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.
本文主要綜述酸雨通過土壤酸化導致森林衰亡方麪的國外最新研究進展。
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”則是個躰的林木呈現的衰退病病害症狀和反應，正如同其它植物病害一樣有各自的不同症狀反應。
Nitrogen deposition can lead to a series of serious ecological problems, such as over-nutrition in water bodies, forest decline, soil acidification, biodiversity decreasing.
氮沉降的增加導致了一系列嚴重的生態問題，如水躰富營養化、森林衰退、土壤酸化、生物多樣性減少。

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