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Structural Patch Types

The photos below are examples of the structural patch types used in CRAM. The left has the patch name and the right has an example of the patch type. Click on the patch name to see an enlarged picture which will open in a new tab.


Animal mounds and burrows

Animal burrows


Bank slumps or undercut banks in channels or along shorelines

boulder5


Cobbles and boulders

boulder4


Concentric or parallel high water marks

conc_h2o_marks_2


Debris jam

debris-jam


Hummocks or sediment mounds

hummock5


Islands (exposed at high-water stage)

island1


Macroalgae and algal mats

algae


Non-vegetated flats (sandflats, mudflats, gravel flats etc.)

flat


Pannes or pools on floodplain

panne7


Point bars and in-channel bars

bar


Pools in channels

Pool_in_channel


Riffles or rapids

riffle6


Secondary channels on floodplains or along shorelines

Secondary_channel


Shellfish beds

shellfish3


Soil cracks

dscn3191


Standing snags

tree-snag

Submerged vegetation


Swales on floodplain or along shoreline

swale


Variegated or crenulated foreshore

variegated2


Wrackline or organic debris in channel or on floodplain

wrack8