Title Authors Year
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
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

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

UNECE, .…

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
Cronartium flaccidum fruitbody production on Melampyrum spp and some important alternate hosts to pine.

Kaitera, J…

1999
Climate change impacts on ecosystems and the terrestrial carbon sink: a new analysis

White, A.;…

1999
The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France)

Francez, A.…

1999
Contaminant release from sediments in a coastal wetland

Lau, S. S.S…

1999
Mapping of ammonia pollution with epiphytic lichens in the Netherlands

Van Herk, C…

1999
The Kyoto Protocol: A guide and assessment

Grubb, M.;…

1999