Habitat point records from 1982 University of Exeter Isles of Scilly littoral sediment survey

Of the 4 shores surveyed, our conclusion is that they rank as follows in descending order of importance: i) Old Grimsby Zostera bed and Rushy Point, ii) Tresco Flats, iii) St Martin's Flats, iv) Samson Flats. Each of the 4 shores has a certain number of species in common, such as heart-urchins, terebellid worms, bivalves and burrowing anemones. Rushy Point, Tresco, has persistent scoured channels with dense populations of the burrowing anemone Cereus pedunculatus and, not far away, an area of highly sorted gravel with dense populations of the large topshell, Gibbula magus; just to its north, the Zostera bed in Old Grimsby Harbour has a rich and varied fauna not repeated elsewhere. Again, the Tresco Flats, on the other side of the island, have rich beds of the tube-dwelling polychaetes Amphitrite edwardsi and Chaetopterus variopedatus, and of the burrowing heart-urhcins Echinocardium and Spatangus. There is a case for recognising the importance of such unique shores by appropriate conservation measures, or at least by calling attention to them in publicity or 'nature trail' brochures somewhat less than others. Records currently considered sensitive have been removed from this dataset.

在对所调查的4个海岸进行评估后，我们得出以下结论：按照重要性递减的顺序排列，分别为：i) 古格里姆斯比海岸的Zostera床和Rushy Point，ii) 特罗斯科平原，iii) 圣马丁平原，iv) 萨姆森平原。这4个海岸均拥有一定数量的共有物种，例如海胆、管钟虫、双壳类动物和挖掘海葵。Rushy Point和Tresco地区，拥有持续的冲刷通道，其中分布着密集的挖掘海葵Cereus pedunculatus种群，不远处则有大量经过严格筛选的砾石，分布着大型顶壳类动物Gibbula magus；在古格里姆斯比港的Zostera床，拥有丰富多样的生物群落，这在其他地方未曾出现。同样，位于岛屿另一侧的特罗斯科平原，拥有丰富的管栖多毛类动物Amphitrite edwardsi和Chaetopterus variopedatus，以及挖掘型海胆Echinocardium和Spatangus的栖息地。有必要通过适当的保护措施，或至少在宣传资料或‘自然小径’手册中给予这些独特的海岸区域以足够的重视。目前被认为敏感的记录已从本数据集中移除。