566 



Index 



nutrition, 356-360, 375, 380, 

 409 



predation, 360-371, 374-375 



predators, 339 



Prudhoe Bay, 384 



reproduction, 350-351, 360, 

 377, 380, 382-383, 399-401 



standing crop, 464 



survival rate, 341-343 



thermoregulation, 350 

 Lichens 



biomass, 463 



nitrogen fixation, 238 

 Lipid 



see TNC 



Mesophyll resistance, 106 

 Microbial activity, 291 



moisture, 305, 307 



organic matter turnover, 423 



oxygen concentrations, 306 



temperature, 399 

 Microbial biomass, 291, 293, 473 



model, 327-328 

 Microbial growth 



temperature, 299-302 

 Microbial maintenance, 328-330 

 Microbial metabolism, 334 



oxygen, 307-309 

 Microbial respiration, 330, 333 



influence of temperature, 

 299-302 



model, 310-324 



substrate chemistry, 318-321 



weight loss, 321-324 

 Microbivores, 441 

 Microclimate, 4, 30, 44-51, 74 

 Microflora, 255-290 



biomass, 289 



environmental influences, 

 287-288, 298-309 



species diversity, 288 



utilization of substrate, 

 294-298 



see also Algae, Bacteria, 



Fungi, Yeasts 

 Microorganisms 

 consumption, 457 

 production, 441 

 respiration, 439 

 Microtine rodents, 337 



see also Lemmings, Weasels 

 Microtopography, 16-21 

 Models 

 avian predation, 370-371 

 box and arrow, viii 

 canopy photosynthesis, 71-74, 



79 

 caribou population energetics, 



395-398 

 caribou rumen function, 



394-395 

 decomposition, 309-326 

 ecological, viii 

 lemming energetics, 348 

 lemming nest temperatures, 



350-351 

 lemming nutrients, 357-360 

 microbial biomass, 327-328 

 nitrogen fixation, 238-239 

 plant-water relations, 97-100 

 snowmelt, 58-61 

 soil thaw, 87-90 

 stand photosynthesis, 120-137 

 surface equilibrium tempera- 

 ture, 37 

 Mosses, 237 

 photosynthesis, 112-114, 



115-119 

 role in nutrient cycling, 



477-478 



Nematoda 

 abundance, 421 

 biomass, 414-415 

 density, 414 



distribution in soil, 419-420 

 trophic function, 414 



