Columbia subject headings:
Mangrove ecology--Nigeria--Niger River Delta--Congresses.
Harvard subject headings:
Ecology--Tropics
Mangrove ecology--Niger River Region--Bibliography.
Mangrove ecology--Niger River Region.
Mangrove ecology--Nigeria--Niger River Delta--Congresses.
Mangrove plants--Niger River Region.
Mangrove plants--Nigeria--Nigeria River Region--Bibliography.
Mangrove swamps--Niger River Region.
Plant ecology--Nigeria.
Princeton subject headings:
Mangrove ecology--Niger River Estuary--Congresses.