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Ecological dominance is the degree to which one or several species have a major influence controlling the other species in their ecological community (because of their large size, population, productivity, or related factors)[1 ] or make up more of the biomass . Both the composition and abundance of species within an ecosystem can be affected by the dominant species present.[2 ]
Rhizophoraceae (mangroves ) dominate tropical tidal swamps
In most of the world's ecosystems, biologists have repeatedly observed a rank-abundance curve in which ecosystems comprise a handful of incredibly abundant species, but more numerous, rarer species that are few in number.[3 ] [4 ] [5 ] [6 ] Danish botanist Christen C. Raunkiær described this phenomenon as his "law of frequency " in 1918, in which he recognized that in communities with a single species accounting for most of the biomass, species diversity was often lower.[7 ]
Understandably, biologists expect to see more profound effects from those species greater in number.[8 ] First formalized as the mass ratio hypothesis in a 1998 paper by English ecologist J. Philip Grime , ecologically dominant species are predicted to have overwhelming effects on ecosystem function and ecological processes due to their relatively high biomass and ubiquity.[9 ]
Androgopon scoparium and Andropogon gerardii dominate this tallgrass prairie in Delorme, Minnesota
Most ecological communities are defined by their dominant species.[10 ] [2 ]
There are currently several different metrics for assessing species dominance in natural ecosystems, including the importance value index ,[22 ] competitive index ,[23 ] community importance index ,[24 ] and dominance index .[2 ]
See also
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References
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^ Whittaker, R. H. (1965-01-15). "Dominance and Diversity in Land Plant Communities" . Science . 147 (3655): 250–260. Bibcode :1965Sci...147..250W . doi :10.1126/science.147.3655.250 . ISSN 0036-8075 . PMID 17788203 .
^ Alroy, John (2015-09-04). "The shape of terrestrial abundance distributions" . Science Advances . 1 (8 ): e1500082. Bibcode :2015SciA....1E0082A . doi :10.1126/sciadv.1500082 . ISSN 2375-2548 . PMC 4643760 . PMID 26601249 .
^ Darwin, Charles; Murray, John (1859). On the origin of species by means of natural selection, or, The preservation of favoured races in the struggle for life . London: John Murray, Albemarle Street. doi :10.5962/bhl.title.82303 .
^ Gleason, H. A. (1 October 1929). "The Significance of Raunkiaer's Law of Frequency" . Ecology . 10 (4 ): 406–408. Bibcode :1929Ecol...10..406G . doi :10.2307/1931149 . ISSN 0012-9658 . JSTOR 1931149 .
^ Kenoyer, Leslie A. (1 July 1927). "A Study of Raunkaier's Law of Frequence" . Ecology . 8 (3 ): 341–349. Bibcode :1927Ecol....8..341K . doi :10.2307/1929336 . ISSN 0012-9658 . JSTOR 1929336 .
^ Gaston, Kevin J. (1 May 2011). "Common Ecology" . BioScience . 61 (5 ): 354–362. doi :10.1525/bio.2011.61.5.4 . ISSN 1525-3244 .
^ Grime, J. P. (5 January 2002). "Benefits of plant diversity to ecosystems: immediate, filter and founder effects" . Journal of Ecology . 86 (6 ): 902–910. doi :10.1046/j.1365-2745.1998.00306.x . ISSN 0022-0477 .
^ Braun, E. Lucy (1 April 1947). "Development of the Deciduous Forests of Eastern North America" . Ecological Monographs . 17 (2 ): 211–219. Bibcode :1947EcoM...17..211B . doi :10.2307/1943265 . ISSN 0012-9615 . JSTOR 1943265 .
^ Prieditis, Normunds (1997-03-01). "Alnus glutinosa – dominated wetland forests of the Baltic Region: community structure, syntaxonomy and conservation" . Plant Ecology . 129 (1 ): 49–94. doi :10.1023/A:1009759701364 . ISSN 1573-5052 .
^ Smith, Melinda D. ; Knapp, Alan K. (8 May 2003). "Dominant species maintain ecosystem function with non-random species loss" . Ecology Letters . 6 (6 ): 509–517. Bibcode :2003EcolL...6..509S . doi :10.1046/j.1461-0248.2003.00454.x . ISSN 1461-023X .
^ Silletti, Andrea M; Knapp, Alan K; Blair, John M (2004-04-01). "Competition and coexistence in grassland codominants: responses to neighbour removal and resource availability" . Canadian Journal of Botany . 82 (4 ): 450–460. doi :10.1139/b04-016 . ISSN 0008-4026 .
^ Chang, Cynthia C.; Smith, Melinda D. (2011-10-21). "Invasion of an intact plant community: the role of population versus community level diversity" . Oecologia . 168 (4 ): 1091–1102. doi :10.1007/s00442-011-2157-z . ISSN 0029-8549 . PMID 22015570 .
^ Hoover, D. L.; Knapp, A. K.; Smith, M. D. (2014-05-23). "Contrasting sensitivities of two dominant C4 grasses to heat waves and drought" . Plant Ecology . 215 (7 ): 721–731. Bibcode :2014PlEco.215..721H . doi :10.1007/s11258-014-0345-8 . ISSN 1385-0237 .
^ Krachler, Regina; Krachler, Rudolf F.; Wallner, Gabriele; Steier, Peter; El Abiead, Yasin; Wiesinger, Hubert; Jirsa, Franz; Keppler, Bernhard K. (2016-06-15). "Sphagnum-dominated bog systems are highly effective yet variable sources of bio-available iron to marine waters" . Science of the Total Environment . 556 : 53–62. Bibcode :2016ScTEn.556...53K . doi :10.1016/j.scitotenv.2016.03.012 . ISSN 0048-9697 .
^ Brocklehurst, P (1996). Mangrove survey of Darwin Harbour, Northern Territory (N.T.) : CCNT/NFI project 1994-95 . Dept. of Lands Planning and Environment. ISBN 0-7245-2766-4 . OCLC 40791904 .
^ Ismail; Sulistiono; Hariyadi, S; Madduppa, H (2021-04-01). "Diversity, density, and Importance Value Index of mangroves in the Segara Anakan lagoon and its surrounding area, Cilacap Regency, Indonesia" . IOP Conference Series: Earth and Environmental Science . 744 (1 ): 012034. Bibcode :2021E&ES..744a2034I . doi :10.1088/1755-1315/744/1/012034 . ISSN 1755-1307 .
^ Piepenburg, D.; Schmid, M. K. (1996-07-01). "Brittle star fauna (Echinodermata: Ophiuroidea) of the arctic northwestern Barents sea: composition, abundance, biomass and spatial distribution" . Polar Biology . 16 (6 ): 383–392. Bibcode :1996PoBio..16..383P . doi :10.1007/BF02390420 . ISSN 1432-2056 .
^ Worm, B.; Karez, R. (2002), "Competition, Coexistence and Diversity on Rocky Shores" , Competition and Coexistence , vol. 161, Berlin, Heidelberg: Springer Berlin Heidelberg, pp. 133–163, doi :10.1007/978-3-642-56166-5_6 , ISBN 978-3-642-62800-9 , retrieved 2023-04-27
^ Camarota, Flávio; Vasconcelos, Heraldo L.; Marquis, Robert J.; Powell, Scott (2020-10-01). "Revisiting ecological dominance in arboreal ants: how dominant usage of nesting resources shapes community assembly" . Oecologia . 194 (1 ): 151–163. Bibcode :2020Oecol.194..151C . doi :10.1007/s00442-020-04748-z . ISSN 1432-1939 . PMID 32909091 .
^ Curtis, J. T.; McIntosh, R. P. (1 July 1951). "An Upland Forest Continuum in the Prairie-Forest Border Region of Wisconsin" . Ecology . 32 (3 ): 476–496. Bibcode :1951Ecol...32..476C . doi :10.2307/1931725 . ISSN 0012-9658 . JSTOR 1931725 .
^ GRIME, J. P. (30 March 1973). "Competitive Exclusion in Herbaceous Vegetation" . Nature . 242 (5396): 344–347. Bibcode :1973Natur.242..344G . doi :10.1038/242344a0 . ISSN 0028-0836 .
^ Power, Mary E.; Tilman, David; Estes, James A.; Menge, Bruce A.; Bond, William J.; Mills, L. Scott; Daily, Gretchen; Castilla, Juan Carlos; Lubchenco, Jane; Paine, Robert T. (1 September 1996). "Challenges in the Quest for Keystones" . BioScience . 46 (8 ): 609–620. doi :10.2307/1312990 . ISSN 0006-3568 . JSTOR 1312990 .
External links
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R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Dominance_(ecology)&oldid=1233752320 "
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