Rainforest conversion to smallholder cash crops leads to varying declines of beetles (Coleoptera) on Sumatra. - Kasmiatun; Hartke, Tamara R.; Buchori, Damayanti; Hidayat, Purnama; Siddikah, Fatimah; Amrulloh, Rosyid; Hiola, Muhammad Syaifullah; Najmi, Lailatun; Noerdjito, Woro A.; Scheu, Stefan; Drescher, Jochen (Biotropica, 2023)