This data set is a collation of multiple Porcupine Marine Natural History Society (PMNHS) surveys undertaken between 1961 and 2020, produced from a Marine Recorder Snapshot provided by the PMNHS.
Zooplankton abundance survey using a WP2 net with 200 micron mesh with a 0.159m2 opening. Net was dragged vertically from sea floor to the surface at one location (Skomer MCZ) at different times. ...
All of these groups except the sharks showed significant differences between gear types. The groups of benthic damselfish/angelfish, butterflyfish, jacks, and sharks are listed with total number of fi
Data on whale distribution and abundance in the polar oceans is rather sparse, as implementing the standard surveying method, line-transect surveys, is challenging and costly....
