Pollination reservoirs for wild bee habitat enhancement in cropping systems: a review

Venturini, Eric; Drummond, Francis A.; Hoshide, Aaron Kinyu; Dibble, Alison C.; Stack, Lois Berg

doi:10.1080/21683565.2016.1258377

Cited by 73 publications

(56 citation statements)

References 204 publications

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“…Research increasingly shows that native wildflower plantings support higher native pollinator populations [6,45,46]. We used two methods to quantify floral resource availability for pollinators, manual floral counts and estimated floral area using a remote sensing UAV approach.…”

Section: Discussionmentioning

confidence: 99%

Remotely Estimating Beneficial Arthropod Populations: Implications of a Low-Cost Small Unmanned Aerial System

et al. 2018

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Studies show that agricultural land requires investment in the habitat management of non-cropped areas to support healthy beneficial arthropods and the ecosystem services they provide. In a previous small plot study, we manually counted blooms over the season, and found that plots providing greater numbers of flowers supported significantly higher pollinator populations over that of spontaneous weed plots. Here, we examined the potential of deploying an inexpensive small unmanned aerial vehicle (UAV) as a tool to remotely estimate floral resources and corresponding pollinator populations. Data were collected from previously established native wildflower plots in 19 locations on the University of Georgia experimental farms in South Georgia, USA. A UAV equipped with a lightweight digital camera was deployed to capture images of the flowers during the months of June and September 2017. Supervised image classification using a geographic information system (GIS) was carried out on the acquired images, and classified images were used to evaluate the floral area. The floral area obtained from the images positively correlated with the floral counts gathered from the quadrat samples. Furthermore, the floral area derived from imagery significantly predicted pollinator populations, with a positive correlation indicating that plots with greater area of blooming flowers contained higher numbers of pollinators.

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Section: Discussionmentioning

confidence: 99%

Remotely Estimating Beneficial Arthropod Populations: Implications of a Low-Cost Small Unmanned Aerial System

et al. 2018

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“…The diversity of interacting variables makes it challenging to conduct studies and develop robust guidance for producers. For instance, the ratio of agroforestry practice to crop area in order to supply sufficient pollination service is largely unexplored [164]. One study demonstrated that native bees can provide full pollination services for watermelon (Citrullus lanatus Thunb.)…”

Section: Crop Pollination Servicesmentioning

confidence: 99%

Temperate Agroforestry Systems and Insect Pollinators: A Review

Bentrup

Hopwood

Adamson

et al. 2019

Forests

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Agroforestry can provide ecosystem services and benefits such as soil erosion control, microclimate modification for yield enhancement, economic diversification, livestock production and well-being, and water quality protection. Through increased structural and functional diversity in agricultural landscapes, agroforestry practices can also affect ecosystem services provided by insect pollinators. A literature review was conducted to synthesize information on how temperate agroforestry systems influence insect pollinators and their pollination services with particular focus on the role of trees and shrubs. Our review indicates that agroforestry practices can provide three overarching benefits for pollinators: (1) providing habitat including foraging resources and nesting or egg-laying sites, (2) enhancing site and landscape connectivity, and (3) mitigating pesticide exposure. In some cases, agroforestry practices may contribute to unintended consequences such as becoming a sink for pollinators, where they may have increased exposure to pesticide residue that can accumulate in agroforestry practices. Although there is some scientific evidence suggesting that agroforestry practices can enhance crop pollination and yield, more research needs to be conducted on a variety of crops to verify this ecosystem service. Through a more comprehensive understanding of the effects of agroforestry practices on pollinators and their key services, we can better design agroforestry systems to provide these benefits in addition to other desired ecosystem services.

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“…, Venturini et al. ). At the landscape scale, wild bees track resources from forests to agricultural fields and meadows throughout the year (Mandelik et al.…”

Section: Introductionmentioning

confidence: 98%

“…To the extent that they mediate floral and nesting resource availability, both local agricultural management and landscape context influence wild bee populations in agroecosystems (Ricketts et al 2008, Lonsdorf et al 2009, Kennedy et al 2013, Garibaldi et al 2014, Mallinger et al 2016. At the local scale, enhancing the density and diversity of flowers in hedgerows (Payette andDe Oliveira 1989, Schulp et al 2014), field margins (Rands and Whitney 2010), flower strips (Haaland et al 2011, Wratten et al 2012, and (semi-) natural land nearby farms (Martins et al 2015) can increase wild bee abundance and diversity (Garibaldi et al 2014, Venturini et al 2016. At the landscape scale, wild bees track resources from forests to agricultural fields and meadows throughout the year (Mandelik et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Complementary crops and landscape features sustain wild bee communities

Martins

Albert²,

Lechowicz

et al. 2018

Ecological Applications

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Wild bees, which are important for commercial pollination, depend on floral and nesting resources both at farms and in the surrounding landscape. Mass-flowering crops are only in bloom for a few weeks and unable to support bee populations that persist throughout the year. Farm fields and orchards that flower in succession potentially can extend the availability of floral resources for pollinators. However, it is unclear whether the same bee species or genera will forage from one crop to the next, which bees specialize on particular crops, and to what degree inter-crop visitation patterns will be mediated by landscape context. We therefore studied local- and landscape-level drivers of bee diversity and species turnover in apple orchards, blueberry fields, and raspberry fields that bloom sequentially in southern Quebec, Canada. Despite the presence of high bee species turnover, orchards and small fruit fields complemented each other phenologically by supporting two bee genera essential to their pollination: mining bees (Andrena spp.) and bumble bees (Bombus spp.). A number of bee species specialized on apple, blueberry, or raspberry blossoms, suggesting that all three crops could be used to promote regional bee diversity. Bee diversity (rarefied richness, wild bee abundance) was highest across crops in landscapes containing hedgerows, meadows, and suburban areas that provide ancillary nesting and floral resources throughout the spring and summer. Promoting phenological complementarity in floral resources at the farmstead and landscape scales is essential to sustaining diverse wild bee populations.

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Pollination reservoirs for wild bee habitat enhancement in cropping systems: a review

Cited by 73 publications

References 204 publications

Remotely Estimating Beneficial Arthropod Populations: Implications of a Low-Cost Small Unmanned Aerial System

Remotely Estimating Beneficial Arthropod Populations: Implications of a Low-Cost Small Unmanned Aerial System

Temperate Agroforestry Systems and Insect Pollinators: A Review

Complementary crops and landscape features sustain wild bee communities

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