forest decline

基本解释

The present paper is a review of the new progress of study on forest decline due to soil acidification from acid rain.
本文主要综述酸雨通过土壤酸化导致森林衰亡方面的国外最新研究进展。
The authors consider"forest decline"as the whole forest has decline symptoms and "decline disease"as individual trees have symptoms of diseases and reaction, just as the other plant diseases.
而“衰退病”则是个体的林木呈现的衰退病病害症状和反应，正如同其它植物病害一样有各自的不同症状反应。
Nitrogen deposition can lead to a series of serious ecological problems, such as over-nutrition in water bodies, forest decline, soil acidification, biodiversity decreasing.
氮沉降的增加导致了一系列严重的生态问题，如水体富营养化、森林衰退、土壤酸化、生物多样性减少。

Lurid reports appeared of widespread forest decline in Germany, where half the trees were said to be in trouble.
ECONOMIST: Plenty of gloom