Bumblebees in the agricultural landscape of Estonia
Bumblebees are valuable pollinators of crops as well as native plants but their populations have declined in many parts of western Europe during recent decades. Their decline has been greatest in intensively managed agricultural areas and associated with the decline in suitable forage plants. The ob...
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Veröffentlicht in: | Agriculture, ecosystems & environment ecosystems & environment, 2002-04, Vol.89 (1), p.69-76 |
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Format: | Artikel |
Sprache: | eng |
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