Biodiversity and Conservation
Biodiversity is the foundation of ecosystem services. This chapter addresses the hierarchical levels of biodiversity, the catastrophic loss triggered by human activity, and the global efforts to conserve threatened species.
Learning Objectives
- •Define Genetic, Species, and Ecosystem biodiversity
- •Identify the scientific criteria for Biodiversity Hotspots
- •Contrast In-situ and Ex-situ conservation methods
- •Analyze the primary threats to modern biodiversity
Key Concepts
Biodiversity Hotspots
Regions with a high concentration of endemic species experiencing significant habitat loss. There are currently 36 such areas globally.
Conservation Strategies
In-situ conservation protects species in their natural habitat (National Parks), while Ex-situ involves relocation (Botanical gardens/Zoos).
Terminology
Historical Insight
The Western Ghats
A global biodiversity hotspot in India with countless endemic species of plants and animals.
Quick Check
What is 'In-situ' conservation?
Who publishes the 'Red List'?
How to use this lesson
Read the overview first, then explain the main idea in your own words before checking the key concepts. Use the quick-check questions without looking at the answer. For examination preparation, verify dates, definitions, and syllabus requirements against your official textbook and school or examination-board guidance.
Test Your Knowledge
Ready to check your understanding of this chapter? Take our interactive practice quiz.