Diversity and ecology of freshwater diatoms (Bacillariophyta) in Petuniabukta (Spitsbergen) Universiteit Gent
Diatoms are one of the most abundant algal groups in polar ecosystems, both in number of specimens as in number of species. Their characteristic silica outer shell (the valve) and the significant responses to changes in their physical and chemical environment, make them excellent bio-indicators used in applied environmental, biogeographical and paleo-ecological studies. Unfortunately, our knowledge of the species composition of High Arctic ...