280
undergrazed phase 138,164,177,209
undergrowth species 177,202,203
uninvadable community 49
unstructured population model 108, 113,
119,121,212,213
vertebrate predation 7,11,63,94,213
vitamin B12 34
Vollenweider model 3, 14-15,30,147,148,
207,210
Volterra principle 126
Subject index
washout point 122, 136,245,246,251
water
transparency 2, 21, 167
renewal 3, 15, 122, 124,208,209
weight-for-Iength index 86, 87
whole-lake manipulation 118
X-ray microanalysis 20, 189
yield of algal biomass 5, 24, 30, 33, 34, 53,
118,131, ISO
yolk 65, 97, 100, 112