The Effects of Ozone and Cutting on the Species Composition of Artificial Grassland Communities

1. Pots containing a mixture of the grasses Agrostis capillaris and Festuca rubra and the forbs Trifolium repens and Veronica chamaedrys were exposed to ozone in open-top chambers ventilated with charcoal-filtered air. Total ozone exposure ranged from 800 nl 1-1 h above 40 nl 1-1 to 15 000 nl 1-1 h...

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