Flood pulse concept

High school (ages 12+)
Environment & Earth

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/flood-pulse-concept

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the ecological services provided?Nutrient cycling, habitat creation, seed dispersal, and support for high biodiversity
2. What is the threats to the pulse?Dam construction, channelization, and altered hydrological regimes
3. Why do floods help fish and insects?The floods bring fresh nutrients and create shallow waters where many fish can lay eggs and insects can grow.
4. How does the flood pulse move nutrients?When the river overflows, it carries dissolved and solid food, like nitrogen and phosphorus, into the floodplain, fertilizing the soil.

Flood Pulse Concept: A theory explaining how predictable seasonal river floods are essential for the ecological health and biodiversity of riverine ecosystems.
Floodplain: The low-lying land adjacent to a river that is subject to periodic inundation, serving as a critical interface between aquatic and terrestrial environments.
Hydrograph: A graph showing the rate of flow (discharge) versus time, often used to illustrate river level fluctuations and flood events.
Biogeochemical Cycling: The movement and transformation of chemical elements and compounds within living organisms and the Earth's non-living systems.