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- W2948016008 abstract "Ecological patterns of the altitudinal differentiation of bird population in the northern shoots of the Koryak Highland are analyzed. Data was collected during expeditions carried out in summer 2014 in the Mainitz Lake basin, the Gytgyponytkynvaam River valley and the Tynulve Nangagte ridge (63°8’– 63°14’N, 176°42’–176°48’E). 76 species of birds breed in the surveyed areas of the northern shoots of the Koryak Highland (40% of the total avifauna of the Koryak Highland). Several species (n=7) were for the first time recorded on the nesting in the northern shoots of the Koryak Highland 300–1200 km away from the northern boundaries of their main areas. Taxonomic structure of nesting avifauna corresponds to the zonal and landscape features of Northeast Asia. The species of Passeriiformes, Charadriiformes and Anseriformes groups dominate accounting for 85% of the total diversity. Similarity coefficient of nesting avifauna for the northern and southern regions of the Koryak Highland is high (83%). The avifauna species richness decreases with altitude, while 44 species inhabit a wide range, covering at least two altitudinal belts. The species composition of birds changes gradually with height. The species of the Siberian faunal complex (34%) and widely distributed species (33%) are the most significant in the avifauna. The original zoogeographical element of the local nesting avifauna is the species of the American faunal complex. A significant part in the avifauna belongs to the species of boreal-hypoarctic species (29%) and widespread (26%) geographical-genetic groups. The density of the nesting population of birds decreases with height. The bird population density in the terrestrial habitats is 725 ind./km2 in the shrubby belt, 471 ind./km2 in the subalpine belt, 83 ind./km2 in the alpine belt. The maximum similarity is observed in the population of birds of the shrubby and subalpine belts (46%), the minimum is in the population of shrubby and alpine belts (6,8%). The density of the bird population of water-surrounding habitats varies from 13 individuals per 1 km of the coastline on the river up to 30 individuals per 1 km of coastline on the lake." @default.
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- W2948016008 date "2019-03-27" @default.
- W2948016008 modified "2023-09-27" @default.
- W2948016008 title "ГЕОГРАФИЯ ФАУНЫ ПТИЦ СЕВЕРНЫХ ОТРОГОВ КОРЯКСКОГО НАГОРЬЯ" @default.
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