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<title>UTas ePrints - Effect of size on reproductive output of giant crabs Pseudocarcinus gigas (Lamarck): Oziidae</title>
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<meta content="Effect of size on reproductive output of giant crabs Pseudocarcinus gigas (Lamarck): Oziidae" name="eprints.title" />
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<meta content="Fecundity and egg size of giant crabs (Pseudocarcinus gigas) were determined from egg masses of 162 crabs sampled from three sites in south-eastern Australia: western Victoria, western Tasmania and eastern Tasmania. Crabs ranged in carapace length from 126 to 220 mm and egg number
ranged from 830000 to 2500000. Egg number and egg size increased with size of female. There appeared to be a decline in number of eggs and size of eggs with successive broods produced between moults. Sampling locality appeared to have little effect on reproductive output. Regression of an allometric model of log egg number to log crab size had a slope of 1.76 which was significantly less than
3.0. This indicates there is not a simple volumetric relationship between the variables, which would tend
to occur if increasing fecundity with female size was a simple function of increased body space available
for ovarian development. This pattern appeared to be a function of decreasing egg number and size with
successive broods, and the trend of increasing egg size with female size." name="eprints.abstract" />
<meta content="1997" name="eprints.date" />
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<meta content="Annala, J. H., and Bycroft, B. L. (1987). Fecundity of the New Zealand red rock lobster, Jasus edwardsii. New Zealand Journal of Marine and Freshwater Research 21, 591-7.
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Clarke, A. (1993). Egg size and egg composition in polar shrimps (Caridea
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Edwards, E. (1979). 'The Edible Crab and its Fishery in British Waters.'
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<meta content="Fecundity and egg size of giant crabs (Pseudocarcinus gigas) were determined from egg masses of 162 crabs sampled from three sites in south-eastern Australia: western Victoria, western Tasmania and eastern Tasmania. Crabs ranged in carapace length from 126 to 220 mm and egg number
ranged from 830000 to 2500000. Egg number and egg size increased with size of female. There appeared to be a decline in number of eggs and size of eggs with successive broods produced between moults. Sampling locality appeared to have little effect on reproductive output. Regression of an allometric model of log egg number to log crab size had a slope of 1.76 which was significantly less than
3.0. This indicates there is not a simple volumetric relationship between the variables, which would tend
to occur if increasing fecundity with female size was a simple function of increased body space available
for ovarian development. This pattern appeared to be a function of decreasing egg number and size with
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<h1 class="ep_tm_pagetitle">Effect of size on reproductive output of giant crabs Pseudocarcinus gigas (Lamarck): Oziidae</h1>
<p style="margin-bottom: 1em" class="not_ep_block"><span class="person_name">Gardner, Caleb</span> (1997) <xhtml:em>Effect of size on reproductive output of giant crabs Pseudocarcinus gigas (Lamarck): Oziidae.</xhtml:em> Marine and Freshwater Research, 48 . pp. 581-587. ISSN 1323-1650</p><p style="margin-bottom: 1em" class="not_ep_block"></p><table style="margin-bottom: 1em" class="not_ep_block"><tr><td valign="top" style="text-align:center"><a href="http://eprints.utas.edu.au/618/1/GC_fecundity_article.pdf"><img alt="[img]" src="http://eprints.utas.edu.au/style/images/fileicons/application_pdf.png" class="ep_doc_icon" border="0" /></a></td><td valign="top"><a href="http://eprints.utas.edu.au/618/1/GC_fecundity_article.pdf"><span class="ep_document_citation">PDF</span></a> - Full text restricted - Requires a PDF viewer<br />154Kb</td></tr></table><p style="margin-bottom: 1em" class="not_ep_block">Official URL: <a href="http://www.publish.csiro.au/?nid=126">http://www.publish.csiro.au/?nid=126</a></p><div class="not_ep_block"><h2>Abstract</h2><p style="padding-bottom: 16px; text-align: left; margin: 1em auto 0em auto">Fecundity and egg size of giant crabs (Pseudocarcinus gigas) were determined from egg masses of 162 crabs sampled from three sites in south-eastern Australia: western Victoria, western Tasmania and eastern Tasmania. Crabs ranged in carapace length from 126 to 220 mm and egg number
ranged from 830000 to 2500000. Egg number and egg size increased with size of female. There appeared to be a decline in number of eggs and size of eggs with successive broods produced between moults. Sampling locality appeared to have little effect on reproductive output. Regression of an allometric model of log egg number to log crab size had a slope of 1.76 which was significantly less than
3.0. This indicates there is not a simple volumetric relationship between the variables, which would tend
to occur if increasing fecundity with female size was a simple function of increased body space available
for ovarian development. This pattern appeared to be a function of decreasing egg number and size with
successive broods, and the trend of increasing egg size with female size.</p></div><table style="margin-bottom: 1em" cellpadding="3" class="not_ep_block" border="0"><tr><th valign="top" class="ep_row">Item Type:</th><td valign="top" class="ep_row">Article</td></tr><tr><th valign="top" class="ep_row">Keywords:</th><td valign="top" class="ep_row">fecundity, Pseudocarcinus gigas</td></tr><tr><th valign="top" class="ep_row">Subjects:</th><td valign="top" class="ep_row"><a href="http://eprints.utas.edu.au/view/subjects/300700.html">300000 Agricultural, Veterinary and Environmental Sciences > 300700 Fisheries Sciences</a></td></tr><tr><th valign="top" class="ep_row">ID Code:</th><td valign="top" class="ep_row">618</td></tr><tr><th valign="top" class="ep_row">Deposited By:</th><td valign="top" class="ep_row"><span class="ep_name_citation"><span class="person_name">Dr Caleb Gardner</span></span></td></tr><tr><th valign="top" class="ep_row">Deposited On:</th><td valign="top" class="ep_row">24 Jan 2007</td></tr><tr><th valign="top" class="ep_row">Last Modified:</th><td valign="top" class="ep_row">09 Jan 2008 02:30</td></tr><tr><th valign="top" class="ep_row">ePrint Statistics:</th><td valign="top" class="ep_row"><a target="ePrintStats" href="/es/index.php?action=show_detail_eprint;id=618;">View statistics for this ePrint</a></td></tr></table><p align="right">Repository Staff Only: <a href="http://eprints.utas.edu.au/cgi/users/home?screen=EPrint::View&eprintid=618">item control page</a></p>
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