Duplicate title to Yamamichi, M., Yoshida, T., & Sasaki, A. ORCID: https://orcid.org/0000-0003-3582-5865 (2013). Timing and propagule size of invasion determine its success by a time-varying threshold of demographic regime shift. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-13-076