Reproductive effort and r-and K-selection in two species of Lacuna (Gastropoda: Prosobranchia)

  title={Reproductive effort and r-and K-selection in two species of Lacuna (Gastropoda: Prosobranchia)},
  author={J. Grahame},
  journal={Marine Biology},
  • J. Grahame
  • Published 1977
  • Biology
  • Marine Biology
  • The growth and spawning of Lacuna pallidula and L. vincta were measured in the laboratory over 7 months. In both cases, there were significant differences between the mean number of eggs per batch or weight of egg batches from females of the same species and also between rates of spawning by females of the same species. The reproductive effort of L. vincta, estimated by the ratio total spawn weight: body weight and by the time taken to exceed body weight in cumulative spawn, is approximately… CONTINUE READING
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