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Responses of Bugula neritina, an arborescent bryozoan to the effects of real and imitation predation events by the nudibranch Polycera hedgpethi

Created 13/03/2025

Updated 13/03/2025

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For colonial organisms physical damage or predation can result in the loss of part of the colony. Although the colony may survive, loss of part of the colony may alter patterns of growth and reproduction. In this study the response of Bugula neritina, an arborescent bryozoan, to physical damage was tested in three experiments: 1) short term regenerative responses to the removal of zooids from growth tips; ii) growth and reproductive responses to damage imposed at different locations within the colony and iii) the effects of damage produced by a natural predator the nudibranch Polycera hedgepethi. This dataset gives the growth and reproductive responses of B. neritina colonies over a four week period in February 2000 following three treatments: i) a single predation event by P. hedgepethi; ii) an imitation predation event and iii) no damage. Each of the three experimental treatments was carried out on twenty immature B. neritina colonies under laboratory conditions; the colonies were then returned to the field site at Williamstown, Victoria. Neither predation by P. hedgepethi nor imitation predation resulted in any significant change in growth, onset of reproduction or reproductive output in B. neritina.

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Title Responses of Bugula neritina, an arborescent bryozoan to the effects of real and imitation predation events by the nudibranch Polycera hedgpethi
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/a06d7c73-1575-4fcb-a6bf-fadf3a920f7d
Contact Point
CSIRO Oceans & Atmosphere
mjkeough@unimelb.edu.au
Reference Period 18/02/2000 - 18/03/2000
Geospatial Coverage {"type": "Point", "coordinates": [144.91414, -37.86347]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Responses of Bugula neritina, an arborescent bryozoan to the effects of real and imitation predation events by the nudibranch Polycera hedgpethi". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/responses-of-bugula-neritina-an-arborescent-bryozoan-to-the-effects-of-real-and-imitation-preda

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