Portal:Environment/Selected picture/2
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/44/Seawifs_global_biosphere.jpg/700px-Seawifs_global_biosphere.jpg)
A false-color composite of global oceanic and terrestrial photoautotroph abundance, from September 1997 to August 2000. The picture shows the activity of photosynthesizing organisms in the biosphere. Many of these are used for ecosystem services which are natural processes relied upon by humans.