1. Diurnal primary production patterns in seven lakes and ponds in Alberta (Canada)

   • R. Stewart Anderson

   OriginalPaper Pages: 1 - 17

2. Attraction of male gypsy and nun moths to disparlure and some of its chemical analogues

   • D. Schneider
   • R. Lange
   • B. A. Bierl

   OriginalPaper Pages: 19 - 36

3. Sub-community structure in subtidal meiobenthic harpacticoida

   • D. J. Hartzband
   • W. D. Hummon

   OriginalPaper Pages: 37 - 51

4. Die regelung der individuendichte bei libellenmännchen (Aeschna cyanea, Odonata)

   • Heinrich Kaiser

   OriginalPaper Pages: 53 - 74

5. Identity and regulation of nutrients limiting phytoplankton production in the shallow estuaries near Beaufort, N.C.

   • Gordon W. Thayer

   OriginalPaper Pages: 75 - 92

6. Geographic variation in the responses of guppies (Poecilia reticulata) to aerial predators

   • B. H. Seghers

   OriginalPaper Pages: 93 - 98

7. Structure of the mating calls and relationships of the European tree frogs (Hylidae, anura)

   • Hans Schneider

   OriginalPaper Pages: 99 - 110

8. Decomposition of elephant dung in an arid, tropical environment

   • J. M. Anderson
   • M. J. Coe

   OriginalPaper Pages: 111 - 125

9. Der einfluß von NaCl auf die atmung und aktivität der malatdehydrogenase bei einigen halophyten und glykophyten

   • Dieter Joachim von Willert

   OriginalPaper Pages: 127 - 137

10. Ethologische, autökologische und ökophysiologische untersuchungen anElaphrus cupreus Dft. undElaphrus riparius L. (Coleoptera, Carabidae)

    • Thomas Bauer

    ReviewPaper Pages: 139 - 196