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Primary Succession The establishment and development of an ecosystem in an area that was previously uninhabited Lichens and mosses Grasses And small shrubs Large shrubs and small trees Large trees
Surtsey: A Case Study The island of Surtsey formed by volcanic eruption off of the coast of Iceland during the period from 1963 - 1967
Surtsey – Post Eruption
Secondary Succession The recovery of a damaged ecosystem in an area where the soil was left intact Fireweed Sequoia seedling
Case Study: Yellowstone National Park 1988 – Devastating forest fires burn much of Yellowstone National Park. Photo: National Parks Service
Yellowstone National Park 1988 – Park map showing areas (1.6 million acres) burned by the series of fires.
Yellowstone National Park 1988 fires – The immediate aftermath. Photo: National Parks Service
Yellowstone National Park One year after the fires Note the appearance of fireweed Photo: National Parks Service
Yellowstone National Park Ten years after the fires (1998) Photo: National Parks Service
Yellowstone National Park Twenty years after the fires (2008)
Case Study - Chernobyl In April, 1986, a nuclear power plant in the former USSR experienced a core meltdown and a catastrophic release of radioactivity into the environment.
Chernobyl Surrounding towns and villages had to be immediately, permanently abandoned.
Chernobyl – Twenty Years Later
Pripyat town square.
Chernobyl – Twenty Years Later Pripyat Soccer Stadium opened in 1986.
Chernobyl – Twenty Years Later A local highway.
Lecture #2 Ecological Succession Unit 7: Ecology.
Lecture # 1 Ecological Hierarchy & Ecosystem Formation Unit 1: Ecology.
Succession Part II Ecosystems Unit, May 18 th 2007.
Types of Succession Succession is the natural change of an ecosystem over time. As time passes new species will be introduced to ecosystems. The rate of.
How Ecosystems Change Naturally. What changes will you see?
Ecological Succession Chapter 2 Section 2. Bell Work Imagine you have been hired to oversee the maintenance of a forest. How would you evaluate the.
Ecological Succession Change in an ecosystem. Primary Succession Succession that takes place where no soil had previously existed Ex: land created by.
Ecological Succession -may result from natural orderly changes, or from rapid changes due to disasters, such as fire, etc. -succession occurs as a series.
Ecological Succession Changing Ecosystems. Biodiversity Biodiversity is the variety of organisms in a given area. Physical factors (abiotic) have.
Bare rock is exposed due to some type of disturbance like a retreating glacier or volcanic eruption. No soil is present. Pioneer species, like lichens.
#1#2 #3 #4 Ecological Succession: Change over Time Two Types of Succession Primary succession - An ecosystem starts from bare rock Secondary succession.
Ecological Succession Environmental Science. Ecological Succession Ecosystems are constantly changing. Ecological succession is a gradual process.
Ecological Succession. Sudden Changes Sudden changes can occur in ecosystems in a many ways o Forest Fire o Volcanic Eruptions Often times, this is very.
Section 3: How Ecosystems Change
How Ecosystems WorkSection 3 Ecosystems are constantly changing. Ecological succession is a gradual process of change and replacement of the types of species.
Warm Up Complete the following Venn Diagram in your composition book. It should be assignment # 15 (after the Foldable [1st] or Comparison Chart [3rd,
Orderly, natural changes and species replacements that take place in the communities of an ecosystem. Follows a predictable, orderly pattern. (Think.
How Ecosystems WorkSection 3 DAY ONE Chapter 5 How Ecosystems Work Section 3: How Ecosystems Change.
How Ecosystems Change: Ecological Succession ES Textbook, Chapter 5 Pages
14.5 Ecological Succession OBJECTIVE Students will describe the process of primary succession and will be able to explain the difference between primary.
ECOLOGICAL SUCCESSION New Beginnings. Bellringer How does bare rock become a dense forest?
Succession in Ecosystems. What caused this? Equilibrium What did the events do to the earth? How did the events do this? What part of the earth was.
Bell Work Imagine you have been hired to oversee the maintenance of a forest. How would you evaluate the health of the forest? What actions would you take.
How Ecosystems WorkSection 3 Section 3: How Ecosystems Change Preview Bellringer Objectives Ecological Succession.
Ecological Succession: (Important info in blue)
Succession study guide
Think About It What happens to an open field after a major fire has destroyed the area? After a volcanic eruption, and new land is formed will life exist.
Equilibrium in Ecosystems
Succession in Ecosystems
14.5 Ecological Succession KEY CONCEPT Ecological succession is a process of change in the species that make up a community.
Copyright © by Holt, Rinehart and Winston. All rights reserved. ResourcesChapter menu Objectives Chapter 5 Section 3 How Ecosystems Change List two examples.
Unit 5 Section 3 Succession. Ecological Succession Succession is a series of more or less predictable changes that occur in a community over time. As.
Succession: Equilibrium in Ecosystems
What Is an Ecosystem?. Interactions of Organisms and Their Environment Ecology is the study of the interactions of living organisms with one another and.
Primary Succession Defined: Establishment and development of an ecosystem in an uninhabited environment Volcanic lava creates new land Glaciers retreating.
Mature forest. Forest fire After a forest fire Does it remain empty and dead forever? What will this area look like in 200 years? Why? What aim does.
Succession… Changes in the structure of a community of organisms; the replacement of existing species by more recently arriving species.
What are some factors that affect the environment?
Succession in Ecosystems. Succession- Succession: a series of changes in a community in which new populations of organisms gradually replace existing.
Ecological Succession. Succession Primary succession: development of a new community with no previous life. No soil is initially present. Very.
Ecological Succession. Examples of Changing Ecosystems A forest could have been a shallow lake a thousand years ago. Mosses, shrubs, and small trees cover.
Succession. Succession – is orderly, natural changes that take place in the community of an ecosystem. Succession – is orderly, natural changes that take.
The following will be covered in the lesson: Predict how an ecosystem will change as a result of major changes in an abiotic and/or biotic factor.
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