Figure 2 from: Brake I, Duin D, Van de Velde I, Smith V, Rycroft S (2011) Who learns from whom? Supporting users and developers of a major biodiversity e-infrastructure. ZooKeys 150: 177-192. https://doi.org/10.3897/zookeys.150.2191

Figure 2 - Pattern of email requests over time. Number of email requests per month divided into request category and each category divided into emails sent by users versus developers (October 2010–June 2011).