Knowledge graph centered on Refractometric nectar analysis with 72 nodes and 201 connections. Top connected: Hummingbird, Bombus, Ipomopsis, Ligusticum porteri, Delphinium.
A field-based protocol for extracting nectar from flowers that have been exposed to bee visitation, then quantifying ethanol content using enzyme-based assays. Flowers are pre-isolated to prevent nectar depletion before sampling.
Synthesized from method descriptions across 25 papers using this protocol.
Steps below were extracted from the most recent peer-reviewed implementation of this protocol in the corpus — Competition for nectar resources does not affect bee foraging tactic constancy (2020), Ecological Entomology. The protocol was originally introduced by Quantifying Nectar Resources in Bumble Bee Visited Plants (2019). Implementations in other papers (listed below) may differ.