PNIE is the official English language journal of the National Institute of Ecology of the Republic of Korea. PNIE started its first issue in November 1, 2020. PNIE is published quarterly in a year (February 1, May 1, August 1, November 1). The Journal publishes research papers, invited reviews and data papers. This multidisciplinary journal is a showcase of original researches being conducted by the ecologists in Korea and abroad. And PNIE is committed to represent ecological research from Asia-Pacific region. Worldwide cooperative research initiatives are also welcome.