Similar title to Skilbrei, O.T. & Heino, M. ORCID: https://orcid.org/0000-0003-2928-3940 (2011). Reduced Daylength Stimulates Size-dependent Precocious Maturity in 0-plus Male Atlantic Salmon Parr. IIASA Interim Report. IIASA, Laxenburg, Austria: IR-11-013