Translate "• Time work to avoid sensitive periods: In-water activities should not occur during local fish spawning and nursery periods since it could disturb spawning behaviour, smother eggs and kill young fish." to French?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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• Planifiez vos travaux de façon à éviter les périodes critiques Les travaux dans l eau ne devraient pas avoir lieu pendant les p riodes de fraye et d alevinage, car elles pourraient perturber le comportement de fraye.