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The worldwide decline in bee populations is threatening the delivery of pollination services, thus leading to the development of pollinator restoration strategies. In the United States, one way to protect and restore bee populations is to use seed mixes composed of pollinator-friendly native plants to revegetate federal lands following disturbance.

Scientists assessed the attractiveness and use by bees of 24 native plant species that are standard for revegetation projects (focal plants) on national forest lands in western Montana.

Forests are incredibly important to pollinators. Forest pollinators can also provide substantial economic benefits to neighboring agricultural areas, as a new global review paper discusses. Forest pollinators are easy to overlook – they are often highly seasonal, especially in temperate regions, and many are active far above our heads in the forest canopy.

Bees are declining in the U.S. and with them the pollination services on which people and wildlife depend. Several national forests have begun to include habitat restoration for bees in their forest plans. Justin Runyon, a Rocky Mountain Research Station research entomologist, and Montana State University scientists identified the most pollinator-friendly plants to include in seed mixes for use in restoration projects in the Northern Rockies.

The researchers developed a scorecard that managers can use to select pollinator-friendly mixes based on local factors such as budget, habitat type, or plant availability.

Pollinators are essential to the survival and health of natural ecosystems but are declining worldwide. Because of this, there is urgent need to restore pollinators and the services they provide. One way to address this need is to use pollinator-friendly plants in revegetation projects (roadsides, fire rehabilitation, etc.), but land managers lack information about which plants are best for pollinators. Rocky Mountain Research Station and partners at Montana State University are assessing the pollinator-friendliness of native plant species that are available for revegetation in Montana to produce a guide identifying the best species mixes to support the greatest number of species and abundance of pollinators. This webinar is part of our Science You Can Use series of land-management focused webinars.

Researchers at the University of New Hampshire have found a dramatic decline of 14 wild bee species that are, among other things, important across the Northeast for the pollination of major local crops like apples, blueberries and cranberries.

“We know that wild bees are greatly at risk and not doing well worldwide,” said Sandra Rehan, assistant professor of biological sciences. “This status assessment of wild bees shines a light on the exact species in decline, beside the well-documented bumble bees. Because these species are major players in crop pollination, it raises concerns about compromising the production of key crops and the food supply in general.”