{"refrec":{"BRefID":69708,"RR":"<b>Wilson, J.G.; Forrest, N.</b> (2004). Population dynamics, biomass and productivity of <i>Limapontia depressa</i> (Gastropoda, Opisthobranchia) at Bull Island, Dublin, Ireland. <i>Aquat. Ecol. 38(4)</i>: 575-585. <a href=\"http://dx.doi.org/10.1007/s10452-004-0310-z\" target=\"_blank\">http://dx.doi.org/10.1007/s10452-004-0310-z</a>","BEntID":65779,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Ecol. 38(4)</i>: 575-585. <a href=\"https://dx.doi.org/10.1007/s10452-004-0310-z\" target=\"_blank\">https://dx.doi.org/10.1007/s10452-004-0310-z</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Wilson, J.G.; Forrest, N.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Wilson, J.G.; Forrest, N.","Englishabstract":"<i>Limapontia depressa</i> was present in the saltmarsh pools at Bull Island, Dublin from October to June each year. Numbers peaked in December, with a secondary peak in April, and the maximum density recorded was just under 23000 indiv m<sup>-2</sup>. The strong population seasonal cycle was not linked to salinity or chlorophyll-a cycles but did coincide with the drying of the pools. Average production (P) was 233 kJ m<sup>-2</sup> y<sup>-1</sup>, with a P:B ratio of just 2:1, which is rather low for such a small animal and may be a function of the low growth rate. These conclusions must be treated with caution due to uncertainty over recruitment mechanisms. Gamete output (G) was calculated at a maximum of 28.6 kJ m<sup>-2</sup> y<sup>-1</sup>. This is a higher secondary production than previously reported for saltmarsh herbivores, and may be an important link into the wider estuarine trophic system and a vital food resource for small waders. 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