Kowalczyk, Karolina, and Janusz Uchmański. “Biodiversity Gradients: Is Diversity Greater in the Tropics?”. Studia Ecologiae et Bioethicae 23, no. 3 (June 26, 2025): 105–120. Accessed December 5, 2025. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/14922.