'Keystone species' diaporamas de présentation

University of Phoenix Sci256 Week 2 material Ecosystems

University of Phoenix Sci256 Week 2 material Ecosystems. Ch 5,6,9,10 Ecosystems and Energy, Ecosystems and Living Organisms , Ecosystems and the Physical Environment, Major Ecosystems of the World , Controlling Pests.

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Chapter 37

Chapter 37. Communities and Ecosystems. Dining In Community structure and function depend on the interactions among organisms Example: Apanteles glomeratus wasp, Pieris rapae butterfly, and other wasps

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Chapter 7

Chapter 7. Community Ecology. Chapter Overview Questions. What determines the number of species in a community? How can we classify species according to their roles in a community? How do species interact with one another? How do communities respond to changes in environmental conditions?

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Loses of biodiversity

Loses of biodiversity. Natural Extinctions. Surprisingly, we know very little about natural extinctions In the past, known only from fossil records Physical evidence of cause rarely preserved Cause and Effect hard to establish Post hoc ergo propter hoc danger

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Ecosystem Diversity

Ecosystem Diversity. Importance of Diversity. Stability- stable environment Genetic reserves- genetic diversity Medicinal- medicines Agricultural- food Industrial- building homes; things we use Scientific- experimental; new technology Aesthetic- beautiful

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Digital Business Ecosystems: ICT in support of Lisbon Agenda

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Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms. Overview of Chapter 4. Evolution Natural Selection Biological Communities Symbiosis Predation & Competition Species Richness & Community Stability Community Development Succession. Evolution.

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Biodiversity

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U6115: Populations & Land Use Tuesday July 8, 2003

U6115: Populations & Land Use Tuesday July 8, 2003. What is Biodiversity Importance of Biodiversity Levels of Biodiversity Threats to Biodiversity Patterns of Biodiversity.

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Chapter 46

Chapter 46. Communities & Biodiversity. Communities. Multicelled organism Population Community Ecosystem Biosphere. Communities.

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Keystone and Non-Native Species

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Population Growth Curves

Population Growth Curves. Exponential vs. Logistic Growth Predator-Prey Population Cycles. Figure 53.12. Figure 53.22. Figure 53.25. Figure 53.20. What do Ecologists Study?. Ecosystem : all interactions between living things ( community ) and physical factors in a given area

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Framework for the Ecological Assessment of Impacted Sediments at Mining Sites in Region 7

Framework for the Ecological Assessment of Impacted Sediments at Mining Sites in Region 7 By Jason Gunter (R7 Life Scientist) gunter.jason@epa.gov and Venessa Madden (R7 Ecological Risk Assessor) Madden.venessa@epa.gov Purpose

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Estuaries

Estuaries Miles Bryan Matthew Okoneski Justin McCotter Definition of Estuary Estuary: Any body of water where freshwater and saltwater mix. Transition area from land to sea Often called bays, lagoons, and sounds Ex: Pamlico sound, Chesapeake Bay Contains many different habitats

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Biodiversity and Evolution: 4-4 to 4-6B

Biodiversity and Evolution: 4-4 to 4-6B. By Chris Nicolo. 4-4 How Do Speciation, Extinction, and Human Activities Affect Biodiversity?.

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Eastern Oyster

Eastern Oyster. Crassostrea virginica. Oyster Life Cycle. Pediveliger 2 weeks old Has a foot Spat About 1 year Spat prefer to settle on oyster shell Grow about 1 inch per year

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Nature in Balance

Nature in Balance. What role do we play ? b y Jo Picken , Texas A&M AgriLife Extension. Texas is a place like no other. most diverse state for plant and animal species. # ___. 2nd. Behind ______________. California. in number of endemic species. #___. 3rd.

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The Effect of Coyote Removal in Texas

The Effect of Coyote Removal in Texas . Emilie Lothet and Reshma Patel. Background of Coyotes. Coyotes are territorial Live in small groups Consume mammals, fruits, and insects Adapt to human control Acute senses Keystone species

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Environmental Conservation

Environmental Conservation. Biodiversity. Number of species in an area Biggest cause of loss of biodiversity is habitat destruction. . Causes of habitat destruction. Pollution Acid rain Global warming Species introduction/invasive species Loss of keystone species. Pollution.

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Chapter 7 Community Ecology

Chapter 7 Community Ecology. By Anna Kimsey. What determines number of species in a community?. Species richness : The number of different species a community contains. Species richness depends largely on the climate and climate structure of the area.

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