The value of long term

The study of light colour impact
© Kamiel Spoelstra/NIOO-KNAW

The value of long term

It can take years to notice the effects of changes in nature. Long-term research is therefore essential. If there are far fewer great tits or winter moths in a year, is that an exception or a new trend due to climate change? The long haul needed to measure this year-on-year is a big challenge. The National Institute for Ecological Research NIOO-KNAW, which celebrates its 70th anniversary this month, does this kind of research. What does this research teach us?
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