So what have we learnt from our time at North Norfolk Sandbanks and Saturn Reef SCI? Last week I described our two objectives for this survey- to try to find evidence of Ross worm (Sabellaria spinulosa) reef in the site and to see whether biological communities found in different seabed habitats within the site are statistically different from each other. While a lot of work remains to be done back in the lab to process and interpret the data we've collected, we have been encouraged by the amount of potential Sabellaria spinulosa formed reef observed on this survey, both in the sidescan sonar data and the grabs and camera tows collected, as well as some of the other critters we've come across.
|Up close and personal with a potential biogenic reef formed by Ross worm (Sabellaria spinulosa) tubes (JNCC/Cefas, 2013)|
|Dahlia anemone Urticina felina nestled in sand with hydroid species and Sabellaria spinulosa formed tubes (JNCC/Cefas, 2013)|
|(Top) Sieve containing seabed sediment and associated fauna, including the Serpent brittlestar Ophiura ophiura, (Bottom) Masked crab Corystes cassivelaunus (JNCC/Cefas, 2013)|
|Leaving site (Joey O'Connor, 2013)|