a quantitative technique for sampling motile macroinvertebrates in beds of the seagrass posidonia oceanica (l.) delile

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ID: 137182
2002
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Abstract
Techniques for sampling motile macroinvertebrates associated with Posidonia oceanica seagrass meadows have mainly involved the use of hand-nets and suction samplers or collection by hand. These techniques give unreliable quantitative estimates or have practical difficulties. A large cylindrical saw-rimmed corer was designed and used successfully to obtain quantitative samples of macroinvertebrates from both foliage and root-rhizome matrix of a Posidonia oceanica meadow in Malta (central Mediterranean). Choice of the appropriate sample unit size was assessed by comparing the relative accuracy, precision and efficiency of three different core diameters: 25 cm, 35 cm and 45 cm. The results suggest that for comparison of macrofaunal species richness and abundance between different meadows/sites the 25 cm diameter corer is recommended. For surveys aimed at estimating total diversity within a particular site, the 35 cm diameter corer is more appropriate.
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borg2002scientiaa Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Joseph A. Borg, Martin J. Attrill, Ashley A. Rowden, Patrick J. Schembri, Malcolm B. Jones
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Journal Nutrients
Year 2002
DOI
10.3989/scimar.2002.66n153
URL
http://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/563
Keywords
sampling mediterranean sea posidonia oceanica seagrass fisheries angling

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