Exploring Maritime Natural Resources

What is marine biodiversity and why is it important?

• Marine biodiversity refers to the number of fish species only.

• Marine biodiversity is the variety of life in ocean ecosystems, and it is crucial for ecosystem health, food security, and climate regulation.

• Marine biodiversity is solely about coral reefs.

• Marine biodiversity is unimportant for human health.

Name three examples of marine organisms that contribute to biodiversity.

• Whales, starfish, plankton

• Sharks, jellyfish, seaweed

• Penguins, otters, crabs

• Corals, sea turtles, dolphins

What are coastal ecosystems and what types of habitats do they include?

• Mountainous regions and plateaus

• Coastal ecosystems include habitats such as mangroves, salt marshes, estuaries, coral reefs, and sandy beaches.

• Deserts, tundras, and grasslands

• Freshwater lakes and rivers

How do mangroves benefit coastal ecosystems?

• Mangroves are primarily used for timber production.

• Mangroves increase coastal flooding risk.

• Mangroves have no impact on local wildlife.

• Mangroves stabilize shorelines, reduce erosion, serve as nurseries for marine life, filter pollutants, and enhance biodiversity.

What is the role of coral reefs in marine biodiversity?

• Coral reefs are mainly composed of sand and rocks.

• Coral reefs are crucial for marine biodiversity as they support a wide variety of marine life and ecosystems.

• Coral reefs have no impact on marine life diversity.

• Coral reefs are primarily used for fishing and harvesting seafood.

Explain the concept of sustainable fisheries management.

• Sustainable fisheries management focuses solely on increasing fish catch rates.

• Sustainable fisheries management is about maximizing profits for fishing companies.

• It involves eliminating all fishing activities to protect marine life.

• Sustainable fisheries management is the practice of regulating fish populations and habitats to ensure long-term viability and ecological balance.

What are the main challenges facing fisheries today?

• Overfishing, habitat destruction, climate change, pollution, and regulatory issues.

• More fishing jobs

• Increased fish populations

• Improved water quality

How can overfishing impact marine ecosystems?

• Overfishing impacts marine ecosystems by disrupting food chains, reducing biodiversity, and damaging habitats.

• Overfishing has no effect on marine habitats or ecosystems.

• Overfishing increases fish populations and promotes biodiversity.

• Overfishing leads to more stable food chains and healthier marine life.

What are some methods used in fisheries management to ensure sustainability?

• Promoting overfishing to boost economy

• Methods include catch limits, size and bag limits, marine protected areas, aquaculture, and ecosystem-based management.

• Eliminating all fishing regulations

• Increasing fishing quotas annually

What are ocean resources and why are they valuable?

• Ocean resources are mainly harmful to the environment.

• Ocean resources are only valuable for tourism and leisure.

• Ocean resources are primarily used for recreational activities.

• Ocean resources are valuable for food, energy, raw materials, and economic opportunities.