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

Van Herk, C…

1999
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata

Freitas, M…

1999
Phytoaccumulation of trace elements by wetland plants II Water hyacinth

Zhu, Y. L…

1999
The resistance of the moss Polytrichum commune to acute exposure of simulated acid rain or ozone compared to two fern species: Spore germination

Bosley, A…

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
Ozone stimulates protonematal growth and gametophore production in Polytrichum commune

Petersen, R…

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

Tyburk, K…

1999
Factors influencing nitrogen saturation in forest ecosystems: Advances in our understanding since the mid 1980s. in the impact of nitrogen deposition on natural and semi-natural ecosystems

Wilson, E.J…

1999
Case study of the effects of atmospheric aerosols and regional haze on agriculture: An opportunity to enhance crop yields in China through emission controls?

Chameides,…

1999