Figure 1.
Three study sites on the Norwegian margin – Sotbakken Reef, Røst Reef and Traena Reef.
Figure 2.
Applied categories of substrate presence.
Table 1.
Multiscale terrain variables applied in this study.
Table 2.
P. arborea and P. resedaeformis occurrence observed at three study sites by JAGO dives.
Figure 3.
Contribution of each terrain variable to observed distribution of species.
Figure 4.
Percentage distribution of ASP9 of the overall available habitat, P. arborea observed localities and P. resedaeformis observed localities at Røst Reef.
Figure 5.
Biplots of the marginality and specialization of species distribution contributed by each terrain variable.
Those terrain variables making the largest contribution (the absolute of x or y>0.3, or the sum of absolute x and y>0.45) are highlighted in bold.
Figure 6.
Bathymetry and terrain variables at Røst Reef.
(A) bathymetry with three JAGO dive transects and main bottom current direction, (B) MEC17, (C) ASP9, (D) PLC9.
Figure 7.
Terrain variable MEC3 at Røst Reef.
Figure 8.
Detailed plots of boxed areas B1, B2 and B3 (from Figure 6B).
The substrate presence, P. arborea and P. resedaeformis occurrence along the JAGO dive transects were shown for each corresponding area.
Figure 9.
Bathymetry and terrain variables at Sotbakken Reef.
(A) bathymetry with three JAGO dive transects and main bottom current direction, (B) BPI17, (C) PLC9.
Figure 10.
Detailed plots of boxed areas B1, B2 and B3 (from Figure 9B).
The substrate presence, P. arborea and P. resedaeformis occurrence along the JAGO dive transects were shown for each corresponding area.
Figure 11.
Bathymetry and terrain variables at Traena Reef.
(A) bathymetry with three JAGO dive transects and main bottom current direction, (B) BPI17, (C) PLC9, (D) RUG3.
Figure 12.
Detailed plots of boxed areas B1, B2 and B3 (from Figure 11B).
The substrate presence, P. arborea and P. resedaeformis occurrence along the JAGO dive transects were shown for each corresponding area.