On r- and k-selection. american naturalist

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August undefined, 2024

WebPianka, E. R. (1970). On r- and K-Selection. The American Naturalist, 104(940), 592–597. doi:10.1086/282697 Web1 de mar. de 1981 · In the present study, the r-selected decapods were represented by the Penaeoidea group (Dendrobranchiata). The K-selected ones were represented by the Pleocyemata, i.e., Caridea, Brachyura ...

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WebAlexander Milles, Melanie Dammhahn, Florian Jeltsch, Ulrike Schlägel, and Volker Grimm Fluctuations in Density-Dependent Selection Drive the Evolution of a Pace-of-Life … WebIn K-type selection, which occurs in fairly constant or predictable environments, individuals are favoured which have the best competitive abilities. ... American Naturalist 1970 Vol.104 pp.592-597 Abstract : In r-type natural selection, mortality is ... canon mg2500 align print head

Density-Dependent Natural Selection and Trade-Offs in Life …

Web21 de jun. de 2024 · A K- reproductive strategy is a set of life history traits that would be selected for when a population reaches highest density. The terminology is taken from a parameter in population growth models, where carrying capacity ( K) is the maximum population size that can be supported by an environment. The opposite strategy is an r … Web26 de dez. de 2014 · In a nutshell, R selected populations focus on quantity over quality. They are mostly geared towards the time of repopulation, when an ecosystem needs to be "filled up" again. K selected populations, on the other hand, are species that have very low mortality rates at childbirth. They have few offspring, but put more energy into nurturing … WebVol. 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, … flagstaff arizona 55 plus communities

Temporally Dynamic Reproductive Strategies and the Concept of R- and K ...

Pianka, E.R. (1970) On r and k selection. American Naturalist, …

Web26 de ago. de 2024 · American Naturalist, 107, 651 ... A most interesting theoretical notion pertinent to this problem is r- and K-selection (MacArthur 1962; Cody 1966; MacArthur and Wilson 1967; ... Webr- 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 … flagstaff annual report to water commissionWebVol. 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, Syracuse, ... Wilson's (1967) theory of r- and K-selection, although similar arguments were developed earlier in different contexts (Fisher 1930; Dobzhansky 1950). As canon mg2410 scanner software

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On r- and k-selection. american naturalist

WebOn r- and K-selection. American Naturalist, 104, 592–597. Popper, K. R. (1959). The Logic of Scientific Discovery. London: Hutchinson. ... On the relationship between r/K selection and environmental carry capacity: a new habitat templet for plant life history strategies. Oikos, 58, 239–250. WebABSTRACT: The present study explores the links among life history, reproductive strategy, autism-spectrum quotient, and quality of life. Our 235 participants (167 women and 68 …

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Web14 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 … 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-selection revisited: the role of population regulation in life-history evolution. Ecology. 2002;83(6):1509–1520. View Article

Web22 de mar. de 2024 · Assessments of goodness-of-fit using the DHARMa package in R indicated that models including a random effect of site poorly fit the underlying data (Hartig and Lohse 2024; Table 2). To address how variable terrestrial distributions might be among sites, we modeled gopher frog distributions at 5 sites with a large enough sample of … WebLong-Term Organic–Inorganic Fertilization Regimes Alter Bacterial and Fungal Communities and Rice Yields in Paddy Soil. Microorganisms are the most abundant and …

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 … WebOn r and K selection. American Naturalist 104: 592-597. (Reprinted in 1978 in T. H. Clutton-Brock and P. H. Harvey (eds.) Readings in Sociobiology. Freeman. Selected as …

Webr/K選擇理論（r/K selection theory）是二十世紀生態學上一個有關生物體如何權衡後代的數量與品質的理論，這個理論需要將性狀和自然選擇結合在一起進行考慮。這兩個概念是相對比較出來的，在討論生物生存策略時，會針對物種進行對比。其中r理論是指以犧牲父母投資為代價從而增加子代的數量 ...

WebPianka, E. R. (1970) “On r-and K-selection”, The American Naturalist, 104, pp. 592-597 [accessed on 20 February 2013]. ... The reason for this terminology of K-selection and r-selection is that in the common equations used to … canon mg2220 printer softwareWeb1 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 canon mg2450 how to scanWebAlexander 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. flagstaff arizona annual snowfallWeb592 THE AMERICAN NATURALIST ON r AND K-SELECTION Dobzhansky (1950) proposed that natural selection in the tropics operates in a fundamentally different way … canon mg2500 on screen manualWeb2 de fev. de 2024 · To account for phylogenetic uncertainty in our results, we applied all the analyses of this paper to the tree from Porto et al. (2024) and on two other phylogenies from Nyakatura and Bininda-Emonds (2012) and from Perri et al. (2024).. Time calibration on the tree from Porto et al. (2024) was performed using the “chronopl” function in the ape … canon mg2500 driver macWebPublished 1 September 1972. Psychology. The American Naturalist. The concepts of r and K selection and b and d selection are discussed and compared. The former pair of … canon mg2260 ink refillWebAmerican Naturalist 100, 603-609, 1966. 5576: 1966: On r and K selection (Citation Classic) ER Pianka. American Naturalist 104, 592-597., 1970. 5091: 1970: Evolutionary … canon mg2500 black ink