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Mysidacea source details

SUTHERLAND, D. & CLOSS, G.P. (2001). Diel patterns of mysid drift (Crustacea: Mysidacea) in the Taieri River estuary, New Zealand New Zealand Journal of Marine and Freshwater Research 35: 197-200
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SUTHERLAND, D. & CLOSS, G.P.
2001
Diel patterns of mysid drift (Crustacea: Mysidacea) in the Taieri River estuary, New Zealand
New Zealand Journal of Marine and Freshwater Research 35: 197-200
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NeMys doc_id: 3621
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Drifting mysids were sampled to determine diel activity, and whether mysid numbers vary with respect to inflowing and outflowing tides. Samples of drifting mysids were collected at the mouth of the Taieri River, New Zealand, over one 24-h cycle using five replicate conical drift nets in January 1999. One-night and 1-day ebb and flood tide were each sampled. Four species of mysid Tenagomysis macropsis, T. novae-zealandiae, T. robusta, and an apparently undescribed species of Gastrosaccus sp., were collected over the sampling period. One species, T. robusta, has not previously been collected from estuarine or riverine systems. The undescribed Gastrosaccus sp. was the most abundant of the four species. All four species were more abundant at night, with T. robusta and Gastrosaccus sp. being considerably more abundant in the drift on outflowing tides. In contrast, roughly equal numbers of T. macropsis and T. novae-zealandiae were observed drifting in and out of the estuary at night
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