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© IRD / Vincent Simonneaux Remplissage de bidons d'eau à la source (Assif al Mal. Haut Atlas occidental - Maroc)

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End of the expedition

Marine and halieutic biodiversity -

08 April 2013

Two short sailing days to Tahiti allowed us to clear everything and to sum up the expedition results : 1850 miles , 250 dives, 74 sites investigated and described on 7 islands or group of islands, 250 taxa of macro-invertebrates and algae, over 1000 samples of mollusks for barcoding… the ...

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Inventory of Maria islands terrestrial fauna and flora, Jean-Yves Meyer

Marine and halieutic biodiversity -

07 April 2013

Two days were spent exploring the four islets of the Maria atoll and inventorying native and introduced plants. Marine and migrating birds were also observed, as well as the terrestrial fauna of the atoll. Results : 26 native plants were found during this survey, which is the first and only one ...

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Maria, a lost atoll

Marine and halieutic biodiversity -

06 April 2013

Jean-Yves Meyer, researcher in terrestrial ecology, joined us in Rimatara, and we left to Maria an atoll and the last step of our trip. It is the opportunity for Jean-Yves to explore this atoll which has been abandoned after a copra farming trial, and to check the terrestrial flora and fauna ...

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The small world day…

Marine and halieutic biodiversity -

03 April 2013

After Rurutu which let us a so-so feeling shared between magnificent terrestrial landscapes and a dull underwater reefs, destroyed by some dramatic natural event (Taramea ? Hurricane ? Global warming? Swell?) , we reached the last inhabited island of the Australes archipelago, the tiny island of ...

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Some interesting fishes

Marine and halieutic biodiversity -

01 April 2013

This field trip to Australes Islands gave us the opportunity to meet some rare fishes, since most Australes islands are deprived of diving facilities and have been barely studied until now. We could observe some endemic species or fishes with a restricted distribution area, as for example ...

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No lagoon anymore : conditions are getting more tough!

Marine and halieutic biodiversity -

29 March 2013

We are cruising up the Australes chain of islands and reached Rurutu : this high island (as Makatea) is surrounded by a fringing reef presenting few (dangerous) passes for small boats. The bottom follows a mild slope, but this island presents different capes and bays to be explored with ...

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Tubuaï

Marine and halieutic biodiversity -

27 March 2013

We spent 4 days in the sea surrounding Tubuai and explored 17 underwater stations chosen according to their location on the outer slope or inside the lagoon. The outer slopes are covered with live coral and include a beautiful coral diversity (15-20 different species) and many green (Codium sp, ...

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Mollusc story

Marine and halieutic biodiversity -

23 March 2013

Gastropodan molluscs, widely known as snails and slugs, are among the most wonderful and diverse inhabitants of the World Ocean. Over centuries humans have been attracted by marine shells with elaborate sculptures and intricate colour patterns, they were admired by naturalists and craved for by ...

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Raivavae

Marine and halieutic biodiversity -

21 March 2013

Raivavae is a high island surrounded by a coral reef and “motus” islands (islets). Water flows into the lagoon through a narrow channel to the South of the lagoon and through some breaches in the barrier reef, and flows out through a large pass to the North, at a relatively low rate currently, ...

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Overview of the Rapa prospection results

Marine and halieutic biodiversity -

18 March 2013

We spent two days exploring the seabed of the southern, western and northern coasts of Rapa. Following on from a request by the Tavana (mayor), the research project related to the campaign, as well as an overview of our Rapa prospection results, were presented to fifty very attentive people on ...

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