聽寫填空,只寫填空內(nèi)容,不抄全文,3-5個(gè)句子,不用寫標(biāo)號(hào),注意標(biāo)點(diǎn)~

Forests are emerging as an important source of renewable energy – that's according to Janaki Alavalapati, head of the Department of Forestry at Virginia Tech. [---1---]

Janaki Alavalapati: [---2---]

Alavalapati said that removing some trees from forests can be beneficial. [---3---]

Janaki Alavalapati: [---4---]

Alavalapati stressed that good policies are needed to manage forests for energy use. [---5---]

Janaki Alavalapati: If no attention is paid, there might be problems in terms of water quality and water quantity, and in soil erosion, long-term soil productivity loss, all those things are going to be at stake.

Our thanks today to the American Forest Foundation, leading the way in conservation and education.

I'm Deborah Byrd from E&S, a clear voice for science.

【視聽版科學(xué)小組榮譽(yù)出品】
He said that harvesting biomass – trees and plants for fuel might improve the health of forests. Bioenergy markets are going to offer an opportunity for us to utilize small-diameter wood, so that means this market is going to stimulate thinning operations. He added that, when a forest has too many trees, there's a high risk of wildfire and pests. It's very difficult to provide a conducive habitat for wildlife. He expressed concern over how intensively trees might be harvested for fuel, and the use of pesticides and fertilizers to promote forest growth.