First Commit

2 Personal/Hobbies/Divemaster/Coral Watch.md

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+Turtle watch
+
+1% of seafloor but 33% of marine species
+Protects coast: coral reefs prevent coastal erosion
+Also mangroves!
+Food source
+Medicinal purposes 
+
+Age: 500 million years
+- great immune system
+- Replace polyps really fast —> cancer treatment?
+
+
+# what is bleeching
+Energy source:
+- zooxanthellae (mutualistic relationship)
+	- Small algea living inside transparent polyps: symbiosis
+	- 70-90% of energy is from zooxanthellae
+- Predation: they eat worms! They have nesselzellen
+
+Bleeching is a response to stress:
+- Algaes leave (or are kicked out) because of stress
+Corals can recover from bleeching
+
+Corals can get pale (slightly bleeched)
+
+
+## Threats
+
+Utila has no water treatment: water all goes into the ocean! Use eco friendly products for corals
+
+Responsible seafood guide
+
+Recycle Aluminum
+Recycle plastic bottles at marina
+Greens (tracy collects compost )
+Bica
+
+# Fish
+Parrotfish everywhere is great they act like the gardeners of the reef. 
+
+
+# Coral Watch
+- 20 colonies in one line (same depth) with a buddy
+- Use divelight
+- Shape: branching, boulder or plates
+	- ![[image 6.jpg]]
+- avoid corals with white tips: they are growing, not sign if sickness
+	- ![[image 7.jpg]]
+- No blue or purple corals
+- No firecorals
+Soft corals vs Hard corals
+- if coral moves with current its a soft coral
+- Octocorallia (8 tentacles) are soft coral
+- He
+
+Write down:
+- shape
+- Lightest area
+- Darkest area
+- Dive site
+- Weather
+- Depth
+- Temperature 
+- Date & time
+
+
+# Survey Entry
+
+Www.coralwatch.org
+![[image 8.jpg]]