Koraalrif in cijfers

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Coral reefs in numbers, sources

Left column

Mark D. Spalding, Corinna Ravilious, Edmund P. Green: World Atlas of Coral Reefs, University of California Press, 2001. Geoviden 1/2010, p. 12 Aktuel Naturvidenskab, 2/09

http://www.reefdoctor.org/downloads/science/background_papers/coralreefsreview.pdf

www.coral.org/resources/about_coral_reefs/coral_overview

Central illustration

33 coral atolls
https://www.cia.gov/library/publications/the-world-factbook/geos/kr.html

60 centimetres
Mark D. Spalding, Corinna Ravilious, Edmund P. Green: World Atlas of Coral Reefs, University of California Press, 2001

2000 diving centres
Mark D. Spalding, Corinna Ravilious, Edmund P. Green: World Atlas of Coral Reefs, University of California Press, 2001

231 out of 700
Science, July 10, 2008
http://www.theaustralian.com.au/news/health-science/third-of-worlds-reefs-face-extinction/story-e6frg8gf-1111116885635

3-4 times faster
Michael Arvedlund & Tyge Dahl Hermansen: Det tropiske koralrevs biologi, Reef Consultants Publishing 2007, p. 109
http://biorockbali.webs.com/whoweare.htm

500.000, 900.000, 2 million
Mark D. Spalding, Corinna Ravilious, Edmund P. Green: World Atlas of Coral Reefs, University of California Press, 2001 http://www.reefdoctor.org/downloads/science/background_papers/coralreefsreview.pdf

Over 50 materials
Source: Michael Arvedlund & Tyge Dahl Hermansen: Det tropiske koralrevs biologi, Reef Consultants Publishing, 2007, p. 44

15 tonnes
http://www.reefdoctor.org/downloads/science/background_papers/coralreefsreview.pdf

20 centimetres growth
Michael Arvedlund & Tyge Dahl Hermansen: Det tropiske koralrevs biologi, Reef Consultants Publishing, 2007, p. 5

www.coral.org/resources/about_coral_reefs/coral_overview

1200 species
The Sea, Dorling Kindersley Limited, 2006, p. 160

30.000 photos
Mark D. Spalding, Corinna Ravilious, Edmund P. Green: World Atlas of Coral Reefs, University of California Press, 2001

85
http://www.nationsencyclopedia.com/economies/Asia-and-the-Pacific/Maldives.html
https://www.cia.gov/library/publications/the-world-factbook/geos/mv.html

Hermafrodites
Michael Arvedlund & Tyge Dahl Hermansen: Det tropiske koralrevs biologi, Reef Consultants Publishing, 2007, p. 71

227 kilos
http://animals.nationalgeographic.com/animals/invertebrates/giant-clam.html
www.uaex.edu/pperschbacher/Fish/Gigant-clam.htm

90 kilos
http://hubpages.com/hub/Parrot-Fish

1500 hours
Michael Arvedlund & Tyge Dahl Hermansen: Det tropiske koralrevs biologi, Reef Consultants Publishing, 2007, p. 177 http://www.nhm.ku.edu/inverts/pdf/Fautin_anemonefishsymbiosis_1991.pdf

1 billion
www.coral.org/resources/about_coral_reefs

1000 species
Annemarie and Danja Köhler: The Underwater Explorer, p. 89

Over 200 arms
Annemarie and Danja Köhler: The Underwater Explorer, p. 86

Bottom list
Mark D. Spalding, Corinna Ravilious, Edmund P. Green: World Atlas of Coral Reefs, University of California Press, 2001 Aktuel Naturvidenskab, 2/09

http://www1.bio.ku.dk/forskning/marinbiologi/formidling/an1koralrev.pdf/

http://www.climateminds.dk/index.php?id=81

http://www.pages-igbp.org/science/paloa/talks/Catalina_Carles_SN.pdf

Right column (Great Barrier Reef)

http://www.gbrmpa.gov.au/__data/assets/pdf_file/0015/2139/Fact_Sheet_01_Int_Facts.pdf

http://www.wwf.org.au/ourwork/oceans/gbr/

Source: The Sea, Dorling Kindersley Limited 2006, p. 161

www.the-great-barrier-reef-experience.com/great-barrier-reef-facts.html

8 millimeters
http://www.livescience.com/animals/041027_Smallest_Fish.html

http://www.daviddarling.info/encyclopedia/S/Schindleria_brevipinguis.html