Translate the following English sentence to French:
"Mr President, the state of tropical forests is worrying on two counts, as the impoverishment of the forest is not only quantitative but also qualitative in nature."
Monsieur le Président, chers collègues, l' état des forêts tropicales est doublement préoccupant. L' appauvrissement n' est pas seulement d' ordre quantitatif mais également qualitatif.