Lecture 13 Forest Resources.ppt

Lecture 13 Forest Resources.ppt - Lecture-13 F O R E S T...

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Lecture-13: F O R E S T Course Instructor: Md Asif Rahman (ASR) Lecturer, Department of Mathematics and Natural Sciences (MNS) University Building 2 (15 th Floor) E-mail: [email protected]
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A forest is a community of trees, shrubs গুল , herbs ত ণ , and associated plants and organisms that cover a considerable area that use oxygen, water and soil nutrients so as to the community attains the maturity and be able to reproduce by itself.
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Types of Forest Types of Forest Depending on the geographical location, rainfall/precipitation and temperature, forests contain different types of plant species. Based on their locations, forests are classified as Tropical forest Temperate forest Coniferous forest কনননফররস (boreal forest)
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Tropical Rain Forest Tropical Rain Forest 1. Situated at tropical region of the earth, which is close to equator ববিষ ষবিররেখখ 2. Hot and humid climate all the year round, average temperature is 27 0 C 3. Low annual range of temperature (10 0 - 30 0 C) 4. Wet all the year round ( no month with less than 50 mm rainfall) 5. High annual rainfall 2000 mm+ 6. Constant অনবিরত supply of food and water for the animal and plant species.
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