Pollen Nutritional Composition in Pollinator Health
Summary
Pollen is the primary source of proteins, lipids, carbohydrates and an array of micronutrients that underpin pollinator development, immunity, reproduction and cognitive function. Variability in the concentrations and ratios of these nutrients among plant species influences larval growth rates, adult longevity and foraging decisions in both eusocial and solitary pollinators. A balanced supply of essential amino acids and fatty acids supports brood provisioning, modulates immune defences and maintains neural processes critical for navigation and learning. Conversely, diets dominated by monotonous or low‐quality pollen can exacerbate the effects of pesticides and environmental stressors, reducing colony resilience and pollination efficiency. Understanding the interplay between pollen chemistry and pollinator physiology has global significance for biodiversity conservation, agricultural productivity and the design of flower‐rich habitats that sustain healthy pollinator populations.
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Pollen Nutritional Composition in Pollinator Health publication trend
The graph below shows the total number of articles in pollen nutritional composition in pollinator health across all publications each year (not limited to Nature Index journals).
Technical terms
Macronutrients: Major dietary components—proteins, lipids and carbohydrates—required in large amounts for energy, growth and maintenance.
Micronutrients: Vitamins and minerals needed in small quantities to support enzymatic processes, immunity and neural function.
Protein-to-lipid ratio: The proportion of protein mass to lipid mass in pollen; a critical determinant of larval development and adult health.
Polylectic: Describing pollinators that forage on a wide variety of plant species, encountering diverse pollen chemistries.
Neonicotinoid: A class of systemic insecticides that can impair pollinator nervous systems and interact synergistically with poor nutrition.
References
- Bee Pollen as Functional Food: Insights into Its Composition and Therapeutic Properties. Antioxidants (2023).
- Insecticide and low food quality treatments reduce health and pollination services of two key pollinator taxa. Journal of Applied Ecology (2024).
- Pollen Protein: Lipid Macronutrient Ratios May Guide Broad Patterns of Bee Species Floral Preferences. Insects (2020).
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