RT null T1 Earth Observations for Marine Ecosystem Monitoring A2 Smail, Emily K1 earth observation K1 marine ecosystem K1 environmental monitoring K1 water quality K1 eutrophication K1 climate change adaptation YR 2023 FD 2023 LK https://wedocs.unep.org/handle/20.500.11822/42330 UL https://wedocs.unep.org/handle/20.500.11822/42330 NO Earth observation is the gathering of information about planet Earth’s physical, chemical and biological systems. It involves monitoring and assessing the status of, and changes in, the natural and man made environment. DS UN Environment Document Repository RD Sep 19, 2026