Abstract
Samples of the large sublittoral sea anemone Urticina eques (Gosse) were collected from three localities in the northern North Sea and from one locality in the northern Irish Sea. Around the coast the total distance between sampling sites is approximately 1,200 km. The species has a large lecithotrophic larva which may not be planktonic. All samples were screened genetically for 13 loci coding for 11 different enzymes. Results overall indicated a high degree of genetic uniformity over the four populations sampled (F-ST = 0.025). The data are discussed in relation to current ideas of larval dispersal and results from other similar studies. It is concluded that the lack of genetic differentiation shown by Urticina eques is surprising given the apparently poor dispersive powers of the larva.
| Original language | English |
|---|---|
| Pages (from-to) | 895-902 |
| Number of pages | 8 |
| Journal | Journal of the Marine Biological Association of the United Kingdom |
| Volume | 74 |
| Issue number | 4 |
| Publication status | Published - Nov 1994 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
Keywords
- MARINE-INVERTEBRATES
- NATURAL-POPULATIONS
- LARVAL DEVELOPMENT
- ACTINIA-TENEBROSA
- EVOLUTION
- FLOW
- DIVERGENCE
- ANTHOZOA
- DIFFERENTIATION
- HETEROZYGOSITY
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