Pollinators in High-Elevation Ecosystems: Relative Effectiveness of Birds and Bees

Pollinators in High-Elevation Ecosystems: Relative Effectiveness of Birds and Bees

During the rainy season bird-flowered plants at high elevations are more effectively pollinated than closely related bee-flowered plants. With good flight conditions the effectiveness of birds and bees is essentially equal. Thus, the higher incidence of bird flowers at higher elevations is attributa...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1972-06, Vol.176 (4042), p.1439-1440
1. Verfasser: Cruden, Robert W.
Format: Artikel
Sprache:eng
Schlagworte:
Bees
Birds
Fecundity
Flight conditions
Flowers
Insect pollination
Plants
Pollination
Rainy seasons
Seed set
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Beschreibung
Zusammenfassung:During the rainy season bird-flowered plants at high elevations are more effectively pollinated than closely related bee-flowered plants. With good flight conditions the effectiveness of birds and bees is essentially equal. Thus, the higher incidence of bird flowers at higher elevations is attributable in part to the competitive advantage gained through greater reproductive success.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.176.4042.1439