Table 1. Description of study sites in each area surveyed.

Area	Site No.	Site name	Site Description	Latitude	Longitude	Temp. (°C)	Humidity (%)	TDS (ppm)	No. of Species
Kosi	1	Kosi	10 ha rain-filled grassy pan in grassland.	26.952050	32.802417	35.3	41	56	12
Kosi	2	Kosi	Forested stream.	26.957267	32.829883			104	14
Kosi	3	Kosi campsite & jetty	Edge of lake.	26.960200	32.826967			650	7
Kosi	4	Kosi	Swamp forest stream.	26.955033	32.828833	31.2	40	101	4
Kosi	5	Inlet to 4th Lake	Narrow inlet, Nymphaea.	27.040300	32.818917			97	20
Sibaya	6	Sibaya	Eastern shore	27.395650	32.711633	30.5	58	95	7
Ozabeni	7	Samango Crossing	Flowing stream in forest	27.617467	32.549183				12
Ozabeni	8	Neshe Pan	Open water, Nymphaea.	27.654700	32.402650	28.1	58	221	14
Mkhuze	9	Nhlonhlela Bush Camp	Floodplain below a nearly dry reedbed	27.597450	32.198167			97	3
Mkhuze	10	Rhino wallow	Small 50×10 m, shallow, seasonally rain-filled wallow with emergent grass. Disturbed by game.	27.607817	32.167400			210	4
Mkhuze	11	Rhino wallow	Small 50×10 m, shallow, seasonally rain-filled wallow with emergent grass. Disturbed by game.	27.621733	32.185733			120	2
Mkhuze	12	Mbonene Pan	Small, rain-filled, grass edge.	27.632817	32.262767	30	54	53	7
Mkhuze	13	Ophansi bridge	Mkuze river bridge, fast-flowing, mud-laden River 20 m wide, fringed by degraded fig forest.	27.598750	32.302083	24/25.9*	75*	297/255*	5/10*
Mkhuze	14	Nsumo Pan	Bridge at first inlet 3 m wide open water channel fringed by flooded grass.	27.656600	32.301417	21/32*	49*	405/175*	3/12*
Mkhuze	15	Nsumo Pan	West hide open water, with reeds along edge	27.665117	32.302150	33.5	51	139	7/2*
Mkhuze	16	Nsumo Pan Picnic site	Open water, with reeds along edge.	27.668750	32.305400			324	5/5*
Mkhuze	17	Fig Forest	First bridge 10 m wide open water channel fringed by flooded grass and thick bush.	27.668783	32.316717				21/13*
Mkhuze	18	Fig Forest	Second bridge strongly flowing, mud-laden river fringed by tall fig forest and shrubby understory.	27.669517	32.322850			340/231*	8/9*
Mkhuze	19	near Nxwala Camp	Shaded, stagnant residual pond on seasonal drainage line in dense bush.	27.703150	32.284333	32.1/24*	48	96/144*	11/5*
Mkhuze	20	Nsumo Nxwala side	Lily-covered channel backfill from Nsumu Pan. Nymphaea covered water below fever trees.	27.692050	32.291050			155	12/7*
Mkhuze	21	Nsumo Nxwala side	Nsumo western inlet, flooded grass below fever trees	27.686550	32.292433			363	8
Mkhuze	22	Nsumo Nxwala side	Nsumo western inlet, flooded grass below fever trees	27.689783	32.293600	23			7/12*
Mkhuze	23	Ediza	Inlet, dense flooded grass	27.606617	32.288250	31.8	44		4
Mkhuze	24	Rhino wallow	Small 50×10 m, shallow, seasonally rain-filled wallow with emergent grass. Disturbed by game.	27.692517	32.278633			91	7
Mkhuze	25	Mkhuze	Rain-filled quarry, open water with flooded grass edges.	27.685833	32.238167	27			4
Mkhuze	26	Noshoshela dam	Dam of 2 ha, open water fringed by fever trees.	27.756983	32.297300	32.3	43	98/140*	10/22*
Mkhuze	27	uMkhumbe dam	Dam of 1 ha, open water fringed by extensive flooded grass with narrow channel of flowing water below the dam.	27.775117	32.297800	28		169/98*	18/13*
E Shores	28	E Shores	Grassy pan.	28.118083	32.506783	29.7	57	225	11
E Shores	29	E Shores	Small pan.	28.118417	32.515467	28.2	58		3
E Shores	30	E Shores	Forested causeway and Mfabeni Swamp.	28.131117	32.527167	34.8	47	345	8
E Shores	31	E Shores	Forested causeway and Mfabeni Swamp.	28.137000	32.534683	32.8	61	280	10
E Shores	32	E Shores	Lake Bangazi road.	28.141367	32.541100	24	68		6
E Shores	33	E Shores	Barbet Pan.	28.194633	32.489200	28	60	225	8
E Shores	34	Cape Vidal house	Garden and road.	28.146333	32.547933	32	55		3
E Shores	35	E Shores	Forested stream and old excavations.	28.205900	32.490700				12
E Shores	36	Catalina jetty	Freshwater edge on Lake St Lucia.	28.220650	32.487283	32.3	58	174	8
E Shores	37	E Shores	Freshwater seep on Lake St Lucia edge.	28.238867	32.486950			Seep 63, Lake 974	20
E Shores	38	E Shores	Forested causeway and Mfabeni Swamp.	28.137550	32.538567				7
E Shores	39	E Shores	Dense flooded sedge beds.	28.296617	32.434383				10
E Shores	40	E Shores	Freshwater seep on swamp-forest edge.	28.297150	32.440900	27	59	85	13
E Shores	41	E Shores	Two rhino, open grassy pans.	28.316500	32.433717	26.9	67	85	13
E Shores	42	E Shores	Papyrus choked pond.	28.318550	32.427050	31.8	64	129	3
E Shores	43	E Shores	Two grassy pans divided by causeway.	28.318583	32.430400	32.5	61	88	10
E Shores	44	E Shores	Warthog grassy pan.	28.268267	32.466783	33.9	53	110	3
W Shores	45	W Shores	St Lucia estuary bridge, reedbed.	28.369783	32.409667	31	63		7
W Shores	46	Ndonyena	Small lily pond.	28.352850	32.385350	31.6	57	101	3
W Shores	47	Mpati Weir	Flowing stream under forest canopy	28.331200	32.361367	32.4	54	97	5
W Shores	48	Mpati River	Stream low, not flowing, choked with Phragmites	28.298467	32.383600	34.4	51	536	10
W Shores	49	W Shores	Hippo pan, open grassy.	28.255017	32.393750	34.1	50	108	8
W Shores	50	Makakatana Bay	Saline open water, bare edges.	28.248900	32.419617	33.5	46	940	4

Site numbers refer to site positions marked on Fig 1. ‘*’ indicates a second reading or count for the same site.