INVESTIGADORES
AIZEN Marcelo Adrian
artículos
Título:
Crop pollination management needs flower‐visitor monitoring and target values
Autor/es:
GARIBALDI, LUCAS A.; SÁEZ, AGUSTÍN; AIZEN, MARCELO A.; FIJEN, THIJS; BARTOMEUS, IGNASI
Revista:
JOURNAL OF APPLIED ECOLOGY
Editorial:
WILEY-BLACKWELL PUBLISHING, INC
Referencias:
Año: 2020 vol. 57 p. 664 - 670
ISSN:
0021-8901
Resumen:
1. Despite the crucial importance of biotic pollination for many crops, land managers rarelymonitor the levels of crop pollination to guide farming decisions.2. The few existing pollination recommendations focus on a particular number of honey-bee orbumble-bee hives per crop area, but these guidelines do not accurately predict the actualpollination services that crops receive.3. We argue that pollination management for pollinator-dependent crops should be based on directmeasures of pollinator activity. We describe a protocol to quickly perform such a task bymonitoring flower visitation rates.4. We provide target values of visitation rates for crop yield maximisation for several importantcrops by considering the number of visits per flower needed to ensure full ovule fertilization. Ifvisitation rates are well below or above these target values, corrective measures should betaken.5. Detailed additional data on visitation rates for different species, morpho-species, or groups ofspecies and/or flower-visitor richness can improve pollination estimates.6. Synthesis and applications. We present target values of visitation rates for some globallyimportant pollinator-dependent crops and provide guidance on why monitoring the number anddiversity of pollinators is important, and how this information can be used for decision making.The implementation of flower monitoring programmes will improve management in manyaspects, including enhanced quality and quantity of crop yield and a more limited spillover ofmanaged (often exotic) pollinators from crop areas into native habitats, reducing their manypotential negative impacts.