Unsustainable Resource Use Quiz
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Questions and Answers

What is the role of monitoring and enforcement in managing biotic resources sustainably?

  • Prevent any form of fishing.
  • Increase the population of all species.
  • Ensure compliance with regulations such as quotas and seasons. (correct)
  • Promote illegal fishing to support local economies.
  • How does aquaculture contribute to resource management?

  • It eliminates the need for wild fish species.
  • It has no impact on biotic resource sustainability.
  • It reduces pressure on wild stocks but requires careful management. (correct)
  • It encourages overfishing of freshwater species.
  • What approach does resource substitution involve?

  • Using only rare species for consumption.
  • Replacing a threatened resource with one that is less threatened. (correct)
  • Introducing new fish species to local ecosystems.
  • None of the above.
  • Which strategy can help recover habitats that support biotic resources?

    <p>Afforestation and restoration projects. (C)</p> Signup and view all the answers

    What is a potential risk of aquaculture if not managed properly?

    <p>Negative impacts on the environment. (B)</p> Signup and view all the answers

    What is the primary reason illegal logging is difficult to control in poor countries?

    <p>Lack of economic development opportunities (D)</p> Signup and view all the answers

    Which fishing practice is often linked to overfishing and negatively affects marine ecosystems?

    <p>Destructive fishing methods like trawling (C)</p> Signup and view all the answers

    What is a major consequence of the illegal trade in wild-caught exotic species?

    <p>Decreased biodiversity (D)</p> Signup and view all the answers

    Which of the following is NOT a reason for unsustainable fishing practices?

    <p>Strict fishing quotas (D)</p> Signup and view all the answers

    How does overfishing primarily impact marine ecosystems?

    <p>By disrupting predator-prey interactions (C)</p> Signup and view all the answers

    What initiative can contribute to the sustainable management of marine resources?

    <p>Quotas that limit harvesting of certain species (B)</p> Signup and view all the answers

    What has been a significant result of the ban on commercial whaling upheld by most countries?

    <p>Recovery of most whale species (D)</p> Signup and view all the answers

    Which factor contributes to difficulties in regulating overharvesting of wild animals in developing regions?

    <p>Poverty-driven hunting practices (A)</p> Signup and view all the answers

    Flashcards

    Unsustainable logging

    Logging practices that deplete forests and harm biodiversity, often in tropical regions due to lack of development controls.

    Overfishing

    Catching fish faster than they can reproduce, depleting fish stocks and disrupting marine ecosystems.

    Unsustainable hunting

    Killing wild animals faster than they replenish, often driven by poverty and demand for specific products like ivory.

    Sustainable forestry

    Forest management practices that allow the forest to maintain itself, replenish trees, and protect biodiversity.

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    By-catch

    Unintentional catch of non-target species in fishing practices, such as juveniles.

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    Quotas

    Limits placed on the amount of a species that can be harvested to ensure sustainability.

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    Protected habitat

    Designated areas where species are safe from overexploitation to allow for reproduction.

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    Destructive fishing methods

    Fishing techniques that harm marine environments and ecosystems, such as trawling.

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    Sustainable Biotic Resource Management

    Managing populations of species, and enforcing rules like quotas and size limits, to use resources responsibly.

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    Afforestation and Habitat Restoration

    Planting trees and creating or fixing damaged habitats to support a variety of species.

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    Aquaculture

    Farming fish, shellfish, and aquatic plants.

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    Resource Substitution

    Replacing endangered resources with less threatened ones.

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    Aquaculture Impact

    Producing seafood reduces stress on wild fish, but requires good management to prevent environmental problems.

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    Study Notes

    Unsustainable Resource Use

    • Tropical forest logging is often unsustainable and illegal, leading to biodiversity loss. Lack of development opportunities in poor countries hinders control.
    • European and North American forestry practices often include planned harvests, tree replacements, and mixed forest areas to support biodiversity.
    • Hunting and fishing pose significant threats to wildlife populations. Overhunting occurs in developing regions, driven by poverty. Illegal wildlife trade also threatens rare species. Recreational hunting, in well-regulated areas, is less impactful.
    • Commercial whaling driven by demand for meat and blubber has nearly led to extinction of several species. Most countries support a ban on commercial whaling, promoting species recovery.
    • Overfishing depletes many fisheries, affecting commercially important species like bluefin tuna and North Atlantic cod. Overfishing disrupts marine ecosystems.
    • Overfishing is driven by increased demand, destructive fishing methods (like trawling), by-catches, large fishing fleets, large boats and technology, illegal fishing, and unfair fishing agreements targeting developing nations.

    Sustainable Resource Management

    • Quotas, like those on bluefin tuna, limit harvesting.
    • Protected habitats (terrestrial and marine) safeguard species from overexploitation.
    • Monitoring and enforcement of laws (quotas, hunting seasons, minimum fish size) improve sustainability.
    • Afforestation and habitat restoration projects support biodiversity, creating or recovering habitats.
    • Aquaculture provides an alternative, reducing pressure on wild stocks, but needs environmental management.
    • Resource substitution promotes using less endangered species, like mackerel instead of rarer fish.

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    Description

    Test your knowledge on the impacts of unsustainable resource use, including logging, hunting, and fishing practices. This quiz covers the consequences for biodiversity and wildlife populations globally. Explore the effects of overfishing and illegal wildlife trade on ecosystems.

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