Environmental Systems & Societies SL
Environmental Systems & Societies SL
9
Chapters
219
Notes
Unit 1 - Foundations Of Environmental Systems & Societies
Unit 1 - Foundations Of Environmental Systems & Societies
Unit 2 - Ecosystems & Ecology
Unit 2 - Ecosystems & Ecology
Unit 3 - Biodiversity & Conservation
Unit 3 - Biodiversity & Conservation
Unit 4 -Water & Aquatic Food Production Systems & Societies
Unit 4 -Water & Aquatic Food Production Systems & Societies
Unit 5 - Soil Systems & Terrestrial Food Production Systems & Societies
Unit 5 - Soil Systems & Terrestrial Food Production Systems & Societies
Unit 6 - Atmospheric Systems & Societies
Unit 6 - Atmospheric Systems & Societies
Unit 7 - Climate Change & Energy Production
Unit 7 - Climate Change & Energy Production
Unit 8 - Human Systems & Resource Use
Unit 8 - Human Systems & Resource Use
Internal Assessment
Internal Assessment
IB Resources
Unit 5 - Soil Systems & Terrestrial Food Production Systems & Societies
Environmental Systems & Societies SL
Environmental Systems & Societies SL

Unit 5 - Soil Systems & Terrestrial Food Production Systems & Societies

Revitalize Earth: Soil's Secret Life & Rescue

Word Count Emoji
585 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Key concepts🌍

  • Soil Development: Soil doesn't just pop out of nowhere. It takes a significant amount of time to form. Imagine it as a fantastic slow-cooking recipe where nature takes thousands of years to prepare the perfect dish!

  • Human Impact on Soil: We humans, in a rush, can mess up this perfect dish rather quickly. Our activities like deforestation, intensive grazing, urbanization, and certain agricultural practices can cause serious harm to soil. It's like cooking up a storm and leaving the kitchen in a wreck, except in this case, the kitchen is our environment!
    • Real-world example: A clear example is the Amazon Rainforest. Massive deforestation practices to make way for agriculture have severely impacted the soil, making it less fertile and more susceptible to erosion.
  • Soil Degradation: The destruction of the soil's health and productivity is called soil degradation. When we damage the soil, it could lead to soil erosion, toxification, salinization, and even turn fertile land into a desert. Imagine a rich, productive farmland slowly turning into a barren wasteland. Scary, right?
    • Real-world example: The Dust Bowl in the 1930s USA is a prime example of how improper farming practices and drought can lead to severe soil erosion and degradation.
  • Soil Conservation: But fear not! We do have strategies to fix the damage and conserve soil. These include soil conditioners like organic materials and lime, wind reduction techniques, cultivation techniques, and avoiding the use of marginal lands. It's like having a magic cleaning kit to fix the kitchen mess!
    • Real-world example: The Great Green Wall initiative in Africa is aimed at combating desertification by planting a 7,600 km long belt of trees.

Key terms & techniques🌿

  • Deforestation: Clearing large areas of forests for other uses, like agriculture or urbanization.
  • Intensive Grazing: Allowing animals to graze heavily on a piece of land, which can harm the soil.
  • Monoculture: Growing only one type of crop on a piece of land, which can deplete certain nutrients in the soil.
  • Soil Erosion: The removal of the topsoil layer, often due to wind or water, which makes the soil less fertile.
  • Salinization: The build-up of salts in soil, often due to over-irrigation, which makes the soil infertile.
  • Desertification: The process of fertile lands becoming desert-like due to various factors, including overgrazing, deforestation, or inappropriate agriculture.
  • Soil Conditioners: Substances, like organic materials and lime, used to improve soil quality.
  • Wind Breaks/Shelter Belts: Planting trees or erecting barriers to reduce wind speed and thus, soil erosion.
  • Terracing: Converting slopes into steps to prevent soil erosion and runoff.
  • Contour Ploughing: Ploughing across the contour lines to prevent soil erosion.
  • Strip Cultivation: Growing crops in a narrow strip, alternating with a fallow strip, to reduce soil erosion.

That's all, folks! Keep these points in mind, and you'll ace any discussion on soil changes. Now go, protect our soil like the real environmental warrior you are! 🌳🌍💪

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IB Resources
Unit 5 - Soil Systems & Terrestrial Food Production Systems & Societies
Environmental Systems & Societies SL
Environmental Systems & Societies SL

Unit 5 - Soil Systems & Terrestrial Food Production Systems & Societies

Revitalize Earth: Soil's Secret Life & Rescue

Word Count Emoji
585 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Key concepts🌍

  • Soil Development: Soil doesn't just pop out of nowhere. It takes a significant amount of time to form. Imagine it as a fantastic slow-cooking recipe where nature takes thousands of years to prepare the perfect dish!

  • Human Impact on Soil: We humans, in a rush, can mess up this perfect dish rather quickly. Our activities like deforestation, intensive grazing, urbanization, and certain agricultural practices can cause serious harm to soil. It's like cooking up a storm and leaving the kitchen in a wreck, except in this case, the kitchen is our environment!
    • Real-world example: A clear example is the Amazon Rainforest. Massive deforestation practices to make way for agriculture have severely impacted the soil, making it less fertile and more susceptible to erosion.
  • Soil Degradation: The destruction of the soil's health and productivity is called soil degradation. When we damage the soil, it could lead to soil erosion, toxification, salinization, and even turn fertile land into a desert. Imagine a rich, productive farmland slowly turning into a barren wasteland. Scary, right?
    • Real-world example: The Dust Bowl in the 1930s USA is a prime example of how improper farming practices and drought can lead to severe soil erosion and degradation.
  • Soil Conservation: But fear not! We do have strategies to fix the damage and conserve soil. These include soil conditioners like organic materials and lime, wind reduction techniques, cultivation techniques, and avoiding the use of marginal lands. It's like having a magic cleaning kit to fix the kitchen mess!
    • Real-world example: The Great Green Wall initiative in Africa is aimed at combating desertification by planting a 7,600 km long belt of trees.

Key terms & techniques🌿

  • Deforestation: Clearing large areas of forests for other uses, like agriculture or urbanization.
  • Intensive Grazing: Allowing animals to graze heavily on a piece of land, which can harm the soil.
  • Monoculture: Growing only one type of crop on a piece of land, which can deplete certain nutrients in the soil.
  • Soil Erosion: The removal of the topsoil layer, often due to wind or water, which makes the soil less fertile.
  • Salinization: The build-up of salts in soil, often due to over-irrigation, which makes the soil infertile.
  • Desertification: The process of fertile lands becoming desert-like due to various factors, including overgrazing, deforestation, or inappropriate agriculture.
  • Soil Conditioners: Substances, like organic materials and lime, used to improve soil quality.
  • Wind Breaks/Shelter Belts: Planting trees or erecting barriers to reduce wind speed and thus, soil erosion.
  • Terracing: Converting slopes into steps to prevent soil erosion and runoff.
  • Contour Ploughing: Ploughing across the contour lines to prevent soil erosion.
  • Strip Cultivation: Growing crops in a narrow strip, alternating with a fallow strip, to reduce soil erosion.

That's all, folks! Keep these points in mind, and you'll ace any discussion on soil changes. Now go, protect our soil like the real environmental warrior you are! 🌳🌍💪

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Environmental Systems & Societies SL. Subscribe now and get closer to that 45 🌟

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