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Table 3 Mentions of roosts reported by ornithologists or extracted from the ÉPOQ database (1997–2005) [24].

From: The geosimulation of West Nile virus propagation: a multi-agent and climate sensitive tool for risk management in public health

Nb. Lat. Long. Place of the roost Number of
mentions
Average number
of crows
1 48,43 -71,07 Bonsai (Chicoutimi) 1 40
2 47,07 -70,80 Cap Tourmente 1 500
3 45,45 -73,32 Carignan 1 100
4 46,72 -71,27 Charny 1 450
5 45,58 -71,62 Dudswell 1 70
6 45,00 -74,05 Dundee 1 200
7 46,73 -75,47 Ferme-Neuve 1 450
8 45,24 -72,44 Granby_1 1 8000
9 45,39 -72,75 Granby_2 2 20450
10 46,02 -73,45 Joliette 1 200
11 48,03 -70,87 La Baie 1 1500
12 48,53 -71,38 Lac Duclos 1 150
13 45,08 -73,37 Lacolle 1 200
14 46,80 -71,18 Lévis 2 161
15 46,54 -75,45 Mont-Laurier 1 300
16 46,55 -75,05 Mont-Laurier, ruisseau Villemaire 3 222
17 45,48 -73,67 Montréal 1 3000
18 47,58 -68,80 Notre-Dame-du-Lac 6 780
19 46,75 -71,13 Pintendre 1 185
20 48,43 -68,55 Rimouski 4 71
21 48,48 -68,43 Saint-Anaclet 1 563
22 45,30 -73,23 Saint-Athanase, rivière Richelieu 2 5000
23 48,05 -68,25 Saint-Donat (Rimouski) 2 575
24 45,62 -72,95 Saint-Hyacinthe_1 1 1000
25 45,63 -72,98 Saint-Hyacinthe_2 1 300
26 45,32 -73,27 Saint-Jean-sur-Richelieu 5 3540
27 48,47 -78,05 Saint-Marc-de-Figuery 1 1300
28 45,25 -71,54 Sherbrooke 1 200
29 45,52 -71,81 Stoke 1 150
30 46,02 -73,15 Tracy 21 825
31 46,05 -71,91 Victoriaville 1 500
32 47,55 -68,65 Ville-Dégelis 1 400