Contents
V
CONTRIBUTORS TO VOLUME 3 -
-
- -
PREFACE -
- vii
The Distribution and Abundance of
Lake-Dwelling Triclads - towards a Hypothesis
T. B. REYNOLDSON
I. Introduction
-
11. The Taxonomy of the Triclads
-
111. The Pattern of Distribution and Abundance - -
A. Introduction and Field Methods
-
B. Results -
IV. Historical Aspects of Distributiqn and Abundance
V. Determinants of Distribution and Abundance
-
A. Weather -
-
B. A Place to Live
-
D. Organisms of the Same Species
E. Organisms of Different Species
A. The Total Triclad Population -
B. The Individual Species -
VII. Conclusions and Summary -
C. Food
-
-
-
VI. The Explanation of Distribution and Abundance -
-
Acknowledgments -
-
References -
Energetics, Terrestrial Field Studies,
and Animal Productivity
MANFRED D. ENCIELMANN
I. Introduction
-
- -
11. Three Approaches to Energetics Studies
111. Historical Considerations
-
IV. Physiological Studies which Yield Energetics Information
-
-
V. Studies Concerned Primarily with Maintenance Metabolism of
Populations in the Environment -
VI. Studies which Ernphaaize the Trophic Scheme Analysis of Communities
-
A. Trophic Dynamic Analysis of the Salt Marsh Ecotone
- -
B. Trophic Dynamic Analysis of “Old Field” Communities - -
C. Trophic StudiesinaSavttnnahCommunity
- - - -
- -
- -
A’
ix
1
4
6
6
12
20
28
29
30
34
40
43
63
63
66
62
63
64
73
74
78
84
87
96
96
98
103