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
The influence of wooded shelterbelts on the deposition of copper, lead and zinc at Shakerley Mere, Cheshire, England

Heath, B. A…

1999
Persistent organic pollutants (POPS); state of the science

Jones, K.C…

1999
The effects of quantity and duration of simulated pollutant nitrogen deposition on root-surface phosphatase activities in Calcareous and acid grasslands: a bioassay approach

Johnson, D…

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

Roura-Carol…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

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

Flückiger,…

1999
Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK?

Ramsay, S.L…

1999
Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales

Van Dobben…

1999