Where have all the beetles gone? Long‐term study reveals carabid species decline in a nature reserve in Northern Germany

The drastic insect decline has received increasing attention in scientific as well as in public media. Long‐term studies of insect diversity trends are still rare, even though such studies are highly important to assess extent, drivers and potential consequences of insect loss in ecosystems. To gain insights into carabid diversity trends of ancient and sustainably managed woodlands, we analysed data of carabid beetles from a trapping study that...