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729 results for “Grazing”
Fig. 5. Mollusc grazing traces Radulichnus inopinatus from Nefiach, Pliocene. A in Bioerosion in shell beds from the Pliocene Roussillon Basin, France: Implications for the (macro)bioerosion ichnofacies model
Fig. 5. Mollusc grazing traces Radulichnus inopinatus from Nefiach, Pliocene. A. Inner surface of a pectinid valve with areas covered by Radulichnus (A1) and detail of the specimen (A2), displaying the arrangement of scratches in groups, JMC−UB/I−0103. B. Oyster shell with dense patches of Radulichnus (B1) and sculpture resulting from pervasive, deep Radulichnus bioerosion (B2), JMC−UB/I−0098. Scale bars 1 mm.
Spatial distribution of cattle, sheep and goat density, and grazed areas for the European Union and the United Kingdom
<p>To improve the sustainability of the European livestock sector we need improved knowledge on livestock density, and also on the grazing patterns. Here we provide spatially explicit data on the distribution of cattle, sheep and goats, developed by combining agricultural and veterinary statistics, in-situ data, expert surveys and machine learning. The data allow for the differentiation between livestock that are grazing on semi-natural areas and managed grasslands, versus those that do not graze and are kept indoors. </p> <p>This dataset covers all European Union Member States and the United Kingdom, and presents the spatial distribution of cattle, sheep and goat density for approximately the year 2020. Livestock density was allocated on the Corine Land Cover data, resulting in a data-set with a 100 m resolution (EPSG: 3035 - ETRS89-extended / LAEA Europe).</p> <p>Together with the livestock density maps, we also provide spatial data on the probability for grazing, and allocated grazed and non grazed areas.</p> <p><strong>File description:</strong></p> <p>The data-set consists of the following files:</p> <p> </p> <ul> <li><strong>clc_forage_mask.tif</strong> , forage areas mask for EU, based on selected Corine Land Cover classes (not including seminatural land cover areas such as natural grasslands...). This was developed by surveying grazing, grassland and livestock experts from all EU Member States and the United Kingdom. More info in the upcoming paper and in the linked paper below (Malek et al. 2024). Values are the same as in the Corine Land Cover data.</li> <li><strong>grazing_probability.tif</strong> , grazing probability map, indicating how likely each location in the EU+UK is grazed</li> <li><strong>allocated_grazing.tif</strong> , allocated grazing map, indicating which areas are grazed and which are not</li> </ul> <p> </p> <ul> <li>cattle density maps: <ul> <li><strong>cattle_grazing.tif</strong> , cattle grazing on managed forage areas</li> <li><strong>cattle_other.tif</strong> , cattle kept indoors, receiving feed from managed forage areas</li> <li><strong>cattle_seminatural.tif</strong> , cattle grazing in semi-natural areas</li> <li><strong>cattle_mosaic_categorical.tif</strong> (with a legend file) , combined categorical map for all cattle types.</li> </ul> </li> </ul> <p> </p> <ul> <li>sheep and goat density maps: <ul> <li><strong>sheep_goat_other.tif</strong> , sheep and goat density</li> <li><strong>sheep_goat_seminatural.tif </strong>, sheep and goat grazing in seminatural areas</li> </ul> </li> </ul>
FIG. 3 in Rodents in grassland habitats: does livestock grazing matter? A comparison of two Alpine sites with different grazing histories
FIG. 3. — Rank/abundance plots for the Carex sempervirens (CS) and Dactylis glomerata (DG) pastoral types. Plots are based on data published by Cavallero et al. (2003, 2007) and refer to: A, the pastoral type of the lightly grazed areas (CS type); B, the abandoned, formerly intensively grazed areas (DG type).
FIG. 2 in Rodents in grassland habitats: does livestock grazing matter? A comparison of two Alpine sites with different grazing histories
FIG. 2. — Box and whisker plots showing the median, first and third quartile and the minimum and maximum values for the log of the captured animals in each plot. Outliers are plotted as open circles.
FIG. 1 in Rodents in grassland habitats: does livestock grazing matter? A comparison of two Alpine sites with different grazing histories
FIG. 1. — Simplified land use in the study area overlaid onto a topographic map. Sampling plots were located within the lightly grazed and in the intensively grazed areas. For the latter areas, in particular, plots were located in sites not used by cattle at present. Plot locations are approximate since we could not leave traps unattended between sessions, with the result that, for each session, plots were not exactly in the same locations as the one before.
Data and R scrips for "Exposure to closed-loop scrubber washwater alters biodiversity, reproduction, and grazing of marine zooplankton"
<p>Research data and scripts associated with the article "Exposure to closed-loop scrubber washwater alters biodiversity, reproduction, and grazing of marine zooplankton" by Jönander et al.</p>
An investigation into grazing impacts by New Forest herbivores on inclosure and open woodland patch areas
<p>Data set + R-code for: An investigation into grazing impacts by New Forest herbivores on inclosure and open woodland patch areas</p>
Behavioral responses to mammalian grazing expose insect herbivores to elevated risk of avian predation
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Data from: Bison grazing in eastern tallgrass prairie does not alter plant diversity after five years
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Data from: Long-term impacts of changed grazing regimes on the vegetation of heterogeneous upland grasslands
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Sagebrush plant community response to livestock grazing in the context of abiotic variability
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Data from: Grazing by non-native ungulates negatively impacts vegetation important to a native species of concern
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Effects of riparian grazing on distinct phosphorus sources
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Data from: Grazing herbivores reduce herbaceous biomass and fire activity across African savannas
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Grazing-N addition interactions drive soil carbon priming and balance via bacterial assimilation in a meadow steppe
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Data from: Long-term cattle grazing shifts the ecological state of forest soils
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Data from: Artificial light at night and warming impact grazing rates and gonad index of the sea urchin Centrostephanus rodgersii
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Evolutionary history of grazing and resources determine herbivore exclusion effects on plant diversity
Ecological models predict that the effects of mammalian herbivore exclusion on plant diversity depend on resource availability and plant exposure to ungulate grazing over evolutionary time. Using an experiment replicated in 57 grasslands on six continents, with contrasting evolutionary history of grazing, we tested how resources (mean annual precipitation and soil nutrients) determine herbivore exclusion effects on plant diversity, richness, and evenness. Here we show that at sites with a long history of ungulate grazing, herbivore exclusion reduced plant diversity by reducing both richness and evenness, and the responses of richness and diversity to herbivore exclusion decreased with mean annual precipitation. At short with a short history of grazing, the effects of herbivore exclusion were not related to precipitation but differed for native and exotic plant richness. Thus, plant species’ evolutionary history of grazing continues to shape the response of the world’s grasslands to changing mammalian herbivory.
Seagrass growth rates and physical characteristics and measures of water temperature and salinity during a simulated green turtle grazing experiment in The Bahamas, 1999 – 2000.
This data set contains data from an experiment in which green turtle grazing was simulated in a Thalassia testudinum seagrass meadow in The Bahamas from July 1999 until December 2000. Measurements of water temperature and salinity were collected weekly. Seagrass meadow physical characteristics--blade length, blade width, number of blades per shoot, shoot density, and leaf area index--along with growth rates (both linear growth and production) were measured at various temporal intervals. Measurements were made in each of three treatments: 1) an unclipped reference treatment (representing ungrazed seagrass) in which measurements began in July 1999, 2) an experimentally clipped treatment (representing grazing) in which measurements began in July 1999, and 3) an experimentally clipped treatment (representing grazing) in which measurements began in February 2000. Data were used to investigate relationships between water temperature and salinity on seagrass growth and physical characteristics and how these relationships are affected by green turtle grazing.
Seagrass ecosystem metabolic carbon capture in response to green turtle grazing across Caribbean meadows, 2016 - 2018
This dataset contains ecosystem metabolism and seagrass meadow data from five locations in the Greater Caribbean and Gulf of Mexico regions at which green turtle populations had established foraging areas. Ecosystem metabolic rates were compared between grazed and adjacent ungrazed areas of seagrass (Thalassia testudinum) to investigate the effects of green turtle grazing on metabolic carbon capture rates in seagrass meadows across a wide geographic area. Seagrass data are provided for site descriptions and drivers of variation in metabolic rates. Ecosystem metabolic rates are also included for meadows of the invasive seagrass Halophila stipulacea from two locations for comparison to rates in the native seagrass meadows where this invasive seagrass is encroaching upon green turtle foraging areas. Data were collected from one location (Little Cayman) in 2016, and from the remaining four locations (Bonaire; St. Croix; Eleuthera, Bahamas; west coast of Florida) in 2018.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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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.