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1 minScientific Concept
  1. Home
  2. /
  3. Concepts
  4. /
  5. Scientific Concept
  6. /
  7. Biodiversity
Scientific Concept

Biodiversity

What is Biodiversity?

Biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it. It encompasses the diversity of species, the genetic differences within species, and the variety of ecosystems.

Historical Background

The term 'biodiversity' gained prominence in the 1980s. The Convention on Biological Diversity (CBD) was established in 1992 as a global framework for biodiversity conservation.

This Concept in News

2 news topics

2

Great Nicobar Project Faces Scrutiny Over Tribal Relocation Plan

5 April 2026

The news surrounding the Great Nicobar Island mega-project vividly illustrates the practical challenges and ethical dilemmas inherent in managing biodiversity. It highlights how large infrastructure projects, driven by economic imperatives, can directly threaten ecologically sensitive areas and the unique species they harbor. The controversy underscores the tension between national development goals and international commitments to biodiversity conservation, as embodied in the Convention on Biological Diversity. The project's impact on indigenous communities also brings to the fore the social dimensions of biodiversity, including the rights of local populations who are often stewards of these ecosystems and the principle of 'fair and equitable sharing of benefits'. The scrutiny faced by the project, including legal challenges and tribal outcry, demonstrates a growing awareness and demand for greater transparency and environmental safeguards. Understanding biodiversity in this context means recognizing it not just as a collection of species, but as a complex web of life intertwined with human livelihoods, rights, and development aspirations, and appreciating the critical need for robust environmental impact assessments and inclusive decision-making processes to navigate such conflicts.

Dwarka Basin Reveals Ancient Marine Life and Geological History

25 March 2026

The Dwarka Basin fossil discovery illuminates the deep historical dimension of biodiversity. It shows that what we see today is the result of millions of years of evolution, adaptation, and extinction. The finding of 42 species, including new ones, demonstrates that our planet has always been a dynamic place for life, with periods of great richness and change. This historical perspective is crucial for understanding why biodiversity is so varied and why its loss today is so significant – we are losing not just current species, but the culmination of ancient evolutionary processes. For UPSC, this means understanding that biodiversity is not just about current conservation but also about appreciating evolutionary history and the long-term processes that shaped life. It also hints at the potential for discovering new resources (like genetic material) from ancient environments, linking to the Nagoya Protocol on benefit sharing. The geological context of the basin also implies that environmental changes over millennia have driven biodiversity shifts, a key factor in current climate change discussions.

1 minScientific Concept
  1. Home
  2. /
  3. Concepts
  4. /
  5. Scientific Concept
  6. /
  7. Biodiversity
Scientific Concept

Biodiversity

What is Biodiversity?

Biodiversity refers to the variety of life on Earth at all its levels, from genes to ecosystems, and the ecological and evolutionary processes that sustain it. It encompasses the diversity of species, the genetic differences within species, and the variety of ecosystems.

Historical Background

The term 'biodiversity' gained prominence in the 1980s. The Convention on Biological Diversity (CBD) was established in 1992 as a global framework for biodiversity conservation.

This Concept in News

2 news topics

2

Great Nicobar Project Faces Scrutiny Over Tribal Relocation Plan

5 April 2026

The news surrounding the Great Nicobar Island mega-project vividly illustrates the practical challenges and ethical dilemmas inherent in managing biodiversity. It highlights how large infrastructure projects, driven by economic imperatives, can directly threaten ecologically sensitive areas and the unique species they harbor. The controversy underscores the tension between national development goals and international commitments to biodiversity conservation, as embodied in the Convention on Biological Diversity. The project's impact on indigenous communities also brings to the fore the social dimensions of biodiversity, including the rights of local populations who are often stewards of these ecosystems and the principle of 'fair and equitable sharing of benefits'. The scrutiny faced by the project, including legal challenges and tribal outcry, demonstrates a growing awareness and demand for greater transparency and environmental safeguards. Understanding biodiversity in this context means recognizing it not just as a collection of species, but as a complex web of life intertwined with human livelihoods, rights, and development aspirations, and appreciating the critical need for robust environmental impact assessments and inclusive decision-making processes to navigate such conflicts.

Dwarka Basin Reveals Ancient Marine Life and Geological History

25 March 2026

The Dwarka Basin fossil discovery illuminates the deep historical dimension of biodiversity. It shows that what we see today is the result of millions of years of evolution, adaptation, and extinction. The finding of 42 species, including new ones, demonstrates that our planet has always been a dynamic place for life, with periods of great richness and change. This historical perspective is crucial for understanding why biodiversity is so varied and why its loss today is so significant – we are losing not just current species, but the culmination of ancient evolutionary processes. For UPSC, this means understanding that biodiversity is not just about current conservation but also about appreciating evolutionary history and the long-term processes that shaped life. It also hints at the potential for discovering new resources (like genetic material) from ancient environments, linking to the Nagoya Protocol on benefit sharing. The geological context of the basin also implies that environmental changes over millennia have driven biodiversity shifts, a key factor in current climate change discussions.

Key Points

8 points
  • 1.

    Includes genetic diversity, species diversity, and ecosystem diversity.

  • 2.

    Essential for ecosystem services like pollination, water purification, and climate regulation.

  • 3.

    Threatened by habitat loss, invasive species, pollution, climate change, and overexploitation.

  • 4.

    Conservation efforts include protected areas, species recovery programs, and sustainable resource management.

  • 5.

    CBD aims to conserve biodiversity, sustainably use its components, and ensure fair and equitable sharing of benefits arising from genetic resources.

  • 6.

    India is a megadiverse country with high levels of endemism.

  • 7.

    Biodiversity hotspots are regions with high levels of species richness and endemism that are under threat.

  • 8.

    The IUCN Red List assesses the conservation status of species worldwide.

Recent Real-World Examples

2 examples

Illustrated in 2 real-world examples from Mar 2026 to Apr 2026

Apr 2026
1
Mar 2026
1

Great Nicobar Project Faces Scrutiny Over Tribal Relocation Plan

5 Apr 2026

The news surrounding the Great Nicobar Island mega-project vividly illustrates the practical challenges and ethical dilemmas inherent in managing biodiversity. It highlights how large infrastructure projects, driven by economic imperatives, can directly threaten ecologically sensitive areas and the unique species they harbor. The controversy underscores the tension between national development goals and international commitments to biodiversity conservation, as embodied in the Convention on Biological Diversity. The project's impact on indigenous communities also brings to the fore the social dimensions of biodiversity, including the rights of local populations who are often stewards of these ecosystems and the principle of 'fair and equitable sharing of benefits'. The scrutiny faced by the project, including legal challenges and tribal outcry, demonstrates a growing awareness and demand for greater transparency and environmental safeguards. Understanding biodiversity in this context means recognizing it not just as a collection of species, but as a complex web of life intertwined with human livelihoods, rights, and development aspirations, and appreciating the critical need for robust environmental impact assessments and inclusive decision-making processes to navigate such conflicts.

Dwarka Basin Reveals Ancient Marine Life and Geological History

25 Mar 2026

The Dwarka Basin fossil discovery illuminates the deep historical dimension of biodiversity. It shows that what we see today is the result of millions of years of evolution, adaptation, and extinction. The finding of 42 species, including new ones, demonstrates that our planet has always been a dynamic place for life, with periods of great richness and change. This historical perspective is crucial for understanding why biodiversity is so varied and why its loss today is so significant – we are losing not just current species, but the culmination of ancient evolutionary processes. For UPSC, this means understanding that biodiversity is not just about current conservation but also about appreciating evolutionary history and the long-term processes that shaped life. It also hints at the potential for discovering new resources (like genetic material) from ancient environments, linking to the Nagoya Protocol on benefit sharing. The geological context of the basin also implies that environmental changes over millennia have driven biodiversity shifts, a key factor in current climate change discussions.

Related Concepts

Tribal RightsEnvironmental Impact AssessmentIndigenous CommunitiesTransshipment PortMiocene epochPaleontologyGeological historyTourismConservation EffortsPench Tiger ReserveClimate ChangeEcosystem+2 more

Source Topic

Great Nicobar Project Faces Scrutiny Over Tribal Relocation Plan

Environment & Ecology

UPSC Relevance

Crucial for UPSC GS Paper 3 (Environment & Ecology), frequently asked in Prelims and Mains. Understanding biodiversity is essential for addressing environmental challenges and promoting sustainable development.

On This Page

DefinitionHistorical BackgroundKey PointsReal-World ExamplesRelated ConceptsUPSC RelevanceSource Topic

Source Topic

Great Nicobar Project Faces Scrutiny Over Tribal Relocation PlanEnvironment & Ecology

Related Concepts

Tribal RightsEnvironmental Impact AssessmentIndigenous CommunitiesTransshipment PortMiocene epochPaleontologyGeological historyTourism+6 more

Key Points

8 points
  • 1.

    Includes genetic diversity, species diversity, and ecosystem diversity.

  • 2.

    Essential for ecosystem services like pollination, water purification, and climate regulation.

  • 3.

    Threatened by habitat loss, invasive species, pollution, climate change, and overexploitation.

  • 4.

    Conservation efforts include protected areas, species recovery programs, and sustainable resource management.

  • 5.

    CBD aims to conserve biodiversity, sustainably use its components, and ensure fair and equitable sharing of benefits arising from genetic resources.

  • 6.

    India is a megadiverse country with high levels of endemism.

  • 7.

    Biodiversity hotspots are regions with high levels of species richness and endemism that are under threat.

  • 8.

    The IUCN Red List assesses the conservation status of species worldwide.

Recent Real-World Examples

2 examples

Illustrated in 2 real-world examples from Mar 2026 to Apr 2026

Apr 2026
1
Mar 2026
1

Great Nicobar Project Faces Scrutiny Over Tribal Relocation Plan

5 Apr 2026

The news surrounding the Great Nicobar Island mega-project vividly illustrates the practical challenges and ethical dilemmas inherent in managing biodiversity. It highlights how large infrastructure projects, driven by economic imperatives, can directly threaten ecologically sensitive areas and the unique species they harbor. The controversy underscores the tension between national development goals and international commitments to biodiversity conservation, as embodied in the Convention on Biological Diversity. The project's impact on indigenous communities also brings to the fore the social dimensions of biodiversity, including the rights of local populations who are often stewards of these ecosystems and the principle of 'fair and equitable sharing of benefits'. The scrutiny faced by the project, including legal challenges and tribal outcry, demonstrates a growing awareness and demand for greater transparency and environmental safeguards. Understanding biodiversity in this context means recognizing it not just as a collection of species, but as a complex web of life intertwined with human livelihoods, rights, and development aspirations, and appreciating the critical need for robust environmental impact assessments and inclusive decision-making processes to navigate such conflicts.

Dwarka Basin Reveals Ancient Marine Life and Geological History

25 Mar 2026

The Dwarka Basin fossil discovery illuminates the deep historical dimension of biodiversity. It shows that what we see today is the result of millions of years of evolution, adaptation, and extinction. The finding of 42 species, including new ones, demonstrates that our planet has always been a dynamic place for life, with periods of great richness and change. This historical perspective is crucial for understanding why biodiversity is so varied and why its loss today is so significant – we are losing not just current species, but the culmination of ancient evolutionary processes. For UPSC, this means understanding that biodiversity is not just about current conservation but also about appreciating evolutionary history and the long-term processes that shaped life. It also hints at the potential for discovering new resources (like genetic material) from ancient environments, linking to the Nagoya Protocol on benefit sharing. The geological context of the basin also implies that environmental changes over millennia have driven biodiversity shifts, a key factor in current climate change discussions.

Related Concepts

Tribal RightsEnvironmental Impact AssessmentIndigenous CommunitiesTransshipment PortMiocene epochPaleontologyGeological historyTourismConservation EffortsPench Tiger ReserveClimate ChangeEcosystem+2 more

Source Topic

Great Nicobar Project Faces Scrutiny Over Tribal Relocation Plan

Environment & Ecology

UPSC Relevance

Crucial for UPSC GS Paper 3 (Environment & Ecology), frequently asked in Prelims and Mains. Understanding biodiversity is essential for addressing environmental challenges and promoting sustainable development.

On This Page

DefinitionHistorical BackgroundKey PointsReal-World ExamplesRelated ConceptsUPSC RelevanceSource Topic

Source Topic

Great Nicobar Project Faces Scrutiny Over Tribal Relocation PlanEnvironment & Ecology

Related Concepts

Tribal RightsEnvironmental Impact AssessmentIndigenous CommunitiesTransshipment PortMiocene epochPaleontologyGeological historyTourism+6 more