Search Results - "Chao, Anne"
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Coverage-based rarefaction and extrapolation: standardizing samples by completeness rather than size
Published in Ecology (Durham) (01-12-2012)“…We propose an integrated sampling, rarefaction, and extrapolation methodology to compare species richness of a set of communities based on samples of equal…”
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Estimating diversity and entropy profiles via discovery rates of new species
Published in Methods in ecology and evolution (01-08-2015)“…Summary The compositional complexity of an assemblage is not expressible as a single number; standard measures such as diversities (Hill numbers) and entropies…”
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Unifying Species Diversity, Phylogenetic Diversity, Functional Diversity, and Related Similarity and Differentiation Measures Through Hill Numbers
Published in Annual review of ecology, evolution, and systematics (23-11-2014)“…Hill numbers or the effective number of species are increasingly used to quantify species diversity of an assemblage. Hill numbers were recently extended to…”
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iNEXT: an R package for rarefaction and extrapolation of species diversity (Hill numbers)
Published in Methods in ecology and evolution (01-12-2016)“…Summary Hill numbers (or the effective number of species) have been increasingly used to quantify the species/taxonomic diversity of an assemblage. The…”
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Distance-based functional diversity measures and their decomposition: a framework based on Hill numbers
Published in PloS one (07-07-2014)“…Hill numbers (or the "effective number of species") are increasingly used to characterize species diversity of an assemblage. This work extends Hill numbers to…”
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Phylogenetic diversity measures based on Hill numbers
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (27-11-2010)“…We propose a parametric class of phylogenetic diversity (PD) measures that are sensitive to both species abundance and species taxonomic or phylogenetic…”
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Proposing a resolution to debates on diversity partitioning
Published in Ecology (Durham) (01-09-2012)“…There have been intense debates about the decomposition of regional diversity (gamma) into its within-community component (alpha) and between-community…”
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Phylogenetic beta diversity, similarity, and differentiation measures based on Hill numbers
Published in Ecological monographs (01-02-2014)“…Until now, decomposition of abundance-sensitive gamma (regional) phylogenetic diversity measures into alpha and beta (within- and between-group) components has…”
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Quantifying sample completeness and comparing diversities among assemblages
Published in Ecological research (01-03-2020)“…We develop a novel class of measures to quantify sample completeness of a biological survey. The class of measures is parameterized by an order q ≥ 0 to…”
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10
Primary determinants of communities in deadwood vary among taxa but are regionally consistent
Published in Oikos (01-10-2020)“…The evolutionary split between gymnosperms and angiosperms has far‐reaching implications for the current communities colonizing trees. The inherent…”
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Bridging the variance and diversity decomposition approaches to beta diversity via similarity and differentiation measures
Published in Methods in ecology and evolution (01-08-2016)“…Summary There are many concepts and measures of beta diversity and related similarity/differentiation indices. The variance framework (derived from the total…”
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Entropy and the species accumulation curve: a novel entropy estimator via discovery rates of new species
Published in Methods in ecology and evolution (01-11-2013)“…Summary Estimating Shannon entropy and its exponential from incomplete samples is a central objective of many research fields. However, empirical estimates of…”
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An attribute-diversity approach to functional diversity, functional beta diversity, and related (dis)similarity measures
Published in Ecological monographs (01-05-2019)“…Based on the framework of attribute diversity (a generalization of Hill numbers of order q), we develop a class of functional diversity measures sensitive not…”
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Estimating and comparing microbial diversity in the presence of sequencing errors
Published in PeerJ (San Francisco, CA) (01-02-2016)“…Estimating and comparing microbial diversity are statistically challenging due to limited sampling and possible sequencing errors for low-frequency counts,…”
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15
Estimating retention benchmarks for salvage logging to protect biodiversity
Published in Nature communications (21-09-2020)“…Forests are increasingly affected by natural disturbances. Subsequent salvage logging, a widespread management practice conducted predominantly to recover…”
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Resilience of tropical rain forests: tree community reassembly in secondary forests
Published in Ecology letters (01-05-2009)“…Understanding the recovery dynamics of ecosystems presents a major challenge in the human-impacted tropics. We tested whether secondary forests follow…”
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Sufficient Sampling for Asymptotic Minimum Species Richness Estimators
Published in Ecology (Durham) (01-04-2009)“…Biodiversity sampling is labor intensive, and a substantial fraction of a biota is often represented by species of very low abundance, which typically remain…”
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Diversity and geographic distribution of ciliates (Protista: Ciliophora)
Published in Biodiversity and conservation (01-02-2008)“…About 4,500 free-living ciliate morphospecies have been described, applying an average synonymy rate of 20%. We estimate that 83-89% of the ciliate diversity…”
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Measuring temporal change in alpha diversity: A framework integrating taxonomic, phylogenetic and functional diversity and the iNEXT.3D standardization
Published in Methods in ecology and evolution (01-10-2021)“…Biodiversity is a multifaceted concept covering different levels of organization from genes to ecosystems. Biodiversity has at least three dimensions: (a)…”
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Global distribution of coral diversity: Biodiversity knowledge gradients related to spatial resolution
Published in Ecological research (01-03-2020)“…Biodiversity knowledge shortfalls, especially incomplete information on species distributions, can lead to false conclusions about global biodiversity…”
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