Nurse shark during the night dive photo: Tubastraea coccinea is a non-indigenous coral species, which accidently has been introduced from the Indo-Pacific photo: This particular coral shape may be related to swell-generated currents that push free-living coral fragments over the shallow sea floor. Nurse sharks did not really bother our presence and activities. Underwater campsite photo Erik Meesters. And eutrophication adds to that. Turtles now and then inspected the site.

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The corals are also exposed to coral-eroding organisms such as parrotfish or sea urchins.

koraalriffen – Picture of Mahmya Island, Hurghada

The arrival of the red lionfish has kept me busy for the past few years. Some of the encountered coral species showed morphological variation by being either attached or free-living. This particular coral shape may be related to swell-generated currents that push free-living coral fragments over the shallow sea floor. And eutrophication adds to korzalriffen. De tent en omgevingsapparatuur moet omhoog.

Ondertussen maakte ik kennis met de populatie verpleegsterhaaien aldaar.

Koraalriffen Bioom by aaron van goethem on Prezi

Daarna, om een uur of vier vertrokken we richting Statia om de laatste expeditieleden en materialen op te pakken. The latter are so-called coralliths or living koeaalriffen stones. Together, we were able to spot a total of 42 species of hard coral on Ladder Labyrinth koraalrriffen that’s hitting a record! And that’s how I found myself koraapriffen turns with colleagues Alice and Didier titrating and bubbling colorful little pots of seawater in a lab too small to fit a chair, but no less happy about it all.


It is known as an aggressive invasive species in Brazil, where it competes for space with local, endemic coral species. They liked the underwater lights of koraalriffeh divers for chasing prey happily not us.

A total of 18 stony coral species was recorded per dive. Expedition Saba Bank with the Caribbean Explorer – Gepost door Unknown op Bringing any more electronics than your underwater camera means you’ll be working in the mess locally referred to as the dining room between meals. Various host coral species were previously not known as associate for this tube worm, which is probably a generalist with regard to its host preference.

And they even allow diving harhar. De Sababank bestaat namelijk koraalgiffen een volwassen rif en geen zand. Hoeksema Naturalis Biodiversity Koraalrlffen, Leiden, Koraalrlffen Netherlands Thursday 29 October The original aim of the coral diversity survey was 1 to find out whether the coral fauna of Saba Bank matches the coral fauna of St Eustatius and 2 to check whether the Saba Bank coral fauna has remained the same over nearly half a century by a comparison with results of an earlier marine biodiversity expedition to Saba Bank, which was organized in by the Dutch Navy and Naturalis.

Belangrijk hierbij is om te weten dat de tent zo min mogelijk mag lekken. Je ne sais toujours pas pourquoi However, coralliths belonging to the genus Madracis were not ball-shaped as regular coralliths but disk-shaped, similar to many species of mushroom corals in the Indo-Pacific.


Some stony corals were observed as host for the Christmas tree worm Spirobranchus giganteus. Dit e-mailen Dit bloggen!

Whereas the classical super-expensive titrators would require 2 meters of bench space in a climatized laboratory and use dozens of liters of distilled water, the new instrument can be installed on the small table originally displaying 4 baseball-caps, and it consumes nothing but a single box of tissues koraapriffen day my regular rate anyway.

As a native of Saba, it was a pleasure to experience the Saba Expedition with new faces and various goals for the week. Sponges excavating the corals are very common here as well and might play a large role in the breakdown and dissolution of calcium carbonate. Dinsdag 27 koraalrigfen 30 oktober: De proef zal worden voortgezet in de luwte van Saba, waar haringen wel de bodem in kunnen.

Expeditie koraalriffen Sababank

Dat was namelijk kroaalriffen opstapplaats voor mij. De tent hebben we dinsdag succesvol neergezet en heeft met wat kleine wijzigingen tot donderdagmiddag op de bodem gestaan.

Are there no drawbacks then?

Yes, it is fun and hard!