Lampert, W.: Forum: Nutrient ratios. Editor''s comment 1

Bulgakov, N. G. & Levich, A. P.: Forum: - The nitrogen: phosphorus
ratio as a factor regulating phytoplankton community structure. (With
5 figures and 1 table) 3-22

Reynolds, C. S.: Forum: - Non-determinism to Probability, or N: P in
the community ecology of phytoplankton 23-35

Smith, V. H. & Bennett, S. J.: Forum: - Nitrogen: phosphorus supply
ratios and phytoplankton community structure in lakes. (With 3
figures) 37- 53

Sommer, U.: Forum: - A comment on the proper use of nutrient ratios in
microalgal ecology. (With 1 figure) 55-64

Dudgeon, D. & Wu, K. K. Y.: Leaf litter in a tropical stream: food or
substrate for macroinvertebrates? (With 6 figures and 1 table) 65-82

Lancaster, J. & Mole, A.: Interactive effects of near-bed flow and
substratum texture on the microdistribution of lotic
macroinvertebrates. (With 4 figures and 2 tables) 83-100

Mathooko, J. M.: Effects of differing inter-disturbance intervals on
the diversity of mayflies recolonizing disturbed sites in a tropical
stream. (With 7 figures and 3 tables) 101-116

Tatrai, I., Matyas, K., Korponai, J., Paulovits, G., Pomogyi, P. &
Presing, M.: Stable isotope analysis of food webs in wetland areas of
Lake Balaton, Hungary. (With 5 figures and 2 tables) 117-128