Wageningen Marine Research (WMR) conducts a variety of monitoring programs in Dutch waters. These monitoring programs are conducted to gain knowledge of trends, abundance and diversity of fish species in the Dutch rivers and lakes. Many monitoring programs pay special attention to diadromous fish which …

Recent research has shown that many chloroplast markers commonly used for the identification of species in land plants are not useful in the moss genus Campylopus. The only known suitable marker in Campylopus is the nuclear ribosomal ITS1-5.8S-ITS2 region. However, evolutionary patterns of this region …

Bryophytes are small, haploid, non-vascular plants, which can be divided in three distinct phyla; the mosses (Musci), the liverworts (Hepaticae) and the hornworts (Anthocerotae) (Gradstein & Melick, 1996), (Touw, Kruijer, & Stech, 2016). They are valuable indicators of environmental chance, due to the …

In this study, various extraction methods were compared based on their ability to extract both free amino acids, and free 5’-monophosphate nucleotides from the seaweed Saccharina latissima. Based on the results, extraction at room temperature with Milli-Q over 24 hours was chosen as the method of choice, …

Howler monkeys (genus Alouatta) are new world monkeys native to Central and South America. Although the overall population of howler monkeys is declining due to habitat loss and the illegal trade, their status, as categorised by the IUCN Red List of Threatened Species (2017), ranges from Least Concern …

Daily life is greatly influenced by fossil fuels. New technological inventions and the reduction of the ice coverage due to climate change makes it possible for humans to be present and undertake activities, such as gathering oil in previously inaccessible areas like the North Pole (Sagerup, Nahrgang, …

To ensure stability for ships, ballast water is often used to correct or adjust the list or trim of a ship. After loading the ballast water is often carried across the ocean and discharged in an area with another aquatic environment. As a result, invasive species can end up in the water and effect the …

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 …

Naar verwachting zal zowel de levensverwachting voor mannen en vrouwen als het aantal dementiepatiënten de komende jaren toenemen. 60 tot 70 procent van de dementiepatiënten heeft Alzheimer, een tot op heden ongeneesbare pathologie. Alzheimer is een progressieve aandoeningen, waarbij de symptomen vaak …

The Bison Hillock is an area in the Carpathians, Romania and one of the areas where the previously extinct European Bison (Bison bonasus) recently has been reintroduced. Although some research on the ecology of the European bison in other areas exist, there was little know about their ecology in the …