Rapport de Campagne - Station Biologique de Roscoff
Rapport de Campagne - Station Biologique de Roscoff
Rapport de Campagne - Station Biologique de Roscoff
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COMPTE RENDU DE CAMPAGNE A LA MER SUR UN NAVIRE Ifremer<br />
16:49:12 Genesis 4971 6490 2620 001 Photograph of the main genesis site with Plasma located 2 m away<br />
on what is possibly the up-cuttent si<strong>de</strong>. The highest <strong>de</strong>nsity of<br />
Riftia plumes is on the down-current si<strong>de</strong> of the photograph to the<br />
right of the picture.<br />
16:51:04 Genesis 4964 6535 2625 002 A photograph of Plasma from above showing that <strong>de</strong>pite being<br />
located very close to the chimney, it was placed on <strong>de</strong>trital free<br />
basalt with numerous Galitheids<br />
16:51:59 Genesis 4964 6792 2626 Nautile disturbes light brown <strong>de</strong>trital material<br />
16:55:36 Genesis 4959 6498 2628 003 Substantial numbers of limpets encrusting the tubes of the large<br />
Riftia at the top of the chimney<br />
17:06:57 Genesis 4955 6507 2627 Plasma released<br />
17:17:00 Genesis 4906 6667 2629 L ascenseur located and transported to the genesis site<br />
17:59:00 Genesis 4978 6544 2628 Arrival at the Genesis site with l ascenseur<br />
18:06:00 Genesis 4988 6526 2628 L ascenseur <strong>de</strong>ployed<br />
18:17:00 Genesis 4963 6530 2632 Deployment of le gren<strong>de</strong> nasse at the base of the genesis chimney<br />
18:23:00 Genesis 4963 6530 2632 Recovery of whelk trap<br />
18:25:00 Genesis 4964 6529 2630 004 Site of SMAC <strong>de</strong>ployed beyond the small chimneys25<br />
18:30:00 Genesis 6841 7203 2631 005 SMAC (E) <strong>de</strong>ployed<br />
18:32:00 Genesis 6321 5324 2634 Description by Max Dubois of the condition of the TRAC<br />
18:42:00 Genesis 4985 6523 2629 Return to l ascenseur<br />
18:52:04 Genesis 6924 7060 2634 Début <strong>de</strong> manip multi-préleveur, 20 cm from the TRAC at the<br />
small chimneys<br />
18:54:04 Genesis 6900 7286 2634 10 cm from the TRAC<br />
18:56:38 Genesis 6924 7125 2634 006 2cm from the TRAC<br />
18:58:15 Genesis 6893 7323 2634 Un<strong>de</strong>rneath the TRAC<br />
19:12:00 Genesis 4983 6762 2632 007 Coloured Riftia at the base of the trench<br />
19:14:00 Genesis 4966 6675 2630 Just outsi<strong>de</strong> the Riftia<br />
19:18:00 Genesis 6381 6303 2630 3cm insi<strong>de</strong> the Riftia<br />
19:20:00 Genesis 5923 5661 2631 The probe for this sample was pushed into the Riftia but may have<br />
protru<strong>de</strong>d out of the colony<br />
19:23:00 Genesis 4998 6673 2631 Fin <strong>de</strong> manip multi-préleveur,15 cm into the Riftia<br />
20:01:00 Genesis 4995 6544 2627 L ascenseur returned to the surface<br />
20:08:00 Genesis 4972 6506 2629 008 Alvinella sampling from the top of the Riftia column<br />
20:26:00 Genesis 4983 6527 2631 009 Collection of the small orange amphipods using the Slurp gun (1).<br />
Sample taken from above the chimney plume.<br />
20:32:00 Genesis 4989 6619 2631 010 Numerous limpets on Riftia tubes at the top of the genesis chimney<br />
20:38:00 Genesis 6498 7539 2632 012 Blue coloured Riftia<br />
20:39:04 Genesis 4979 6777 2631 013 Numerous <strong>de</strong>ad/dying Riftia at the bottom of the chimney<br />
20:39:50 Genesis 4978 6808 2631 014 Tremendous Serpulid growth on the basalt on the periphery of the<br />
Riftia colony<br />
20:50:07 Genesis 5014 6822 2631 015 Sampling of the blue Riftia at the top of the trench<br />
21:15:00 Genesis 4985 6546 2632 Blue Riftia site sampled for small animals with a slurp gun<br />
21:21:00 Genesis 4998 6816 2623 Collection of orange shrimp (Alvinocaris) using the slurp gun<br />
21:31:00 Genesis 4992 6560 2623 Return to the surface<br />
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