Sea Turtles and Light Pollution

Abby Chapali discusses the impact of light pollution on sea turtles, focusing on ecological light pollution. She explains how artificial lighting affects sea turtle hatchlings, leading them away from the ocean and causing ecological imbalances. The talk highlights the importance of sea turtles in maintaining healthy ecosystems and proposes solutions like beach lighting regulations and using low-pressure sodium lamps to mitigate the effects of light pollution.

What is the primary focus of ecological light pollution?

• Climate change

• Astronomical observations

• Chronic increased illumination affecting ecosystems

• Urban development

Where do sea turtles typically lay their eggs?

• In freshwater lakes

• On the beach

• In the ocean

• In the forest

What natural phenomenon do sea turtles use to navigate to the ocean?

• Wind patterns

• Starlight

• Moonlight

• Sunlight

Why are sea turtles important for seagrass ecosystems?

• They help maintain seagrass health by eating it

• They pollinate the seagrass

• They provide shade for seagrass

• They fertilize the seagrass

What is one consequence of declining sea turtle populations on the ecosystem?

• Increased seagrass growth

• Decreased secondary consumer populations

• More beach vegetation

• Higher fish populations

What is one proposed solution to reduce light pollution on beaches?

• Increase the number of streetlights

• Use low pressure sodium lamps

• Build taller buildings

• Install more LED lights

What is a drawback of using low pressure sodium lamps?

• They have a poor color rendition

• They are too bright

• They are less durable

• They are more attractive to animals

What is a potential safety concern with sodium lamps?

• They can cause fires

• They are too expensive to maintain

• They provide insufficient color for visibility

• They emit harmful radiation

Why might cities be hesitant to switch to sodium lamps despite their benefits?

• They require frequent replacement

• They are not available in all regions

• They have higher initial costs

• They are less energy efficient

What is a common reason citizens petition for changes in beach lighting?

• To enhance beach aesthetics

• To reduce energy costs

• To save endangered species

• To improve tourism