| Category | Format | Size |
|---|---|---|
| People's Education Edition seventh grade biology volume 1 | pptx | 6 MB |
"Care for vegetation and green the motherland" PPT courseware 8
Description
"Care for vegetation and green the motherland" PPT courseware 8
1. The role of green plants in the biosphere
(1) Green plants are producers
(2) Maintain the balance of carbon dioxide and oxygen in the atmosphere
(3) Promote the water cycle of the biosphere
2. my country’s vegetation resources
(1) Main types of vegetation in my country
1. The concept of vegetation - a group of plants that cover the earth's surface and live together regularly
2. Type
Rainforest
evergreen broadleaf forest
deciduous broadleaf forest
Coniferous forest
grassland
desert
The main types of vegetation in my country
grassland
Most of the plants that make up the grassland are herbaceous plants adapted to semi-arid climate conditions.
desert
The ecological conditions of the desert are harsh, with hot and dry summers, poor soil, sparse vegetation, poor species, and drought tolerance.
Rainforest
Tropical rainforests are located in areas with high temperatures and rain all year round. They are particularly rich in plant species, evergreen all year round, and tall.
evergreen broadleaf forest
Evergreen broad-leaved forests are distributed in areas with hot and humid climates, and are dominated by evergreen broad-leaved trees.
1: Forest resources are scarce and unevenly distributed
According to the results of the fifth national forest resources inventory (1994-1998), the overall situation of my country’s forest resources is:
The forest area is 1.5894×108 hm2; the forest coverage rate is 16.55%;
The main problems faced by vegetation in my country
1. Forest resources are rich in plant species, but my country is still a Shaolin country. Below is a comparison of forest coverage:
Among them, the per capita forest area is only 0.128 hectares, which is only equivalent to one-fifth of the world's per capita level. What is the reason for this situation?
2: The area of grassland forest and grassland is decreasing day by day and showing signs of degradation.
Strategies for Sustainable Development of Vegetation Resources
(1) Manage forests in accordance with the law and strengthen resource protection, such as: "Forest Law", "Grassland Law", "Resolution on Carrying out National Compulsory Tree Planting Movement"
(2) Strengthen the progress of afforestation and greening, improve the area of green space and the quality of afforestation
Keywords: Caring for vegetation and greening the motherland teaching courseware, download the PPT courseware for seventh-grade biology from the People's Education Edition, download the seventh-grade biology slide courseware, downloading the PPT courseware for caring for vegetation and greening the motherland, .PPT format;
For more information about the PPT courseware "Caring for Vegetation and Greening the Motherland", please click the "Caring for Vegetation and Greening the Motherland" ppt tag.
"Care for vegetation and green the motherland" PPT courseware 7:
"Care for Vegetation and Green the Motherland" PPT Courseware 7 Vegetation All plants growing in an area are called the vegetation of this area. The main vegetation type in my country is grassland. Characteristics: Most of the plants that make up grassland are _________ desert characteristics that adapt to _________climate conditions..
"Care for vegetation and green the motherland" PPT courseware 6:
"Care for Vegetation and Green the Motherland" PPT courseware 6 (1) Main types of vegetation in my country 1. The concept of vegetation - a group of plants that cover the earth's surface and live together regularly 2. Types Tropical rain forest evergreen broad-leaved forest deciduous Broadleaf forest, coniferous forest, steppe, desert...
"Care for vegetation and green the motherland" PPT courseware 5:
"Care for Vegetation, Green the Motherland" PPT Courseware 5 Unlocking Wisdom 1. What is vegetation? 2. What are the main vegetation types in my country? What characteristics does it have? 3. What are the main problems faced by vegetation in my country? 4. What measures are taken by countries with vegetation problems? do..
File Info
Update Time: 2024-07-05
This template belongs to biology courseware People's Education Edition seventh grade biology volume 1 industry PPT template
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