fish in Port Erin Bay. Ph.D. Thesis. University of Liverpool.Google Scholar
Lincoln, R. J., 1979. British Marine Amphipoda: Gammaridea. London: British Museum (Natural History).Google Scholar
Mcgrath, D., 1981. Benthic Macrofaunal Studies in the Galway Bay Area. Volume 2. The Benthic Macrofauna of the Galway Bay Area. Part 1. General Introduction, Arthropoda. Ph.D. Thesis, National University of Ireland.Google Scholar
Macquart-Moulin, C, 1984. La phase pélagique nocturne et les comportements migratoires des amphipodes benthiques (Méditerranée, Nord-Occidentale). Téthys, 11, 171–196.Google Scholar
Naylor, E., 1955 a. The ecological distribution of British species of Idotea (Isopoda). Journal of Animal Ecology, 24, 255–269.CrossRefGoogle Scholar
Naylor, E., 1955 b. The life cycle of the isopod Idotea emarginata Fabricius. Journal of Animal Ecology, 4, 270–281.CrossRefGoogle Scholar
Naylor, E., 1955 C. The comparative external morphology and revised taxonomy of the British species of Idotea. Journal of the Marine Biological Association of the United Kingdom, 34, 467–193.CrossRefGoogle Scholar
Rygg, B., 1974. Identification of juvenile Baltic gammarids (Crustacea, Amphipoda). Annales zoologici fennici, 11, 216—219.Google Scholar
Salemaa, H., 1979. Ecology of Idotea spp. (Isopoda) in the northern Baltic. Ophelia, 18, 133–150.CrossRefGoogle Scholar
Sywula, T., 1964. A study of the taxonomy, ecology and geographical distribution of the genus Idotea Fabricius (Isopoda, Crustacea) in the Polish Baltic. 2. Ecological and zoogeographical part. Bulletin. Société des amis des sciences et des lettres de Poznań (sér. D), 4, 173–199.Google Scholar
Tattersall, W. M., 1905. The marine fauna of the coast of Ireland. Part 5. Isopoda. Scientific Investigations of the Fisheries Branch. Department of Agriculture and Technical Instruction for Ireland for 1904, no. 2, 90 pp.Google Scholar
Tully, O. & Ó Céidigh, P., 1986. Assessing components of the hyponeuston in Galway Bay. In Proceedings of the 1984 Lough Beltra Workshop, Galway, 1985 (ed. O'Sullivan, G.), pp. 44–50. Dublin: National Board for Science and Technology.Google Scholar
Zaitsev, Yu. P., 1970. Marine Neustonology. Kiev: Naukova Dumka. [Translated from the Russian by Israel Program for Scientific Translations, Jerusalem, 1971.]Google Scholar