Relevancy to Gratheon
This paper presents a comprehensive multi-sensor hardware stack — weight, sound, temperature, humidity, and CO₂ — that closely mirrors the sensor set Gratheon integrates or plans to integrate in its hive monitoring products. The key finding that sensor fusion provides richer colony-state insight than any single sensor validates Gratheon's multi-modal approach. The specific event taxonomy (swarming, theft, honey gathering, food shortage, illness) maps directly to the actionable alert categories Gratheon surfaces in its web-app dashboard. The campus field-deployment methodology and the 2020 publication date also provide a mature, peer-reviewed baseline that Gratheon can cite when justifying its own sensor choices to potential enterprise or research customers.