第三节题组训练8说明文1(2017·黑龙江哈尔滨六中三模)NewgeneticanalysishasrevealedthatmanyAmazontreespeciesarelikelytosurvivehumanmadeclimatewarminginthecomingcentury,contrarytopreviousfindingsthattemperatureincreaseswouldcausethemtodieout
Astudy,1inthelatesteditionofEcologyandEvolution,revealsthe2ageofsomeAmazoniantreespecies—morethan8millionyears—and3showsthattheyhavesurvivedpreviousperiodsaswarmasmanyoftheglobalwarmingimaginedperiods4fortheyear2100
Theauthorswritethat,havingsurvivedwarmperiodsinthepast,thetreeswill5survivefuturewarming,providedtherearenoothermajorenvironmentalchanges
6extremedroughtsandforestfireswillimpactAmazoniaastemperatures7,thetreeswillstandthedirectimpactofhighertemperatures
Theauthors8thataswellasreducinggreenhousegasemissionstominimizetheriskofdroughtandfire,conservationpolicyshouldre