Posidonia oceanica is a species of seagrass endemic to the Mediterranean Sea where it grows either in patchy patterns or forms extensive meadows, at up to 50m of depth. The species has great ecological and economical value. It provides a habitat and nursing ground for many marine fauna species and fixates …

The European Commission’s Fitness Check exercise, as part of the Better Regulation agenda is a very hot topic at the moment and has already covered six policy areas since 2010. At the moment, a Fitness Check is being performed on the Birds & Habitats Directives, which can be seen as the most controversial …

In de zomer van 2014 is de populatie van de veldmuis dermate groot geworden, dat er sprake is van een veldmuizenplaag (Microtus arvalis) in zuidwest Friesland. Door overbevolking is er te weinig voedsel en woonruimte te vinden in hun natuurlijk habitat, waardoor de veldmuizen naar de graslanden van de …

Baseline data on anthropogenic seafloor debris contamination in the year 2000 is provided for 24 submersible video transects at depths of 80–900 m, off the Dutch ABC-islands (Aruba, Bonaire, Curaçao), in the southeastern Caribbean Sea. In total, 202 objects were documented from a combined 21,184 m of …

A focus of information on production systems calls for more knowledge on the naturalness in behaviour of semi wild living cattle. Broadening this knowledge database is beneficial to the increased use of cattle in conservation as well as more traditional farming methods. This study therefore investigated …

Fish have the natural behaviour to move across various aquatic ecosystems and for some species this is of vital importance. Migration is often a seasonal phenomenon which occurs in order to move between habitats, such as winter refuges-, foraging- and spawning or nursery habitats, also escaping unfavourable …

In this study we tested 39 Lactococcus lactis strains isolated from diverse habitats for their robustness under heat and oxidative stress, demonstrating high diversity in survival (up to 4 log units). Strains with an L. lactis subsp. lactis phenotype generally displayed more-robust phenotypes than strains …

Fragmentation of the environment affects the dispersal of Eurasian lynx (Lynx lynx). This also occurs in the Harz region, in central Germany, where in 2000 the Luchsprojekt Harz started reintroducing the Eurasian lynx. This constantly growing population causes lynx dispersal including high traffic volume …

The international Wadden Sea is an estuarine tidal area along the North Sea coasts of The Netherlands, Germany and Denmark. It is characteristic for regions with sandy coasts and a medium tidal range. Fifty barrier islands separate the Wadden Sea from the North Sea, and an offshore transition zone to …

Dit deelonderzoek over bijen maakt deel uit van een groot project naar de biodiversiteit van bijen in de gemeente Leeuwarden. Biodiversiteit is de laatste jaren erg onder de aandacht gekomen van mensen. Ook de gemeente Leeuwarden probeert op een aantal manieren de biodiversiteit binnen de gemeente te …