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205 results for “Intensification”
Data from: Plant demographic and functional responses to management intensification: a long-term study in a Mediterranean rangeland
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Agricultural intensification and land use change: assessing country-level induced intensification, land sparing and rebound effect
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Data for: Simulating effects of agricultural intensification and climate change: Nitrogen fertilization and drought stress decrease insect herbivore performance
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Data from: Urbanisation and agricultural intensification modulate plant-pollinator network structure and robustness
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Agricultural intensification impairs behavioral abilities and the expression of genes associated with social responsiveness in honey bees
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Experimental evidence of multiple ecosystem services and disservices provided by ecological intensification in Mediterranean agro-ecosystems
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Data from: Comparative landscape genetics of two frugivorous bats in a biological corridor undergoing agricultural intensification
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Data from: Land-use intensification increases richness of native and exotic herbaceous plants, but not endemics, in Malagasy vanilla landscapes
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Data from: The fate of nitrogen during agricultural intensification in East Africa: nitrogen budgets in contrasting agroecosystems
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Woody encroachment happens via intensification, not extensification, of species ranges in an African savanna
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Data from: Influence of agricultural intensification on pollinator pesticide exposure, food acquisition and diversity
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Agricultural intensification heightens food safety risks posed by wild birds
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Photochlorination of Toluene - The Thin Line Between Intensification and Selectivity. Part 2: Selectivity
<p>This repository contains the original quantum chemical data from the original publication.</p> <p>See the README.md file for explanations of files and the directory structure.</p>
Short-chain cello-oligosaccharides: Intensification and scale-up of their enzymatic production and selective growth promotion among probiotic bacteria
<p>We provide here the underlying data of the scientific publication "Short-chain cello-oligosaccharides: Intensification and scale-up of their enzymatic production and selective growth promotion among probiotic bacteria". Please find the abstract below:</p> <p>Short-chain cello-oligosaccharides (COS; degree of polymerization, DP≤6) are promising water-soluble dietary fibers. An efficient approach to their bottom-up synthesis is from sucrose and glucose using glycoside phosphorylases. Here, we show intensification and scale up (20 mL; gram scale) of COS production to 93 g/L product and in 82 mol % yield from sucrose (0.5 M). The COS were comprised of DP 3 (33 wt %), DP 4 (34 wt %), DP 5 (24 wt %) and DP 6 (9 wt %) and involved minimum loss (≤10 mol %) to insoluble fractions. After isolation (≥95% purity; ≥90% yield), the COS were examined for growth promotion of probiotic strains. Benchmarked against inulin, trans-galacto-oligosaccharides and cellobiose, COS showed up to 4.1-fold stimulation of cell density for <em>Clostridium butyricum</em>, <em>Lactococcus lactis</em> subsp.<em>lactis</em>, <em>Lactobacillus paracasei</em> subsp. <em>paracasei</em> and <em>Lb. rhamnosus</em> but were less efficient with <em>Bifidobacterium</em> sp. This study shows the COS as selectively functional carbohydrates with prebiotic potential and demonstrates their efficient enzymatic production.</p>
Agricultural intensification drives changes in hybrid network robustness by modifying network structure
<p>Within ecological communities, species engage in myriad interaction types, yet empirical examples of hybrid species interaction networks composed of multiple types of interactions are still scarce. A key knowledge gap is understanding how the structure and stability of such hybrid networks are affected by anthropogenic disturbance. Using 15,169 interaction observations, we constructed 16 hybrid herbivore-plant-pollinator networks along an agricultural intensification gradient to explore changes in network structure and robustness to local extinctions. We found that agricultural intensification led to declines in modularity but increases in nestedness and connectance. Notably, network connectance, a structural feature typically thought to increase robustness, caused declines in hybrid network robustness, but the directionality of changes in robustness along the gradient depended on the order of local species extinctions. Our results not only demonstrate the impacts of anthropogenic disturbance on hybrid network structure, but they also provide unexpected insights into the structure-stability relationship of hybrid networks.</p>
Data from: Land abandonment and intensification diminish spatial and temporal β-diversity of grassland plants and herbivorous insects within paddy terraces
1. Although traditional land-use and management practices are known to enhance environmental heterogeneity in agricultural lands, loss of heterogeneity resulting from recent land-use changes can lead to spatiotemporal β-diversity losses (biotic homogenization). However, patterns and causes of β-diversity loss, especially at a within-field scale, have remained unexplored. 2. We examined β-diversity declines in plants, butterflies and orthopterans resulting from land abandonment and intensification in semi-natural grasslands on paddy margins at a within-field scale in relation to changes in disturbance frequency and surrounding landscapes by surveying eight abandoned, thirteen traditional and ten intensive paddy terraces. Three indices, the additive partitioning of species richness (βadd) and the turnover (βtu) and nestedness (βne) components of Jaccard dissimilarity of plants and herbivores, were used to evaluate different aspects of β-diversity. We hypothesized that biotic homogenization due to abandonment and intensification would be expressed as low spatiotemporal βadd and βtu, low spatial βne and high temporal βne. 3. The spatial and temporal βadd of plants and herbivores were higher in traditional terraces than in others. Changes in mowing frequency caused direct declines in butterfly βadd and indirectly decreased herbivore βadd through diminished plant βadd in abandoned and intensified terraces. 4. Neighbouring forests increased plant spatial and butterfly temporal βadd and βtu. Abandoned terraces had higher orthopteran spatial and plant temporal βtu than traditional terraces. Mowing frequency generally did not influence spatial and temporal βtu of plants and herbivores. In intensive terraces, temporal βne of plants were higher than in traditional terraces, suggesting dominance by plant species sharing similar phenologies. 4. Synthesis and applications. These results suggest that traditional mowing practices are essential for maintaining plant and herbivore βadd, and consequently, species pools within terraces. The higher spatial or temporal species turnover of plants and orthopterans in abandoned terraces and higher temporal plant nestedness in intensive than in traditional terraces were not due to increases in species pools within terraces. Because within-terrace environmental heterogeneity is thought to remain in abandoned and intensive terraces, we recommend reduction in mowing frequency in intensive terraces and reintroduction of mowing in abandoned terraces for biodiversity restoration.
Data from: Tropical rainforest conversion and land-use intensification reduce understory plant phylogenetic diversity
1. Conversion of rainforest into agricultural land affects multiple facets of tropical plant diversity. While the effects of tropical land use change and intensification on species diversity are comparatively well studied, the effects on phylogenetic diversity and structure of plant communities are largely unknown. Furthermore, it is not clear how the loss of native species and addition of alien species collectively affect phylogenetic diversity and structure. 2. We investigated the phylogenetic diversity and structure of understorey plants; a diverse and ecologically important, yet poorly studied group. We studied four prominent land use systems (tropical lowland rainforest, jungle rubber agroforest, rubber plantations and oil palm plantations) in the lowlands of Sumatra (Indonesia), a region experiencing dramatic land use changes. 3. Across the four systems, we investigated differences in four metrics of phylogenetic community structure (phylogenetic diversity, mean pairwise distance, mean nearest taxon distance and their abundance-weighted variants). Our analyses were based on a comprehensive vegetation survey consisting of 32 plots, 1,197 species of vascular plants, and 146,599 plant individuals. 4. Our results showed that forest conversion into agricultural systems leads to a pronounced loss of phylogenetic diversity. Furthermore, the standard effect size of mean pairwise distance indicated a gradual change from clustered to overdispersed phylogenetic community structure with increasing land use intensity from forest over jungle rubber to the monoculture plantations. In most land use systems, the presence or absence of alien plant species did not affect phylogenetic structure. Only in oil palm plantations, removing alien species from the data led to a more overdispersed structure. In conclusion, conserving the phylogenetic diversity and structure requires efficient protection of the last remaining rainforests. 5. Synthesis and applications. Forest conversion into agricultural areas negatively affects phylogenetic understorey plant diversity and leads to a shift from clustered to overdispersed phylogenetic community structure. These trends are partly driven by alien species particularly in oil palm plantations. Protecting the remaining rainforests, and considering multi-species agroforestry systems in favour of intensive monoculture plantations are thus imperative to conserve phylogenetic plant diversity and community structure.
Dataset for paper "Southward shift and intensification of the intertropical convergence zone in the North Pacific across the mid-Pleistocene transition" submittted to Geophysical Research Letters
<p>Data of SST and SSS from <i>G. ruber</i> 𝛿18O and Mg/Ca of core ODP871 (5°33′N, 172°21′E, water depth 1255 m) in the central equatorial Pacific.</p>
Data for the paper Large-Scale Tropical Circulation Intensification by Aerosol Effect on Clouds
<p>Data for the paper Large-Scale Tropical Circulation Intensification by Aerosol Effect on Clouds.</p> <p> </p> <p>Please see the README for more information. </p>
Disentangling the seasonal effects of agricultural intensification on birds and bats in Mediterranean olive groves
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ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.