understoreyg (Box 1). In a
comparison of three edge
types (equivalent to those in
Box l), edges with the least
lateral protection exhibited
the greatest edge effects in
several environmental vari-
ablesg.
Higher at edge No difference Lower at edge
Abiotic
Air moisture
Air Vapor Pressure Deficit
Air temperature
Light (PAR)c
Soil moisture
Chemical substances
(50b)g
Abiotic edge effects can
also result