کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6385332 1626790 2016 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Assessment of scallop spat (Pecten novaezelandiae) transport, handling and tagging mortality for wild fishery enhancement, Golden Bay, New Zealand
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم آبزیان
پیش نمایش صفحه اول مقاله
Assessment of scallop spat (Pecten novaezelandiae) transport, handling and tagging mortality for wild fishery enhancement, Golden Bay, New Zealand
چکیده انگلیسی
The formerly lucrative Pecten novaezelandiae Southern Scallop fishery in New Zealand has experienced significant declines that have resulted in changes to spat handling and transport methods, with untested effects on spat survival. Experiments were carried out on board a harvest vessel to test the effects of spat handling, emersion, immersion and transport for up to 6 h post-harvest. Spat were then transferred to lantern cages for 7 d with lantern and spat bag controls, and examined for mortality. Length frequency analysis revealed smaller spat (mean: 20.4 mm ±0.3 95%CI) were more susceptible to handling and transport than larger individuals (mean: 25.9 mm ±0.23), but ANOVA tests did not reveal any differences between emersed or immersed treatments that appeared related to handling stress. The most severe treatment, transporting spat for 3 h at the bottom of a bulk bag to emulate crushing, had no detectable effect. Factors other than spat handling stress potentially responsible for the ongoing lack of recovery via enhanced spat in this fishery are discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fisheries Research - Volume 179, July 2016, Pages 86-89
نویسندگان
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