Hierarchical diversity
WebHowever it is not clear about direct or indirect interactions among plants, soils and microbes in response to nitrogen deposition. In this study, the responses of soil bacterial diversity to N enrichment were investigated at surface (0-10 cm) and sub-surface (10-20 cm) soils in a temperate steppe ecosystem. Webtastes, that both a hierarchical and an egalitarian repertoire appear in people’s narratives, and that these repertoires are often used simultaneously. People still distinguish …
Hierarchical diversity
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Web20 de jul. de 2024 · Thus, species assemblages may be viewed as a hierarchical set of levels of diversity, each of which may or may not show significant variation in a given niche dimension. At higher levels of organization, taxonomic or functional groups of species may be grouped into discrete guilds or ecotypes that use particular food types or structural or … Web30 de mar. de 2015 · We present a new modelling approach, the hierarchical diversity decision framework (HiDDeF) that explicitly communicates the sensitivity of water quality benchmarks to these implicit judgments. We apply HiDDeF to a data set of stream macroinvertebrate abundances across 218 sites in south-western West Virginia, ...
WebDescription. In additive diversity partitioning, mean values of alpha diversity at lower levels of a sampling hierarchy are compared to the total diversity in the entire data set (gamma diversity). In hierarchical null model testing, a statistic returned by a function is evaluated according to a nested hierarchical sampling design ( hiersimu ). Web12 de mai. de 2024 · Miscellaneous R functions for calculating and decomposing hierarchical diversity metrics, including hierarchical allele richness, hierarchical …
Web1 de dez. de 2014 · The diversity partitioning may be additive, with β expressing the number of species absent from a hierarchical level, or multiplicative, with β expressing … Web2 de dez. de 2015 · Biofilm β-diversity declined substantially between regional and floodplain levels, but then increased for the two remaining hierarchical levels . These results indicate highest variation in biofilm diversity among the four different floodplains (i.e., regional level), intermediate at the habitat and microhabitat scales, and lowest …
Web21 de out. de 2024 · Airborne laser scanning (ALS) can acquire both geometry and intensity information of geo-objects, which is important in mapping a large-scale three-dimensional (3D) urban environment. However, the intensity information recorded by ALS will be changed due to the flight height and atmospheric attenuation, which decreases the …
Web12 de abr. de 2024 · Abstract In contrast to the depth of knowledge available for the enhancement of plant species diversity and ecosystem services through ecological restoration, ... Hierarchical meta-analysis and the ‘trim and fill’ procedure were conducted in R using the metafor package (R Core Team, 2024; Viechtbauer, 2010). incidence of pnhinboard motor boat repair shops near meWeb10 de jan. de 2024 · The partitioning of β-diversity is a recurrent practice in biogeographic and ecological studies that can provide key insights for land management, such as identification of biodiversity hot-spots. In this study, we used Baselga's metrics to measure the contribution of spatial turnover (β sim ) and nestedness-resultant dissimilarity (β nes ) … incidence of pneumonia worldwideWeb12 de abr. de 2024 · Hierarchical Quality-Diversity for Online Damage Recovery. Maxime Allard, Simón C. Smith, Konstantinos Chatzilygeroudis, Antoine Cully. Adaptation capabilities, like damage recovery, are crucial for the deployment of robots in complex environments. Several works have demonstrated that using repertoires of pre-trained … inboard motor serial numberWeb21 de dez. de 2001 · We review current diversity theory and terminology in relation to scale of applicability. As a starting point in developing a general theory, we take the issue of geographical gradients in species richness as a main theme and evaluate the extent to which commonly cited theories are likely to operate at scales from the macro down to the … inboard motor boat brandsWebDescription. In additive diversity partitioning, mean values of alpha diversity at lower levels of a sampling hierarchy are compared to the total diversity in the entire data set (gamma … inboard motor boats-27 foot-new-saleWeb19 de jun. de 2024 · Contrasting diversity patterns of crenarchaeal, bacterial and fungal soil communities in an alpine landscape. PLoS One 6 (5), e19950 (2011). Article ADS CAS Google Scholar incidence of polio