Title Authors Year
Mapping of ammonia pollution with epiphytic lichens in the Netherlands

Van Herk, C…

1999
Undergrowth as a biomonitor for deposition of N and acidity in pine forest.

Van Dobben…

1999
The effect of increased deposition of atmospheric N on Cv in upland Britain.

Carroll, J.…

1999
Phytoaccumulation of trace elements by wetland plants II Water hyacinth

Zhu, Y. L…

1999
Ozone stimulates protonematal growth and gametophore production in Polytrichum commune

Petersen, R…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

 		1999
Methane release from peat soils: effects of Sphagnum and Juncus.

Roura-Carol…

1999
Oak forest development as a result of historical land-use patterns and present N deposition

Tyburk, K…

1999
Ozone threshold doses and exposure response relationships for the development of ozone injury symptoms in wild plant species.

Bergmann, E…

1999
Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce

Flückiger,…

1999