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  1. No Access

    Article

    The Invasion of the Chinese Mitten Crab (Eriocheir sinensis) in the United Kingdom and Its Comparison to Continental Europe

    Owing to its catadromous lifestyle, the Chinese mitten crab, Eriocheir sinensis, allows comparison between a coastal and an inland biological invasion of the same species. Information about the distribution of th...

    L. -M. Herborg, S. P. Rushton, A. S. Clare, M. G. Bentley in Biological Invasions (2005)

  2. No Access

    Article

    Spread of the Chinese mitten crab (Eriocheir sinensis H. Milne Edwards) in Continental Europe: analysis of a historical data set

    The Chinese mitten crab, Eriocheir sinensis(H. Milne Edwards), is an invasive species that lives as an adult predominantly in freshwater but migrates seawards to breed. It has spread via ballast water and/or inte...

    L.-M. Herborg, S.P. Rushton, A.S. Clare, M.G. Bentley in Hydrobiologia (2003)

  3. No Access

    Article

    Mating Behaviour and Evidence for a Female Released Courtship Pheromone in the Signal Crayfish Pacifastacus leniusculus

    The mating behaviour of the signal crayfish, Pacifastacus leniusculus (Dana), has been categorised into seven distinct stages:; orientation; contact; seizure; turning; mounting; spermatophore deposition; and dism...

    P. D. Stebbing, M. G. Bentley, G. J. Watson in Journal of Chemical Ecology (2003)

  4. No Access

    Chapter and Conference Paper

    Spread of the Chinese mitten crab (Eriocheir sinensis H. Milne Edwards) in Continental Europe: analysis of a historical data set

    The Chinese mitten crab, Eriocheir sinensis (H. Milne Edwards), is an invasive species that lives as an adult predominantly in freshwater but migrates seawards to breed. It has spread via ballast water and/or int...

    L.-M. Herborg, S. P. Rushton, A. S. Clare… in Migrations and Dispersal of Marine Organis… (2003)

  5. No Access

    Chapter and Conference Paper

    Sexual Satellites, Moonlight and the Nuptial Dances of Worms: The Influence of the Moon on the Reproduction of Marine Animals

    The evidence that the moon has a profound effect on the timing of reproductive activities of marine animals is compelling. Some moon phase related spawning events are revealed by the constant phase relationshi...

    M. G. Bentley, P. J. W. Olive, K. Last in Earth-Moon Relationships (2001)

  6. No Access

    Article

    Can synchronous spawning be predicted from environmental parameters? A case study of the lugworm Arenicola marina

    The annual epidemic spawning period of a Scottish population of Arenicola marina (L.) has been recorded over a period of 13 yr. This population spawns between mid-October and mid-November in a discrete spawning ...

    G. J. Watson, M. E. Williams, M. G. Bentley in Marine Biology (2000)

  7. Article

    Sexual Satellites, Moonlight and the Nuptial Dances of Worms: the Influence of the Moon on the Reproduction of Marine Animals

    The evidence that the moon has a profound effect on the timing of reproductive activities of marine animals is compelling. Some moon phase related spawning events are revealed by the constant phase relationshi...

    M. G. Bentley, P. J. W. Olive, K. Last in Earth, Moon, and Planets (1999)

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  8. Article

    Sperm ultrastructure in two species of the polychaete genusHarmothoe (Polynoidae)

    The structure of spermatozoa is described for two species of polynoid polychaete,Harmothoe imbricata andHarmothoe impar, from material fixed and examined by both scanning and transmission electron microscopy. The...

    M. G. Bentley, Katrin Serries in Helgoländer Meeresuntersuchungen (1992)

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  9. Article

    An ultrastructural study of spermatogenesis and sperm morula breakdown inArenicola marina (L.) (Annelida: Polychaeta)

    Spermatogenesis in the lugwormArenicola marina, in common with other members of Arenicolidae, occurs in the coelomic fluid and results in the formation of discs of mature spermatozoa known as a morulae. Within a ...

    A. A. Pacey, M. G. Bentley in Helgoländer Meeresuntersuchungen (1992)

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  10. Article

    An ultrastructural study of oogenesis in the polychaeteNephtys hombergi Savigny

    The polychaeteNephtys hombergi has an annual cycle of reproduction. Ovaries were fixed for electron microscopy during the gametogenic phase from September to March, and during the breeding and post-breeding perio...

    M. G. Bentley in Helgoländer Meeresuntersuchungen (1989)

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  11. No Access

    Article

    Reproductive energetics, endocrinology and population dynamics of Nephtys caeca and N. hombergi

    An investigation of gametogenetic cycles and spawning success in populations of Nephtys caeca and N. hombergi from the River Tyne estuary, North Shields, England, in relation to production of gonadotrophic (GH) a...

    P. J. W. Olive, M. G. Bentley, N. H. Wright, P. J. Morgan in Marine Biology (1985)

  12. No Access

    Article

    Reproductive success, relative abundance and population structure of two species of Nephtys in an estuarine beach

    During 1978 and 1979 specimens of Nephtys hombergii in the River Tyne estuary (North East England) became gravid during the winter but did not spawn in the spring breeding season; instead their gametes were resor...

    P. J. W. Olive, P. R. Garwood, M. G. Bentley, N. Wright in Marine Biology (1981)