Marine biological survey to establish the distribution and status of ...

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Figure 8 Video stations surveyed in the central Sound of Canna (A) and on the
maerl bed at Guridil (M).................................................................................. 13
Figure 9 Distribution of grab sampling stations within the Sound of Canna ................. 14
Figure 10 Distribution of dive sites surveyed in 2010 within the Sound of Canna.......... 16
Figure 11 2010 survey coverage off Canna and Sanday (all methodologies).
Records displayed at biotope complex level, colour-coding aligns with
Table 2 ........................................................................................................... 21
Figure 12 2010 survey coverage off Rum (all methodologies). Records displayed
at biotope complex level, colour-coding aligns with Table 2 .......................... 22
Figure 13 Distribution of the large-scale shelf deeps MPA search feature within the
Sound of Canna ............................................................................................. 24
Figure 14 Predicted distribution of the burrowed mud MPA search feature
component biotope SS.SMU.CFiMu.MegMax within the Sound of
Canna with individual records of burrows and seapens ................................. 25
Figure 15 Individual records of the tall seapen Funiculina quadrangularis within the
2010 Sound of Canna survey area................................................................. 26
Figure 16 Division of the megafaunal burrowed mud habitat in the Sound of Canna
into the infaunal biotopes SS.SSa.OSa.OfusAfil and
SS.SMu.CSaMu.AfilMysAnit ........................................................................ 27
Figure 17 Particle size analysis of the SS.SSa.OSa.OfusAfil sediment samples,
showing the percentage of each sediment category ...................................... 27
Figure 18 Particle size analysis of the SS.SMu.CSaMu.AfilMysAnit sediment
samples, showing the percentage of each sediment category....................... 28
Figure 19 Predicted distribution of kelp and seaweed communities on sublittoral
sediment biotopes (SS.SMp.KSwSS) within the Sound of Canna................. 29
Figure 20 Estimated area of maerl bed (SS.SMp.Mrl.Pcal) off the coast of Rum at
Guirdil, with individual records of maerl.......................................................... 30
Figure 21 Results of the particle size analysis of the maerl sediment sample taken
at grab station G22, showing the percentage of each sediment category...... 31
Figure 22 Predicted distribution of northern sea fan biotopes in the Sound of
Canna with individual records of Swiftia pallida ............................................. 33
Figure 23 The two seagrass beds situated on opposite sides of the Sound of
Canna with close-up inset maps of the bay at An Coroghan on Canna
and Kilmory Bay on Rum................................................................................ 35
Figure 24 Results of particle size analysis of seagrass bed sediment samples,
showing the percentage of each sediment category ...................................... 36
Figure 25 Predicted distribution of northern feather star aggregations on mixed
substrata within the Sound of Canna with individual records of
Leptometra celtica .......................................................................................... 37
Figure 26 The predicted distribution of the fan mussel aggregation in the Sound of
Canna showing individual records of Atrina fragilis........................................ 39
Figure 27 The predicted extent of the fan mussel aggregation within the Sound of
Canna illustrating areas of different Atrina fragilis density and outlying
records ........................................................................................................... 40
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