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Morphological Variation in Fucus Vesiculosus Populations along Temperature and Salinity Gradients in Iceland.

Published online by Cambridge University Press:  11 May 2009

A. Kalvas  and
L. Kautsky
A. Kalvas
Affiliation:
Department of Botany, Stockholm University, S-106 91 Stockholm, Sweden
L. Kautsky
Affiliation:
Department of Botany, Stockholm University, S-106 91 Stockholm, Sweden
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Extract

Geographical morphological variations in Fucus vesiculosus populations were studied along the coast of Iceland. Principal component analysis (PCA) based on 11 morphological characters clustered the 26 sampling sites into four different morphological types as follows: (1) a morphological type found along the S-SW-W coast; (2) an intermediate form comprising only two populations in the NW; (3) a type found along the N-NE-E-SE coast; and (4) a type found independent of geographical area, in estuaries and at sites influenced by large freshwater outflows. Populations influenced by low salinity had significantly (P ≤ 0·001) shorter thalli, a shorter distance from the holdfast to the oldest dichotomy, smaller fronds, narrower stipes and midrib width compared to the morphology of all other more saline populations. No significant difference in frond width was found between the S-SW-W and the N-NE-E-SE populations. However, significant (P ≤ 0·001) morphological differences between them were observed, the former having shorter thalli, a greater distance from the holdfast to the oldest dichotomy, narrower stipes and smaller midrib width compared to the latter.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 78 , Issue 3 , August 1998 , pp. 985 - 1001
Copyright
Copyright © Marine Biological Association of the United Kingdom 1998

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References

Anon, , 1993. Sj´varföll vid Ísland. Sjómælingar Íslands. Argangur, Sjómælingar Íslands, Reykjavik.Google Scholar
Anon, , 1994. Sjávarföll vid Ísland. Sjómælingar Íslands. Argangur, Sjómælingar Íslands, Reykjavik.Google Scholar
Baardseth, E., 1970. A square-scanning, two stage sampling method of estimating seaweed quantities. Report. Norwegian Institute of Seaweed Research, 33, 41 pp.Google Scholar
Bäck, S., 1992. Effects of salinity on growth of Baltic and Atlantic Fucus vesiculosus. British Phycological Journal, 27, 39–47.CrossRefGoogle Scholar
Bäck, S., 1993a. Comparative reproductive biology of the Gulf of Finland and the Irish Sea Fucus vesiculosus L. Sarsia, 78, 265–272.Google Scholar
Bäck, S., 1993b. Morphological variation of northern Baltic Fucus vesiculosus along the exposure gradient. Annales Botanici Fennici, 30, 275–283.Google Scholar
Bäck, S., Collins, J. & Russell, G., 1991. Aspects of the reproductive biology of Fucus vesiculosus from the coast of SW Finland. Ophelia, 34, 129–141.CrossRefGoogle Scholar
Burrows, E.M. & Lodge, S., 1951. Autecology and the species problem in Fucus. Journal of Experimental Marine Biology and Ecology, 30, 161–176.Google Scholar
Chapman, A.R.O., 1995. Functional ecology of fucoid algae: twenty-three years of progress. Phycologia, 34, 1–32.CrossRefGoogle Scholar
Deysher, L. & Norton, T.A., 1982. Dispersal and colonization in Sargassum muticum (Yendo) Fensholt. Journal of Experimental Marine Biology and Ecology, 56, 179–195.CrossRefGoogle Scholar
Flechter, R.L., 1987. Seaweeds of the British Isles. Vol. 3. Fucophyceae (Phaeophyceae), part 1. London: British Museum (Natural History).Google Scholar
Fry, J.C., ed., 1993. Biological data analysis. A practical approach. Oxford: Oxford University Press.CrossRefGoogle Scholar
Gessner, F. & Schramm, W., 1971. Salinity plants. In Marine ecology. Vol. 1. Environmental factors, part 2 (ed. O., Kinne), pp. 705–820. London: Wiley-Interscience.Google Scholar
Gibb, D.C., 1957. The free-living forms of Ascophyllum nodosum (L.) Le Jol. Journal of Ecology, 45, 49–83.CrossRefGoogle Scholar
Gunnarsson, K. & Ingólfsson, A., 1995. Seasonal changes in the abundance of intertidal algae in south-western Iceland. Botanica Marina, 38, 69–77.CrossRefGoogle Scholar
Hansen, J. & Ingólfsson, A., 1993. Patterns in species composition of rocky shore communities in sub-arctic fjords of eastern Iceland. Marine Biology, 117, 469–481.CrossRefGoogle Scholar
Hoek, C. van den, 1987. The possible significance of long-range dispersal for the biogeography of seaweeds. Helgoländer Meeresuntersuchungen, 41, 261–272.CrossRefGoogle Scholar
Ingólfsson, A., 1995. Floating clumps of seaweed around Iceland: natural microcosms and a means of dispersal for shore fauna. Marine Biology, 122, 13–21.CrossRefGoogle Scholar
John, D.M., 1974. New records of Ascophyllum nodosum (L.) Le Jol. from the warmer parts of the Atlantic Ocean. Journal of Phycology, 10, 243–244.CrossRefGoogle Scholar
Kalvas, A. & Kautsky, L., 1993. Geographical variation in Fucus vesiculosus morphology in the Baltic and North seas. European Journal of Phycology, 28, 85–91.CrossRefGoogle Scholar
Kautsky, H., Kautsky, L., Kautsky, N., Kautsky, U. & Lindblad, C., 1992. Studies on the Fucus vesiculosus community in the Baltic Sea. Acta Phytogeographica Suecica, 78, 33–48.Google Scholar
Knight, M. & Parke, M., 1950. A biological study of Fucus vesiculosus L. and F. serratus L. Journal of the Marine Biological Association of the United Kingdom. 29, 439–514.CrossRefGoogle Scholar
Levring, T., 1940. Studien über die Algenvegetation von Blekinge, südschweden. PhD thesis, Lund, Schweden.Google Scholar
Luther, H., 1981. Occurrence and ecological requirements of Fucus vesiculosus in semi-enclosed inlets of the Archipelago Sea, SW Finland. Annales Botanici Fennici, 18, 187–200.Google Scholar
Liining, K., 1990. Seaweeds – their environment, biogeography and ecophysiology. New York: John Wiley & Sons.Google Scholar
Malmberg, S. & Kristmannsson, S., 1992. Hydrographic conditions in Icelandic waters, 1980–1989. ICES Marine Sciences Symposium, 195, 76–92.Google Scholar
Mathieson, A.C., Norton, T.A. & Neushul, M., 1981. The taxonomic implications of genetic and environmentally induced variations in seaweed morphology. The Botanical Review, 47, 313–347.CrossRefGoogle Scholar
Munda, I.M., 1992a. Hornstrandir – a conspicuous area of vegetation-shift in the extreme northwest of Iceland. Acta Botanica Islandica, 11, 17–88.Google Scholar
Munda, I.M., 1992b. Gradient in seaweed vegetation patterns along the north Icelandic coast, related to hydrographic conditions. Hydrobiologia, 242, 133–147.CrossRefGoogle Scholar
Munda, I.M., 1992c. The gradient of the benthic algal vegetation along the eastern Icelandic coast. Acta Phytogeographica Suecica, 78, 131–141.Google Scholar
Munda, I.M. & Kremer, B.P., 1997. Morphological variation and population structure of Fucus spp. (Phaeophyta) from Helgoland. Nova Hedwigia, 64, 67–86.CrossRefGoogle Scholar
Müller-Stoll, W.R. & Küntzenbach, R., 1956. Über die Standortbedingten Wuchsformen von Fucus vesiculosus in den Gewässer der Insel Hiddensee. Archiv für Protistenkunde, 101, 289–334.Google Scholar
Rice, E.L. & Chapman, A.R.O., 1985. A numerical taxonomic study of Fucus distichus (Phaeophyta). Journal of the Marine Biological Association of the United Kingdom, 65, 433–459.CrossRefGoogle Scholar
Rice, E.L., Kenchington, T.J. & Chapman, A.R.O., 1985. Intraspecific geographic-morphological variation patterns in Fucus distichus and F. evanescens. Marine Biology, 88, 207–215.CrossRefGoogle Scholar
Russell, G., 1979. Heavy receptacles in estuarine Fucus vesiculosus L. Estuarine and Coastal Marine Science, 9, 659–661.CrossRefGoogle Scholar
Russell, G., 1987. Spatial and environmental components of evolutionary change: interactive effects of salinity and temperature on Fucus vesiculosus as an example. Helgoländer Meeresuntersuchungen, 41, 371–376.CrossRefGoogle Scholar
Scott, G.W. & Hardy, F.G., 1994. Observation of the occurrence of hybrids between two sympatric species of fucoid algae. Cryptogamie Algologie, 15, 297–305.Google Scholar
Serrão, E., Kautsky, L. & Brawley, S.H., 1996. Distributional success of the marine seaweed Fucus vesiculosus L. in the brackish Baltic Sea correlates with osmotic capabilities of Baltic gametes. Oecologia, 107, 1–12.CrossRefGoogle Scholar
Sideman, E.J. & Mathiesen, A.C., 1985. Morphological variation within and between natural populations of non-tide pool Fucus distichus (Phaeophyta) in New England. Journal of Phycology, 21, 250–257.CrossRefGoogle Scholar
Stefánsson, U., 1969. Sjávarhiti á siglingaleid umhverfis Ísland. In Hafisinn (ed. M., Einarsson), pp. 131–149. Reykjavik: Almenna bókafelagid.Google Scholar
Svedelius, N., 1901. Studier över Östersjöns hafsalgflora. Diss. Uppsala, pp. 84.CrossRefGoogle Scholar
Tracy, M., Freeman, D.C., Emlen, J., Graham, J. & Hough, R.A., 1995. Developmental instability as a biomonitor of environmental stress: an illustration using aquatic plants and macroalgae. In Biomonitors and biomarkers as indication of environmental change (ed. F., Butterworth et al.), pp. 348. New York: Plenum Press.Google Scholar
Waern, M. 1952. Rocky-shore algae in the Öregrund Archipelago. Acta Phytogeographica Suecica, 30, 298. [Almquist & Wiksells Boktryckeri AB, Uppsala.]Google Scholar
Wilce, R.T., 1959. The marine algae of the Labrador Peninsula and northwest Newfoundland (ecology and distribution). Bulletin of the National Museums of Canada, 158, 336–341.Google Scholar
Zechman, F.W. & Mathiesen, A.C., 1985. The distribution of seaweed propagules in estuarine, coastal and offshore waters of New Hampshire, USA. Botanica Marina, 28, 283–294.CrossRefGoogle Scholar