Ecology. Report warns of looming pollination crisis in North America.
Holden
Constance
C
D000818:Animals; D001516:Bees / Q000469:parasitology; D044822:Biodiversity; D018556:Crops, Agricultural; D008925:Mites; D011058:Pollen; D011157:Population Dynamics; D027861:Prunus; D014481:United States