504 Subject Index 



turnover, 160 

 Dissolved organic nitrogen 

 precipitation, 106 

 sediments, 102 

 water, 102 

 Dissolved reactive phosphorus 

 equilibrium concentration, 



142 

 errors in analysis, 115, 119 

 interstitial water, 121 

 relation to sorbed P, 142 

 temporal variations, 116 

 variations among ponds, 145 

 Dissolved total phosphorus, 

 interstitial water, 121 

 Dissolved unreactive 



phosphorus, 116,132 

 diel and seasonal variations, 



117 

 from sediments, 132 

 in snow, 116 

 interstitial water, 121 

 Diversity, 1 

 DOC. See Dissolved organic 



carbon 

 DON. See Dissolved organic 



nitrogen 

 DRP. See Dissolved reactive 



phosphorus 

 DTP. See Dissolved total 



phosphorus 

 DUP. See Dissolved unreactive 



phosphorus 

 Dytiscid beetles, 22, 299, 301 



Eh. See Redox potential, 98 

 Emergence, benthos, 301 

 Energy cycling, tundra, 42 

 Energy, input, 42 

 Endogenous rhythm, 



photosynthesis, 210 

 Ephemeroptera, 14, 299 

 Epipelic algae. See Benthic algae 

 Ephippial eggs, 252 



Eriophorum, 38, 41, 229 

 Esatkuat Creek, 64 

 Evaporation 



factors affecting, 36 



measurement techniques, 67 



pan, 67 



rates, 36, 67 

 Evasion coefficient, carbon 



dioxide, 96 

 Excretion, in model, 430 



Fairyshrimp 



control of generation number, 

 276 



egg production, 259 



excretion, 133 



food limitation, 282 



life history, 14, 256 



oil pond, 403 



reproductive groups, 254 

 Feces, lemming, 362 

 Fertilization, 1 10 



artificial ponds, 115 



photosynthesis effects, 212 



plants, 237 



with P, 212 

 Filtering rates, Daphnia, 218 

 Food chain 



grazing, 8 



protozoan and 



micrometazoan, 9 

 Fish, 14, 22 

 Food quality, zooplankton, 288, 



292 

 Food supply, temperature 



effect, 13 

 Freeze-thaw description, 3, 60 

 Freezing, effect on ion 



concentration, 80 

 Freshwater habitats, 23 

 Fungi 



compared to bacteria, 397 



in ponds, 356 



in soils, 41 





