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

Freitas, M…

1999
Environmental chemistry: End of acid reign?

Jenkins, A…

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

Carroll, J.…

1999
Changes in distribution and abundance of submerged macrophytes in the Inner Bay at Long Point, Lake Erie: Implications for foraging waterfowl

Knapton, R.…

1999
Closing the global N2O budget: a retrospective analysis 1500 - 1994

Kroeze, C…

1999
Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization

Lavado, R.…

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

Jones, K.C…

1999
Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex.

Hill, M.O…

1999
Impact of heavy metals on denitrification in surface wetland sediments receiving wastewater

Sakadevan,…

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

Van Dobben…

1999