How it interacts with all biotic and abiotic factors. CELL A rechargeable alkaline battery for use with an electric cap lamp. Lighting term . The distance of a point north of the point of origin of the grid of a map. The south-north component of a survey leg, or of a series of 2 or more legs.
North is positive, south is negative.
Referring to water moving slowly in cavities in the phreatic zone. Speleology term . Some insect young or juveniles are called nymphs. Send email to Glenn Baddeley if you have any other problems with this page. First Draft for Comment - 3rd March 1998.