National Geographic : 2015 May
94 Typical commercial honeybee trucking routes States with bee colony loss over 50 percent Acres of pollinated crops per square mile by state 1to5 8to11 Less than 1 33 One square mile equals 640 acres. VIRGINIA W. MASON, JASON TREAT, AND MATTHEW TWOMBLY, NGM STAFF; MEG ROOSEVELT SOURCES: NICHOLAS CALDERONE, CORNELL UNIVERSITY; NATIONAL AGRICULTURAL STATISTICS SERVICE; ECONOMIC RESEARCH SERVICE, USDA *Oil crops include canola, sunflower, and rapeseed oil. Values are in 2010 U.S . dollars. Data exclude Alaska and Hawaii. 0 $0.5 billion $1 $1.5 $2 $2.5 ALMONDS APPLES ONIONS OIL CROPS* CHERRIES BROCCOLI BLUEBERRIES MELONS CARROTS CUCUMBERS AVOCADOS CRANBERRIES CAULIFLOWER GRAPEFRUIT RASPBERRIES The $2.8 billion almond industry could not exist without honey- bee pollination. Pollination needed for harvest to produce fruits and nuts Market value of crops pollinated by honeybees Pollination needed to produce seeds for planting At least 90 percent of each crop shown at left requires honeybee pollination. 1.7 million pollinated acres 2.3 million pollinated acres 617,000 pollinated acres N.H. MASS. R.I. N.J. CONN. DEL. MD. D.C. N.C. CALIF. FLA. MO. OKLA. S.C. GA. ALA. TENN. MISS. ARK. TEXAS LA. ILL. IND. PA. N.Y. VT. ME. VA. VA. W. KANSAS COLO. NEV. WYO. ARIZ. OREG. IDAHO N. DAK. MINN. I OWA NEBR. WASH. MICH. WIS. OHIO KY. S. DAK. N. MEX. UTAH MONT. MONT. 1.6 million hives pollinate almonds in February and March. Bees overwinter in the southernmost states. Some hives are moved east and south to pollinate other crops during the summer and fall. Nearly 80 percent of hives are moved north by early summer. APPLES ALMONDS APPLES APPLES SUNFLOWERS SUNFLOWERS GRAPEFRUIT BLUEBERRIES BLUEBERRIES CANOLA CANOLA MELONS SUNFLOWERS MELONS CRANBERRIES SUNFLOWERS SUNFLOWERS SUNFLOWERS SUNFLOWERS CHERRIES CHERRIES Bees on the Move Commercial beekeepers transport the insects thousands of miles around the country every year to pollinate crops when they’re in bloom. According to the Department of Agriculture, one-third of the foods in the U.S. diet rely on bees and other pollinators.