Biotic index & Biotic coefficient - ref: Borja A, Franco J, Perez V 2000 A marine biotic index to establish ecological quality of soft bottom benthos within European estuarine and coastal environments. Marine Pollution Bulletin 40 (12): 1100-1114 Trix - ref: Vollenweider R.A., Giovanardi F, Montanari G, Rinaldi A 1998 Environmetrics, 9/3; 329-357 Taxonomic distinctness - ref: Warwick R.M., Clarke K.R. 2001 Practical measures of marine biodiversity based on relatedness of species. Oceanography & Marine Biology Annual Review 39, 207-231 Selected higher taxon - equivalent terrestrial examples - Coccinellidae for all beetles Recording conspicuous species by visual methods - method to be used by scuba divers in subtidal, while walking at low tide in the intertidal. Number of species - ATBI - All Taxa Biodiversity Inventory - identification of all species from restricted area, from viruses to whales. Practically not done before, several sites are having quite complete inventories. Higher taxonomic diversity Warwick R.M., 1993 Environmental impact studies on marine communities: pragmatical considerations. Australian Journal of Ecology 18; 63-80 Gut contents of key predators - ref: Weslawski et al. 1994 Shannon Wienner index Hurlbert index |