1. A succession of paradigms in ecology: Essentialism to materialism and probabilism

   • Daniel Simberloff

   OriginalPaper Pages: 3 - 39

2. A note on Simberloff's ‘succession of paradigms in ecology’

   • Marjorie Grene

   OriginalPaper Pages: 41 - 45

3. Dialectics and reductionism in ecology

   • Richard Levins
   • Richard Lewontin

   OriginalPaper Pages: 47 - 78

4. Reply

   • Daniel Simberloff

   OriginalPaper Pages: 79 - 93

5. The domain of laboratory ecology

   • David B. Mertz
   • David E. McCauley

   OriginalPaper Pages: 95 - 110

6. Ecology — A mixture of pattern and probabilism

   • T. R. E. Southwood

   OriginalPaper Pages: 111 - 122

7. Two metaphors of the niche

   • James W. Haefner

   OriginalPaper Pages: 123 - 153

8. Systems approach to the concept of niche

   • B. C. Patten
   • G. T. Auble

   OriginalPaper Pages: 155 - 181

9. IUHPS / DLMPS bulletin no. 4

   • Jens Erik Fenstad

   Announcement Pages: 183 - 192