Experience level of the respondents to the survey for birdwatchers.
收藏Figshare2015-12-02 更新2026-04-29 收录
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https://figshare.com/articles/dataset/_Experience_level_of_the_respondents_to_the_survey_for_birdwatchers_/379819
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资源简介：
Numbers and percentages of the respondents that had taken part in the mentioned activities.
创建时间：
2015-12-02
