"Care for vegetation and green the motherland" PPT courseware 3

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"Care for vegetation and green the motherland" PPT courseware 3

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"Care for vegetation and green the motherland" PPT courseware 3

vegetation concept

All the plants growing in an area are called the vegetation of the area.

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 national forest resources inventory, 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%;

2: The area of ​​grassland forest and grassland is decreasing day by day and showing signs of degradation.

Care for vegetation and green the motherland

The Forest Law of the People's Republic of China was promulgated in 1984

The Grassland Law of the People's Republic of China was promulgated in 1985

In 1981, the Fourth Session of the Fifth National People's Congress issued the "Resolution on Launching a Comprehensive Compulsory Tree Planting Campaign." At present, more than 7 billion people across the country have participated in voluntary tree planting, planting 35 billion trees, and 12 provinces and autonomous regions have achieved the goal of basically eliminating barren hills suitable for forestation.

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 8:

"Care for Vegetation, Green the Motherland" PPT courseware 8 1. The role of green plants in the biosphere (1), green plants are producers (2), maintaining the balance of carbon dioxide and oxygen in the atmosphere (3), promoting the water cycle of the biosphere 2. my country's vegetation resources...

"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...

File Info

Update Time: 2024-11-23

This template belongs to biology courseware People's Education Edition seventh grade biology volume 1 industry PPT template

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《爱护植被,绿化祖国》PPT课件3
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