1. Time-related predator/prey interactions between birds and fish in a northern Swedish river

   • Kjell Sjöberg

   Original Papers 13 March 2013 Pages: 1 - 10

2. Water use efficiency and carbon isotope composition of plants in a cold desert environment

   • Nancee L. Toft
   • Jay E. Anderson
   • Robert S. Nowak

   Original Papers 13 March 2013 Pages: 11 - 18

3. Woody plant invasion of grasslands: establishment of honey mesquite (Prosopis glandulosa var.glandulosa) on sites differing in herbaceous biomass and grazing history

   • J. R. Brown
   • Steve Archer

   Original Papers 13 March 2013 Pages: 19 - 26

4. Aerial root nodules in the tropical legume,Pentaclethra macroloba

   • Cynthia A. Walter
   • Amos Bien

   Original Papers 13 March 2013 Pages: 27 - 31

5. Behavioural thermoregulation of the Andean toad (Bufo spinulosus) at high altitudes

   • Ulrich Sinsch

   Original Papers 13 March 2013 Pages: 32 - 38

6. Digestive enzymes of the saltmarsh periwinkleLittorina irrorata (Mollusca: Gastropoda)

   • Felix Bärlocher
   • Thomas L. Arsuffi
   • Steven Y. Newell

   Original Papers 13 March 2013 Pages: 39 - 43

7. Periodicity in growth, productivity, nutrient content and decomposition ofSphagnum recurvum var.mucronatum in a fen woodland

   • Theo C. M. Brock
   • Rob Bregman

   Original Papers 13 March 2013 Pages: 44 - 52

8. The value of a leaf

   • John L. Harper

   Original Papers 13 March 2013 Pages: 53 - 58

9. The effect of leaf-lobing on the interception of direct solar radiation

   • Karl J. Niklas

   Original Papers 13 March 2013 Pages: 59 - 64

10. Individual foraging in the antPachycondyla apicalis

    • S. Goss
    • D. Fresneau
    • J. Valenzuela-Gonzalez

    Original Papers 13 March 2013 Pages: 65 - 69

11. Social organization of the bank vole (Clethrionomys glareolus, Schreber 1780) and its demographic consequences: a model

    • Gabriela Bujalska
    • Leszek Grüm

    Original Papers 13 March 2013 Pages: 70 - 81

12. Analysis of feeding preference experiments

    • Charles H. Peterson
    • Paul E. Renaud

    Original Papers 13 March 2013 Pages: 82 - 86

13. A multifactorial study of variation in interclutch interval and annual reproductive success in the feral pigeon,Columba livia

    • Steven G. Johnson
    • Richard F. Johnston

    Original Papers 13 March 2013 Pages: 87 - 92

14. Biology and ecology of theDusmoecetes Jeannel (Col. Curculionidae) species complex on Marion Island

    • S. L. Chown
    • C. H. Scholtz

    Original Papers 13 March 2013 Pages: 93 - 99

15. Flexible search tactics and efficient foraging in saltatory searching animals

    • W. John O'Brien
    • Barbara I. Evans
    • Howard I. Browman

    Original Papers 13 March 2013 Pages: 100 - 110

16. Growth characteristics, nutrient allocation and photosynthesis ofCarex species from floating fens

    • Henk Konings
    • Edwin Koot
    • Anita Tijman-de Wolf

    Original Papers 13 March 2013 Pages: 111 - 121

17. Plant biomass partitioning and chemical defense: Response to defoliation and nitrate limitation

    • Charles A. Mihaliak
    • David E. Lincoln

    Original Papers 13 March 2013 Pages: 122 - 126

18. Continuous basal sprouting from a lignotuber:Arbutus unedo L. andErica arborea L., as woody Mediterranean examples

    • François Mesléard
    • Jacques Lepart

    Original Papers 13 March 2013 Pages: 127 - 131

19. Effect of fluctuating rhizosphere redox potential on carbon assimilation ofSpartina alterniflora

    • S. R. Pezeshki
    • R. D. DeLaune
    • W. H. Patrick Jr.

    Original Papers 13 March 2013 Pages: 132 - 135

20. Effects of insect damage on photosynthesis, transpiration and SO₂ uptake by sycamore

    • S. Warrington
    • D. A. Cottam
    • J. B. Whittaker

    Original Papers 13 March 2013 Pages: 136 - 139

21. An undersirable property of Hill's diversity indexN ₂

    • Raghavendra Gadagkar

    Short Communications 13 March 2013 Pages: 140 - 141

22. The importance of song and vibratory signals in the behaviour of the bushcricketEphippiger ephippiger Fiebig (Orthoptera, Tettigoniidae): taxis by females

    • Oliver Stiedl
    • Klaus Kalmring

    Short Communications 13 March 2013 Pages: 142 - 144