Title Authors Year
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata

Freitas, M…

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

Roura-Carol…

1999
Protocol to abate acidification, eutrophication and ground-level ozone.

UNECE, .…

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
Environmental impacts of forest monocultures: water use, acidification, wildlife conservation and carbon storage.

Cannell, M.…

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

Ramsay, S.L…

1999
Chemistry of Atmospheres

Wayne, R.P…

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

Flückiger,…

1999