5.8 Impacts of Overfishing

• What happens when the rate of harvesting fish exceeds their natural reproduction rate?

  Overfishing
• Trawling destroys the seabed
• Long-lining harms seabirds and sea turtles.
• What is a common consequence of net fishing?

  Depletion of fish populations
• Match the fishing method with its economic effect:

  Trawling ↔️ Reduced profitability

  Long-lining ↔️ High operational costs

  Net fishing ↔️ Uncertainty in fisheries
• Order the causes of overfishing based on their impact:

  1️⃣ Increased demand

  2️⃣ Technological advancements

  3️⃣ Subsidies

  4️⃣ Illegal fishing

  5️⃣ Poor management
• Targeting mature fish reduces their breeding
• Overfishing can disrupt entire marine food webs.
• What happens to an ecosystem when biodiversity is reduced by overfishing?

  Becomes vulnerable
• Why is it difficult for marine ecosystems to recover from overfishing?

  Long-term damage
• Reduced fish stocks lead to lower catch volumes
• Overfishing can negatively impact tourism revenue.
• Match the community group with the social implication of overfishing:

  Coastal Communities ↔️ Major job losses

  Indigenous Communities ↔️ Loss of cultural practices

  Global Populations ↔️ Higher seafood prices
• The impact on indigenous communities is particularly severe as their cultural practices and economic stability are tied to traditional fishing
• Global populations are severely impacted by overfishing due to traditional diets.

  False
• Match the community with the primary impact of overfishing:

  Coastal Communities ↔️ Significantly affected food security

  Indigenous Communities ↔️ Severely impacted cultural practices

  Global Populations ↔️ Moderately impacted food prices
• What critical food source is threatened by overfishing, especially in coastal communities?

  Fish
• Overfishing disrupts marine ecosystems by exceeding the rate of fish reproduction.
• Overfishing depletes fish stocks, alters food webs, and threatens biodiversity
• Match the cause of overfishing with its impact:

  Increased demand ↔️ Drives intensive fishing

  Technological advancements ↔️ Enables larger catches

  Subsidies ↔️ Reduces operational costs

  Illegal fishing ↔️ Evades conservation efforts

  Poor management ↔️ Exacerbates overfishing

  Climate change ↔️ Alters fish distribution
• What is a primary driver of overfishing due to rising global demand for seafood?

  Increased demand
• Modern fishing technologies enable larger catches and access to previously untouched grounds
• Government subsidies for fishing fleets can encourage overfishing.
• Order the causes of overfishing from most direct to least direct impact:

  1️⃣ Increased demand

  2️⃣ Technological advancements

  3️⃣ Subsidies

  4️⃣ Illegal fishing

  5️⃣ Poor management

  6️⃣ Climate change
• What role does poor fisheries management play in overfishing?

  Exacerbates overfishing
• Illegal fishing evades conservation efforts, depleting fish stocks
• Poor fisheries management exacerbates overfishing.
• Match the cause of overfishing with its impact:

  Increased demand ↔️ Drives intensive fishing

  Technological advancements ↔️ Enables larger catches

  Subsidies ↔️ Reduces operational costs
• Order the factors driving overfishing from most immediate to most indirect:

  1️⃣ Increased demand

  2️⃣ Technological advancements

  3️⃣ Subsidies

  4️⃣ Illegal fishing

  5️⃣ Poor management
• Government subsidies reduce operational costs for fishing fleets, encouraging overfishing
• Illegal fishing evades conservation efforts and depletes fish stocks.
• Increased demand for seafood drives intensive fishing.
• Technological advancements enable larger catches of fish.
• Rising global demand for seafood leads to more intensive fishing.
• Unregulated fishing activities evade conservation efforts, depleting fish stocks.
• Illegal fishing evades conservation efforts.
• Increased demand for seafood drives intensive fishing.
• Modern fishing technologies enable larger catches and access to untouched grounds.
• Poor management of fisheries exacerbates overfishing.
• Overfishing is driven by rising global demand for seafood.