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All Outputs (310)

2000+ UK Shark tagging program: An angler led shark-tagging initiative in UK coastal waters (2005)
Journal Article
Drake, S. C., Drake, J. A., & Johnson, M. L. (2005). 2000+ UK Shark tagging program: An angler led shark-tagging initiative in UK coastal waters. Journal of Northwest Atlantic fishery science, 35, 233-238. https://doi.org/10.2960/j.v35.m483

The "2000+ UK Shark tagging program" was originally developed by anglers in order to better understand the distribution and behaviour of their target species. By September 2002, 220 volunteer taggers measured, weighed and tagged 2 374 sharks. Despite... Read More about 2000+ UK Shark tagging program: An angler led shark-tagging initiative in UK coastal waters.

Habitat heterogeneity, body size and phenotypic diversity in Idotea granulosa (Isopoda) on the north-east coast of England (2001)
Journal Article
Hull, S., Winter, L., & Scott, G. (2001). Habitat heterogeneity, body size and phenotypic diversity in Idotea granulosa (Isopoda) on the north-east coast of England. Journal of the Marine Biological Association of the UK, 81(6), 949-954. https://doi.org/10.1017/S002531540100488X

Samples were collected from six pools in order to examine the distribution, body length, base colour and phenotypic diversity (chromatophore pattern) of Idotea granulosa populations on five different species of algae (Ceramium, Corallina, Chondrus, F... Read More about Habitat heterogeneity, body size and phenotypic diversity in Idotea granulosa (Isopoda) on the north-east coast of England.

Phenotypic variation in Fucus spiralis (Phaeophyceae): morphology, chemical phenotype and their relationship to the environment (2001)
Journal Article
Scott, G., Hull, S., Hornby, S., Hardy, F. G., & Owens, N. (2001). Phenotypic variation in Fucus spiralis (Phaeophyceae): morphology, chemical phenotype and their relationship to the environment. European Journal of Phycology, 36(1), 43-50. https://doi.org/10.1080/09670260110001735188

Phenotypic Variation of Fucus spiralis was examined in terms of morphology and chemical composition, as determined by pyrolysis mass spectrometry (PyMS). After discriminant analysis both techniques revealed the existence of two morphotypes which were... Read More about Phenotypic variation in Fucus spiralis (Phaeophyceae): morphology, chemical phenotype and their relationship to the environment.

An investigation of the genetic variation in four fucales species using cellulose acetate electrophoresis (2001)
Journal Article
Johnson, L. J., Scott, G. W., & Hull, S. L. (2001). An investigation of the genetic variation in four fucales species using cellulose acetate electrophoresis. Botanica Marina, 44(2), 119 - 123. https://doi.org/10.1515/bot.2001.016

A cellulose acetate electrophoresis method was used to examine allozyme variation both within and between three members of the genus Fucus: F. spiralis, F. vesiculosus and F. serratus and Ascophyllum nodosum. Samples of algae were collected from two... Read More about An investigation of the genetic variation in four fucales species using cellulose acetate electrophoresis.

Seasonal patterns in the reproductive activity of barnacle-dwelling littorinids (2000)
Journal Article
Johnson, L. J., Mill, P. J., Hull, S. L., Ducrotoy, P., & Caley, K. J. (2000). Seasonal patterns in the reproductive activity of barnacle-dwelling littorinids. Journal of the Marine Biological Association of the UK, 80(5), 821-826. https://doi.org/10.1017/s0025315400002794

The reproductive activity of a population of barnacle-dwelling littorinids at Peak Steel, on the north east coast of England, was investigated. Variation in the number of mature males and females, expressed as a percentage of the whole population, sh... Read More about Seasonal patterns in the reproductive activity of barnacle-dwelling littorinids.

The effects of chemical pollution on the bioturbation potential of estuarine intertidal mudflats (2000)
Presentation / Conference Contribution
Mazik, K., & Elliott, M. The effects of chemical pollution on the bioturbation potential of estuarine intertidal mudflats

Bioturbation by benthic infauna has important implications for the fate of contaminants as well as for changes to the sediment structure, chemistry and transport characteristics. There is an extensive literature dealing with the influence of sediment... Read More about The effects of chemical pollution on the bioturbation potential of estuarine intertidal mudflats.

The occurrence of abnormal embryos in two ovoviviparous barnacle-dwelling littorinids (2000)
Journal Article
Johnson, L. J., Mill, P. J., Hull, S. L., & Ducrotoy, J.-P. (2000). The occurrence of abnormal embryos in two ovoviviparous barnacle-dwelling littorinids. Journal of the Marine Biological Association of the UK, 80(3), 547-548. https://doi.org/10.1017/S0025315400002265

The occurrence of developmental abnormalities in two ovoviviparous littorinids (Littorina neglecta and a barnacle-dwelling form of L. saxatilis) inhabiting the barnacle zone at Peak Steel, Ravenscar on the north-east coast of England was investigated... Read More about The occurrence of abnormal embryos in two ovoviviparous barnacle-dwelling littorinids.

Clonal diversity and rockpool size in the marine ostracod, Callistocythere badia (2000)
Journal Article
Hull, S. L., & Rollinson, D. (2000). Clonal diversity and rockpool size in the marine ostracod, Callistocythere badia. Journal of the Marine Biological Association of the UK, 80(3), 551-552. https://doi.org/10.1017/S0025315400002289

Samples containing the marine ostracod Callistocythere badia were collected from upper shore rockpools on Filey Brigg, north-east England in order to examine the life cycle and genetic structure of the species. Reproduction occurred during spring/sum... Read More about Clonal diversity and rockpool size in the marine ostracod, Callistocythere badia.

Some implications of plant size in monotypic and polytypic populations of Fucus spiralis (2000)
Journal Article
Scott, G. W., Shaw, J. H., Hull, S. L., Pickaert, C., & Burlak, A. M. (2000). Some implications of plant size in monotypic and polytypic populations of Fucus spiralis. Journal of the Marine Biological Association of the UK, 80(2), 359-360. https://doi.org/10.1017/S0025315499001952

Plant size and aspects of the reproductive potential of monotypic and polytypic populations of Fucus spiralis and Fucus spiralis forma nanus were compared. The two formae were distinct, but the differences between them were less pronounced where they... Read More about Some implications of plant size in monotypic and polytypic populations of Fucus spiralis.

Sex-biased colour polymorphism in the marine ostracod Paradoxostoma variabile (Crustacea) (2000)
Journal Article
Hull, S. L., & Rollinson, D. (2000). Sex-biased colour polymorphism in the marine ostracod Paradoxostoma variabile (Crustacea). Journal of the Marine Biological Association of the UK, 80(1), 69-73. https://doi.org/10.1017/S0025315499001575

Samples of four species of algae were collected from three mid-shore pools on each of three shores on the north-east coast of England in order to describe colour polymorphism in the common intertidal ostracod Paradoxostoma variabile. Eight different... Read More about Sex-biased colour polymorphism in the marine ostracod Paradoxostoma variabile (Crustacea).

Comparison of tidepool phytal ostracod abundance and assemblage structure on three spatial scales (1999)
Journal Article
Hull, S. (1999). Comparison of tidepool phytal ostracod abundance and assemblage structure on three spatial scales. Marine ecology progress series, 182, 201-208. https://doi.org/10.3354/meps182201

Triplicate samples of Corallina officinalis L. were collected from either side of 5 large mid-shore pools on 3 shores in north-eastern England (Ravenscar, Filey Brigg and Flamborough) in order to examine the patterns of variation in abundance of diff... Read More about Comparison of tidepool phytal ostracod abundance and assemblage structure on three spatial scales.

Intertidal ostracod (Crustacea: Ostracoda) abundance and assemblage structure within and between four shores in north-east England (1999)
Journal Article
Hull, S. L. (1999). Intertidal ostracod (Crustacea: Ostracoda) abundance and assemblage structure within and between four shores in north-east England. Journal of the Marine Biological Association of the UK, 79(6), 1045-1052. https://doi.org/10.1017/S0025315499001289

Triplicate samples of rockpool algae were collected at each of three tidal elevations (upper, mid and low) from four shores on the north-east coast of England. Two moderately exposed (Ravenscar, the exposed shore at Filey Brigg), and two moderately s... Read More about Intertidal ostracod (Crustacea: Ostracoda) abundance and assemblage structure within and between four shores in north-east England.

Reproduction in four populations of brooding periwinkle (Littorina) at Ravenscar, North Yorkshire: adaptation to the local environment? (1999)
Journal Article
Hull, S. L., Grahame, J., & Mill, P. J. (1999). Reproduction in four populations of brooding periwinkle (Littorina) at Ravenscar, North Yorkshire: adaptation to the local environment?. Journal of the Marine Biological Association of the UK, 79(5), 891-898. https://doi.org/10.1017/s0025315499001058

The current study examines the reproductive patterns found within four ovoviviparous, brooding periwinkle populations on one shore in the north-east coast of England; the boulder dwelling populations Littorina saxatilis H (upper-shore form with thin... Read More about Reproduction in four populations of brooding periwinkle (Littorina) at Ravenscar, North Yorkshire: adaptation to the local environment?.

Assortative mating between two distinct micro-allopatric populations of Littorina saxatilis (Olivi) on the northeast coast of England (1998)
Journal Article
Hull, S. L. (1998). Assortative mating between two distinct micro-allopatric populations of Littorina saxatilis (Olivi) on the northeast coast of England. Hydrobiologia, 378(1/3), 79-88. https://doi.org/10.1023/a%3A1003237521419

Size assortative mating is a common invertebrate mating pattern and is usually accompanied by male and female sexual selection, and these three behaviours can contribute to reproductive isolation. Two distinct populations of the marine prosobranch Li... Read More about Assortative mating between two distinct micro-allopatric populations of Littorina saxatilis (Olivi) on the northeast coast of England.