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44 results for “food composition”
Third and fourth trophic level composition shift in an aphid-parasitoid-hyperparasitoid food web limits aphid control in an intercropping system
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Inter- and intraspecific differences in rotifer fatty acid composition during acclimation to low quality food
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Data for: Coping with abrasive food – diverging composition of radular teeth in two Porifera-consuming nudibranch species (Mollusca, Gastropoda)
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Data from: Seabirds vary responses to supplemental food under dynamic natural prey availability and feeding aggregation composition
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Data from: Phylogenetic composition of host plant communities drives plant-herbivore food web structure
1. Insects tend to feed on related hosts. The phylogenetic composition of host plant communities thus plays a prominent role in determining insect specialization, food web structure, and diversity. Previous studies showed a high preference of insect herbivores for congeneric and confamilial hosts suggesting that some levels of host plant relationships may play more prominent role that others. 2. We aim to quantify the effects of host phylogeny on the structure of quantitative plant-herbivore food webs. Further, we identify specific patterns in three insect guilds with different life histories and discuss the role of host plant phylogeny in maintaining their diversity. 3. We studied herbivore assemblages in three temperate forests in Japan and the Czech Republic. Sampling from a canopy crane, a cherry picker and felled trees allowed a complete census of plant-herbivore interactions within three 0.1 ha plots for leaf chewing larvae, miners, and gallers. We analyzed the effects of host phylogeny by comparing the observed food webs with randomized models of host selection. 4. Larval leaf chewers exhibited high generality at all three sites, whereas gallers and miners were almost exclusively monophagous. Leaf chewer generality dropped rapidly when older host lineages (5-80 myr) were collated into a single lineage but only decreased slightly when the most closely related congeneric hosts were collated. This shows that leaf chewer generality has been maintained by feeding on confamilial hosts while only a few herbivores were shared between more distant plant lineages and, surprisingly, between some congeneric hosts. In contrast, miner and galler generality was maintained mainly by the terminal nodes of the host phylogeny and dropped immediately after collating congeneric hosts into single lineages. 5. We show that not all levels of host plant phylogeny are equal in their effect on structuring plant-herbivore food webs. In the case of generalist guilds, it is the phylogeny of deeper plant lineages that drives the food web structure whereas the terminal relationships play minor roles. In contrast, the specialization and abundance of monophagous guilds is affected mainly by the terminal parts of the plant phylogeny and does not generally reflect deeper host phylogeny.
Figure 5 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 5 Light microscope and stereomicroscope images of microalgae, macroalgae and invertebrates taken from gut contents of Nacella deaurata.
Figure 4 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 4 Light microscope and stereomicroscope images of microalgae, macroalgae and invertebrates taken from gut contents of Nacella magellanica.
Figure 3 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 3 Non-metric multidimensional scaling of the dietary composition recorded in the gut contents of the Nacella species in Puerto del Hambre (a, c) and Otway Sound (b, d). a, b correspond to the winter months, and c, d to the summer months. The dashed line indicates the separation between species.
Figure 2 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 2 Percentage contribution SIMPER of items in the gut contents of the Nacella species in Puerto del Hambre and Otway Sound for the winter and summer months. The contribution limit was 90% of the total dietary composition. SIMPER analysis shows the dissimilarity between the species of Nacella in the two localities (average dissimilarity in bold and on the bar). The contribution limit was 75% of the total dietary composition. M = Macroalgae (with colours) and I = Invertebrates (with grey scale). Structural hardness of the thallus for macroalgae: th = thin filaments, cf = corticated filaments, clf = cylinder-like form and lm= leathery macrophyte. Functional group for invertebrates: s = sessile and m = mobile.
Figure 1 from: Rosenfeld S, Marambio J, Ojeda J, Rodríguez JP, González-Wevar C, Gerard K, Contador T, Pizarro G, Mansilla A (2018) Trophic ecology of two coexisting Sub-Antarctic limpets of the genus Nacella: Spatio-temporal variation in food availability and diet composition of Nacella magellanica and N. deaurata in the Sub-Antarctic Ecoregion of Magellan . ZooKeys 738: 1-25. https://doi.org/10.3897/zookeys.738.21175
Figure 1 Location of study sites, circle = Puerto del Hambre and square = Otway Sound. Abbreviations: a, d general view of both localities b, e images of the middle intertidal c, f images of the lower intertidal.
Growth and Body Composition in Breastfed Infants - Study on Age of Introduction of Complementary Foods in Iceland
ClinicalTrials.gov study NCT02586571. IPD Sharing: Not stated. Countries: 0. Publications: 2.
Data from: Phylogenetic composition of host plant communities drives plant-herbivore food web structure
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Fish Collagen Peptide Food Supplement on Weight and Body Composition
ClinicalTrials.gov study NCT03872297. IPD Sharing: NO. Countries: 1. Publications: 0.
Effect of Different Flour Compositions in a Carbohydrate-based Food on Rate of Exogenous Glucose Appearance in Blood
ClinicalTrials.gov study NCT01734590. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Food Composition and Palatability
ClinicalTrials.gov study NCT02357329. IPD Sharing: Not stated. Countries: 1. Publications: 0.
The Impact of Food on Gut Microbiome Composition - a Clinical Trial Determining the Influence of Diet in Gut Microbiome Colonisation and Host Health
ClinicalTrials.gov study NCT05986955. IPD Sharing: YES. Countries: 1. Publications: 0.
Relationship Between Body Composition, Food Consumption, and Micro and Macronutrients With Gene Expression in Breast Cancer
ClinicalTrials.gov study NCT04389424. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Acute Effects of Different Macronutrient Compositions and Meal Distributions of the Food
ClinicalTrials.gov study NCT02622490. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Lifestyle Change: The Impact on Body Composition, Resting Metabolic Rate, Food Intake and Health-related Quality of Life
ClinicalTrials.gov study NCT07103005. IPD Sharing: NO. Countries: 1. Publications: 0.
The Association Between Food Timing and Composition on Gastrointestinal Injury, Stress Hormone and Gastrointestinal Complains.
ClinicalTrials.gov study NCT06403241. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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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.
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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.