Title Authors Year
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
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
Ecotoxicological effects and uptake of metals (Cu+, Cu2+, Mn2+, Mo6+, Ni2+, V5+) in freshwater alga Scenedesmus quadricauda

Fargašová,…

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

Bergmann, E…

1999
Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia

Reimer, P.…

1999