translation.en: These climatic changes have already had noticeable effects on many natural systems, including marine and terrestrial ecosystems, such as the timing of seasonal biological events and the distribution of animal and plant species.
translation.ro: Aceste schimbări climatice au avut deja efecte evidente asupra multor sisteme naturale, inclusiv ecosisteme marine şi terestre, cum ar fi momentul producerii evenimentelor biologice sezoniere şi distribuţia speciilor de plante şi animale.