Preface and
Acknowledgements
|
Summary and
conclusions
|
Sammenfatning og
konklusioner
|
1 Introduction
(Esbjerg, P. & Petersen, B.S.) |
| 1.1 |
Background |
| 1.2 |
Overall
project design |
| 1.2.1 |
Aim and
conditions |
| 1.2.2 |
Selection
of pesticides |
| 1.2.3 |
Selection
of crops and farms |
| 1.2.4 |
Pesticide
dosages |
| 1.2.5 |
Field plots |
| 1.2.6 |
Study sites |
| 1.2.7 |
Data sampling |
| 1.2.8 |
Weather
conditions |
| 1.2.9 |
Yield
effects and economy |
| 1.2.10 |
Statistical
analyses
|
2 Wild flora
(Jensen, A.-M.M. & Johnsen, I.) |
| 2.1 |
Pilot studies |
| 2.1.1 |
Methods
(pilot study) |
| 2.1.2 |
Results
(pilot study) |
| 2.1.3 |
Conclusions
(pilot study) |
| 2.2 |
Vegetation
studies |
| 2.2.1 |
Methods |
| 2.2.2 |
Results |
| 2.2.3 |
Discussion |
| 2.3 |
Seed rain study |
| 2.3.1 |
Methods |
| 2.3.2 |
Results |
| 2.3.3 |
Discussion |
| 2.4 |
Summary
of dosage effects
|
3 Arthropods
(Navntoft, S. & Esbjerg, P.) |
| 3.1 |
Pilot studies |
| 3.1.1 |
Methods
(pilot study) |
| 3.1.2 |
Statistical analyses (pilot
study) |
| 3.1.3 |
Results
(pilot study) |
| 3.1.4 |
Discussion
(pilot study) |
| 3.2 |
Main
studies 1997-1999 |
| 3.2.1 |
Methods |
| 3.2.2 |
Results |
| 3.2.3 |
Discussion
|
4 Birds
(Petersen, B.S.) |
| 4.1 |
Pilot studies |
| 4.1.1 |
Breeding
season 1996 |
| 4.1.2 |
Winter studies |
| 4.2 |
Methods |
| 4.2.1 |
Breeding
season counts |
| 4.2.2 |
Autumn counts |
| 4.3 |
Results |
| 4.3.1 |
Breeding
season counts |
| 4.3.2 |
Autumn counts |
| 4.4 |
Discussion |
| 4.4.1 |
How many more birds at
reduced dosages?
|
5 Yield and economy
(Jensen, A.-M.M., Rasmussen, C., Rasmussen, S. & Esbjerg, P.) |
| 5.1 |
Yield and
vegetation in cereal fields
(Jensen, A.-M.M.) |
| 5.1.1 |
Purpose |
| 5.1.2 |
Methods |
| 5.1.3 |
Results |
| 5.1.4 |
Discussion |
| 5.2 |
Yield in sugar beets
(Esbjerg, P.) |
| 5.2.1 |
Sampling |
| 5.2.2 |
Yields
estimated |
| 5.3 |
Clean-up decisions
(Jensen, A.-M.M.) |
| 5.3.1 |
Purpose |
| 5.3.2 |
Method |
| 5.3.3 |
Results |
| 5.3.4 |
Discussion |
| 5.4 |
Profitability
analysis
(Rasmussen, C. & Rasmussen, S.) |
| 5.4.1 |
Purpose |
| 5.4.2 |
Method |
| 5.4.3 |
Results |
| 5.4.4 |
Discussion |
| 5.4.5 |
Conclusion
|
6 Combined analyses
(Petersen, B.S. & Navntoft, S.) |
| 6.1 |
Methods |
| 6.1.1 |
Analysis
of the occurrence of arthropods in relation to vegetation |
| 6.1.2 |
Analysis
of breeding season bird counts in relation to the abundance of weeds and arthropods |
| 6.1.3 |
Analysis
of autumn bird counts in relation to the abundance of seeds |
| 6.2 |
Results
and discussion |
| 6.2.1 |
Arthropods |
| 6.2.2 |
Breeding
season bird counts |
| 6.2.3 |
Autumn bird
counts
|
7 General discussion
(Petersen, B.S., Jensen, A.-M.M., Navntoft, S. & Esbjerg, P.) |
| 7.1 |
Wild flora |
| 7.2 |
Arthropods |
| 7.3 |
Birds |
| 7.4 |
Yield and
economy |
| 7.5 |
Biodiversity
vs. economy: getting the balance right
|
8 Conclusions and
perspectives
(Esbjerg, P. & Johnsen, I.) |
| 8.1 |
Conclusions |
| 8.2 |
Perspectives
for the future
|
9 References
|