On r- and k-selection. american naturalist

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August undefined, 2024

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 … WebAmerican 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 …

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WebA comparison of environmental and population parameters between sites differing in length of frost-free period indicated that populations from short growing season locations should … 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 ... my relationship james moore

r- and K-Selection in Typha - JSTOR

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 … Web2 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 … 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 ... the sewing center wichita kansas

r and K Selection or b and d Selection? The American Naturalist: …

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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 ... 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 … my relationship is falling apart what do i doWebIt is argued that rand K-selection may have important ramifications for the understanding of life history evolution, but for the model to be useful, it must be interpreted strictly as it … my relationship is giving me anxiety

"WebNumerous organisms inhabiting variable environments exhibit temporally dynamic reproductive strategies. Populations of such organisms demonstrate considerable variation in reproductive effort associated with environmental changes and thus shift between relative r- and K-positions on the r-K continuum. Failure to consider such dynamic strategies can … " - On r- and k-selection. american naturalist

On r- and k-selection. american naturalist

Web11 de abr. de 2024 · 1 Introduction. As a fundamental concept for dynamic component of the climate system, resilience is typically defined as the ability of individual trees, forests or ecosystems to resist sudden disturbances and recover to their initial state (Holling, 1973; Simoniello et al., 2008).Given the large potential of vegetation to take up atmospheric … Web12 de abr. de 2024 · Interactions between stress-tolerant and stress-intolerant species (nurse–protégé interactions) bear the potential to diversify green roof functionality, yet are not well understood. We provide a fra...

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http://www.zo.utexas.edu/courses/THOC/ERP-AmNat.html Webr/K selection theory describes the way a species controls its number of offspring. r-selection species produce many offspring. K-selected species focus on a few. Neither method is in itself superior, and they may occur in the same habitat; e.g., rodents (r-selection) and elephants (K-selection). The theory was popular in the 1970s and 1980s ...

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 … 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.

Web13 de abr. de 2024 · Consumptive effects (CEs) of predation have been well-studied in most aquatic systems, but nonconsumptive effects (NCEs) on prey have only recently received limited attention. As aquatic consumers, t... 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 …

WebPianka, E.R. (1970) On r and k selection. American Naturalist, 104, 592-597. doi:10.1086/282697 has been cited by the following article: TITLE: Effects of life-history components on population dynamics of the rare endangered plant Davidia involucrata. AUTHORS: Haimei You, Yanhong Liu, Kazue Fujiwara. KEYWORDS ...

the sewing channelWeb23 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 … my relationship or connection to nature 意味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; ... the sewing channel sherrillWebTitle: On r- and K-Selection Created Date: 20240227221114Z my relationship solutionsWebPianka, E.R. (1970) On r and k selection. American Naturalist, 104, 592-597. doi:10.1086/282697 has been cited by the following article: TITLE: Effects of life-history … the sewing channel youtube table runnerWebAlexander Milles, Melanie Dammhahn, Florian Jeltsch, Ulrike Schlägel, and Volker Grimm Fluctuations in Density-Dependent Selection Drive the Evolution of a Pace-of-Life … the sewing chickWebIt is argued that rand K-selection may have important ramifications for the understanding of life history evolution, but for the model to be useful, it must be interpreted strictly as it was originally formulated: as a model of density-dependent natural selection. Dawkins (36, p. 293) observes that "ecologists enjoy a curious love/hate relationship with the r/K … my relationship or connection to nature