CONTENTS
VJII. Predators of Broom Insects
A. The Precipitin Tent
-
B. Bionomica of some Predacious Arthropod8 on Broom
C. Interrelations betweon Anthocorida and Peyllida -
D. Predators other than Ineeota -
E. General Considerations -
IX. Dispersal by Flight of the Populations of Broom Insects.
X. Final Considerations -
Acknowledgments
Referenoee -
Y
xi
178
178
179
185
186
188
189
196
202
202
Ecology of Fire in Gramlands
R. DAUBENMBE
I. Introduction
-
II. Measurement of Temperaturea during Vegetation Pbw
111. The Ch&ter of Gram Firea
- - -
IV. Subsequent Effecta on Environment -
A. Temperature - . -
B. Organic Matter
-
C. Eroeion -
E. Soilchemistry
.
F. Microclimata -
G. SoilBiota
-
H. Above-ground Animah -
-
D. S o i l M o i e t ~ -
-
V. Effecta on the Individual Vesculer Plant
- - -
A. Damage
-
- -
B. Chemical Composition -
- -
E. Vigor (eize) -
- - - .
F. Vitality (flowering)
-
- .
G . P h t F o ~ n - -
. . - -
H. SeedSurvivalandGermination - - - -
VI. EffecteonPlantCommunities - - - -
B. Changea in Density and Productivity
- -
C. Moisture Content -
D. Phenology
-
A. chengea in Flora - - - - . - -
VII. TimeRelationa - - . - - -
VIII. Burning ve~lllll Mowing
- - .
Conclusion - - - - -
Referenotxi -
AUTHOBINDEX -
SVBJEOTINDEX -
209
212
213
218
218
220
222
223
225
230
230
23 1
233
233
237
24 2
242
243
244
247
241
248
248
250
254
254
266
267
261
273