Fence essential where large predators occur 2159 

 Fenced enclosures 302 



plots 1293 



Fences and fencing 133, 380, 499, 638, 667, 733, 1252 



Fenuron 4 36 



Fertilisers, complete 1138 



Fertilization 83, 87, 90, 278, 408 



Fertilizer usage 356 



Fiber, dispersed throughout core of 926 



systems, intracellular 2178 



Fibers, contracted 182 



, cytoplasmic 2178 



, elastic and reticular 707 



, excitatory 1159 



, inhibitory 1159 



, inhibitory are cholinergic 1028 



Fibertex 428 

 Fibrils 127 



, needle-shaped 1639 



Fibrocytes 322, 327, 331, 596 



, secondary 322 



Filament, extrusion of acrosome 1084 



length, constancy of 772 



, two kinds of 772 



Filamentous organization 1470 

 Filaments 368, 1767 



, cytoplasmic 1942 



, discontinuity of 772 



, interaction between large 1297 



, large 936, 1800 



, thick 2103 



, thin 2103 



Filibranch 1226 



Filipodia 2178 



Filling, effects of 290, 1251, 2220 



Filter, submerged biological 789 



Filtered 1926 



Filtering apparatus, requires energy expenditure to clear 14 89 



rate, depression of 55 



rates 557, 1544, 1553 



Filtration 23, 25 



, gel 2207 



, particle 948 



rates 370, 829, 1329, 1427, 1929 



Financial assistance 1997 



losses 71, 81 



Finfisheries 467 



694 



