"The project has two sides," says Xavier Serrat, Neurice project manager and researcher at the University of Barcelona,"the short-term fight against the snail, and a mid- to long-term fight against climate change.

2018年6月六级真题(第二套)阅读 Section C

At the same time, this sea-water also kills off the greedy giant apple snail, an introduced pest that feeds on young rice plants.

2018年6月六级真题(第二套)阅读 Section C

But the snail continues its march to new territory, says Serrat.

2018年6月六级真题(第二套)阅读 Section C

But the snail has given the project greater urgency.

2018年6月六级真题(第二套)阅读 Section C

The Ebro Delta, in Spain, famous as a battleground during the Spanish civil War, is now the setting for a different contest, one that is pitting rice farmers against two enemies: the rice-eating giant apple snail, and rising sea levels.

2018年6月六级真题(第二套)阅读 Section C