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60 results for “native grasses”
Data from: Positive effects of non-native grasses on the growth of a native annual in a southern California ecosystem
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Data from: Suppressing competitive dominants and community restoration with native parasitic plants using the hemiparasitic Rhinanthus alectorolophus and the dominant grass Calamagrostis epigejos
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Data from: Spatial and temporal variability in propagule limitation of California native grasses
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Data from: Emerging wild virus of native grass bioenergy feedstock is well established in the Midwestern USA and associated with premature stand senescence
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Data from: Loss of fungal symbionts at the arid limit of the distribution range in a native Patagonian grass – resource ecophysiological relations
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Data from: Integrating local knowledge and research to refine the management of an invasive non-native grass in critically endangered grassy woodlands
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Native ants help to spread an invasive African grass in the Cerrado
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Data from: Fire and non-native grass invasion interact to suppress tree regeneration in temperate deciduous forests
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Herbicide effects on the establishment of a native bunchgrass in annual grass invaded areas: Indaziflam vs. imazapic
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Data from: Effects of a non-native grass invasion decline over time
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Data from: Crop-associated virus infection in a native perennial grass: reduction in plant fitness and dynamic patterns of virus detection
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Data from: Interactive effects of a non-native invasive grass Microstegium vimineum and herbivore exclusion on experimental tree regeneration under differing forest management
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Data from: Restoring dryland old fields with native shrubs and grasses: does facilitation and seed source matter?
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Data from: Biocrusts do not differentially influence emergence and early establishment of native and non-native grasses
<p>Biological soil crusts (biocrusts) cover the soil surface of global drylands and interact with vascular plants. Biocrusts may influence the availability and nature of safe sites for plant recruitment and the susceptibility of an area to invasion by non-native species. Therefore, to investigate the potential role of biocrusts in invasive species management, we sought to determine if native and non-native grass recruitment in two North American deserts were differentially affected by biocrusts. We conducted a series of coordinated experiments in field, semi-controlled and controlled environment settings in the Colorado Plateau and Sonoran Desert using contrasting biocrust and grass functional types. Experiments in field environments focused on early establishment of grass seedlings whereas controlled environment experiments focused on seedling emergence. Within each experiment, we compared responses (frequency, magnitude, and timing of emergence/establishment) both across species (biocrust types pooled) and across species and levels of biocrust development. Native grasses varied by experiment and included <i>Aristida purpurea</i>, <i>A. purpurea</i> var. <i>longiseta</i>, <i>Bouteloua gracilis</i>,<i> </i>and<i> Vulpia octoflora</i>. Emergence of non-native <i>Bromus tectorum</i> was similar to that of native grasses on the Colorado Plateau. Differences in emergence of native vs. non-native grasses in the Sonoran Desert were species- and response-specific. Emergence of the non-native <i>Bromus rubens</i> was comparable to that of native grasses whereas emergence frequency and magnitude of the non-native<i> Pennisetum ciliare</i> was lower compared to two of four native species. Within a grass species, emergence was higher and faster on bare soil compared to biocrusts in the Sonoran Desert semi-controlled and greenhouse environment experiments. However, the pattern was not consistent across other experiments. When comparing across Colorado Plateau and Sonoran Desert biocrusts in greenhouse experiments, we found that emergence of native grasses was higher on Colorado Plateau biocrusts. Based on the lack of consistent results across our experiments, grass recruitment on biocrusts appears to be driven more by species-specific traits than species provenance. Our greenhouse experiments suggest that biocrust topographic relief is an important safe site trait influencing plant recruitment.</p>
Figure 1 from: Pétillon J, Georges A, Fouillet P (2011) Changes in salt-marsh carabid assemblages after an invasion by the native grass Elymus athericus (Link) Kerguélen. ZooKeys 100: 407-419. https://doi.org/10.3897/zookeys.100.1537
Figure 1 - Location of the study sites (Mont St-Michel Bay, France). Codes: F 'Ferme Foucault' R 'la Rive'.
Figure 2 from: Pétillon J, Georges A, Fouillet P (2011) Changes in salt-marsh carabid assemblages after an invasion by the native grass Elymus athericus (Link) Kerguélen. ZooKeys 100: 407-419. https://doi.org/10.3897/zookeys.100.1537
Figure 2 - Changes in the percentage of halophilic species in the salt marsh after the invasion by Elymus athericus.
Data from: Biocrusts do not differentially influence emergence and early establishment of native and non-native grasses
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Data from: Invasive grass fuel loads suppress native species by increasing fire intensity and soil heating
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Data from: When perception reflects reality: non-native grass invasion alters small mammal risk landscapes and survival
1. Modification of habitat structure due to invasive plants can alter the risk landscape for wildlife by, for example, changing the quality or availability of refuge habitat. Whether perceived risk corresponds with actual fitness outcomes, however, remains an important open question. We simultaneously measured how habitat changes due to a common invasive grass (cheatgrass, <i>Bromus tectorum</i>) affected the perceived risk, habitat selection, and apparent survival of a small mammal, enabling us to assess how well perceived risk influenced important behaviors and reflected actual risk. 2. We measured perceived risk by nocturnal rodents using a giving-up density foraging experiment with paired shrub (safe) and open (risky) foraging trays in cheatgrass and native habitats. We also evaluated microhabitat selection across a cheatgrass gradient as an additional assay of perceived risk and behavioral responses for deer mice (<i>Peromyscus maniculatus</i>) at two spatial scales of habitat availability. Finally, we used mark-recapture analysis to quantify deer mouse apparent survival across a cheatgrass gradient while accounting for detection probability and other habitat features. 3. In the foraging experiment, shrubs were more important as protective cover in cheatgrass dominated habitats, suggesting that cheatgrass increased perceived predation risk. Additionally, deer mice avoided cheatgrass and selected shrubs, and marginally avoided native grass, at two spatial scales. 4. Deer mouse apparent survival varied with a cheatgrass-shrub interaction, corresponding with our foraging experiment results, and providing a rare example of a native plant mediating the effects of an invasive plant on wildlife. 5. By synthesizing the results of three individual lines of evidence (foraging behavior, habitat selection, and apparent survival), we provide a rare example of linkage between behavioral responses of animals indicative of perceived predation risk and actual fitness outcomes. Moreover, our results suggest that exotic grass invasions can influence wildlife populations by altering risk landscapes and survival.
Data from: When perception reflects reality: non-native grass invasion alters small mammal risk landscapes and survival
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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.
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.