Em cần mọi người giúp gấp câu này ạ: Trong lâm nghiệp tình trạng chặt phá rừng gây hậu qua nghiêm trọng trong bảo vệ tài nguyên thiên nhiên rừng. Bằng kiến thức đã học hãy đề xuất các biện pháp khai thác, bảo tồn hợp lý nguồn tài nguyên thiên nhiên này?

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