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3,118 results for “resources”
Data from: Intraspecific correlations between growth and defense vary with resource availability and differ within- and among-populations
<p>A paradigm in the plant defense literature is that defending against herbivores comes at a cost to growth, resulting in a growth-defense tradeoff. However, while there is strong evidence for growth-defense tradeoffs across species, evidence is mixed within species. Several mechanisms can account for this equivocal support within species, but teasing them apart requires examining growth-defense relationships both within and among populations, an approach seldom employed. We examined correlations between plant biomass (growth) and terpene production (defense) within and among populations of Monarda fistulosa, a perennial herb. We sampled populations from Montana and Wisconsin, regions that differ in resource availability characterized by different summer precipitation and associated abiotic conditions that influence plant productivity. We found negative, neutral, and positive growth-defense correlations, depending on the scale examined. Negative correlations occurred across populations originating from divergent regions, positive correlations occurred across populations originating from within the high-resource region, and neutral correlations were found within single populations. Collectively, these results challenge the general expectation of ubiquitous tradeoffs and support emerging views that resource availability (as it affects productivity) shapes the evolution of defense at different scales.</p>
Disturbance-mediated invasions are dependent on community resource abundance
<p>Here is the data for the manuscript entitled "<em>Disturbance mediated invasions are dependent on community resource abundance</em>."</p> <p>The dataset columns are:</p> <ul> <li><strong>disturb</strong> - dusturbance frequency (1 = everyday, 2 = every two days etc)</li> <li><strong>kb</strong> - resource abundance. 0.01 = low, 0.1 medium and 1.0 high.</li> <li><strong>invader</strong> - nill = no invader added (not used in the manuscript), sm shows microcosms invaded by the Smooth invader and ws by the Wrinkly Spreader invader</li> <li><strong>smooth</strong> - the final number of resident smooths</li> <li><strong>wrinkly</strong> - the final number of resident wrinkly spreaders</li> <li><strong>fuzzy</strong> - the final number of resident fuzzy</li> <li><strong>iden</strong> - the final number of invader cfu</li> <li><strong>cfu/6ml</strong> - the number of resident cfu on day four</li> </ul> <p> </p> <p>Smooth, wrinkly, fuzzy and iden columns are cfu counts per 25uL</p>
In-stream tidal energy resources in macrotidal non-cohesive sediment environments: effect of morphodynamic changes at two bays in the upper Gulf of California
<p>Project_info: This dataset was obtained during the project CeMIE-Oceano (2017-2021), and was party financed by SENER-CONACyT (contract no. 249795).<br> License: The authors appreciate that users of these data: 1) Contact Vanesa Magar (vmagar@cicese.edu.mx) to follow the uses of the data, and 2) Include the requested acknowledgment (cite using the DOI of this dataset) in any presentations or publications.</p> <p>This dataset includes data used for producing Figures 4,5 and Tables 1,2 of paper "IN-STREAM TIDAL ENERGY RESOURCES IN MACROTIDAL NON-COHESIVE SEDIMENT ENVIRONMENTS: EFFECT OF MORPHODYNAMIC CHANGES AT TWO BAYS IN THE UPPER GULF OF CALIFORNIA" published in<br> Journal of Marine Science and Engineering.</p> <p>Bermúdez-Romero, Anahí; Vanesa Magar; Markus S. Gross; Victor M. Godínez; Manuel López-Mariscal; Julio Candela. In-Stream tidal energy resources in macrotidal non-cohesive sediment environment: Effect ofmorphodynamic changes at two bays in the upper Gulf of California. Journal of Marine Science and Enginnering, 9:411. https://doi.org/10.3390/jmse9040411</p>
Molecular signatures of resource competition: Clonal interference favors ecological diversification and can lead to incipient speciation
<p>Microbial ecosystems harbor an astonishing diversity that can persist for long times. To understand how such diversity is structured and maintained, ecological and evolutionary processes need to be integrated at similar timescales. Here, we study a model of resource competition that allows for evolution via de novo mutation, and focus on rapidly adapting asexual populations with large mutational inputs, as typical of many bacteria species. We characterize the adaptation and diversification of an initially maladapted population and show how the eco-evolutionary dynamics are shaped by the interaction between simultaneously emerging lineages – clonal interference. We find that in large populations, more intense clonal interference can foster diversification under sympatry, increasing the probability that phenotypically and genetically distinct clusters coexist. In smaller populations, the accumulation of deleterious and compensatory mutations can push further the diversification process and kick-start speciation. Our findings have implications beyond microbial populations, providing novel insights about the interplay between ecology and evolution in clonal populations.</p>
Fig. 6 in Activity pattern and resource use of two Callosciurus species in different habitats in northeastern Thailand
Fig. 6. Proportion of food items consumed by (a) Callosciurus finlaysonii (n = 143) and (b) C. caniceps (n = 35).
Fig. 2 in Activity pattern and resource use of two Callosciurus species in different habitats in northeastern Thailand
Fig. 2. Frequencies of detection of active (a) Callosciurus finlaysonii and (b) C. caniceps in each survey time. Data are displayed as mean ± SD. Different letters in the figure indicate a significant difference (Steel-Dwass test; P <0.05).
Fig. 1 in Activity pattern and resource use of two Callosciurus species in different habitats in northeastern Thailand
Fig. 1. Location of the study site in the headquarters (HQ) of the Sakaerat Environmental Research Station and census routes. Upper figure shows the location of Sakaerat Biosphere Reserve and the bottom figure shows an enlarged view of the HQ. Solid lines show the census route of the present study, broken lines show paved survey route of the previous study (Kobayashi et al., 2019b), broken line shows non-paved survey route of the previous study (Kobayashi et al., 2019b) in natural forests (DDF: dry dipterocarp forest in light grey; DEF: dry evergreen forest in dark grey). Dotted areas in the bottom figure are relatively open spaces with few trees, white square is the nursery, and striped squares are buildings.
Text-fig. 6. Distribution of Oligocene continental sediments of Africa, revealing the patchy and incomplete coverage of the occurrences. The Tunisian sedimentary outcrops represent an important resource for the north-western part of the continent. in Arsinoitherium (Embrithopoda) And Other Large Mammals And Plants From The Oligocene Of Tunisia
Text-fig. 6. Distribution of Oligocene continental sediments of Africa, revealing the patchy and incomplete coverage of the occurrences. The Tunisian sedimentary outcrops represent an important resource for the north-western part of the continent.
FIG. 6 in Dietary behaviour and competition for vegetal resources in two Early Miocene pecoran ruminants from Central Spain
FIG. 6. — Histograms showing the percentage of high and low occlusal relief and of each type of cusp shape for the Spanish taxa with living species and with fossil populations of Andegameryx Ginsburg, 1971 and Procervulus Gaudry, 1877 from Europe. Dental mesowear data of living taxa taken from Fortelius & Solounias (2000). Data of German taxa and fossil Procervulus ginsburgi Azanza, 1993 taken from Kaiser & RÖssner (2007) and DeMiguel et al. (2008), respectively. Abbreviations: see Material and methods.
FIG. 5 in Dietary behaviour and competition for vegetal resources in two Early Miocene pecoran ruminants from Central Spain
FIG. 5. — Mesowear features of selected teeth of: A, B, AAGR; C, D, PAGR; E, F, PMOR; G, H, PAB1. Scale bar: 1 cm. Abbreviations: see Material and methods.
FIG. 1 in Dietary behaviour and competition for vegetal resources in two Early Miocene pecoran ruminants from Central Spain
FIG. 1. — Location of the studied localities in the Iberian Chain (Central Spain). Ágreda and Moratilla are placed in the Calatayud basin, and Alto de Ballester 1 in the Rubielos de Mora basin.
FIG. 3 in Dietary behaviour and competition for vegetal resources in two Early Miocene pecoran ruminants from Central Spain
FIG. 3. — Histogram showing the density of scratches and pits for the Spanish taxa with living species and with Procervulus from other Spanish localities. Dental microwear data of living taxa and Procervulus taken from Solounias et al. (2000) and DeMiguel (2008, 2010), respectively. Abbreviations: see Material and methods.
FIG. 2 in Dietary behaviour and competition for vegetal resources in two Early Miocene pecoran ruminants from Central Spain
FIG. 2. — ESEM photomicrographs of share facets of the population of: A, AAGR; B, PAGR; C, PMOR; D, PAB1. Scale bars: 100 μm. Abbreviations: see Material and methods.
Fig. 1 in Sleeping site selection in two Asian viverrids: effects of predation risk, resource access and habitat characteristics
Fig. 1. Home ranges, core areas and sleeping sites of binturongs (Arctictis binturong) and masked palm civets (Paguma larvata). Home ranges (minimum convex polygon [MCP] 95%) and core areas (MCP 50%) with sleeping sites overlaid of (a) three masked palm civets and a female binturong at Tikong, (b) a male binturong at Sesawo, and (c) location of study sites (Sesawo and Tikong) within the study area (Thung Yai Naresuan Wildlife Sanctuary – West). Different gray shades within home ranges represent core areas of each animal.
Fig. 4 in Sleeping site selection in two Asian viverrids: effects of predation risk, resource access and habitat characteristics
Fig. 4. Use and reuse of sleeping sites. Cumulative number of unique sleeping sites in relation to the total number of sites observed for two binturongs (Arctictis binturong) and three masked palm civets (Paguma larvata). Numbers of unique sleeping sites (sites that are not re-used) versus total sleeping sites observed and study areas are indicated in parenthesis.
Fig. 3 in Sleeping site selection in two Asian viverrids: effects of predation risk, resource access and habitat characteristics
Fig. 3. Use of sleeping sites within different forest types. Percentage of different forest types used (denoted as U) for sleeping sites versus forest types available (A) for two binturongs (Arctictis binturong) and three masked palm civets (Paguma larvata). Forest types are: semi-evergreen forest (SEF), mixed deciduous forest (MDF), and dry dipterocarp forest (DDF). Numbers in parenthesis after individual animals represent the number of sleeping sites used in the analysis, excluding reused sites.
Fig. 2 in Sleeping site selection in two Asian viverrids: effects of predation risk, resource access and habitat characteristics
Fig. 2. Use of vertical strata for sleeping sites. Percentage use of different vertical strata of sleeping sites by five radio-collared viverrids (two binturongs Arctictis binturong and three masked palm civets Paguma larvata). Strata are: Above canopy, Canopy, and Sub-canopy. Numbers in parenthesis represent number of sleeping sites where animals were directly observed, excluding reused sites.
Fig. 3 in Food resources used by three species of fish in the semi-arid region of Brazil
Fig. 3. Percentage composition of main food items to the diet of Astyanax aff. bimaculatus. Number of stomachs used (>20% fullness) is shown above each column.
Fig. 2 in Food resources used by three species of fish in the semi-arid region of Brazil
Fig. 2. DCA plot for food items found in the diet of Astyanax aff. bimaculatus, in aquatic habitats of the Brazilian semi-arid region. v = Seridó/Borborema and Δ = Buíque/Vale do Ipojuca. Codes represent sampling sites (Table 1) and sampling occasions (1 - April, 2 - June, 3 - October, and 4 - December).
Fig. 1 in Food resources used by three species of fish in the semi-arid region of Brazil
Fig. 1. Study areas showing Seridó/Borborema - RN/PB and Buíque/Vale do Ipojuca - PE. Towns and cities are denoted by squares. Study sites are: 1 - Seridó River, 2 - Cipó stream, 3 - Recanto Reservoir, 4 - Escama-Peixe stream, 5 - Mulungú Reservoir, and 6 - Gurjão Reservoir.
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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.