Posidonia oceanica is a true plant, with flowers also, not an alga. It
grows on flat bottoms, with leaves which may be some meters long.
Enzo Campani
At 14.07 10/10/01 +1000, you wrote:
>Dear David
>I believe Posidonia is a type of seagrass
>Geoff
>
>
>>From: David Kirsh <[log in to unmask]>
>>Reply-To: Conchologists of America List <[log in to unmask]>
>>To: [log in to unmask]
>>Subject: Re: Protected Mediterranean Species
>>Date: Tue, 9 Oct 2001 18:20:44 -0700
>>
>>Dear fellow nobilis owners,
>>
>>What is a posidonia field?
>>
>>I received a single large valve of P. nobilis from a friend of my family
>>when I visited Italy in 1974.
>>
>>David Kirsh
>>Durham, NC
>>
>> > From: jan neefs <[log in to unmask]>
>> > Reply-To: Conchologists of America List <[log in to unmask]>
>> > Date: Tue, 9 Oct 2001 23:33:08 +0200
>> > To: [log in to unmask]
>> > Subject: Re: Protected Mediterranean Species
>> >
>> > Hello you all ,
>> > Last year we had a holiday in Menorca , that is one of the Spanish
>>Balearic
>> > Islands . there I saw for the first time ever in a posidonia field some
>> > 30-40 ! living species of the Pinna nobilis in 3-5mtr deep water , some
>> > 100/150 meters off beach, but near rocks , and above these rocks there
>>were
>> > appartments , restaurants etc. Did you know , that inside these
>>wonderfull
>> > "mussels" there lives some lobster like creature as a sort of parasite ?
>> > Does anyone know if this occurs in other Pinna species too ?
>> > I must confess I took 3 with me for my own collection .One was very
>>small ,
>> > some 10 cm with very long spines . I know it was illegal to take them
>>home
>> > with me , but I simply could not resist these shells to leave them
>>lying
>> > dead . I simply know , that if I didn't took them , somebody else
>>certainly
>> > will .These specimens will be looked after very good , and are a good
>>memory
>> > for the best holiday ever I had over there .That doesn't justify my
>>actually
>> > taking them , but I will never sell these beauties , or exchange them ,
>>for
>> > they are very precious to me . If I was very greedy I could take them
>>all
>> > for there was no checking at the airport at all .Despite of the fact I
>>took
>> > three sp. home I think I have a good common sense of letting the other
>> > species rest .
>> > What would you do in my situation as a shell-collector?letting them , or
>> > take one or two?
>> >
>> > I wrote this just to let you all know how I felt , and still feel about
>>this
>> > protection of endangered species .
>> > The Cypraea's are the very same , but I will not take every species I
>>'ll
>> > encounter , just take for my own collection .
>> >
>> > until another time , Jan Neefs
>> >
>> >
>> > ----- Original Message -----
>> > From: Rafael María Puertas Rey <[log in to unmask]>
>> > To: <[log in to unmask]>
>> > Sent: Tuesday, October 09, 2001 10:32 PM
>> > Subject: Protected Mediterranean Species
>> >
>> >
>> >> Dear Michael and all,
>> >>
>> >> The first Pinna nobilis I saw in my life was an item
>> >> 'standing' near an anphora in a garden of a housing
>> >> scheme in La Manga, Murcia (Spain). Of course, it had
>> >> been brought there by divers.
>> >>
>> >> I remember thinking at once: "there must be more
>> >> somewhere near here". I looked for Posidonia fields,
>> >> and after a couple of days I found one -1.5 m deep. I
>> >> could count at least forty items of 'nobilis'. Nearly
>> >> half of the population was dead, but remained empty in
>> >> their living position.
>> >>
>> >> Three years after that I came back (2000). They had
>> >> built four new blocks close to the beach: I could only
>> >> observe a couple of living animals; anyhow, the empty
>> >> shells where still there, standing like 'living
>> >> deads'... (the secret about the sumerged "graveyard"
>> >> had been preserved). This gave me the main arguments
>> >> for considering pollution the actual reason for their
>> >> disappearance.
>> >>
>> >> Nevertheless, I agree with you. If divers had learnt
>> >> of the population existence, the situation would have
>> >> been even worse. I guess this is because some divers
>> >> do not collect, though; they simply spoil.
>> >>
>> >> On the other hand, in case you summed up all the
>> >> people in Málaga and Murcia in real want of a Pinna
>> >> 'nobilis' for a serious collection (not to leave it
>> >> 'decorating' in the grass, or to show your friends the
>> >> 'giant mussel' you have fished), the result won't be
>> >> much over sixty? seventy? people...
>> >>
>> >> Obviously, in my first mail I was talking about the
>> >> little impact exerted by reasonable, sensible
>> >> collectors with a deep sense of responsability, as I
>> >> think most of us are.
>> >>
>> >> Best regards,
>> >>
>> >> Fali.
>> >>
>> >> Rafael María Puertas Rey.
>> >>
>> >>
>> >>
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>
>
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