A Debreceni Déri Múzeum Évkönyve 1986 (Debrecen, 1987)

Természettudomány - Juhász, Lajos–Bozsko, Szvetlana: The Ornithofauna of Debrecen II. Synecological Analysis

Table 1. Bird species, dominance and abundance in the city of Debrecen. Plot 12.5 ha (Signs: SM — spring migrations period; BP — breeding period; A — autumn; W — winter; D — dominance; A(pairs/ha) — abundance; R-rare; A-acessotry; SD — subdominant; D — dominant; ED — eurydominant) SM BP A W Species D% D A p/ha D°/„ D A p/ha D°/o D A p/ha D°/„ D A p/ha Accipiter nisus 0.42 R 0.04 0.33 R 0.40 Columbia livia ssp. domestica 11.71 ED 1.12 13.73 ED 1.04 16.27 ED 1.12 11.44 ED 1.36 Streptopelia decaocto 22.60 ED 2.16 28.57 ED 2.08 30.23 ED 2.08 21.21 ED 2.52 Tyto alba 0.83 R 0.08 1.09 A 0.08 1.16 A 0.08 0.67 R 0.08 Strix aluco 1.16 A 0.08 0.67 R 0.08 Calerida cristata 0.83 R 0.08 1.09 A 0.08 2.32 SD 0.16 2.02 SD 0.24 Hirundo rustica 1.67 A 0.16 2.19 SD 0.06 Delichon urbica 10.90 ED 1.04 14.28 ED 1.04 Corvus frugilegus 4.20 SD 0.40 4.65 SD 0.30 4.04 SD 0.48 Corvus monedula 5.02 D 0.48 3.29 SD 0.24 5.23 D 0.36 4.04 SD 0.48 Parus major 1.67 A 0.16 4.65 SD 0.32 2.02 SD 0.24 Parus caeruleus 1.74 A 0.12 1.34 A 0.16 Sitta europaea 0.58 R 0.04 Troglodytes troglodytes 1.16 A 0.08 Turdus iliacus 5.05 D 0.60 Turdus merula 2.51 SD 0.24 4.39 SD 0.32 3.48 SD 0.24 0.67 R 0.08 Phoenicurus ochruros 1.67 A 0.16 2.19 SD 0.16 1.16 A 0.08 Erithacus rubecula 1.16 A 0.08 0.67 E 0.08 Sylvia atricapilla 0.83 R 0.08 1.09 A 0.08 Phylloscopus collybita 0.83 R 0.08 Bombicilla garrulus 12.55 ED 1.20 23.56 ED 2.80 Sturnus vulgaris 1.67 A 0.16 Passer domesticus 15.91 ED 1.52 22.52 ED 1.64 18.60 ED 1.28 17.50 ED 2.08 Passer montanus 3.34 SD 0.32 5.49 D 0.40 5.23 D 0.36 4.71 SD 0.56 Carduelis chloris 0.83 R 0.08 1.16 A 0.08 In all: 19 sp. 9 6 p/ha 12 sp. 7.3 p/ha 17 sp. 6.9 p/ha 16 sp. 11.9 p/ha