Measurement of in situ activities of nonphotosynthetic microorganisms in aquatic and terrestrial habitats.

INTRODUCTION ... . . . . . . . . .. .... . .. . . . . ..... . . . . . . . .. .. . . . . . . . . .. . 321 AUTECOLOGy. . . .. . . . ......... . . . .. . . ....... . . . . . 322 Techniques Used in Assessment of Autecological Activity .. . . . . . . .. . .. . . . . . . . . . . . . . . . . . . . . 323 Applications of Techniques Used in Assessment of Autecological Activity . . ... .. .. . . . . . 324 SyNECOLOGy.. . . . . . ....... . . . .... 329 Problems in Interpreting the Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . """"""""". 329 Radioisotopic Methods . . . . .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .. . . . . . . . . 332 Measurement of Cell Division . . . . . . . ... . . . ........ . . . ........ ... . . . .. . . . ...... ........ . . ....... 341 Comparisons Between Methods.. . . . . . . . .... . . . . . . . . . . .... . . . . . . . . . . . .... . . . . . . . . . . . . . . ... . . . . . . 343