'Herbivory' diaporamas de présentation

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Introduction

Introduction

Introduction. What is a Community? A community is defined as an assemblage of species living close enough together for potential interaction. Communities differ in their species richness , the number of species they contain, and the relative abundance of different species.

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610 views • 45 slides
Climate change, grass invasions, and woody plant dynamics in semi- arid savannas

Climate change, grass invasions, and woody plant dynamics in semi- arid savannas

Jake Weltzin Department of Ecology and Evolutionary Biology University of Tennessee. Climate change, grass invasions, and woody plant dynamics in semi- arid savannas. NASA. Clay - Pleistocene. Sand - Holocene. >100. 80. 60. 40. 20. %. 0. -20. -40. -60. -80. -100.

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492 views • 36 slides
Ecology 5.1, G.1, G.2, 5.2, 5.3, G.3 Evolution D.1, 5.4, D.2, 5.5, D.3

Ecology 5.1, G.1, G.2, 5.2, 5.3, G.3 Evolution D.1, 5.4, D.2, 5.5, D.3

Ecology 5.1, G.1, G.2, 5.2, 5.3, G.3 Evolution D.1, 5.4, D.2, 5.5, D.3. Vocab Quiz on Friday, March 22 nd. Species Habitat Community Primary succession Secondary succession Ecosystem Ecology Autotroph Heterotroph. Consumers Detritovores Biomagnification Saprotrophs Trophic level

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477 views • 29 slides
Readings

Readings

Readings. Chapter 11 textbook Connell, J. H., and R. O. Slatyer. 1977. Mechanisms of succession in natural communities and their role in community stability and organization. The American Naturalist 111 :1119-1144. Outline. Intermediate disturbance hypothesis Dynamic equilibrium hypothesis

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Chapter 53

Chapter 53

Chapter 53. Community Ecology & Interspecific Interactions. Species Interactions. Intraspecific Interspecific. Interspecific Interactions. Competition Competitive Exclusion Principle Fundamental niches vs. realized niche. Interspecific Interactions. Predator-Prey Relationships

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Invasion of Melaleuca Quinquenervia in Southern Florida by: Val Steinbronn

Invasion of Melaleuca Quinquenervia in Southern Florida by: Val Steinbronn

Invasion of Melaleuca Quinquenervia in Southern Florida by: Val Steinbronn. Introduced Species. Native to Australia Impacts fire management in S. Florida Changes soil topography Invades Cladium jamaicensis marshes. Plant Facts. Grows up to 90 feet high(20 meters) Forms dense stands

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237 views • 8 slides
Invasion of Melaleuca Quinquenervia in Southern Florida by: Val Steinbronn

Invasion of Melaleuca Quinquenervia in Southern Florida by: Val Steinbronn

Invasion of Melaleuca Quinquenervia in Southern Florida by: Val Steinbronn. Introduced Species. Native to Australia Impacts fire management in S. Florida Changes soil topography Invades Cladium jamaicensis marshes. Plant Facts. Grows up to 90 feet high(20 meters) Forms dense stands

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81 views • 8 slides

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