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Buzzing decline: Dutch landscape is losing insect-pollinated plants
The Netherlands is losing plant species that rely on pollination by insects. Leiden environmental scientist Kaixuan Pan demonstrates this after analysing 87 years of measurements from over 365,000 plots. The news is alarming for our biodiversity and food security. "75 per cent of our crops and 90% of the wild plants rely on insects." -
Art x Science
Art x Science -
Earthworms winners of humid 2023 & Leeuwarden bags the title Soil Animal City of the Year
Spring has started in the Netherlands, and that means our soil life is very active again. How much do we know of the creatures living under our feet? That is where the citizen science project of the Soil Animal Days comes in. What did the results of 2023 show us? Earthworms like wet weather and managed to retain their position in the national soil animals Top 3: they were spotted in 87% of gardens. And in Leeuwarden, people searched for soil animals with such enthusiasm and a clear focus on the importance of soil animals that the Frisian capital may proudly call itself Soil Animal City of the Year. -
Seasonal timing
Species can adapt over the course of time. As the lives of species are altered by climate change, a different seasonal timing could make them adapt to an early spring, for example. How does this work, and what are the limits to such adaptations? -
Costs of scaring grass-eating barnacle geese often outweigh the benefits
At the current population sizes, the practice of scaring geese off pastures in the province of Friesland probably ends up costing more than it saves. Ecologist Monique de Jager and colleagues from the Netherlands Institute of Ecology (NIOO-KNAW), Utrecht University, Wageningen University & Research and the University of Amsterdam conclude this based on a model study, that was conducted as part of the Dutch contribution to European goose management. The results suggest that scaring geese is cost-effective only when there are few geese in the area. -
National Soil Animal Days 2024
Every year around World Animal Day, we go on safari in our own gardens looking for the important but often overlooked soil animals. This year marks the 10th edition of the Soil Animal Days. -
Observations National Soil Animal Days 2023
Every year around World Animal Day, it's time to go on safari in your own garden - looking for the all-important but often overlooked soil animals. 2023 will mark the 9th edition of the Dutch Soil Animal Days. The annual event, organised by NIOO and a growing number of partners, is still welcoming observations. All observations up to and including 31 October will count for the national Soil Animal Top 3 of 2023. -
National Soil Animal Days 2023
Ieder jaar gaan we rond Dierendag op safari in eigen tuin, op zoek naar die belangrijke maar vaak vergeten bodemdieren. In 2023 is het tijd voor de 9e editie! -
Open Dagen bij het NIOO
Het NIOO houdt regelmatig Open Dagen om te laten zien hoe we onderzoek doen. Op 7 oktober is het weer zover. -
'Green transition' event: the state of our water
Pakhuis de Zwijger organiseert op maandag 19 december een avond over de kwaliteit van ons water, met o.a. NIOO-onderzoeker Rosan Halsema.