Ck's Blog in Chinese

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Sunday, September 26, 2010

It’s Autumn now!

 

Picture tells the story:

Presentation1

Briefly, leave colour change is caused by the decrease of photosynthesis rate due to the short day time in Autumn. As a result, green pigment (chlorophyll) slowly degraded, and then anthocyanin, carotenoids compounds take place to give leaves reddish, yellowish colour.

2 comments:

Reanaclaire said...

Autumn looks brighter than summer? i love autumn... cooling..

cklim said...

hi reanaclaire, no, simply because I captured the autumn pic in sunny day :p

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