Dear Carlos,
Sorry, the line was so bad so that I could not respond
you immediatelly.
Thanks for your information, it seems that you were
done similar research before ?
I'll try the best using your suggestion. thank you.
Felicia
--- Carlos Afonso <[log in to unmask]> wrote:
> Hello Felicia,
>
> For this type of analysis with shrimp, one normally
> uses individual total and carapace length in
> millimetres and, individual weight in grams. I
> still
> haven’t read similar publications related with
> seashells but I’m sure there are at least a few. Any
> way I suspect that the essential data you will need
> is
> the total height and width (e.g. for a Cypraea).
> Knowing which individuals are mature or immature is
> relevant but not essential. If you measure a large
> quantity of individuals that represent all sizes of
> the existing stock, FISAT will give you more details
> on the parameters you are seeking for. What you must
> find out thought is the longevity for the specie or
> species you are working with, for comparison. If now
> works exist, consider yours as a first contribute;
> sure more will come out after woods :-).
>
> I suggest you contact CSIRO Marine Laboratories. PO
> Box 120. Cleveland. 4163. Australia. They have some
> pretty good publications with microcomputer
> programs,
> like FISAT, for local shrimp stocks. They might also
> have some publications related with shellfish; it’s
> worth trying for.
>
> Also try to acquire, Sparre, P. & Venema, S. C.,
> (1998) – Introduction to tropical fish stock
> assessment. FAO FISHERIES TECHNICAL PAPER 306/1.
> Part
> 1: Manual, Rev.2. FAO. Rome, 407 p. This publication
> might also help you out with these and other dough’s
> for your work.
>
> Wish you the best of luck with your work and hope
> you
> find good results so that one day you can tell us
> all
> about them, her on the list.
> The best of regards,
> Carlos Afonso from South Portugal
>
>
>
>
>
>
> --- Felicia Zahida <[log in to unmask]> wrote:
> > Dear All,
> >
> > I do interest to do some stock analysis on shells,
> > since there is a tendency to harvest shells as
> much
> > as
> > possible in our beaches areas.
> >
> > My surfing resulting in the availability of stock
> > analysis program called FISAT 2000 (FAO-ICLARM
> Stock
> > Analaysis Tools) released by FAO and ICLARM. This
> > program originally designed to fishes and
> lobsters.
> >
> > Please respond me immediatelly if you do have an
> > experience in this case of study. My question is
> > what
> > shells character(s) should I use to determine
> > whether
> > my shells is mature or young ? Is the aperture
> width
> > ?
> > or what ? Shells width? shells lengths?
> >
> > Thank you for your kind response in advance.
> >
> > Felicia Zahida
> > Faculty of Biology
> > Atma Jaya Yogyakarta University
> > Jl. Babarsari 44
> > Yogyakarta 55281 Indonesia
> > [log in to unmask]
> > [log in to unmask]
> >
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Make international calls for as low as $.04/minute
> > with Yahoo! Messenger
> > http://phonecard.yahoo.com/
>
>
> __________________________________________________
> Do You Yahoo!?
> Make international calls for as low as $.04/minute
> with Yahoo! Messenger
> http://phonecard.yahoo.com/
__________________________________________________
Do You Yahoo!?
Make international calls for as low as $.04/minute with Yahoo! Messenger
http://phonecard.yahoo.com/
|
