Business Planet Edition 7th Grade Geography Volume 2
People's Education Edition Geography for Seventh Grade Volume 2
Business Planet Edition 7th Grade Geography Volume 1
Business Planet Edition Geography for Grade 8 Volume 1
Shanghai Education Edition Seventh Grade Geography Volume 1
Business Planet 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
Lu Ke version of high school geography compulsory course I
People's Education Edition Geography for Eighth Grade Volume 2
Shanghai Education Edition Seventh Grade Geography Volume 2
Shanghai Education Edition Geography for Sixth Graders Volume 2
People's Education Press High School Geography Compulsory Course 1
Compulsory Course 1 of High School Geography in China Graphics Edition
Hunan Education Edition High School Geography Compulsory Course II
!["Marine Utilization and Protection" PPT](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/87fbb49c-6a5c-4866-a4e9-1a584049a4de.webp)
Category | Format | Size |
---|---|---|
Business Planet Edition Geography for Eighth Grade Volume 2 | pptx | 6 MB |
Description
"Marine Utilization and Protection" PPT
Part One: Pre-evaluation
How many kilometers of coastline does our country have, and which offshore waters does it border?
Our country has more than 18,000 kilometers of coastline and is bordered by four sea areas: the Bohai Sea, the Yellow Sea, the East China Sea, and the South China Sea.
Which temperature zones does my country's seas span from north to south?
It spans three temperature zones: warm temperate, subtropical and tropical.
Marine utilization and protection PPT, part 2: diverse biological resources
1. Superior marine natural conditions
Think about it:
my country is very rich in marine biological resources, with more than 20,000 species, including more than 3,000 species of fish. So, what are the favorable natural conditions that contribute to the richness and diversity of my country's marine biological resources?
The earth spans multiple temperature zones;
The continental shelf is vast;
Sea water temperature is moderate;
Large rivers bring abundant bait;
The intersection of cold and warm currents makes it suitable for warm and cold water fish to survive
2. Four major seafood and four major fishing grounds
Find it:
my country’s four famous seafood?
Large yellow croaker, small yellow croaker, hairtail, squid
Which four major fishing grounds do they mainly come from?
Yellow and Bohai Sea Fishing Ground Zhoushan Fishing Ground
South China Sea Coastal Fishing Grounds Beibu Gulf Fishing Grounds
Which fishing ground is the largest?
Zhoushan Fishing Ground
Marine utilization and protection PPT, part three: rich mineral resources
1. Undersea oil and gas resources
my country's marine resources are rich in oil and natural gas. Among them, oil reserves reach 2.2 billion tons and natural gas reserves reach 48 billion cubic meters, and new oil and gas fields are constantly being discovered.
2. Coastal placer resources
Zircon: resistant to high temperatures and corrosion, used in nuclear reactors and nuclear submarines
Quartz sand: silicon, high melting point, semiconductor; raw material for electronic products
Titanium: small specific gravity, high strength; corrosion-resistant and high-temperature resistant; used in missiles, rockets, and aviation industries.
Ocean utilization and protection PPT, part 4 content: Huge amounts of chemical resources
1. The value of sea water
With the advancement and development of science and technology, people's understanding of seawater has gradually deepened. It has been determined that seawater contains more than 80 elements. my country's current development and utilization of marine chemical resources mainly extracts sea salt and chemical elements such as magnesium, bromine, and iodine from seawater. , and desalination of seawater, etc.
2. Sea salt production and major salt fields
The main salt fields in my country are:
northern salt area
Changlu Saltworks—the largest saltworks
Huaibei Saltworks
southern salt area
Budai Saltworks
Yinggehai Salt Field
Marine Utilization and Protection PPT, Part 5: Utilization of Marine Space
Discussion: In today's world, the ocean has become a "blue land" that various countries and regions are vying to use. What do you think the use value of ocean space is?
Marine space can be divided into five categories according to its purpose of use:
①Production place ②Storage place
③Transportation facilities ④Residence and entertainment places
⑤Military base.
Ocean utilization and protection PPT, Part 6: Protecting the "Blue Land"
1. Problems in the utilization of marine resources
What are the serious problems facing China's marine resource development?
Frequent marine disasters
Environmental pollution intensifies
Depletion of offshore fishery resources, etc.
What are the main causes of marine environmental pollution?
industrial wastewater pollution
oil contaminants
Red tide disasters, etc.
2. Protection of marine resources and environment
Comprehensive management
Management according to law (anti-pollution)
Scientific utilization (fishing moratorium)
Keywords: Free download of Geography PPT courseware for the second volume of eighth grade version of Business Planet Edition, PPT download of ocean utilization and protection, .PPT format;
For more information about the "Ocean Utilization and Protection" PPT courseware, please click the "Ocean Utilization and Protection ppt" tab.
"Ocean Utilization and Protection" PPT download:
"Ocean Utilization and Protection" PPT Download Part One: Forming Conditions What are the natural conditions that form the rich and diverse marine biological resources in my country? ① Across three temperature zones ② The seawater temperature is moderate ③ The continental shelf is wide. What three categories can marine biological resources be divided into? ..
"Marine Utilization and Protection" PPT courseware:
The first part of the PPT courseware "Ocean Utilization and Protection": Course content: Think about the diverse biological resources. my country's marine biological resources are very rich, with more than 20,000 species, including more than 3,000 species of fish. Then, the formation of our country's oceans Rich in biological resources...
File Info
Update Time: 2024-09-09
This template belongs to Geography courseware Business Planet Edition Geography for Eighth Grade Volume 2 industry PPT template
"Marine Utilization and Protection" PPT Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "Marine Utilization and Protection" PPT is enough.
How to use the Windows system template
Directly decompress the file and use it with office or wps
How to use the Mac system template
Directly decompress the file and use it Office or wps can be used
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view: Click to see
How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box
Notice
Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com
"Marine Utilization and Protection" PPT, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.
(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)
Preview
!["Marine Utilization and Protection" PPT](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/971a6b44-cd07-4679-89c0-b8134f17ca92.webp)