"Land Resources" China's natural resources PPT courseware 3

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"Land Resources" China's natural resources PPT courseware 3

The current situation of land resources in my country

Fewer people and more

At present, the per capita cultivated land in my country is 0.1 hectare, which is about 1/3 of the world average.

The proportion of land that is difficult to use is large

Western my country is widely covered with deserts, Gobis, rocky mountains, alpine deserts, permanent snow and glaciers, accounting for approximately 21.6% of the land area, and the utilization level of land resources is low.

1. The proportion of cultivated land and forest land is small;

2. The proportion of land that is difficult to use is large;

3. Insufficient reserve land resources.

Basic national policies:

We cherish and rationally utilize every inch of land and effectively protect cultivated land.

The contradiction between water and soil in the north and south

The unreasonable allocation of water and land resources in the north and south is detrimental to agricultural production.

Water resources in the South account for 80% and land resources account for 40%;

Water resources in the north account for 20% and land resources account for 60%.

Problems with land use

Indiscriminate occupation of cultivated land, serious water and soil erosion, and increasing land desertification area

Overgrazing, overloading of pastures, deforestation, forest reduction, land pollution

Cherish and rationally utilize every inch of land

measure:

Improve the legal system

"Land Management Law", "Grassland Law", "Forest Law", etc.

"Open source" and "reducing expenditure"

Open up wasteland, control land use, and increase yields

construction and protection

Build artificial grassland, protective forest, etc.

Keywords: China's natural resources teaching courseware, land resources teaching courseware, People's Education Edition eighth grade geography PPT courseware download, eighth grade geography slide courseware download, China's natural resources PPT courseware download, land resources PPT courseware download, .PPT Format;

For more information about the "China's Natural Resources and Land Resources" PPT courseware, please click on the China's Natural Resources and Land Resources ppt tab.

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Update Time: 2024-11-03

This template belongs to Geography courseware People's Education Edition Geography for Grade 8 Volume 1 industry PPT template

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