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Bumblebee Economics

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Author(s): Bernd Heinrich
Publisher: Harvard Business Review
Year: 1979

Language: English
Pages: 252

Contents (ix)......Page 7
Introduction (1)......Page 8
1. The Colony Cycle (7)......Page 13
2. Economy of the Colony (23)......Page 28
3. The Flight Machine and Its Temperature (39)......Page 43
4. Warming Up (55)......Page 59
5. Heating the Nest (65)......Page 69
6. The Heat Transfer System (79)......Page 83
7. Juggling Costs and Benefits (95)......Page 99
8. Commuting and Foraging Movements (109)......Page 113
9. Foraging Optimization by Individual Initiative (123)......Page 127
10. Competition between Species (147)......Page 151
11. Pollination and Energetics (161)......Page 165
12. Ecology and Coevolution (179)......Page 183
Summary (201)......Page 205
Appendix A. How to Rear Bumblebees (207)......Page 211
Appendix B. The Bumblebees of North America (215)......Page 219
References (221)......Page 225
Index (231)......Page 235