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161 results for “Production function”
Leveraging functional traits of cover crops to coordinate crop productivity and soil health
<p><span>1. Plants act as ecosystem engineers playing fundamental roles in steering their surroundings, including soil abiotic and biotic conditions, soil organisms, and the complex soil food web they comprise. Trait-based approaches have been considered a 'Holy Grail' in linking plants to ecosystem functions, but the mechanistic relationship between plant traits and the soil food web as an indicator of soil health remains poorly understood.</span></p> <p><span>2. We examined this relationship for 16 cover crop species differing in leaf and root traits in a field experiment where corn (Zea mays) was the main crop. Based on functional traits, the cover crop species were categorized into two ecological strategies at either end of the resource acquisitive-conservative spectrum. We investigated the effects of cover crop ecological strategies on corn productivity and soil health. We used soil nematodes as an indicator of soil health and analyzed soil physico-chemical properties and microbial community activities.</span></p> <p><span>3. We found that acquisitive cover crops supported higher soil resource availability, bacterial energy channels in the soil food web, and greater corn productivity than conservative cover crops. In contrast, conservative cover crops supported higher abundances of fungivores and omni-carnivores than acquisitive cover crop, which reflected a more structured and complex soil food web, implying a healthier soil ecosystem. Conservative cover crops also increased corn productivity compared to the no cover crop control treatment.</span></p> <p><span>4. Synthesis and applications. Collectively, this work shows that cover crops with distinct ecological strategies had their own strengths to enhance ecosystem functions: acquisitive and conservative cover crops improved crop productivity and soil health, respectively. These results indicates that farmers and policy makers can make trait-based choices in selecting cover crop best serving the local needs. This points to a win-win solution for food production and ecosystem sustainability.</span></p>
Calculating the sustainability of products based on their efficiency and function. Supplemental Data.
<p>Supplemental data for article "Calculating the sustainability of products based on their efficiency and function".</p>
Data from: Climate interacts with the functional trait structure of tree communities to influence forest productivity
<p>Tree functional diversity can increase forest productivity by enhancing species interactions and providing greater growth stability. However, very few studies have examined the influence of tree community trait structure on survivor growth, recruitment, and mortality simultaneously, which are the main drivers of forest population dynamics. Here we explore the interactions among functional diversity, productivity, and climate to investigate the role of the trait structure of communities on forest productivity and to determine under what circumstances functional diversity should be promoted to ensure forest adaptive capacity under future climate. Using random-forest modeling and a network of permanent sample plots covering a broad gradient of climatic conditions, we isolated the effects of functional diversity—described as the distribution of trait values in a community—and climate variables on net forest productivity (NFP), survivor growth, recruitment, and mortality. Based on our findings, community-level trait structure affects forest productivity in different ways. NFP was influenced by three traits from three different plant strategy dimensions, whereas survivor growth and recruitment were strongly correlated with leaf and resource acquisition traits, and tree mortality with a mix of traits reflecting various plant strategies. We also observed climate interactions with the functional trait structure of tree communities. For instance, we observed an interaction between drought tolerance and mean annual temperature: at low temperatures, NFP biomass accumulation increased with the value of the drought tolerance trait; however, at higher temperatures, the opposite pattern was observed. However, we found contrasting patterns of population response to climate variability, depending on their functional diversity. Greater functional diversity does not necessarily increase biomass accumulation under different climatic conditions.</p> <p><em>Synthesis</em>. As all components of forest productivity contribute to NFP, studies on forest productivity should not only consider survivor growth but also recruitment and mortality. Each component responds differently in terms of biomass changes to climatic variation, according to the trait structure of tree communities. This study provides a framework to identify the trait structure that should be targeted under different climate scenarios to anticipate change and help strengthen forest response capacity to climate change.</p>
Diazotrophy modulates cyanobacteria stoichiometry through functional traits that determine bloom magnitude and toxin production
<p>Harmful cyanobacterial blooms are an increasing threat to water quality. The interactions between two eco-physiological functional traits of cyanobacteria, diazotrophy (nitrogen (N)-fixation) and N-rich cyanotoxin synthesis, have never been examined in a stoichiometric explicit manner. We explored how a gradient of resource N:phosphorus (P) affects the biomass, N, P stoichiometry, light-harvesting pigments, and cylindrospermopsin production in a N-fixing cyanobacterium, Aphanizomenon. Low N:P Aphanizomenon cultures produced the same biomass as populations grown in high N:P cultures. The biomass accumulation determined by carbon, indicated low N:P Aphanizomenon cultures did not have a N-fixation growth tradeoff, in contrast to some other diazotrophs that maintain stoichiometric N homeostasis at the expense of growth. However, N-fixing Aphanizomenon populations produced less particulate cylindrospermopsin and had undetectable dissolved cylindrospermopsin compared to non-N-fixing populations. The pattern of low to high cyanotoxin cell quotas across an N:P gradient in the diazotrophic cylindrospermopsin producer is similar to the cyanotoxin cell quota response in non-diazotrophic cyanobacteria. We suggest that diazotrophic cyanobacteria may be characterized into two broad functional groups, the N-storage-strategists and the growth-strategists, which use N-fixation differently and may determine patterns of bloom magnitude and toxin production in nature.</p>
Supplementary shapefile dataset for the paper "Mars Crater Production Function based on Mapped Crater Populations"
<p>This <span>shapefile </span>dataset includes the counted craters within each area for the paper "Mars Crater Production Function based on Mapped Crater Populations".</p>
Prototype of Innovative Food Product to Improve Respiratory and Peripheral Muscle Function in Humans
ClinicalTrials.gov study NCT06248437. IPD Sharing: NO. Countries: 1. Publications: 4.
Validating the "Foods for Health" Portfolio of Functional Food Products
ClinicalTrials.gov study NCT02341924. IPD Sharing: Not stated. Countries: 2. Publications: 1.
The Effect of Two Probiotic Products on the Intestinal Barrier Function in Patients With Irritable Bowel Syndrome
ClinicalTrials.gov study NCT03986476. IPD Sharing: NO. Countries: 1. Publications: 1.
Effect of Polyphenol-rich Cocoa Products on Cognitive Function
ClinicalTrials.gov study NCT02996578. IPD Sharing: NO. Countries: 1. Publications: 12.
Theobromine, Vascular Function and Intestinal apoA-I Production
ClinicalTrials.gov study NCT02209025. IPD Sharing: Not stated. Countries: 1. Publications: 2.
The Effects of Peanuts and Peanut Products on Glucose Control and Vascular Function
ClinicalTrials.gov study NCT01405300. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Human Study of Functional Meat Products
ClinicalTrials.gov study NCT02813031. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Watermelon and Beetroot Products on Endothelial Function
ClinicalTrials.gov study NCT04781595. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Functional structure mediates the responses of productivity to addition of three nitrogen compounds in a meadow steppe
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Data from: Chemical defence in avian brood parasites: production and function of repulsive secretions in common cuckoo chicks
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Data from: Climate suitable planting as a strategy for maintaining forest productivity and functional diversity
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Data from: Does functional trait diversity predict aboveground biomass and productivity of tropical forests? Testing three alternative hypotheses
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Data from: Plant functional diversity modulates global environmental change effects on grassland productivity
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Data from: Functional traits of marine macrophytes predict primary production
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Leveraging functional traits of cover crops to coordinate crop productivity and soil health
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.