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
Phytoaccumulation of trace elements by wetland plants II Water hyacinth

Zhu, Y. L…

1999
Ozone stimulates protonematal growth and gametophore production in Polytrichum commune

Petersen, R…

1999
Inventory of information sources on chemicals Persistent Organic Pollutants

UNEP,

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

Tyburk, K…

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

Hill, M.O…

1999
Ozone threshold doses and exposure response relationships for the development of ozone injury symptoms in wild plant species.

Bergmann, E…

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

Ramsay, S.L…

1999