RETRACTED: Potential degradation of mamar functions in ecosystem services Production: the cases of Benlutu Village, West TimorAlfred Umbu Kuala Ngaji, Endeyani V. Muhammad and Sharon Claudia Rambu P. DiahE3S Web Conf., 420 (2023) 04014DOI: https://doi.org/10.1051/e3sconf/202342004014