<< Previous Next >>

How they get water


How they get water
Photo Information
Copyright: petru damsa (petrudamsa) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 562 W: 77 N: 725] (2544)
Genre: Plants
Medium: Color
Date Taken: 2001-03
Categories: Desert, Cacti
Camera: Minolta HT-SI, Minolta AF 35-70, Cokin 58mm close-up +3
Photo Version: Original Version
Date Submitted: 2005-12-06 2:36
Viewed: 3749
Points: 13
[Note Guidelines] Photographer's Note
One of the most important thing for everybody living in the desert is geting water. Different species adapted in different ways in the battle of geting water.
Cacti, the most representative family of the Arizona desert have more than one adaptation. First would be the reduction of loosing water by transforming the leafs in needles; then adapting the roots and stems to retain water for a long time they become bulky, barrel like shaped.
What you see in this photo is a third way to obtain water. The thik needles net of this Mammillaria species trap the dew formed on the cooler early morning hours, which is then directed to the stem's surface to be absorbed.
red45, Mousehill, thistle, Janice, cedryk, Dave has marked this note useful
Only registered TrekNature members may rate photo notes.
Add Critique [Critiquing Guidelines] 
Only registered TrekNature members may write critiques.
Discussions
None
You must be logged in to start a discussion.

Critiques [Translate]

Nice water droplets on those needles and a very good note to go with it. The image seems to have lost some quality due to resizing, especially in the out of focus areas. Thanks for sharing.

Very interesting post and nice photo. Maybe it's not very clear, but the most interesting details are visible.
I like it
WELL DONE & TFS

  • Great 
  • Janice Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 3277 W: 148 N: 6163] (18832)
  • [2005-12-06 4:46]

Very interesting Petru. I never knew all that about Cacti, so thank you.
Good shot showing the dew on the needles, nice and sharp too - needles and photo! Well done, thank you.

  • Great 
  • red45 Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2636 W: 74 N: 9091] (31094)
  • [2005-12-06 4:51]

Hi Petru!
Very interesting note and picture. I like to learn something new everyday on TN. Great looking droplets of water on needles.

Hi Petru!
Great shot with very arty effect.
I'm impresssed!

Hello Petru,
That's a very interesting shot but demands some work in my opinion. I would definitely cropp this image to the centre (the best exposed and contrasted area) and get rid of everything else.
Godd informative note :-)
Best greetings,
Michal

  • Great 
  • Dave Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 503 W: 43 N: 657] (2178)
  • [2005-12-06 6:25]

Quite an educational note and interesting picture Petru!
Before this note, I knew one thing about cactus needles; the needles and my mountain bike tires don't get along too well...;-( But, what is a flat mountain bike tire, except time to sit back, relax, leisurely fix the flat and continue to enjoy nature :0...;-)
I share Michal's opinion on how this one could be improved, but still it is nice and very appropriate.
Thanks,
Dave

Calibration Check
















0123456789ABCDEF