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The extent to which alternate states are stable or reversible is presently not well understood. Such a process during which an otherwise stable ecosystem changes into another stable state is called a phase shift.
Read morePiers Van Der Walt and his wife Annette, co-captains for this Turks & Caicos Aggressor II voyage, guaranteed something special would happen this day. They certainly delivered.
Read more● There is no film to buy.
● No film to process.
● No storage issues with slides or scratching of the image through constant use.
● No copies of slides to be made or the same problems as above.
"The most inspiring aspect of the underwater world is its dynamic nature. Everything is constantly in motion and changing. To capture this on film is such a brilliant challenge."
-- Caelum Mero
Getting to know your subject is perhaps easier than you think, however, we really do not have a whole lot of spare time underwater collecting knowledge on our subject matter.
Read moreInitially, planktonic life forms looking for a permanent home attach themselves to every available inch of real estate. Larger invertebrates like snails and small crabs soon follow and begin grazing on the newly seeded decks.
Read morePS: When did your interest in photography start?
Read moreTraining agencies differ in the degree of self sufficiency training at recreational levels.
Read moreIn the world of diving, we have necessary gear, and we have fun accessories. The accessories of diving are used to enhance your diving experience, as fashion accessories are used to enhance your clothing selections.
There is a difference in designer handbags, as all women know. You’ve got the limited edition Prada bag versus the Coach purse at the local fine department store. One purse will cost thousands, whereas the other handbag, mere hundreds.
Read moreThe absorbtion of CO2 may have slowed global warming, but there has been a resulting change in seawater chemistry. To understand why the effect of increasing atmospheric CO2, which leads to increased absorbtion of CO2 in sea water, is important, it is necessary to understand some of the chemistry of carbonic acid and its salts. However, before we can discuss the effect of this acidity, we must have a useful description of what we mean by acidity and acid strength. The most common and useful unit to describe the magnitude of acidity is the pH value.
Read moreCozumel combines the great reefs that one might find at the best dive spots around the warm Mexican Gulf waters with the laid back island life, where everything is close enough with a short taxi ride or a pleasurable bicycle tour.
Read moreAt 60 feet (18m), there is a noticeable thermocline as we descend into cooler water.
Read moreThe name for these women divers, in Korean, is haenyeo. It literally means ‘women of the sea’.
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