http://oceanservice.noaa.gov/facts/coral_bleach.html
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Coral Bleaching Triggers
Coral bleaching is theorized to be a generalized stress response of corals that may be caused by a number of biotic and abiotic factors, including:
- increased (most commonly due to global warming), or reduced water temperatures[6][7][8][9]
- oxygen starvation caused by an increase in zooplankton levels as a result of overfishing[10]
- increased solar irradiance (photosynthetically active radiation and ultraviolet light)[11]
- changes in water chemistry (in particular acidification caused by CO2 pollution)[12][13]
- increased sedimentation (due to silt runoff)[14]
- low tide and exposure[18]
- elevated sea levels due to global warming (Watson)
- mineral dust from African dust storms caused by drought[20]
- four common sunscreen ingredients, that are nonbiodegradable, and can wash off of skin[21][22][23][24][25]
Source: https://en.wikipedia.org/wiki/Coral_bleaching#Causes
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| Ramesh Kumar/Flickr: (https://s.w-x.co/coralbleaching.jpg) |
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http://api.ning.com/files/IZVpEDlfz9O3tihwpzP68zF3gif3JYT4jH0Y7hn9s2FWCJV-t8uGTcW4KJZabP5TGtnvB3XsVhTravAFrVg8LLJ05*IcqPm*/IMG_4387.JPG
Further Examples of Coral Bleaching
Thoughts/Ideas moving forward
This research has been a key moment for me in terms of where all this research is going and what I now want to produce in terms of experimentation, development application and final resolutions for my OUIL505 project.
I want to create a body of work which focuses on the exploration of the beauty of these reefs when the coral organisms are in a healthy state and provide a strong and safe habitat for other living oceanic creatures such as fish and shellfish, as well as really highlight this as a key environmental issue. Coral bleaching is unnecessary and preventable, yet causes a huge percentage of healthy coral to wither away and die due to nutrients starvation.
To help focus my subject, I think narrowing down my research and concentrating on this one cause and effect whilst still also looking at coral and reefs as a whole, will help my project to be concise and hopefully much more impacting (as apposed to trying to convey too much information, potentially bombarding my audience - which is easy to do as these issues mean a lot to me and my practise.)
Key project themes/ideas:
• Concept: "Coralise" / "Coralize"
• Patterns in nature
• Ethos: Coral Reef Conservation
• Environmental issue focus:
- Coral Bleaching
- Blast fishing
• Area of context: Object & Environment
• linking to product & packaging, educational illustration


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