Barry, J. T. and Wickens, J. F. (1992) *A model for the number and sizes of crevices that can be seen on the exposed surface of submerged rock reefs.* Environmetrics, 3 (1). pp. 55-69. ISSN 1099-095X

## Abstract

A simple model was devised to estimate the number and sizes of crevices visible at the surface of submerged, artificial rock reefs intended to provide shelter for lobsters and crayfish. The model assumes that the rocks are spherical and that each crevice is formed by the independent packing of three rocks. We use this model to derive the mean and variance of the rock size distribution needed to produce a given mean and variance for a crevice size distribution. These results are used as the initial estimates in an algorithm to choose the rock size distribution which comes closest to producing a crevice size distribution appropriate for the creation of new lobster or crayfish habitat.

Item Type: | Article |
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Journal or Publication Title: | Environmetrics |

Uncontrolled Keywords: | Packing problem • inverse estimation • lobsters • crayfish |

Subjects: | ?? qa ?? |

Departments: | Faculty of Science and Technology > Mathematics and Statistics |

ID Code: | 19648 |

Deposited By: | ep_ss_importer |

Deposited On: | 11 Nov 2008 12:10 |

Refereed?: | Yes |

Published?: | Published |

Last Modified: | 23 Mar 2017 17:11 |

Identification Number: | |

URI: | http://eprints.lancs.ac.uk/id/eprint/19648 |

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