Land Systems of the Otway Range and adjacent plains - legend

Back to: A Study of land in the catchments of the Otway Range and adjacent plains

Plateaux on crests of ranges | Steep slopes of ranges | Hills with moderate slopes | Granite hills on consolidated sediments | Hills and plains on sandy Tertiary sediments | Hills and plains on Tertiary sediments predominantly medium to fine textured | Alluvial and estuarine plains | Volcanic plains | Dunes and sand plains on Quaternary sediments

Map symbol	Land System	Area (km²)	Rainfall (mm)	Geology	Landscape	Native Vegetation	Soil	Forms of soil deterioration
Plateaux on crests of ranges
BF	Beech Forest	141	1550-1950	Lower Cretaceous sandstone, mudstone	Rolling hills	Tall open forest - E. regnans, E. obliqua, Acacia melanoxylon	Brown gradational Soils	Nutrient decline, surface compaction, sheet and landslip erosion.
MS	Mount Sabine	95	1200-1700	Lower Cretaceous sandstone, mudstone	Rolling hills	Tall open forest - E. obliqua, E. cypellocarpa, E. regnans, Acacia melanoxylon	Brown gradational soils	Nutrient decline, sheet and landslip erosion
Steep slopes of ranges
Ae	Aire	762	1100-1750	Lower Cretaceous sandstone, mudstone	Deeply dissected hills	Tall open forest - E. regnans, E. cypellocarpa, E. obliqua	Brown gradational soils	Sheet, rill and landslip erosion, nutrient decline, surface compaction
Ft	Forrest	135	900-1100	Lower Cretaceous sandstone, mudstone	Deeply dissected hills	Open forest - E. obliqua, E. rdaita, E. cyupellocarpa. Tall open forest - E. cypellocarpa, E. obliqua	Brown duplex soils; brown gradational soils	Sheet and landslip erosion
Le	Lorne	220	85-1200	Lower Cretaceous sandstone, mudstone	Deeply dissected hills	Tall open forest - E. cypellocarpa, E. globulus, E. obliqua Open forest - E. obiqua, E. sideroxylon, E. radiata	Brown gradational soils; brown duplex soils	Sheet and landslip erosion
RC	Redwater Creek	57	1150-1600	Lower Cretaceious sandstone, mudstone, Pleistocene sediments	Deeply dissected hills	Tall open forest - E. obliqua, E. cypellocarpa, E. regnans Open forest - E. regnans, E. obliqua, E. baxteri	Black sand soils, uniform texture; white sand soils, uniform texture; brown gradational soils	Nutrient decline, sheet, rill and landslip erosion
YC	Yahoo Creek	32	850-1000	Lower Cretaceious sandstone, mudstone	Dissected hills	Open forest - E. obliqua, E. ovata. E. aromaphloia	Yellow-brown gradational soils; stony brown gradational soils	Sheet, rill, gully and landslip erosion
Hills with moderate slopes
BL	Bunker Hill	41	900-1050	Pleistocene sediments, Lower Cretaceious sandstone, mudstone	Dissected hills	Open forest - E. obliqua, E. ovata, E. viminalis, E. baxteri Woodland - E. nitida, E. radiata, E. baxteri	Brown gradational soils; grey sand soils, uniform texture; yellow gradational soils, weak structure	Sheet, rill, bully and landslip erosion, nutrient decline
MC	Moggs Creek	36	800-1050	Paleocene sediments, Lower Cretaceous sandstone, mudstone	Dissected hills	Open forest - E. obliqua, E. cypellocarpa, E. sideroxylon Woodland - E. radiata, E. obliqua, E. baxteri	Red-yellow duplex soils; yellow gradationjal soils, weak structure	Sheet, gully and landslip erosion, surface compaction
MM	Mount Mackenzie	69	95-1100	Paleocene sediments	Dissected hills	Open forest - E. baxteri, R. nitida, E. obliqua Low woodland - E. baxteri, E. nitida	Yellow gradational soils, weak structure; red gradational soils, weak structure	Sheet, rill, gully and landslip erosion, nutrient decline
Pe	Pennyroyal	97	700-1050	Tertiary sediments, Lower Cretaceous sandstone, mudstone	Hillslopes with gentle crests	Open forest - E. obliqua. E. radiata, E. ovata, E. viminalis	Mottled yellow and red duplex soils; yellow-brown duplex soils, coarse structure; yellow gradational soils, weak structure	Nutrient decline, sheet, gully and landslip erosion
Granite hills on consolidated sediments
Br	Barrabool	17	650	Lower Cretaceous sandstone, mudstone	Rolling hills	Open forest - E. globulus, E. cypellocarpa	Brown duplex soils	Sheet erosion
Hills and plains on sandy Tertiary sediments
BH	Bald Hills	92	700-1000	Paleocene sediments	Deeply dissected hills	Open forest - E. obliqua, E. nitida Low open woodland - E. nitida Closed scrub - E. ovata, Leptospermum spp.	Yellow gradational soils, weak structure; grey sand soils, uniform texture; grey gradational soils	Nutrient decline, sheet, rill and gully erosion, waterlogging, surface compaction
CV	Chapple Vale	115	1000-1350	Paleocene sediments	Dissected hills	Low woodland - E. nitida, E. radiata, E. baxteri Tall shrubland - E. nitida, E. baxteri Closed heath - Casuarina littoralis, Xanthorrhoea australis	Grey sand soils, uniform texture; white sand soils, uniform texture; grey sand soils with hardpans, uniform texture	Nutrient decline, sheet, rill and gully erosion, waterlogging
JT	Junction Track	41	1100-1400	Paleocene sediments	Dissected hills, broad gently hill cappings	Open forest - E. baxteri, E. obliqua, E. radiata Low woodland - E. nitida, E. baxteri Low open woodland - E. baxteri, E. nitida	Yellow gradational soils, weak structure; grey sand soils, uniform texture; grey sand soils with hardpan, uniform texture	Nutrient decline, sheet, rill and gully erosion
PC	Porcupine Creek	71	800-1000	Paleocene marine sediments	Undulating plain	Woodland - E. radiata, E. nitida, E. ovata Low woodland - E. radiata, E. nitida, E. ovata Open woodland - E. radiata, E. nitida, E. ovata	Grey sand soils, uniform texture; grey sand soils with hardpans, uniform texture	Nutrient decline, sheet, rill and gully erosion, waterlogging
Ye	Yeodene	58	750-850	Paleocene sediments Recent sand veneer	Rolling plain	Woodland - E. viminalis, E. obliqua, E. radiata Open forest - E. obliqua, E. radiata	Grey sand soils, uniform texture; yellow gradational soils, weak structure; grey sand soils, weakly structured clay underlay	Nutrient decline, sheet erosion
Hills and plains on Tertiary sediments predominantly medium to fine textured
As	Angelsea	74	600-800	Eocene sediments	Dissected hills	Open forest - E. sideroxylon, E. obliqua, E. baxteri Open scrub: E. obliqua, Casuarina stricta, E. sideroxylon	Yellow-brown duplex soils, coarse structure; mottled yellow and red duplex soils; variable sodic duplex soils	Sheet, gully and tunnel erosion, nutrient decline
Bk	Barongarook	65	70-900	Pliocene sediments Recent sand veneer	Undulating to rolling plain	Open forest - E. obliqua, E. radiata Woodland - E. radiata, E. nitida	Mottled yellow and red gradational soils; grey sand soils, weakly structured clay underlay	Nutrient decline, waterlogging, surface compaction
Be	Bellbrae	25	600-650	Miocene limestone, marl	Rolling hills	Open forest - E. leucoxylon, E. sideroxylon, E. viminalis	Yellow-brown calcareous sodic, duplex soils, coarse structure; brown duplex soils, coarse structure; red calcareous gradational soils	Gully, rill and sheet erosion
De	Deepdene	179	650-700	Pliocene sediments	Undulating plain	Open forest - E. viminalis, E. obliqua, E. radiata	Mottled yellow and red duplex soils with ironstone; yellow-brown sodic duplex soils, coarse structure	Nutrient decline, gully and tunnel erosion, salting
Fe	Ferguson Hill	57	1000-1100	Paleocene marine sediments	Undulating hills and ridges	Open forest - E. baxteri, E. nitida, E. obliqua Low woodland - E. nitida, E. baxteri	Yellow gradational soils, weak structure; grey sand soils with hardpans; uniform texture	Sheet erosion, nutrient decline, waterlogging
GG	Gherang Gherang	99	600-850	Lateritized Tertiary sediments	Flat or gently dissected plateau remnants	Open forest - E. obliqua, E. baxteri, E. radiata Woodland - E. obliqua, E. raidata, E. ovata	Mottled yellow and red duplex soils with ironstone; stony yellow gradational soils	Nutrient decline
HV	Horden Vale	38	90-1250	Paleocene sediments	Undulating coastal plain	Open forest - E. obliqua, E. cypellocarpa, E. baxteri Tall open forest - E. cyopellocarpa, E. obliqua, E. viminalis	Brown gradational soils; red sandy loam soils, uniform texture; mottled yellow and red gradational soils with ironstone	Nutrient decline, surface compaction, sheet erosion
Kn	Kawarren	41	850-1100	Paleocene sediments	Rolling Hills	Open forest - E. obliqua, E. radiata, E. viminalis	Mottled yellow and red gradational soils; yellow gradational soils, weak structure	Nutrient decline, sheet, rill and landslip erosion
KC	Kennedys Creek	95	950-1050	Miocene marine sediments	Undulating plain	Open forest - E. aromaphloia, E. viminalis, E. obliqua	Yellow-brown gradational soils, coarse structure; mottled yellow and red gradational soils	Sheet, gully and tunnel erosion, nutrient decline
Pa	Paraparap	183	600-650	Plio-Pleistoncene sediments	Undulating plain	Open forest - E. viminalis, E. ovata, E. pauciflora Woodland - E. viminalis, E. ovata, Casuarine stricta	Mottled yellow and red duplex soils; yellow-brown sodic duplex soils, coarse structure	Nutrient decline, gully erosion
Rk	Rivernook	15	850-1000	Paleocene sediments	Deeply dissected uplifted plain	Low woodland - E. baxteri, E. ovata, E. nitida Open scrub - E. baxteri, E. nitida, Leptospermum juniperinum	Mottled yellow and red gradational soils with ironstone; grey sand soils with hardpans, uniform texture; yellow-brown gradational soils, coarse structure	Sheet, rill, gully and tunnel erosion, nutrient decline
Sm	Simpson	33	800-950	Pliocene lateritized sediments Veneer of Quaternary sands	Flat lateritic plateau remnants	Open forest - E. obliqua, E. baxteri Closed scrub - Leptospermum juniperinum, Melaleuca squarrosa	Mottled yellow and red gradational soils with ironstone; grey sand soils, structured clay underlay	Nutrient decline, waterlogging, surface compaction
TK	Tomahawk Creek	101	850-1050	Miocene sediments Pliocene lateritized sediments	Deeply dissected plateau remnants	Open forest - E. ovata, E. obliqua Woodland - E. viminalis, E. radiata, E. baxteri	Yellow-brown gradational soils, coarse structure; mottled yellow and red gradational soils with ironstone	Gully, tunnel and landslip erosion, nutrient decline
We	Waarre	28	800-1000	Miocene marine clay, marl limestone	Undulating plain	Woodland - E. ovata, E. radiata, E. obliqua	Brown calcareous gradational soils, coarse structure; mottled yellow and grey gradational soils	Gully and landslip erosion
Wo	Wonga	72	850-950	Paleocene marine sediments	Undulating plain	Open forest - E. obliqua, E. raidata, E. baxteri	Mottled yellow and red gradational soils; grey sand soils, structured clay underlay; yellow-brown gradational soils, coarse structure	Nutrient decline, waterlogging, surface compaction, gully and sheet erosion
Alluvial and estuarine plains
BR	Barwon River	115	600-1000	Recent alluvium	Flood plain	Woodland - E. ovata, E. viminalis, Acacia melanoxylon	Grey gradational soils	Waterlogging, surface compaction, slating, gully and tunnel erosion, siltation
Ba	Birregurra	81	600-650	Pleistocene sediments	Flat plain	Wooland - E. viminalis, E. ovata	Yellow-brown calcareous sodic duplex soils, coarse structure	Nutrient decline, waterlogging
Ca	Carlisle	19	1000-1150	Recent alluvium overlying Paleocene sediments	High-level river terraces	Open forest - E. aromaphloia, E. radiata, E. ovata Low open woodland - E. nitida, E. radiata, E. baxteri	Grey sand soils, structured clay underlay; mottled yellow and red gradational soils; grey sand soils with hardpans, uniform structures	Nutrient decline, waterlogging
Cn	Connewarre	8	625	Recent estuarine sediments	Flat estuarine lowlands with braided channels	Low shrubland - Arthrocnemum arbucutum, Gahnia filum Sedgeland - Scrious nodosus	Saline soils; yellow sodic duplex soils; grey sand soils, weakly structured clay underlay	Salting, surface compaction, sheet erosion
GR	Gellibrand River	52	950-1100	Recent alluvium	Flood plain	Wooland - E. obliqua, E. radiata, E. ovata Tall open forest - E. viminalis, E. obliqua, E. ovata	Grey gradational soils; brown gradational gradational soils, weak structure	Waterlogging, siltation, surface compaction
TC	Thompson Creek	29	600	Plio-Pleistocene alluvium	Flat to gently undulating plain	Low woodland - E. leucoxulon, Casuarina Stricta, E. ovata Open forest - E. leucoxylon	Yellow-brown sodic duplex soils, coarse structure; yellow sodic duplex soils	Gully erosion, salting
Volcanic plains
FC	Freshwater Creek	77	600-650	Pleistocene basalt	Gently undulating plain	Woodland - E. viminalis, E. ovata, E. camaldulensis	Grey-brown duplex soils, coarse structure; yellow sodic duplex soils	Gully erosion, salting
Mo	Mooleric	46	550-600	Pleistocene basalt, scoria, tuff	Undulating plain with volcanic cones	Low woodland - Acacia melanoxylon, A. implexa, E. viminalis Sedgeland - Juncus spp., Ranunculus spp., Carex spp.	Grey calcareous sodic duplex soils, coarse structure; grey calcareous sodic clay soils, uniform texture	Salting, surface compaction
Wa	Winchelsea	80	550-600	Pleistocene basalt	Flat to gently undulating plain	Open woodland - E. camaldulensis	Grey calcareous sodic duplex soils, coarse structure	Waterlogging, salting
Dunes and sand plains on Quaternary sediments
CO	Cape Otway	36	900-1100	Recent sand and shell grit overlying calcarenite	Elevated coastal dunes	Woodland - E. viminalis, Casuarina stricts, Leucopogon parviflorus Open scrub - Alyxia buxifolia, Leucopogon parviflorus, Casuarina spp.	Red-yellow calcareous sand soils, uniform texture; brown gradational soils, uniform texture	Wind erosion, nutrient decline
PR	Point Roadknight	8	600-750	Recent aeolian sands	Longitudinal coastal dunes	Open heath - Helichrysum paralium, Leucopogon parviflorus Low woodland - Melaleuca lanceolata Tussock grassland - Spinifex hirsutus, Tetragonia tetragonioides	Yellow calcareous sand soils, uniform texture; brown calcareous soils, uniform texture	Wind erosion, nutricent decline

Page top