CBSE 11 Fundamental of Physical Geography | 14. Biodiversity and Conservation by Pavan | Learn Smarter
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Knowledge
14. Biodiversity and Conservation

Biodiversity encompasses the variety of life on Earth, which is fundamentally vital for human existence. It plays significant ecological, economic, and scientific roles, with three primary levels: genetic, species, and ecosystem diversity. However, human activities have led to a rapid decline in biodiversity, necessitating concerted conservation efforts.

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Sections

  • 14

    Biodiversity And Conservation

    This section discusses the concept of biodiversity, its importance, and the pressing need for conservation due to human-induced threats.

    Learning Practice

  • 14.1

    Genetic Diversity

    Genetic diversity refers to the variation of genes within species, crucial for the survival and evolution of life.

    Learning Practice

  • 14.1.1

    Species Diversity

    Species diversity refers to the variety and abundance of species in a given area, influenced by various factors including genetic diversity and ecosystem health.

    Learning Practice

  • 14.1.2

    Ecosystem Diversity

    Ecosystem diversity refers to the variety of ecosystems within a geographical area and the ecological processes that sustain them.

    Learning Practice

  • 14.1.3

    Importance Of Biodiversity

    Biodiversity is essential for ecological balance, economic resources, and scientific research, with varying levels in different geographic regions.

    Learning Practice

  • 14.1.4

    Ecological Role Of Biodiversity

    This section explores the ecological significance of biodiversity, highlighting how various species contribute to ecosystem stability and functioning.

    Learning Practice

  • 14.1.5

    Economic Role Of Biodiversity

    Biodiversity is a vital economic resource providing essential commodities for food, pharmaceuticals, and other products.

    Learning Practice

  • 14.1.6

    Scientific Role Of Biodiversity

    Biodiversity encompasses genetic, species, and ecosystem diversity, playing an essential scientific role in understanding evolutionary processes and ecological functions.

    Learning Practice

  • 14.2

    Loss Of Biodiversity

    The section discusses the alarming rates of biodiversity loss primarily due to human activities, highlighting the importance of conserving biodiversity for ecological balance and human survival.

    Learning Practice

  • 14.2.1

    Endangered Species

    This section discusses the importance of biodiversity and the various levels of diversity, including endangered species and the need for conservation.

    Learning Practice

  • 14.2.2

    Vulnerable Species

    This section discusses vulnerable species, highlighting their risk of extinction and various factors contributing to their decline.

    Learning Practice

  • 14.2.3

    Rare Species

    This section discusses rare species, emphasizing their limited populations and geographical distribution.

    Learning Practice

  • 14.3

    Conservation Of Biodiversity

    Biodiversity, encompassing genetic, species, and ecosystem diversity, is essential for ecological balance and human survival, but it faces significant threats due to human activity.

    Learning Practice

  • 14.4

    Steps For Biodiversity Conservation

    This section outlines the critical steps needed for the conservation of biodiversity and the importance of these efforts.

    Learning Practice

  • 14.4.1

    Conservation Strategies

    This section discusses biodiversity, its importance, and various conservation strategies aimed at preserving threatened species and ecosystems.

    Learning Practice

  • 14.4.2

    International Collaboration

    This section explores the role of international collaboration in biodiversity conservation, highlighting the importance of teamwork among nations to address the global challenges posed by the loss of biodiversity.

    Learning Practice

  • 14.4.3

    Local Community Involvement

    Local community involvement is crucial for biodiversity conservation, emphasizing the role communities play in safeguarding their environment.

    Learning Practice

  • 14.5

    Exercises

    This section encompasses various exercises aimed at assessing understanding of biodiversity and conservation concepts.

    Learning Practice

References

poi.pdf

Class Notes

Memorization

What we have learnt

  • Biodiversity is a combinati...
  • There are three levels of b...
  • Human activities have signi...

Final Test

Revision Tests