Savanna

L. B. Hutley, S. A. Setterfield

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

Abstract

Savannas are characterized by the coexistence of trees and grasses and occur largely in the seasonal tropics between the equatorial rainforests and mid-latitude desert ecosystems. This article describes the defining elements of the savanna biome and documents global savanna distribution and relationships with climate. It examines the influence of the four dominant environmental factors that determine savanna structure and function; available moisture and nutrients, fire occurrence and impacts from herbivory, and the interactions between these environmental determinants. Savannas can be considered as a metastable mixture of trees and grasses, and theories advanced to explain the stability, or otherwise, of this coexistence are discussed. Current issues in savanna management and threats to long-term sustainability are also described.

Original languageEnglish
Title of host publicationEncyclopedia of Ecology, Five-Volume Set
EditorsSven Erik Jørgensen, Brian D. Fath
PublisherElsevier
Pages3143-3154
Number of pages12
ISBN (Electronic)9780080914565
ISBN (Print)9780080454054
DOIs
Publication statusPublished - 2008

Fingerprint

savanna
savannas
Poaceae
coexistence
Ecosystem
grass
grasses
Herbivory
ecosystems
biome
Climate
herbivory
rainforest
rain forests
Grassland
deserts
tropics
environmental factor
herbivores
desert

Cite this

Hutley, L. B., & Setterfield, S. A. (2008). Savanna. In S. E. Jørgensen, & B. D. Fath (Eds.), Encyclopedia of Ecology, Five-Volume Set (pp. 3143-3154). Elsevier. https://doi.org/10.1016/B978-008045405-4.00358-X
Hutley, L. B. ; Setterfield, S. A. / Savanna. Encyclopedia of Ecology, Five-Volume Set. editor / Sven Erik Jørgensen ; Brian D. Fath. Elsevier, 2008. pp. 3143-3154
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Hutley, LB & Setterfield, SA 2008, Savanna. in SE Jørgensen & BD Fath (eds), Encyclopedia of Ecology, Five-Volume Set. Elsevier, pp. 3143-3154. https://doi.org/10.1016/B978-008045405-4.00358-X

Savanna. / Hutley, L. B.; Setterfield, S. A.

Encyclopedia of Ecology, Five-Volume Set. ed. / Sven Erik Jørgensen; Brian D. Fath. Elsevier, 2008. p. 3143-3154.

Research output: Chapter in Book/Report/Conference proceedingChapterResearchpeer-review

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AB - Savannas are characterized by the coexistence of trees and grasses and occur largely in the seasonal tropics between the equatorial rainforests and mid-latitude desert ecosystems. This article describes the defining elements of the savanna biome and documents global savanna distribution and relationships with climate. It examines the influence of the four dominant environmental factors that determine savanna structure and function; available moisture and nutrients, fire occurrence and impacts from herbivory, and the interactions between these environmental determinants. Savannas can be considered as a metastable mixture of trees and grasses, and theories advanced to explain the stability, or otherwise, of this coexistence are discussed. Current issues in savanna management and threats to long-term sustainability are also described.

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KW - Evergreen

KW - Fire

KW - Grazing

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KW - Phenology

KW - Seasonal tropics

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Hutley LB, Setterfield SA. Savanna. In Jørgensen SE, Fath BD, editors, Encyclopedia of Ecology, Five-Volume Set. Elsevier. 2008. p. 3143-3154 https://doi.org/10.1016/B978-008045405-4.00358-X