Subject Index 511 



polygon and trough, 53 



sediment description, 76 



temperature, 54 



water chemistry, 79 

 Pond studies, description, 20 

 Pond water, N, 100 

 Potassium 



Car ex, 362 



decomposition loss, 41 



interstitial water, 84 

 PP. See Particulate phosphorus 

 Precipitation. See Rainfall, 32, 



36, 53, 63 

 Predators, 4 

 Predation 



bacteria, 352 



controls Daphnia, 285 



controls microfauna, 382 



controls zooplankton, 264 



fish, 251 



invertebrate, 274 



midges, 322 



tadpole shrimp, 332 



tundra, 40 



zooplankton, 263 

 Primary production. See also 

 Photosynthesis 



Arctophila 



benthic and planktonic, 200 



by species, 190 



calculation, 190 



Carex, 230 



controls, 149, 180 



distribution, 6 



freshwater, 22 



general, 4 



N uptake, 108 



P interaction, 131 



ponds, 24, 188-189, 192 



roots and rhizomes, 38 



seasonal effect, 13 



sediment control, 213 



terrestrial, 38, 230 

 Procladius, 298, 301, 315, 322 



Production 



bacteria, 351, 353 



midges, 319, 322 



tadpole shrimp, 328 



zooplankton, 218, 264 

 Protozoa, 9 



arctic adaptation, 14, 380 



bacteria interactions, 9 



carbon flux, 378 



feeding rates, 379 



food control, 381 



generation time, 381 



grazing, 9, 354, 379 



P cycling, 9, 133, 

 383 



predation control, 382 



resistant stages, 14 



yield, 379 

 Ps. See Photosynthesis 

 Psectrocladius, 298, 305-307, 



309 

 PSI. See Phosphorus sorption 

 index 



QIO 

 algal Ps, 202 

 in model, 429 



Rainfall 



annual, 32, 53, 63 



chemistry, 82 



DOC affected, 155 



N concentration, 13, 106 



P concentration, 10, 13, 126 

 Redox potential, plant beds, 99 

 Replacement, phytoplankton 



species, 400 

 Resource limitation, Daphnia 



and fairyshrimp, 278 

 Respiration 



affects inorganic carbon, 87, 

 89 



affects oxygen, 97 



bacteria, 351 



