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Latitudinal gradient in species richness

Web4 sep. 2024 · Rapoport's rule introduced the idea that the length of the geographical range of a species, relative to the north and south axis of the earth, plays an important role in the already acknowledged latitudinal gradient of species richness. Specifically, species at higher latitudes have a wider geographical range than species at lower latitudes. WebKey words: Community, diversity, richness, gradient, importance values, physiography, vegetation. Abstract Community structure and composition are important factors affecting diversity patterns in plant communities. Pertinently, species diversity along altitudinal and latitudinal gradient differs in different layers at different scales.

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Web1 dec. 2024 · Aim A latitudinal gradient in species richness, defined as a decrease in biodiversity away from the equator, is one of the oldest known patterns in ecology and … WebAbstract: The species‐area relationship (SAR), describing the increase in species richness with increasing area, and the latitudinal diversity gradient (LDG), describing the decrease in species richness with increasing latitude, are the oldest and most robust patterns in biogeography, yet connections between them remain poorly understood. Here, using … follow my health app dashboard https://3dlights.net

The Latitudinal Diversity Gradient - Evolutionary Biology - Oxford ...

Web14 apr. 2024 · Alpine grasslands are important ecosystems on the Qinghai–Tibet Plateau and are extremely sensitive to climate change. However, the spatial responses of plant … WebThe six major hypotheses of the control of species diversity are restated, examined, and some possible tests suggested. Although several of these mechanisms could be operating simultaneously, it is instructive to consider them separately, as this can serve to clarify our thinking, as well as assist in the choice of the best test situations for ... Web20 mei 2014 · The latitudinal species richness gradient in New World woody angiosperms is consistent with the tropical conservatism hypothesis May 2014 … follow my gut meaning

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Latitudinal gradient in species richness

Areas, cradles and museums: the latitudinal gradient in …

Web18 jan. 2012 · The latitudinal diversity gradient (LDG) is one of the most striking ecological patterns on our planet. Determining the evolutionary causes of this pattern … Web20 mei 2014 · Here, we use latitudinal distributions for over 12,500 woody angiosperm species in the New World and a fossil-calibrated supertree (18–21) resolved to the family …

Latitudinal gradient in species richness

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Web23 uur geleden · Macro-scale relationships of species richness to productivity and fire. Considering productivity as an influence on latitudinal species richness patterns (a), … WebUnderstanding the origins of species richness patterns is a fundamental goal in ecology and evolutionary biology. Much research has focused on explaining two kinds of species richness patterns: (i) spatial species richness patterns (e.g. the latitudinal diversity gradient), and (ii) clade-based species richness patterns (e.g. the predominance of …

Web4 apr. 2000 · Here, we examine latitudinal patterns of diversity in the deep North Atlantic by comparing the richness and evenness components of a diversity index applied to three … Web13 apr. 2024 · The open-source programming language ‘R' has become a standard tool in the palaeobiologist's toolkit. Its popularity within the palaeobiological community continues to grow, with published articles increasingly citing the usage of R and R packages.

Web14 apr. 2024 · Polychaeta and Sipuncula are abundant inhabitants of benthic marine habitats and have been increasingly sampled in the Northwest Pacific (NWP). However, … Web9.2 Freshwater hotspots and patterns in species richness 220. 9.2.1 Latitudinal gradient in species richness 220. 9.2.2 Geography, environment and biogeographical history 221. 9.2.3 Species–area relationship (SAR) 223. 9.2.4 Community assembly in freshwater 224. 9.2.5 Local scale 225. 9.2.6 Metacommunity concept 227. 9.2.7 Beta diversity 230 ...

Web12 jan. 2024 · The latitudinal diversity gradient describes the fact that there are less species in the temperate regions than in the tropics. The latitudinal diversity gradient is observed in most groups of animals, plants, and microorganisms, and remains one of the oldest and most famous mysteries in ecology.

Web19 feb. 2024 · These results do not support 'historical' hypotheses for the latitudinal diversity gradient, because neither local species richness … follow my flight pathWebThis is because this site is characterised by low species richness (eight species recorded). The percentage abundance is also relatively higher from 27-34 degrees, suggesting that this is the optimal latitudinal range for this species. Discussion. The results from this project do not support the latitudinal gradient of biodiversity. follow my health app download pcWeb15 sep. 2014 · We assess multiple theories for the latitudinal gradient of species richness by recasting several of their predictions for the alpha, beta, and gamma components of … follow my health app for kindle fire