Altitudinal distribution of territorial Pallas’s Leaf Warblers (Phylloscopus proregulus) in Korea and its disruption by fir (Abies)-planting |
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Authors: | J W Duckworth |
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Institution: | (1) Wildlife Conservation Society, Pyongyang, DPR Korea;(2) Present address: PO Box 5573, Vientiane, Lao PDR |
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Abstract: | Pallas’s Leaf Warbler (Phylloscopus proregulus) is a common breeding bird above 700 m in the forests of the Myohyang range, Korea. Within the largely natural forest are
several temple gardens, four of which at 140–520 m held territorial Pallas’s Leaf Warblers. All had mature planted firs (Abies), which occur naturally in the area only over 1,000 m. The planted firs evidently stimulated the warblers to settle below
their natural altitudinal range, but cannot be the only stimulus because the natural lower distribution of the warbler is
300 m below that of the tree. |
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Keywords: | Altitudinal zonation Bird– tree co-occurrence Ecological exotic Ornamental garden Settlement cue |
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