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Bird migration numbers

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DataONE2016-06-09 更新2024-06-26 收录
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The following variables are given in the columns: Species: bird species of concern, 3+3 abbreviation of scientific name Season: "Spring" or "Autumn" Year: year when data has been collected (5 years per species-season combination) DOY: day of year (1 to 365) X_sp: covariate describing the relative migration intensity of related species (NA = missing value) N: number of observed birds at Hanko bird observatory (NA = missing value)
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2016-06-09
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