Extended Data Fig. 4: Annual NPP trends and multi-year baseline NPP from 2003 to 2021 across land and ocean zones.
From: Contrasting biological production trends over land and ocean
a, Land zones; b, Ocean zones. Land and ocean zones are shown in Extended Data Fig. 5. In b, cold oceans includes Southern Ocean and Arctic Oceans. Trends are calculated using Theil–Sen regression, with two-sided statistical significance assessed by the Mann–Kendall test (*P ≤ 0.05; **P ≤ 0.01).
