Journal of the Marine Biological Association of the United Kingdom
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Sabellariaspinulosa reef: a scoring system for evaluating ‘reefiness’ in the context of the Habitats Directive‘Reefs’ are listed under Annex I of the Habitats Directive as a marine habitat to be protected by the designation of Special Areas of Conservation. Crucially for the implementation of the Directive, the distinction between what is considered as ‘reef’ and what is not is imprecise, particularly in relation to colonies of the tube-building polychaete Sabellaria spinulosa...
Journal of the Marine Biological Association of the United Kingdom - Tập 86 Số 4 - Trang 665-677 - 2006
Sabellaria Colonies At Duckpool, North Cornwall, 1961–1970Between May 1961 and November 1970 almost monthly visits were made to Duckpool, an exposed shore on the north coast of Cornwall, where Sabellaria alveolata (L.) is the dominant organism on low-level rocks uncovered only by spring tides. Massive colonies several feet across and up to some 2 ft thick, formed mainly of shell particles cemented together by the worms,... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 51 Số 3 - Trang 509-580 - 1971
Sabellaria Alveolata (L.) At Duckpool, North Cornwall, 1975INTRODUCTION Between 4 May 1973 and 29 March 1975 we did not visit Duckpool. Indeed after the 1973 visit (Wilson, 1974, pp. 429–30) the intention had been to discontinue observations on colony formation and growth, for it seemed unlikely that much more data of value were obtainable, and that is still true. However, at Easter 1975 Monsieur Yves Gruet, who has done much excel... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 56 Số 2 - Trang 305-310 - 1976
Effects on Dietary Lipids of the Marine Bivalve Scrobicularia Plana Feeding in Different ModesChanges in dietary lipids were investigated in laboratory feeding experiments simulating herbivorous and coprophagous modes of feeding in the bivalve mollusc Scrobicularia plana (da Costa). The dinoflagellate Scrippsiella trochoidea (Stein) was used as the food in herbivory experiments while faeces from the crustaceanNeomys... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 71 Số 3 - Trang 635-653 - 1991
Dietary lipid changes during herbivory and coprophagy by the marine invertebrate Nereis diversicolorChanges in dietary lipids (fatty acids, sterols and fatty alcohols) during herbivory and coprophagy by the annelid worm Hediste (Nereis) diversicolor (O.F. Müller) were modelled in laboratory feeding experiments. The dinoflagellate Scrippsiella trochoidea (Stein) was used as the food in herbivory; faeces from the crustacean ...
Journal of the Marine Biological Association of the United Kingdom - Tập 70 Số 4 - Trang 771-787 - 1990
Changes in lipids during simulated herbivorous feeding by the marine crustaceanNeomysis integerA laboratory study simulating herbivorous feeding was carried out with the marine crustaceanNeomysis integer (Leach) and the dinoflagellateScrippsiella trochoidea (Stein). Analyses of the total fatty acids, sterols and fatty alcohols in the food and faecal material, and in the animal tissue, have allowed the detailed changes in the dietar... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 70 Số 1 - Trang 225-243 - 1990
A preliminary investigation of the variation of vitamin B12in oceanic and coastal watersThe presence in the sea of vitamin B12 , or of its analogues, has been found necessary for the growth of several species of unicellular plants (e.g. Provasoli & Pintner, 1953; Droop, 1954, 1955). Bioassays of the quantities in inshore waters during winter have been made by Lewin (1954) and by Droop (1954). The present investigation, carried out in 19... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 35 Số 3 - Trang 609-620 - 1956
On the Nutrition and Metabolism of Zooplankton VII. Seasonal Survey of Nitrogen and Phosphorus Excretion by Calanus in the Clyde Sea-AreaIn a recent study (Butler, Corner & Marshall, 1969) it was found that the excretion of nitrogen and phosphorus in soluble form by Calanus finmarchicus caught at Garroch Head in the Clyde sea-area was significantly higher in spring when plant food was plentiful, than in autumn when plant food was in relatively short supply. The present survey has extended this... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 50 Số 2 - Trang 525-560 - 1970
Photochemical combustion of organic matter in sea water, for nitrogen, phosphorus and carbon determinationA photochemical reactor, using a medium power mercury arc lamp for oxidation of organic matter in sea water, is described. The decomposition of some known compounds in distilled water and in sea water, using a 380 W lamp, was followed. First order kinetics with rate constants in the range 0·2–4·0 h−1 were observed. All the nitrogen compounds tested, including urea and ... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 48 Số 1 - Trang 143-152 - 1968
Shallow-Water Zonation of Sea-Loch Benthos and Its Relation to Hydrographic and Other Physical FeaturesSurveys of marine benthic distributions are usually performed by sampling from a vessel capable of handling the heavy sampling devices necessary. Because of the inability of such vessels to work in very shallow water or close to the shore the area just beyond the intertidal zone is inaccessible to investigation except by a special vessel (e.g. Mclntyre & Eleftheriou, 1968) or by using ... ...
Journal of the Marine Biological Association of the United Kingdom - Tập 54 Số 1 - Trang 223-249 - 1974
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