De temperatuur op aarde stijgt en er wordt veel onderzoek gedaan naar de effecten van deze opwarming op verschillende diersoorten. Een veel bestudeerde soortgroep zijn de libellen, omdat deze koudbloedig zijn en voor een insect grote afstanden kunnen afleggen. Uit een onderzoek van 20 jaar geleden is …

The loss of biodiversity is a worldwide problem caused by over exploitation of natural resources, pollution, introduction of invasive species and other problems, human induced. The Netherlands is working on strengthening its natural environment boosting social and economic wellbeing. In Southwest Drenthe, …

In many countries the Eurasian otter (Lutra lutra) is extinct or numbers are declining; resulting in a classification as “near threatened” on the IUCN’s Red List. In one-third of the European countries, however, conservation efforts, enabled the return of the species or the improvement of weakened populations. …

Harbour porpoises (Phocoena phocoena) are the smallest cetaceans in the North Sea. They have recovered from being rare to nowadays being present throughout the year in numbers reaching to 80 000 in the Dutch sector or the North Sea. The only area where studies were conducted prior to the disappearance …

The European Ground Squirrel (Spermophilus citellus) is an endemic, non-social, hibernating rodent, distributed through several Pan-European countries. Its habitat is semi-arid grass steppes and analogical man-made landscapes with short vegetation layers, such as meadows and golf courses. Since 1996, …

The aim of this research was to describe paddock use of horses and cattle in different densities in the salt marshes of Noord-Friesland Buitendijks. In this report is also added the ongoing discussion about grazing in salt marshes in whole Europe and it might help understanding different outcomes in …