Fig. 6
From: Identifying key bird species and geographical hotspots of avian influenza A (H7N9) virus in China
The geographical hotspots of identified bird species with positive lags Lag ≤ 5 in Shanghai and other five provinces. The size of nodes in blue represents the total number of identified bird species in each municipality/province. The coloured surface represents the density magnitude of bird species after smoothing. The map is generated using ArcGIS v.10.5