G :


- (. .2 -. ).

G- [ Neer,Clapham,1988 ]. G- , , , Gsx . G-.

G- .

G , . G- , , , Na/K- .

[ Northup ea,1983 ; Neer ea,1987 ; Katada ea,1984b ; Katada ea,1986 ], , G- . - , , G-, .. - . - Gi .

. RGS

:

  • G