Title Authors Year
Global amphibian declines: A problem in applied ecology

Alford, R.A…

1999
Effect of vanadium on the growth of soybean seedlings

Wang, J ;…

1999
Mapping of ammonia pollution with epiphytic lichens in the Netherlands

Van Herk, C…

1999
Undergrowth as a biomonitor for deposition of N and acidity in pine forest.

Van Dobben…

1999
Distribution in Portugal of some pollutants in the lichen Parmelia sulcata

Freitas, M…

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

Kroeze, C…

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

Lavado, R.…

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