The moose (Alces alces) shows partial migration in Scandinavia. During the seasons access to forage sources differs, where in winter this is more limited, due to e.g. snow cover. In summer various sources are available. The age class of the forest roughly reflects the forage availability for the moose. …

The nature organisation Echo aims to conserve the Yellow-Shouldered Amazon parrot on Bonaire. They have established two exclosures for reforestation purposes, Washington and Slagbaai (Washington-Slagbaai National park), which increase the habitat of this parrot. Several native Xerophytic tree species …

Om de streefdoelen van de Kaderrichtlijn Water te behalen, investeren de Nederlandse waterbeheerders het laatste decennium steeds meer in het ecologisch herstel van beken en rivieren. Kleinschalige herstelmaatregelen - zoals beschaduwen, het inbrengen van houtpakketten en en het aanpassen van het onderhoud …

Het gaat slecht met bijen in Europa. Volgens onderzoek gaan insectenpopulaties met 67% achteruit sinds 1990. Een belangrijke reden voor deze achteruitgang is het verlies in habitat en vermindering van het aantal bloemen. Het Waterschap Vallei en Veluwe wil als maatschappelijke organisatie helpen de neerwaartse …

The critically endangered western chimpanzee (Pan troglodytes verus) once occurred in 12 West African countries. However, increasing anthropogenic factors have caused a dramatic decline in the species’ habitat and population. This dramatic decline raises fears that the species may become extinct in the …

De begrazingsdruk door herten wordt in Europa en Nederland steeds groter. Herten kunnen de functie en structuur van het ecosysteem aanpassen dat kan leiden in een trofische cascade-effect. De planten worden direct beïnvloed wat een effect heeft op de insecten en daarmee de insectenetende soorten. Bepaalde …

Exponential population growth has forced many rural inhabitants in the developing countries to move to the cities. According to UN Habitat, in most cases the search for better opportunities is the main motivation to urbanize (2012, p.35). Thousands of new “informal” houses are built every day around …

Urban delta areas require innovative and adaptive urban developments to face problems related with land scarcity and impacts of climate change and flooding. Floating structures offer the flexibility and multi-functionality required to efficiently face these challenges and demands. The impact of these …

Recently, Lévy walks have been put forward as a new paradigm for animalsearch and many cases have been made for its presence in nature. However,it remains debated whether Lévy walks are an inherent behavioural strategyor emerge from the animal reacting to its habitat. Here, we demonstratesignatures …

The Bawean warty pig (Sus blouchi) is an endemic confined to the 192 km2 Bawean island in the Javasea. Due to a lack of quantitative ecological research, population assessments have so far been based solely on interviews with local inhabitants. Hunting and habitat degradation in Bawean’s protected areas …