Diversity-stability hypothesis

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August undefined, 2024

WebOct 13, 2010 · We demonstrate that diversity increases stability i) across trophic levels (producer, consumer), ii) at both the system (community, ecosystem) and the component levels (population, functional group, phylogenetic clade), and iii) primarily for aboveground rather than belowground processes. Webthe hypothesis that "diversity begets stability" and, from the early 1970's, much theoretical and experimen-tal work has probed the tangled web of biodiversity-stability-productivity relationships, in terrestrial eco-systems in particular. What is new is that the questions have become more specific. Specific ecosystem functions

The diversity–stability debate Nature

WebSep 1, 1996 · Diversity-stability hypothesis: this hypothesis [represented in Fig. (a)] predicts that ecological communities will increase in energetic efficiency (productivity), and in ability to recover from disturbance, as the number of species in the system increases. WebJan 27, 1994 · The curvilinear relationship we observe suggests that each additional species lost from our grasslands had a progressively greater impact on drought resistance. Our results support the... hantu tectec

(PDF) A General Hypothesis OF Species Diversity - ResearchGate

WebWe test this crop diversity-stability hypothesis using 5 decades of data on annual yields of 176 crop species in 91 nations. We find that greater effective diversity of crops at the … WebJun 1, 2006 · Here we present a long-term experimental field test of the diversity–stability hypothesis. During a decade of data collection in an experiment that directly controlled the number of perennial... Web抵抗力穩定性是維持生態穩定性的關鍵因子。. 沃爾克·格林（Volker Grimm）和克里斯蒂安·維塞爾（Christian Wissel）再從不同角度研究了有關生態系統穩定性的70種術語和 163 種定義後認為抵抗力穩定性可歸因於三樣基本性質：「無重大變化」、「暫時干擾後恢復 ... chaga necrotica wow

Embracing Complexity the Challenge of the Ecosystem Approach

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WebThe diversity-stability hypothesis arose from Robert Mac Arthur, “Fluctuations of Animal Populations and a Measure of Community Stability,” Ecology, 3 (1955), pp. 533–535) in which he proposed that the diversity of a food web was a measure of community stability. WebDec 23, 2015 · Many hypothesized mechanisms for the maintenance of species diversity and ecosystem function have been proposed; including, but not limited to, the diversity-stability hypothesis [ 2 ], rivet-popping hypothesis [ 10 ], species redundancy hypothesis [ 11 ], idiosyncratic hypothesis [ 12 ], and keystone species hypothesis [ 13 ]. hantush jacob well functionWebstrongly objected to the rejection of the diversity-stability hypothesis based solely on theory, but the idea that di-versity decreased stability, or at least did not inﬂuence it, … hantu seram full movie thailand

"WebFeb 10, 2024 · The diversity-stability hypothesis states that ecosystems with greater species diversity are more stable. Increased alpha diversity (the number of species … " - Diversity-stability hypothesis

Diversity-stability hypothesis

AN EMPIRICAL EVALUATION OF THE INSURANCE …

WebKeynote 1 Diversity, Stability and Resilience of the ：主题1的多样性，稳定性和恢复力.pdf. 2014-07-19 ... WebMay 11, 2000 · This issue — commonly referred to as the diversity–stability debate — is the subject of this review, which synthesizes historical ideas …

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WebSep 4, 2024 · The Time/Stability Hypothesis suggests that diversity is directly related to the length of time that an area of land has been around. Specifically, land that has been … WebJun 20, 2024 · Identifying indicator taxa is a solution to the problem of a lack of diverse data. However, the variation between studies on richness correlations (RCs) among taxa from different climate regions makes the application value of indicator taxa questionable. Few studies have compared the RCs among climatic regions in a single study, leaving the …

WebFeb 26, 2024 · However, the HLnTiO4-based samples demonstrate increased stability with regard to the photodegradation of the interlayer organic components as compared with related H2Ln2Ti3O10-based hybrid materials. ... A more viable hypothesis explaining the photocatalytic activity increase after organic modification is the functioning of the … WebApr 14, 2024 · 1. Introduction. The relationship between species diversity and productivity has been the subject of much debate (Waide et al., 1999; Adler et al., 2011; Grace et al., 2016; Chen et al., 2024).Biodiversity is concerned with the stability and sustainability of ecosystem functions and affects the value of ecosystem services and regional quality …

Web1960s and 1970s was a preoccupation with the diversity–stability hypothesis, that more diverse ecolog-ical communities were more stable than those that were less diverse [5]. Those who hypothesized this relationship included MacArthur [21] and Elton [22] with the latter, as well as Pimentel [23], providing WebMay 1, 2000 · This issue — commonly referred to as the diversity–stability debate — is the subject of this review, which synthesizes historical ideas with recent advances. ... the insurance hypothesis ...

WebSep 1, 1996 · Alternatives to the diversity-stability hypothesis have been proposed, and experimental approaches are starting to evolve to test these hypotheses and to elucidate the mechanisms underlying the functional role of species diversity. References (42) K. Vogt Belowground responses as indicators of environmental change. Environ. Exp.

WebOct 26, 2024 · Outside reserves, put aside land for biodiversity and simulate natural conditions and disturbance. Link good-quality habitats with corridors, which has both short-term ecological value and... hantu thailand lucuWebRelationships between diversity and stability The highest plant diversities – quantified as the intercept (c-value) of the respective MCE – were generally recorded for the most climatically and topographically stable MCEs, namely Cape and Australia (Fig. 3). ... The hypothesis presented here – that environmentally stable MCEs have higher ... chag anesthesia pcWebApr 14, 2024 · 1. Introduction. The relationship between species diversity and productivity has been the subject of much debate (Waide et al., 1999; Adler et al., 2011; Grace et al., … hantu thailandWebThe curvilinear relationship we observe suggests that each additional species lost from our grasslands had a progressively greater impact on drought resistance. Our results support … hantu weaknessesWebWe test this crop diversity–stability hypothesis using 5 decades of data on annual yields of 176 crop species in 91 nations. We find that greater effective diversity of crops at the national level is associated with increased temporal stability of total national harvest. Crop diversity has stabilizing effects that are similar in magnitude to ... chaganstylesWebJSTOR Home chag anesthesia groupWebApr 18, 2012 · The environmental stability hypothesis. The environmental stability hypothesis suggests that stable environmental conditions can increase species diversity, because they narrow the niche widths, increase the number of ecological niches, and promote specialization in species , . If this hypothesis holds true, areas with less … hantu thailand movie