Effects of elevated carbon dioxide and increased nitrogen deposition on bog vegetation in the Netherlands

Summary We studied the effects of elevated atmospheric CO 2 and increased N deposition on the plant species composition of a Sphagnum ‐dominated bog ecosystem in the Netherlands. Large peat monoliths (surface area 1 m 2 , depth 0.6 m) with intact bog vegetation were kept outdoors in large containers and were exposed to elevated CO 2 or increased N deposition for three growing seasons. Elevated CO 2 conditions (target concentration 560 µmol CO 2 mol −1 ) were created using MiniFACE technology. In a separate experiment, N deposition was increased by 5 g N m −2 year −1 by adding dissolved NH 4 NO... Mehr ...