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Recruitment and colonisation of vegetative fragments of Posidonia australis and Posidonia coriacea
Journal article   Peer reviewed

Recruitment and colonisation of vegetative fragments of Posidonia australis and Posidonia coriacea

M.L. Campbell
Aquatic Botany, Vol.76(2), pp.175-184
2003
DOI: https://doi.org/10.1016/S0304-3770(03)00016-0
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Abstract

Vegetative fragment recruitment of both Posidonia australis and Posidonia coriacea was observed on Success Bank, Western Australia, beginning in November 1993 (n = 106). Recruitment of vegetative fragments was defined as attachment to the substrate and subsequent rhizome extension. Rhizome extension occurred in 31% of all recruited P. australis vegetative fragments, yet no extension was detected in recruited P. coriacea vegetative fragments. In shallow water (<9 m), P. australis vegetative fragment recruits extended at an average rate of 0.78 ± 0.02 mm per day, but did not survive for more than 10 months. This extension rate was slightly less than in situ meadow rhizomes of established P. australis plants (1.01 ± 0.19 mm per day) from the same depth. The majority (78%) of deep water (10-12 m) P. australis vegetative fragment recruits survived >10 months, with rhizomes extending at slower rates (0.41 ± 0.02 mm per day) than shallow water recruits. No in situ seagrasses grew at the deep site for direct comparison.

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Source: InCites

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35 Record Views
29 Times Cited - Web of Science

InCites Highlights

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Citation topics
3 Agriculture, Environment & Ecology
3.2 Marine Biology
3.2.1182 Coastal Vegetation
Web Of Science research areas
Marine & Freshwater Biology
Plant Sciences
ESI research areas
Plant & Animal Science
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