On r- and k-selection. american naturalist
Web592 THE AMERICAN NATURALIST ON r AND K-SELECTION Dobzhansky (1950) proposed that natural selection in the tropics operates in a fundamentally different way … WebThe concepts of r and K selection and b and d selection are discussed and compared. The former pair of concepts will play a central role in the development of new theories in …
On r- and k-selection. american naturalist
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WebIn ecology, r/K selection theory relates to the selection of combinations of traits in an organism that trade off between quantity and quality of offspring. The focus on either an increased quantity of offspring at the expense of individual parental investment of r-strategists, or on a reduced quantity of offspring with a corresponding increased parental … WebAlexander Milles, Melanie Dammhahn, Florian Jeltsch, Ulrike Schlägel, and Volker Grimm Fluctuations in Density-Dependent Selection Drive the Evolution of a Pace-of-Life …
Web23 de jun. de 2016 · Pianka ER. On r-and K-selection. American naturalist. 1970;p. 592–597. View Article Google Scholar 4. Reznick D, Bryant MJ, Bashey F. r-and K … WebVol. 106, No. 951 The American Naturalist September-October 1972 y AND K SELECTION OR b AND d SELECTION"? ERIC R. PIANKA Department of Zoology, University of Texas, Austin, Texas 78712 Hairston, Tinkle, and Wilbur (1970) recently criticized the concepts of r and K selection as proposed by MacArthur and Wilson …
Web阅读量：. 260. 作者：. Pianka ， Eric R. 摘要：. In r-type natural selection, mortality is relatively independent of genotype and population size due to the variable or unpredictable nature of the environment. In K-type selection, which occurs in fairly constant or predictable environments, individuals are favoured which have the ...
WebAlexander Milles, Melanie Dammhahn, Florian Jeltsch, Ulrike Schlägel, and Volker Grimm Fluctuations in Density-Dependent Selection Drive the Evolution of a Pace-of-Life Syndrome Within and Between Populations, The American Naturalist 199, no.4 4 (Feb 2024): E124–E139.
WebLong-Term Organic–Inorganic Fertilization Regimes Alter Bacterial and Fungal Communities and Rice Yields in Paddy Soil. Microorganisms are the most abundant and … how to replace rope on cat scratching postsWebpianka, e.r., r and k selection or b and d selection, american naturalist 106: 581 (1972). google scholar. pianka, e.r., r-selection and k-selection, american naturalist 104: 592 … how to replace roti for dietWebr- and K-theory can be used to compare the life strategies of plant pathogens, at least during the parasitic phase. While, as a group, plant pathogens tend to be r-selected, individual … how to replace roof slatesWebVol. 109, No. 967 The American Naturalist May-June 1975 r- AND K-SELECTION IN T YPHA S. J. McNAUGHTON Biological Research Laboratories, 130 College Place, … north bend furniture storesWeb1 de jun. de 2002 · PDF The theory of r- and K-selection was one of the first predictive models for life-history evolution. ... American Naturalist 114:569–583. Boyce, M. S. 1984. Restitution of. r - and. K north bend garbage serviceWeb14 de abr. de 2024 · While the samples taken from above the K-Ah tephra on Tanegashima are undated , the samples from southern Kyushu suggest that this impoverished vegetation dominated throughout the Todoroki B1-3 pottery period (c. 7100–6600 cal BP), indicating that the impact on vegetation persisted for a period of at least seven centuries following … how to replace root site sharepoint onlineWebTitle: On r- and K-Selection Created Date: 20240227221114Z how to replace rotted rim joist