How is climate change related to ecosystems? 0.6 【Mauna Loa Data from Keeling and Whorf (1994)】 380 Global Temperatures 0.4 370 Annual Average Five Year Average 320 310 1960 19701980 19902000 Year 06 18601880190019201940196019802000 ◆ How is climate change related to ecosystems? [ Mauna Loa Data from Keeling and Whorf (1994) ] Year 1960 1970 1980 1990 2000 CO2 Concentration (ppmv) 310 320 330 340 350 360 370 380 ?