Business Planet Edition 7th Grade Geography Volume 1
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People's Education Edition Geography for Seventh Grade Volume 2
Business Planet Edition Geography for Grade 8 Volume 1
Shanghai Education Edition Seventh Grade Geography Volume 1
People's Education Edition Geography for Eighth Grade Volume 2
Hunan Education Edition High School Geography Compulsory Course I
People's Education Edition Geography for Grade 7 Volume 1
Shanghai Education Edition Geography for Sixth Graders Volume 1
Business Planet Edition Geography for Eighth Grade Volume 2
Hunan Education Edition High School Geography Compulsory Course II
Compulsory Course 1 of High School Geography in China Graphics Edition
People's Education Edition Geography for Grade 8 Volume 1
Lu Ke version of high school geography compulsory course I
People's Education Press High School Geography Compulsory Course 1
Shanghai Education Edition Seventh Grade Geography Volume 2
Category | Format | Size |
---|---|---|
People's Education Edition Geography for Eighth Grade Volume 2 | pptx | 6 MB |
Description
"Natural Features and Agriculture" Northwest Region PPT Courseware 3
learning target
1. Clarify the scope and terrain of northwest my country;
2. Make it clear that northwest my country is a region with drought as its main natural feature, and briefly analyze its reasons;
3. Comprehensive analysis of the main agricultural areas and characteristics of the northwest region based on regional characteristics;
4. Give examples to illustrate the impact of the natural geographical features of the northwest region on people’s production and life.
1. Grasslands and deserts
location and range
It is mainly located on the ___th step of my country's terrain, generally located to the west of ________, ____ and the north of Kunlun Mountains-Altun Mountains.
terrain features
The terrain is dominated by ____ and ____. The eastern part is mainly composed of _______ plateau, and the western part has mountains and basins alternately distributed.
Speculate what caused the landscape changes in the Northwest?
Arrange the three photos A, B, and C in order from wet to dry?
The longitude between east and west is large, and the precipitation gradually decreases from east to west.
grassland-desert steppe-desert
2. Pastoral areas and irrigated agricultural areas
The northwest region has little precipitation, and agriculture is distributed in areas with river water, mountain ice and snow meltwater, and groundwater irrigation, forming irrigated agricultural areas.
Oasis (irrigated) agriculture
The inland northwest has a dry climate, less annual precipitation, and relatively large sandstorms. Water has become a key factor restricting agricultural development.
Irrigated Agriculture - "Song of the Yangtze River"
In 574 AD, 20,000 households were moved to Liziyuan (today's east of Yinchuan City) and Huaiyuan County was established. After the Northern Zhou Dynasty defeated the Southern Dynasty, they moved their people to Lingzhou (today's Lingwu City, Ningxia). Because these Jiangnan people "revere etiquette, love learning, and have similar customs", they diverted water to grow rice, plant mulberry and silkworms, plant poplars and willows, and cultivate plum trees. Peach cultivation has given Ningxia the reputation of "fortress on the south of the Yangtze River".
measure
Construction of water conservancy facilities such as diversion canals, irrigation canals, and karez wells;
Make rational use of water resources, adopt advanced irrigation technologies such as sprinkler irrigation and drip irrigation, and develop water-saving agriculture;
Return farmland to grazing and pasture, implement area-based rotational grazing, and build artificial pastures;
Protect surface vegetation and strengthen ecological environment construction.
Knowledge review
natural features
location and terrain
Climate: temperate continental
River: inland river
Natural landscape: grassland-desert steppe-desert
agriculture
Inner Mongolia pastoral areas and their excellent livestock breeds
Xinjiang pastoral areas and their excellent livestock breeds
Distribution of irrigated agricultural areas and their main agricultural products
Class exercises
1. The ground vegetation in the northwest region, from east to west, is roughly ( )
A. Desert→Desert Steppe→Grassland
B. desert → grassland → desert
C. grassland → desert → grassland
D. grassland → desert steppe → desert
2. The most direct irrigation water source in Ningxia Plain and Hetao Plain is ( )
A. River water B. Lake water c. Groundwater D. rainwater
3. Crops cannot be grown in many places in the northwest region. The main reason is ( )
A. The local temperature is too low
B. The local population is sparse and the labor force is insufficient.
C. The local annual rainfall is too little
D. Insufficient local soil fertility
4. Which of the following statements about the topographic features of the northwest region is correct ( )
A. The terrain is mainly plateaus and mountains
B. The terrain is mainly plateaus and plains
C. The terrain is dominated by plateaus and basins
D. The terrain is mainly plains and basins
Keywords: Northwest region teaching courseware, natural features and agriculture teaching courseware, New People's Education Edition eighth grade geography PPT courseware volume 2, eighth grade geography slide courseware download, northwest region PPT courseware download, natural features and agriculture PPT courseware download,. ppt format
For more information about the "Natural Features and Agriculture Northwest Region" PPT courseware, please click the "Natural Features and Agriculture ppt Northwest Region ppt" tag.
"Natural Features and Agriculture" Qinghai-Tibet Region PPT Courseware 4:
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"Natural Features and Agriculture" Qinghai-Tibet Region PPT Courseware 3:
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"Natural Features and Agriculture" Qinghai-Tibet Region PPT Courseware 2:
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File Info
Update Time: 2024-10-12
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