The primary habitat matrix

 

 
SUBSTRATUM
ROCK
SEDIMENT
 





ZONE
High energy rock

[H*R]

(wave exposed or very tide-swept)
Moderate energy rock

[M*R]

(moderately wave-exposed or tide-swept)
Low energy rock

[L*R]

(wave sheltered and weak tidal currents)
Features on rock

[F*R]


(rockpools, caves)
Coarse sediment

[CS]


Mobile cobble & pebble, gravel, coarse sand
Sand


[Sa]


Clean sands & non-cohesive muddy sands
Mud


[Mu]


Cohesive sandy muds & muds
Mixed sediment

[Mx]


Heterogeneous mixtures of gravel, sand & mud
Macrophyte-dominated sediment
[Mp]
Biogenic reefs


[BR]
L
I
T
T
O
R
A
L
LITTORAL

[L]
(splash zone, strandline & intertidal)
High energy littoral rock

[HLR]
Moderate energy littoral rock

[MLR]
Low energy littoral rock

[LLR]
Features on littoral rock

[FLR]
Littoral coarse sediment

[LCS]
Littoral sand

[LSa]
Littoral mud

[LMu]
Littoral mixed sediment

[LMx]
Littoral macrophyte-dominated sediment

[LMp]
Littoral biogenic reefs


[LBR]
S
U
B
L
I
T
T
O
R
A
L

[S]
INFRA-LITTORAL

[I]
(shallow subtidal)
High energy infralittoral rock

[HIR]
Moderate energy infralittoral rock

[MIR]
Low energy infralittoral rock

[LIR]
Features on infralittoral rock

[FIR]
Sublittoral coarse sediment

[SCS]
Sublittoral sand

[SSa]
Sublittoral mud

[SMu]
Sublittoral mixed sediment

[SMx]
Sublittoral macrophyte-dominated sediment

[SMp]
Sublittoral biogenic reefs

[SBR]
CIRCA-LITTORAL

[C]
(nearshore deeper and offshore subtidal)
High energy circalittoral rock

[HCR]
Moderate energy circalittoral rock

[MCR]
Low energy circalittoral rock

[LCR]
Features on circalittoral rock

[FCR]