Latitudinal gradient hypothesis
Web28 jul. 2024 · The latitudinal gradient in herbivory and carnivory was threefold stronger above 50–60° than at lower latitudes and was significant due to interactions involving … WebThe latitudinal diversity gradient (LDG) is one of the most extensive and important biodiversity patterns on the Earth. Various studies have established that species diversity …
Latitudinal gradient hypothesis
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WebNest microclimate and limits to egg viability explain avian life-history variation across latitudinal gradients Ecology. 2024 Jun;102(6):e03338. doi: 10.1002/ecy .3338 ... The egg viability hypothesis was initially proposed to explain the cause of asynchronous hatching and suggests that asynchronous hatching results from early incubation ... WebOur examination of MacArthur’s (1972) hypothesis of a latitudinal gradient in niche breadth suggests that it rests on a series of assumptions for which support is at best …
Web1 dag geleden · First, Geographic gradients can mismatch climatic gradients. For instance, populations of the parasitoid Aphidius platensis (Aphididae) did not differ in fresh body mass and reproductive traits along a 1000km latitudinal gradient in the Central valley of Chile, because climatic conditions recently became more homogeneous among localities [25]. WebHere, a size-fraction analysis of POM linked increases in the proportion of large plankton to declining ratios. Subsurface N* values support the hypothesis that accumulated …
The latitudinal diversity gradient is a noticeable pattern among modern organisms that has been described qualitatively and quantitatively. It has been studied at various taxonomic levels, through different time periods and across many geographic regions (Crame 2001). The latitudinal diversity gradient has … Meer weergeven Species richness, or biodiversity, increases from the poles to the tropics for a wide variety of terrestrial and marine organisms, often referred to as the latitudinal diversity gradient. The latitudinal diversity gradient is one of the … Meer weergeven Although many of the hypotheses exploring the latitudinal diversity gradient are closely related and interdependent, most of the … Meer weergeven • Asynchrony of Seasons Hypothesis • Biodiversity • Biomass (ecology) • Biomes • Effective evolutionary time Meer weergeven There are many other hypotheses related to the latitudinal diversity gradient, but the above hypotheses are a good overview of the major … Meer weergeven Web3 jun. 2008 · The latitudinal gradient in marine bacteria supports the hypothesis that the kinetics of metabolism, setting the pace for life, has strong influence on diversity. Sign up for PNAS alerts. Get alerts for new articles, or get an alert when an article is cited.
Web20 mei 2014 · The tropical conservatism hypothesis (TCH) invokes niche conservatism, climatic limitations on establishment and survival, and paleoclimatic history to explain the …
Web26 apr. 2024 · 1. Introduction. Latitudinal gradients in abiotic factors strongly determine species distributions. Of these factors, temperature is arguably the most important, as its … rainbow ice cream cake rollWebMuller RN, Kalisz PJ, Kimmerer TW (1987) Intraspecific variation in production of astringent phenolics over a vegetation-resource availability gradient. Oecologia (Berlin) … rainbow ice lawrence ksWebThe altitudinal and the harsh environment hypotheses were correlated and supported with sample data in both localities, with increasing gall species number as altitude/latitude declined and as sites became hotter and drier. The two hypotheses were separated by studying riparian sites and dry hillside sites at the same elevation in Arizona. rainbow ice cream truck chicagoWeb1 mrt. 1998 · These data on the spatial distribution of species on the two shelves allow us to test proposed explanations for the latitudinal species diversity gradient. One … rainbow ice iglooWeb30 sep. 2016 · These latitudinal gradients were described decades ago , but recent work has yielded detailed knowledge of species-richness patterns. For example, Hurlbert and … rainbow ice lolliesWebarea-affect hypothesis, at least for latitudinal gradients in marine systems. A third proposed explanation for the latitudinal diversity gradient holds that the pattern … rainbow ice cream truck scheduleWeb3 jun. 2008 · The latitudinal gradient in marine bacteria supports the hypothesis that the kinetics of metabolism, setting the pace for life, has strong influence on diversity. For two centuries, biologists have documented a gradient of animal and plant biodiversity from the tropics to the poles but have been unable to agree whether it is controlled primarily by … rainbow ice sourz