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Latitudinal gradient hypothesis

WebThis supports our alternative pattern hypothesis that sexually dimorphic traits are exaggerated at lower latitudes relative to higher latitudes. Female P. latipinna prefer … WebIntroduction. The latitudinal diversity gradient is the term used to describe the decrease in species richness as one moves away from the equator. [1] Discovered by Alexander von …

Rapoport

Web15 feb. 2024 · The latitudinal diversity gradient (LDG) is a prevalent feature of modern ecosystems across diverse clades1–4. Recognized for well over a century, the causal … WebThis paper tests whether tropical species’ ranges do extend into extra-tropical areas, and expands the definition of a tropical species to include species from genera with tropical … dg racing logo https://katieandaaron.net

Latitudinal gradients in species diversity - Texas Master Naturalist

Web12 mei 2024 · 1. Introduction. The latitudinal diversity gradient (LDG) refers to the increase of species richness from the poles to the Equator. Terrestrial organisms usually have peak diversities near the Equator [1–3], whereas bimodal diversity patterns with a dip at the Equator are more common in the oceans [4–11].Numerous hypotheses have been put … WebFinally, the finding that the steepest latitudinal gradients occur in the geologically youngest clades of bivalves (50, 53) is also consistent with a dynamic involving preferential … Webhypothesis that this pattern is related to the productivity gradient in the food-starved deep North Atlantic. The Norwegian Sea appears to be an area of low diversity for reasons connected to historical geographical processes. KEY WORDS: Latitudinal gradients • Deep sea • INTRODUCTION The single most famous large-scale biodiversity pat beading daisy chain

Latitudinal gradients in species diversity - Texas Master Naturalist

Category:Out of the extratropics: the evolution of the latitudinal diversity ...

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Latitudinal gradient hypothesis

The effects of drift and selection on latitudinal genetic ... - Nature

http://nectar.northampton.ac.uk/8931/1/Moles_etal_Wiley_2016_Is_the_notion_that_species_interactions_are_stronger_and_more_specialized_in_the_tropics_a_zombie_idea.pdf Web31 dec. 2013 · Many ecological and evolutionary mechanisms have been hypothesized to cause the gradient, but it is unlikely that a single mechanism dominates. Recent …

Latitudinal gradient hypothesis

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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 … Web24 feb. 2024 · Understanding the distribution patterns and underlying maintenance mechanisms of insect species is a core issue in the field of insect ecology. However, research gaps remain regarding the environmental factors that determine the distribution of insect species along altitudinal gradients in Guandi Mountain, China. Here, we explored …

Web25 apr. 2024 · Explaining global variation in the latitudinal diversity gradient: Meta-analysis confirms known patterns and uncovers new ones. Glob. Ecol. Biogeogr. 2024 , 27 , … Web26 nov. 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...

Web1 apr. 2024 · Landscape transcriptomics has the potential for establishing a hypothesis-testing framework for the relationship between functional genetic variation and the environment that is ... Such an integration of transcriptomic and genomic data across a single latitudinal gradient revealed rapid evolution of the relevant gene ... Web29 sep. 2024 · Previous studies on butterflies (Papilionidae 12) and ants 7 agree with our results and find no consistent latitudinal gradient in diversification rate, refuting the hypothesis that the LDG simply ...

WebAbstract The latitudinal gradient of decreasing richness from tropical to extratropical areas is ecology's longest recognized pattern. Nonetheless, notable exceptions to the … dg raoWebBackground. Stevens (1989) named the rule after Eduardo H. Rapoport, who had earlier provided evidence for the phenomenon for subspecies of mammals (Rapoport 1975, 1982).Stevens used the rule to "explain" greater species diversity in the tropics in the sense that latitudinal gradients in species diversity and the rule have identical exceptional … dg racing okcWeb22.3.2 Hypotheses for Latitudinal Gradients Although many of the hypotheses exploring the latitudinal diversity gradient are closely related and interdependent, the major … beading daily patternsWeb20 mei 2014 · The tropical conservatism hypothesis (TCH) invokes niche conservatism, climatic limitations on establishment and survival, and paleoclimatic history to explain the … beading danglesWebLatitudinal gradients of biodiversity are biogeographic patterns that define the way in which components of taxonomic, phylogenetic, functional, genetic, or phenetic dimensions … beading campWebThere are probably two key factors in latitudinal gradients. List and explain both here, and put a star next to the one that is probably the primary cause of the latitudinal difference … dg radioWeblatitudinal gradient outside of the tropics, then it must be caused by tropical species that have extended their ranges into the extra-tropics, changing the latitudinal gradient from … dg ratio\u0027s