Title Authors Year
Hematological Parameters in Fish Channa punctatus Under the Stress of Manganese

Garg, V. K…

1989
Results of the harmful effects of water pollutants to Daphnia magna in the 21 day Reproduction Test

Kühn, R ;…

1989
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

1989
Forest decline and Air Pollution

Schulze, E.…

1989
Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests

Tyler, G.…

1989
Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping.

Hawksworth…

1989
Water and the Environment. Circular 7/89

Department…

1989
Unifying nutrient-chlorophyll relationships in lakes.

Prairie, Y.…

1989
Surface Waters (Dangerous Substances) (Classification) Regulations No 2286

HMSO,

 		1989
Effects of SO2, NO2, and O3 on Population Development and Morphological and Physiological Parameters of Native Herb Layer Species in a Beech Forest.

Steubing, L…

1989