Posts under category: bleaching


Recurring bleaching in Mayotte

Major coral bleaching has been reported in Mayotte four times – in 1983, 1998, 2010 and 2016. During the 2010 event a survey carried out by the Tara Expeditions documented the bleaching in detail, estimating the full impact of the bleaching event.


A risk manager’s approach to coral reefs

Will a financial portfolio approach help to minimize losses to the world’s coral reefs, and those that depend on, them due to climate change? This is the objective of the research and conservation teams in the 50 reefs project and supported by Bloomberg Philanthropies, the Paul G. Allen Foundation and The […]


2017 status report on Western Indian Ocean coral reefs

Step declines in coral reef health resulted from major coral bleaching in 1998 (25% loss) and 2016 (10% loss). This is the main finding from the latest GCRMN regional report on the state of coral reefs of the Western Indian Ocean (WIO) which was officially presented on 7 December 2017 […]


Refilling the coral reef glass

David Obura’s editorial in the 22 Sept 2017 issue of Science magazine ‘is the coral reef glass half full, or half empty?’ emphasizes what we need to do to save and then rebuild coral reefs, rather than give up on them. Go to the Science issue page here, to read […]


The devastation of coral bleaching

This was the part of the workshop that I was most looking forward to, as the idea of diving in the Seychelles was very exciting. I had envisaged this underwater paradise with biodiversity and colour a-plenty. Unfortunately, the reality was quite different.


Bleaching response WIO 2016

Over 70 organizations and individuals responded to the coral bleaching event in 2016 in the Western Indian Ocean, reporting 680 observations of through an online reporting form. Dr. David Obura and Mishal Gudka of CORDIO East Africa (CORDIO EA), supported through the Biodiversity Project of the Indian Ocean Commission, present […]


Mayotte bleaching 2016

Mayotte’s 4th major bleaching event in 4 decades … and the reefs are showing a mirror to the social turmoil and changes that the island is going through.  The expedition was planned for just after the peak of thermal stress in the region, which occurred during March/April 2016.