Pollination services & bees
POLLINATION
 pollen is transferred in the reproduction of
plants, thereby enabling fertilization and sexual
reproduction....
BEES
 > 1mln insects named
 Exoskeleton, 3 pairs of legs, compound eyes, one
pair of antenna
 >20,000 bee species, est....
BEES
BEE
HONEY BEE
 Generalists
 Rent out hives
 Honey production
 Some carry pollen
(for “building” – close, as pollen is coll...
TOMATOES
 Wind
 Mechanical
shaking
 Bees
STINGLESS BEES (SIZE FROM 2MM)
CARPENTER BEE (SIZE EVEN 2.5CM)
CARPENTER BEE – STEALING NECTAR
CARPENTER BEE WITH POLLEN
CARPENTER BEE
THREATS
 Harmful practices (Clearing of natural areas,
Monocultures, Grazing, Pesticides)
 Invasion of non-native plant ...
HAND POLLINATION
GOOD PRACTICES
FORAGING – NESTING - SHELTER
E.g.
 Food sources
 Create nesting sites
 Corridors
 Consider blooming sea...
THANKS
Pollination services and bees
Pollination services and bees
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Pollination services and bees

Pollination services and pollinator diversity are essential in preserving food security and conservation of biodiversity. Bees are one of the very important pollinators. Besides the very well-known honeybees there are many other bee species that play significant roles.
Published on: Mar 4, 2016
Published in: Environment      Technology      Entertainment & Humor      
Source: www.slideshare.net


Transcripts - Pollination services and bees

  • 1. Pollination services & bees
  • 2. POLLINATION  pollen is transferred in the reproduction of plants, thereby enabling fertilization and sexual reproduction.  > 3/4 of food crops require pollinators  20% Abiotic  80% Biotic  Bees, butterflies, flies, bats, birds, rodents, etc.
  • 3. BEES  > 1mln insects named  Exoskeleton, 3 pairs of legs, compound eyes, one pair of antenna  >20,000 bee species, est. 7-9 families  6 families in Africa: 1. Colletidae 2. Andrenidae 3. Megachilidae 4. Halictidae 5. Apidae 6. Melittidae
  • 4. BEES
  • 5. BEE
  • 6. HONEY BEE  Generalists  Rent out hives  Honey production  Some carry pollen (for “building” – close, as pollen is collected more quickly), others nectar (far).  Threat: mites, fungi, Colony Collapse Disorder
  • 7. TOMATOES  Wind  Mechanical shaking  Bees
  • 8. STINGLESS BEES (SIZE FROM 2MM)
  • 9. CARPENTER BEE (SIZE EVEN 2.5CM)
  • 10. CARPENTER BEE – STEALING NECTAR
  • 11. CARPENTER BEE WITH POLLEN
  • 12. CARPENTER BEE
  • 13. THREATS  Harmful practices (Clearing of natural areas, Monocultures, Grazing, Pesticides)  Invasion of non-native plant and animals
  • 14. HAND POLLINATION
  • 15. GOOD PRACTICES FORAGING – NESTING - SHELTER E.g.  Food sources  Create nesting sites  Corridors  Consider blooming seasons (pesticides)
  • 16. THANKS

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