Environmental Changes in Springs

The video explores the beauty and environmental changes of the springs, highlighting the impact of nitrates from fertilizers and waste on the ecosystem. Over the past 20 years, the springs have seen a decline in flow and clarity, with native vegetation being replaced by filamentous algae. The video discusses the sources of nitrates, such as agriculture and waste, and their detrimental effects on water quality and aquatic life. Despite these changes, the springs remain a beautiful place to visit.

What natural phenomenon is described as 'otherworldly' in the springs?

• The sound of water

• The light peering through

• The smell of the algae

• The movement of fish

What animal is mentioned as swimming into Manitou Springs?

• Shark

• Turtle

• Dolphin

• Manatee

What has happened to the springs over the past 20 years?

• They have become more vibrant

• They have declined in flow

• They have become warmer

• They have increased in size

Which type of vegetation has disappeared from many springs?

• Coral reefs

• Mangroves

• Eel grass

• Seaweed

What type of algae has taken over the springs?

• Blue-green algae

• Filamentous algae

• Brown algae

• Red algae

What is one reason for the imbalance in the springs' ecosystem?

• Lack of sunlight

• Increased fish population

• Excessive rainfall

• High nitrate levels

What is considered a background level of nitrates in the springs?

• 0.10

• 0.30

• 0.05

• 0.20

What is the nitrate level at which spring water is considered impaired?

• 0.55

• 0.45

• 0.35

• 0.25

What is the current nitrate level in the spring being dived at?

• 0.8 to 0.9 milligrams

• 1.5 to 1.6 milligrams

• 0.5 to 0.6 milligrams

• 1.2 to 1.3 milligrams

Despite the changes, what aspect of the springs is still appreciated?

• The clear blue water

• The warm temperature

• The abundance of fish

• The sandy beaches