During incubation, an embryo is developing in the egg for a period of 21 days. During the incubation process air exchange occurs between the egg and its external environment during which it loses humidity due to water diffusion through the shell. This loss in humidity can affect chicks’ quality and, …

Rijkswaterstaat has an effort-obligation and result-obligation to take measures to achieve the goals of the Water Framework Directive (WFD) at the Eastern Scheldt and Lake Grevelingen. The WFD aims to achieve and protect a sufficient ecological and chemical status of inland surface waters, transitional …

Coastal soft-sediment habitats are some of the most valued ecosystems due to their high productivity, sustaining coastal food webs. However, coastal soft-sediment habitats are under pressure due to human activity and sea level rise. To preserve or restore soft-sediment habitats different management strategies …

The project consists of a regional strategy for the Bajo Guadiana River Valley, in the southern border in between Portugal and Spain. Developed in three steps: Landscape Regeneration, Sustainable Local Production, Green-Blue Accessibility. Analyzing the area, it is clear that the current use of the …

In the Netherlands, the position of the city center is transitioning from a place-to-buy to a place-to-be. This means that the city center is changing from a place where people come to shop, to a place where people come to meet and experience. This shift causes Municipalities to reevaluate the position …

Introduction In the harbor of Zierikzee there is a strong tidal influence. The difference between the water levels during high and low tide lies around the three meters. The harbors De Oude Haven and ‘T Sas fall dry during an extremely low tide. When these harbors fall dry, foundations will come in …

To increase the yield and quality of aquaculture feed, the effects of N and P concentrations on biomass productivity and cell composition were examined in the marine diatom Skeletonema costatum. Batch-cultured microalgae in Walne’s medium with 3.5 ± 0.5 mmol L-1 N-NO3- and 0.30 ± 0.05 mmol L-1 P-PO43- …

Relatively new products which are mostly marketed by online communities and online influencers as healthy or having therapeutic effects are being sold across Europe and United States, online or local drugstores, without ensuring that these products go through any quality analysis. This introduces a threat …

The combined impacts of urbanization and climate change pose significant threats for flooding and water quality in urban areas. Research shows that on average 83% of the flooding events were caused by gully pot blockages, stating the crucial importance of gully pot maintenance. Roadside gully pots are …

Waterborne diseases are posing a constant threat for people. In developing countries there is a lack of microbiologically safe drinking water and in the developed countries there are occasional waterborne disease outbreaks. These diseases are caused by bacteria or parasites which can be found in various …