A Natural History of Change in Native Bees Associated with Lowbush Blueberry in Maine

Drummond, Francis A.; Dibble, Alison C.; Stubbs, Constance S.; Bushmann, Sara L.; Ascher, John S.; Ryan, Jennifer

doi:10.1656/045.024.m1502

Cited by 21 publications

(11 citation statements)

References 68 publications

(51 reference statements)

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“…In this analysis, the pollination value of wild bees was estimated based on allocating attributable net income between rented honey and wild bees based on producers' estimates of the percent fruit set from wild bees. While for wild blueberry these estimates were consistent with measured field data [61,73,74], we have no similar data for cranberry to validate producers' estimates ( Figure 4), so caution should be taken when interpreting the results for cranberry. While grower estimates of crop yield, managed bee stocking densities, and wild bee contribution to fruit is subject to bias and inaccuracies, previous work has shown that such data can be very reliable, and at times more accurate than concurrent government farm census data [75].…”

Section: Improving Valuation Metrics Of Wild Bee Pollinationsupporting

confidence: 53%

What Is the Value of Wild Bee Pollination for Wild Blueberries and Cranberries, and Who Values It?

et al. 2018

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Pollinator conservation efforts and growing interest in wild bee pollination have increased markedly in the last decade, making it increasingly important to have clear and practical estimates of the value of pollinators to agriculture. We used agricultural statistics, socio-economic producer surveys, and agronomic field research data to estimate traditional pollination value metrics and create novel approaches to the valuation of the ecosystem services provided by wild pollinators. Using two regionally important United States (USA) crops—Maine wild blueberry and Massachusetts cranberry—as models, we present the perceived values of wild bee pollinators from the perspectives of both consumers and producers. The net income attributable to wild bees was similar for wild blueberry ($613/ha) and cranberry ($689/ha). Marginal profit from incrementally adding more hives per ha was greater from stocking a third/fourth hive for cranberry ($6206/ha) than stocking a ninth/10th hive for wild blueberry ($556/ha), given the greater initial responsiveness of yield, revenue, and profit using rented honey bee hives in cranberry compared with wild blueberry. Both crops’ producers were willing to annually invest only $140–188/ha in wild pollination enhancements on their farms, justifying government financial support. Consumers are willing to pay ≈6.7 times more to support wild bees than producers, which indicates a potential source for market-based subsidies for invertebrate conservation.

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Section: Improving Valuation Metrics Of Wild Bee Pollinationsupporting

confidence: 53%

What Is the Value of Wild Bee Pollination for Wild Blueberries and Cranberries, and Who Values It?

et al. 2018

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“…In this analysis, the pollination value of native bees was estimated based on allocating ANI between rented honey and native bees based on producers' estimates of percent fruit set from native bees. While for wild blueberry these estimates were consistent with measured field data [63,64], cranberry in our study did not have field data that could be used to validate producers' estimates of percent fruit set from native bees (Figure 3).…”

Section: Improving Valuation Metrics Of Native Bee Pollinationsupporting

confidence: 66%

What Is the Value of and Who Values Native Bee Pollination for Wild Blueberries and Cranberries?

Ak¹,

Drummond²,

Stevens³

et al. 2018

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Recent pollinator declines have focused efforts on their conservation which require clear estimates of pollination value to agriculture. Our socio-economic producer surveys and agronomic field research data were used to present a new way of estimating ecosystem service value of native pollinators. Using two regionally important U.S.A. crops, Maine wild blueberry and Massachusetts cranberry as models, we present perceived values of native bee pollinators from both consumer and producers. Wild blueberry’s Replacement Cost (RC) was greater than Attributable Net Income (ANI), since greater rented honey bee stocking densities are required. Attributable Net Income for native bees were similar for wild blueberry ($613/ha) and cranberry ($689/ha). Marginal Net Farm Income (MNFI) from incrementally adding more hives per ha was greater from stocking a third/fourth hive per ha for cranberry ($6,206) than stocking a ninth/tenth hive per ha for wild blueberry ($556), given greater responsiveness of yield, revenue, and profit to using rented honey bee hives in cranberry compared to wild blueberry. Both crops’ producers were only willing to annually invest $140–188/ha in native pollination enhancements on their farms, justifying government support. Consumers are willing to pay ~6.7 times more to support native bees than producers, supporting market-based support for invertebrate conservation.

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“…Air temperatures are expected to increase by 1.1-1.7 • C in the primary lowbush blueberry producing regions of North America by 2050 due to climate change [19]. Already, growers in Maine are experiencing a growing season that has increased by one month since 1950 resulting in an increase in pests and pathogens [20], fall bloom [21] and 50% more days with precipitation during bloom [22].Vaccinium angustifolium is believed to be one of the first blueberry species to be managed in North America. Clearing and burning of forests by Native Americans for harvesting occurred before the arrival of Europeans [23].…”

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confidence: 99%

Genetic Diversity of Lowbush Blueberry throughout the United States in Managed and Non-Managed Populations

Beers¹,

Rowland

Drummond

2019

Agriculture

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Expressed sequenced tagged-polymerase chain reaction (EST-PCR) molecular markers were used to evaluate the genetic diversity of lowbush blueberry across its geographic range and to compare diversity among four paired managed/non-managed populations. Seventeen populations were sampled in a north–south transect throughout the eastern United States with 27 km to 1600 km separating populations. The majority of genetic variation was found within populations (75%) with each population genetically unique (p ≤ 0.0001) with the exception of the Jonesboro, ME, and Lubec, ME, populations. The effects of management for commercial fruit harvesting on genetic diversity were investigated in four locations in Maine with paired managed and non-managed populations. Significant differences were found between the populations indicating that commercial management for fruit production influences the diversity of lowbush blueberries in the landscape, even though planting does not occur. Forests are harvested and the existing understory blueberry plants become established.

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A Natural History of Change in Native Bees Associated with Lowbush Blueberry in Maine

Cited by 21 publications

References 68 publications

What Is the Value of Wild Bee Pollination for Wild Blueberries and Cranberries, and Who Values It?

What Is the Value of Wild Bee Pollination for Wild Blueberries and Cranberries, and Who Values It?

What Is the Value of and Who Values Native Bee Pollination for Wild Blueberries and Cranberries?

Genetic Diversity of Lowbush Blueberry throughout the United States in Managed and Non-Managed Populations

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