Back to profile Projects - dr. IYM (Ingrid) Tulp The use of RNA/DNA ratios in assessing the nursery quality for fish The coastal areas are considered important nursery areas for a number of commercial fish species. Recent analyses have shown that traditional nursery... Trendspotter For trend analyses we commonly use Trendspotter, a program that can detect flexible trends. The input of the program has hitherto been annual indices... Long-distance migratory seabirds linking Arctic and ocean Rob van Bemmelen studies the migration of a set of Arctic long-distance migratory seabirds. These seabirds spent the larger part of their annual cycle... Progress of research into effects of prawn fishing Progress of project: Effects of prawn fishing in Natura 2000 areas. State of affairs February 2013. Impact of shrimp fishing on Natura 2000 areas Shrimp fishing is a hitherto unregulated fishing that primarily operates in the Dutch coastal zone, Wadden Sea and the area around Sylt.