"Natural Features and Agriculture" Northwest Region PPT Courseware 5

Description

"Natural Features and Agriculture" Northwest Region PPT Courseware 5

1. Grasslands and deserts

1. Location and scope:

To the west of the Greater Hinggan Mountains and to the north of the Great Wall and the Kunlun Mountains and Altun Mountains, it is mainly located on the second step.

2. Physical geographical features

2. Terrain:

Mainly plateaus and basins

To the east is the vast and open Inner Mongolia Plateau.

The west is "three mountains sandwiched between two basins", with mountains and basins alternately distributed.

Precipitation characteristics in the northwest region

1. The precipitation in most areas of northwest China is less than 400mm;

2. Reduce from about 400mm to less than 50mm from east to west.

Impact on rivers: Rivers are rare and mostly seasonal. They are the main distribution areas of inland rivers in China.

2. Pastoral areas and irrigated agricultural areas

(1) Pastoral areas: 1. Characteristics: The northwest region of __ is an important ____ industrial base in my country.

2. Distribution of pastures: The area east of Helan Mountain has more precipitation and relatively abundant surface water resources. There are high-quality pastures such as ____ and ____. To the west, precipitation is sparse and there are ____ pastures.

3. Residential buildings: _____. The characteristics of this house are _____.

(2) Irrigated agricultural areas:

1. Conditions: ⑴ The northwest region forms a ____ agricultural area in areas with ___, ___, and ____ irrigation.

⑵ In summer ___, the light is strong, and the ____ temperature difference is large.

2. Distribution: Use melted ice and snow water and groundwater to develop irrigated agriculture, such as in the oases of ___ in Gansu and ___ in Xinjiang; use water from the Yellow River to develop irrigated agriculture in the ___ plains and ___ known as "____" __Plain.

3. Specialty agricultural products: _______.

4. Collaborative exploration:

1) The northwest region is a famous hometown of fruits. These fruits contain particularly high sugar content. Do you know why?

2) Xinjiang’s long-staple cotton is famous at home and abroad. This is inseparable from the climatic conditions. Could you please talk about the climatic conditions in which it grows?

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Update Time: 2024-11-24

This template belongs to Geography courseware People's Education Edition Geography for Eighth Grade Volume 2 industry PPT template

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