New Jersey Scuba Diving

Miscellaneous Crustaceans

Cladocerans
Various Cladocerans ( not quite microscopic )
Daphnia

Look very closely, and you may see swarms of Daphnia ( right ) swimming jerkily through the water as they feed on microscopic algae. These tiny "water fleas", are an important link in the food chain, converting plant plankton into animal.

Daphnia

Tadpole shrimps ( left ) grow much larger than daphnia, up to 1 inch. They are capable of swimming but are usually found crawling on the bottom, on plants, or burrowing. Their eggs are highly resistant to drying, which makes Tadpole shrimps well-adapted to life in temporary pools.

Tadpole shrimps

Freshwater shrimps are similar to their saltwater cousins and are usually small ( 1-2" ) and transparent.

Decompression Theory

An Explanation of Professor A.A. Buhlmann's ZH-L16 Algorithm

by Paul Chapman

Note to new divers and potential new divers:

This information is presented for general interest. Don't be scared off by what you see here - you don't need to learn any of this to become a safe and competent scuba diver. You will however need to understand dive planning.

The following is a summary of the decompression algorithm described by Dr A.A. Buhlmann in the fourth edition of his book Tauchmedizin ( diving medicine ) published in 1995 ( only in German. ) the book contains a considerable amount of other information and is published by Springer-Verlag ISBN 3-540-58970-8. Rumor has it that at the time of writing ( November 1999 ) an English translation is being prepared for publishing, so hopefully, in due course, this document will become redundant.

The algorithm is simply a "recipe" for modeling the behavior of inert gases, which diffuse in and out of our body tissues when breathed under varying pressures. The intention is that if the recipe models the actual processes in our bodies accurately enough, it can be used to plan dives ( and other pressure exposures ) with a view to avoiding decompression sickness.

More: Decompression Theory ...

Disclaimer:

I make no claim as to the accuracy, validity, or appropriateness of any information found in this website. I will not be responsible for the consequences of any action that is based upon information found here. Scuba diving is an adventure sport, and as always, you alone are responsible for your own safety and well being.

Copyright © 1996-2025 Rich Galiano
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