Carbon isotope ratio measurements of succulent plants in southern Africa H. A. MooneyJ. H. TroughtonJ. A. Berry OriginalPaper Pages: 295 - 305
Variable carbon isotope ratios of Dudleya species growing in natural environments J. H. TroughtonH. A. MooneyD. Verity OriginalPaper Pages: 307 - 311
Coexistence of similar zooplankton species by differential adaptation to reproduction and escape in an environment with fluctuating food and enemy densities Jürgen Jacobs OriginalPaper Pages: 313 - 329
Measurement of day-length as a basis for photoperiodism and annual periodicity in the Carabid beetle Pterostichus nigrita F. H. U. Thiele OriginalPaper Pages: 331 - 348
Differences in measurement of day-length and photoperiodism in two stocks from subarctic and temperate climates in the Carabid beetle Pterostichus nigrita F. H. U. Thiele OriginalPaper Pages: 349 - 365
The effects of nutrition and density on the production of alate Elatobium abietinum on Sitka spruce W. H. Parry OriginalPaper Pages: 367 - 375
Role of temperature in the germination ecology of three summer annual weeds Jerry M. BaskinCarol C. Baskin OriginalPaper Pages: 377 - 382
