Functional and phylogenetic β diversities and their link with clustering/overdispersion and uniqueness/redundancy DOI Creative Commons
Sandrine Pavoine, Carlo Ricotta

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Sept. 4, 2023

Abstract In the recent decades, research on biodiversity in community ecology has been marked by consideration of species’ evolutionary histories and biological traits, including those said functional as they relate to functions a species ecosystems. Among different spatial levels at which FP diversity can be quantified, less attention given definition general concept between-communities (β) than local, within-communities (α) regional, merged-communities (γ) diversities. Here we develop new way for partitioning β into elementary components underline how why differs from diversity, latter reflecting only differences abundances between communities. As reference example, consider two distinct measures diversity: Rao’s dissimilarity coefficient ( Q ) that expresses an average communities, its transformation equivalent number communities D ). Thanks analytical simulations, show are connected differently with typical patterns structure. The search ecological processes drive assembly assessment resilience stability have indeed revealed structures: local clustering similar traits or shared histories; regional presence functionally phylogenetically redundant versus unique species. While both increasing γ uniqueness, increases while α redundancy. selection index study depends objective, such communication conservation policy makers theoretical assembly. To facilitate secure this selection, call, through our study, development formal precise definition(s) light concepts overdispersion, redundancy uniqueness. particular, call further when should increase clustering.

Language: Английский

Pacific Northwest native plants and native cultivars, part I: pollinator visitation DOI Creative Commons
Jen Hayes,

Nicole C. S. Bell,

Lincoln R. Best

et al.

Environmental Entomology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

Abstract Planting native flora is a popular conservation strategy for pollinators. When searching plants, consumers may encounter cultivars of which can have different phenotypic traits than plants found in wild populations (“wild-type plants”). Previous research evaluating pollinator visitation to wild-type and has yielded mixed results, terms whether their rates are similar or distinct. We established garden experiment Corvallis, Oregon, examine utilization Pacific Northwest plant species cultivars. Over 3 years, we collected observed bees (Hymenoptera: Apoidea), butterflies (Lepidoptera: Papilionoidea), syrphid flies (Diptera: Syrphidae) understand (i) if pairs had rates, (ii) any pollinators were associated with differential visitation, (iii) specialist taxa preferred types over Pollinator varied by groupings, but comparisons between cultivar pairs, 37.2% the time (n = 29 comparisons), 7.7% 6), there was no difference 55.1% 43). Our community data greater total richness (except 1 tie) bee cultivars, though predicted varied. Specialist more often from types. Cultivars high minimally developed selections, as opposed interspecific hybrids. results join growing body literature suggesting should be emphasized supporting fauna.

Language: Английский

Citations

0
Litter biomass was the main factor driving plant diversity following grazing exclusion in shrub – Grassland ecotone of eastern Qilian Mountains DOI
Jinlan Wang, Yuzhen Liu, Wen Li

et al.

Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 381, P. 125310 - 125310

Published: April 14, 2025

Language: Английский

Citations

0
Functional and phylogenetic β diversities and their link with clustering/overdispersion and uniqueness/redundancy DOI Creative Commons
Sandrine Pavoine, Carlo Ricotta

Ecosphere, Journal Year: 2024, Volume and Issue: 15(11)

Published: Nov. 1, 2024

Abstract In recent decades, research on biodiversity in community ecology has been marked by the consideration of species' evolutionary histories and functional traits. Among different spatial levels at which or phylogenetic (hereafter FP) diversity can be quantified, definition general concept between‐community (β) given less attention than that local, within‐community (α) regional, merged‐community (γ) diversities. Here, we develop a new method for partitioning FP β into elementary components to determine how why differs from species diversity, with latter reflecting only differences abundances between communities. As reference example, consider two distinct measures diversity: Rao's dissimilarity coefficient ( Q ), expresses average communities, its transformation E effective number Through analytical simulations, show are connected differently typical patterns structure. The search ecological processes drive assembly assessment resilience stability have indeed revealed structures: local clustering similar traits shared regional presence functionally phylogenetically redundant versus unique species. We while both increasing functions γ uniqueness, increases clustering, α redundancy. also component included formula allows detection an overall trend overdispersion dataset without need use null models. To facilitate secure selection index study, call, through our development formal precise definitions light concepts redundancy uniqueness. particular, call further when should increase clustering.

Language: Английский

Citations

0
Effects of Manipulated Rainfall and Intraspecific Variation Within Dominant Species on Community Assembly: Insights From a Long‐Term Grassland Restoration Experiment DOI Creative Commons
Zhe Ren, Sara G. Baer, Loretta C. Johnson

et al.

Ecology and Evolution, Journal Year: 2024, Volume and Issue: 14(11)

Published: Nov. 1, 2024

Grasslands converted to agricultural land use can be reestablished by sowing seeds of native species and temporal dynamics diversity under altered climate inform community assembly in the context global change. We quantified three aspects (species richness, phylogenetic diversity, functional diversity) restored prairie plots sown with different ecotypes two dominant grass manipulated rainfall understand relative importance abiotic filtering population source on assembly. also evaluated contributions intra- interspecific variations traits across species. Since fourth year establishment, richness decreased over time as gradually established. Phylogenetic was unaffected ecotypic sources during restoration. Experimental drought did not affect phylogenetic, or diversity. Community structure grasslands mainly shaped intraspecific, within-population variation rather than differences among Our results showed that intraspecific biotic interactions contribute more environmental a tallgrass-dominated ecosystem.

Language: Английский

Citations

0
Diversity-productivity relationships are dependent upon location and ecotypes of the dominant species growing across a precipitation gradient DOI Creative Commons
David J. Gibson, David F. Barfknecht, Sara G. Baer

et al.

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 12, 2024

Abstract Locally dominant and highly productive species affect diversity through competitive interactions with subordinate species. Across environmental gradients the competitiveness of varies, relationship between productivity is commonly concave-down unimodal, referred to as ‘humped-back model’ (HBM). The effect local adaptation in their resulting on occurrence diversity-productivity relationships unknown. A reciprocal transplant experiment established across a precipitation gradient US Great Plains was used investigate intraspecific variation prairie grasses assembled communities. Taxonomic exhibiting HBM occurred 47% tests, most frequently communities locally-sourced (compared distantly sourced) species, reflecting adaptation, but only at extreme wet end gradient. retained experimental reduction growing season using rainout shelters site reduced taxonomic increased. Phylogenetic functional trait evolutionary-relevant exhibited 33% 31% respectively. However, patterns phylogenetic were less related or source than diversity. influenced by especially where exhibit adaptation. Thus, grasslands restored ecotypes foundation can have consequences for community processes effects

Language: Английский

Citations

0
Functional and phylogenetic β diversities and their link with clustering/overdispersion and uniqueness/redundancy DOI Creative Commons
Sandrine Pavoine, Carlo Ricotta

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Sept. 4, 2023

Abstract In the recent decades, research on biodiversity in community ecology has been marked by consideration of species’ evolutionary histories and biological traits, including those said functional as they relate to functions a species ecosystems. Among different spatial levels at which FP diversity can be quantified, less attention given definition general concept between-communities (β) than local, within-communities (α) regional, merged-communities (γ) diversities. Here we develop new way for partitioning β into elementary components underline how why differs from diversity, latter reflecting only differences abundances between communities. As reference example, consider two distinct measures diversity: Rao’s dissimilarity coefficient ( Q ) that expresses an average communities, its transformation equivalent number communities D ). Thanks analytical simulations, show are connected differently with typical patterns structure. The search ecological processes drive assembly assessment resilience stability have indeed revealed structures: local clustering similar traits or shared histories; regional presence functionally phylogenetically redundant versus unique species. While both increasing γ uniqueness, increases while α redundancy. selection index study depends objective, such communication conservation policy makers theoretical assembly. To facilitate secure this selection, call, through our study, development formal precise definition(s) light concepts overdispersion, redundancy uniqueness. particular, call further when should increase clustering.

Language: Английский

Citations

0