The nutritional landscape in agroecosystems: a review on how resources and management practices can shape pollinator health in agricultural environments

Annals of the Entomological Society of America, Journal Year: 2023, Volume and Issue: 116(5), P. 261 - 275

Published: July 25, 2023

Abstract Pollinator nutrition is a highly complex subject that we are just starting to unravel, from the multidimensional nature of bee forage (pollen and nectar) how abiotic environment can affect resources available bees. Doing so utmost importance, as improving pollinator resource availability one proposed mechanisms improve populations health. However, landscape change has changed naturally for pollinators. Farmland cropping systems create unique nutritional pollinators, with agroecosystems typically containing few crops dominating along natural corridors noncrop plants. The types planted surrounding will ultimately bees have access to. Even management practices in agriculture pests controlled will, directly indirectly, health nutrition. Hence, better understanding agricultural ecosystems warranted. This review synthesizes research on ecology landscapes advance our agriculture.

Language: Английский

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Seasonal variation in the general availability of floral resources for pollinators in northwest Europe: A review of the data

Biological Conservation, Journal Year: 2024, Volume and Issue: 298, P. 110774 - 110774

Published: Aug. 27, 2024

Language: Английский

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Honey Bees Prefer Pollen Substitutes Rich in Protein Content Located at Short Distance from the Apiary

Animals, Journal Year: 2023, Volume and Issue: 13(5), P. 885 - 885

Published: Feb. 28, 2023

The availability of floral resources is crucial for honey bee colonies because it allows them to obtain protein from pollen and carbohydrates nectar; typically, they consume these nutrients in the form bread, which has undergone fermentation. However, intensification agriculture, urbanization, changes topography, harsh environmental conditions are currently impacting foraging sites due habitat loss scarcity food resources. Thus, this study aimed assess preference various substitute diet compositions. Bee perform poorly specific problems, ultimately result scarcity. Pollen substitutes located at distance hive were also investigated addition determining preferences bees diets. local (Apis mellifera jemenitica) different diets (four main treatments, namely, chickpea flour, maize sorghum wheat flour; each flour was further mixed with cinnamon powder, turmeric only, both powder) used. used as a control. best performing placed 10, 25, 50 m distances apiary. Maximum visits observed on (210 ± 25.96) followed by only (205 19.32). there variability (F (16,34) = 17.91; p < 0.01). In addition, significant difference consumption control (576 58.85 g) (463.33 42.84 g), compared rest 29.75; Similarly, efforts differed significantly (p 0.01) time 7-8 A.M., 11-12 4-5 P.M. away Honey preferred visit source that closest hive. This should be very helpful beekeepers supplementing their when shortage or unavailability pollens, much better keep near Future research needs highlight effect health colony development.

Language: Английский

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Assessing foraging landscape quality in Quebec's commercial beekeeping through remote sensing, machine learning, and survival analysis

Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 374, P. 124157 - 124157

Published: Jan. 21, 2025

Honey bees (Apis mellifera) play an important role in our agricultural systems. In recent years, beekeepers have reported high colony mortality rates several parts of the world. Inadequate foraging landscapes are often cited as a major factor deterring honey bee health. Few studies, if any, yet used large-scale datasets to assess quality encountered commercial pollination activities. Here, we coupled unique dataset comprising georeferenced reports on 17,743 colonies province Quebec, Canada, with data derived from satellite remote sensing, compute landscape metrics at each visited location. We ran Cox and random survival forests (RSF) model time-weighted features predict lifespan various scenarios. Survival estimates RSF indicate that primarily forested areas exhibit higher rates, whereas those cranberry- maize-dominated may face lower probabilities. Our findings suggest vegetation abundance could significant shaping outcomes. Additionally, diversity within 1 km radius seems positive effect, potentially greater benefits where is sparse. While topography contributes valuable predictive insights, its effects complex challenging fully interpret.

Language: Английский

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Climate driven shifts in the synchrony of apple (Malus x domestica Borkh.) flowering and pollinating bee flight phenology

Agricultural and Forest Meteorology, Journal Year: 2022, Volume and Issue: 329, P. 109281 - 109281

Published: Dec. 11, 2022

The phenology, or timing of key life-history events, many globally important crops and the insects that pollinate them are shifting because changing climate. Where these temporal shifts occur at different rates in directions, it induces a risk phenological mismatch, potentially reducing quality quantity crop production. This study makes use 48 years UK citizen science (pollinating bee records) systematic (apple flowering) data to report apples their bee-pollinator community. It quantifies mismatches between peak flowering flight dates which could cause pollination deficits. Flowering onset Bramley advanced throughout period. advance was primarily driven by early spring temperatures, with advancing 6.7 ± 0.9 per 1 °C warming. In addition, increasing rainfall significantly delayed 0.4 0.1 days 10 mm additional rainfall. By contrast, phenology shifted non-linear manner, from 1970 1985 before plateauing until end date apple pollinating community appears be similarly sensitive experiencing an 6.5 2.1 warming, although individual species responses climate varied. Furthermore, this compared trends assess potential asynchrony pollinator phenology. response patterns bees led mismatch over time. Differences sensitivity do not appear directly contribute mismatch. Finally, highlights value (with sufficient control) understanding trees pollinators.

Language: Английский

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If You Grow It, They Will Come: Ornamental Plants Impact the Abundance and Diversity of Pollinators and Other Flower-Visiting Insects in Gardens

Horticulturae, Journal Year: 2022, Volume and Issue: 8(11), P. 1068 - 1068

Published: Nov. 14, 2022

Gardening for pollinators and other flower-visiting insects, where ornamental landscaping plants are added to provide habitats foraging resources, may substantial benefits declining insect populations. However, plant recommendations often lack empirical grounding or limited geographically. Here, we created a pollinator garden, replicated across two sites, that contained 25 landscape were either native non-native mid-Atlantic states perennial annual. Our objective was determine the would bring abundance diversity gardens. We surveyed number taxonomy of insects visiting summers. found significant effect species on both insects. Insects 42 times more abundant our most visited (black-eyed Susan, Rudbeckia fulgida) versus least (petunia, Petunia sp.). There than one point difference in Shannon index between with (purple coneflower, Echinacea purpurea) (verbena, Verbena bonariensis) diverse visitors. Across plants, honey bee (Apis mellifera) positively correlated pollinators, although not specifically wild abundance. Native perennials outperformed annuals abundance, attracted annuals. scores quadratically related highest seen medium Lastly, present weighted sums all visitors per plant, which will allow future gardeners make informed decisions. Overall, have shown gardening schemes could benefit from data-driven approach better support populations within

Language: Английский

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Agricultural grasslands provide forage for honey bees but only when nearby

Agriculture Ecosystems & Environment, Journal Year: 2023, Volume and Issue: 359, P. 108722 - 108722

Published: Sept. 21, 2023

Knowledge of foraging currencies and costs is important for understanding honeybee food collection economics to parameterize their behaviors as indicators habitat quality, which in the identification management targets human-altered landscapes. Previous research has yielded inconsistent results regarding relationship between honey bees agroecosystems, such agricultural grasslands. Waggle dance decoding provides a method resolving these inconsistencies by mapping quantifying bee recruitment grasslands using statistical methods that appropriately account distance, or cost. Here we decoded 3881 dances across two years investigate when where forage mixed-use landscape Virginia, with particular interest use (pastures haylands). We initially observe recruited heavily compared croplands, developed lands forests, percent land type was at 30.7% (CI: 29.4–31.8%), thus significantly higher than its representation (c. 23%). Honey also months, ranging from 26.9% (23.5–30.1%) August 38.8% (31.3–46.9%) October. However, examined distance-corrected rates, allowed us compare attractiveness flight cost removed, found were not more attractive broader less than, example, croplands. additionally identify potential gaps during June August, while distinguishing them possible source October before colony overwintering this landscape. Furthermore, qualitatively hot spot, demonstrating high composed grasslands, lands, croplands itself area. Together, demonstrate utilize heterogeneous areas underscore importance analyses incorporate biological knowledge. Lastly, data will be informing future aimed pollinators

Language: Английский

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Management factors strongly affect flower-visiting insects in intensive apple orchards

Agriculture Ecosystems & Environment, Journal Year: 2024, Volume and Issue: 380, P. 109382 - 109382

Published: Nov. 27, 2024

Language: Английский

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Do nest sites limit wild honey bee colonies? Decoding swarm waggle dances to assess nest site availability

Ecological Entomology, Journal Year: 2024, Volume and Issue: 49(6), P. 869 - 880

Published: July 5, 2024

Abstract Nest sites are often considered to limit wild honey bee, Apis mellifera , colonies in Europe where colony densities low (mean 0.26/km 2 ). site availability can be challenging quantify directly, especially urban areas and farmland nest different substrates. Here we assess indirectly across large (78.5 km ) of mixed habitat (67% farmland, 25% 8% woodland) by decoding 3310 waggle dances produced scouts on swarms. During summers 2021 2022, 14 artificial swarms were set up two study East Sussex, England. Swarms advertised three nine locations 5.5) at distances 0.1–11.2 (median 1.2 km) all within 0.4–15.2 daylight hours after dancing commenced 2.7). We estimated the total number locations, including those not advertised, quantifying overlap (a form mark–recapture), which gave a mean density approximately per . The probability advertising calculated using simulations dance variation, was an average 42% higher (0.018/km ), 78% woodland (0.023/km 12% lower (0.011/km than random expectation. After controlling for distance, still more likely expected advertise but only one area. Our results indicate that do given our conservative estimate (3/km exceeds nearby landed estates (2/km other (0.26/km

Language: Английский

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