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373 results for “herbaceous”
Figure 4 from: Costa SM, Barbosa TDM, Bittrich V, Amaral MCE (2016) Floristic survey of herbaceous and subshrubby aquatic and palustrine angiosperms of Viruá National Park, Roraima, Brazil. PhytoKeys 58: 21-48. https://doi.org/10.3897/phytokeys.58.5178
Figure 4 - Wetland eudicots of Viruá National Park (selected examples). A Cynanchum guanchezii Morillo B Drosera kaieteurensis Brumm.-Ding. C Aeschynomene scabra G.Don D Irlbachia pratensis (Kunth) L.Cobb & Maas E Utricularia chiribiquetensis Fernandez-Pérez F Lindernia diffusa (L.) Wettst G Cuphea cf. gracilis Kunth H Acisanthera tetraptera (Cogn.) Gleason I Nymphoides indica (L.) Kuntze J Ludwigia sedoides (Humb. & Bonpl.) H.Hara K Bacopa egensis (Poepp.) Pennell L Sipanea pratensis Aubl.
Figure 3 from: Costa SM, Barbosa TDM, Bittrich V, Amaral MCE (2016) Floristic survey of herbaceous and subshrubby aquatic and palustrine angiosperms of Viruá National Park, Roraima, Brazil. PhytoKeys 58: 21-48. https://doi.org/10.3897/phytokeys.58.5178
Figure 3 - Wetland basal angiosperms and monocots of Viruá National Park (selected examples). A Nymphaea amazonum Mart. & Zucc. B Cabomba furcata Schult. & Schult. f. C Helanthium tenellum (Mart. ex Schult. & Schult. f.) Britton D Bactris campestris Poepp. E Burmannia bicolor Mart. F Eleocharis fluctuans (L.T. Eiten) E.H. Roalson & C.E.Hinchliff G Syngonanthus fenestratus Hensold H Schiekia orinocensis (Kunth) Meisn. I Mayaca longipes Mart. ex Seub. J Echinolaena inflexa (Poir.) Chase K Duckeella pauciflora Garay L Abolboda pulchella Humb. & Bonpl.
Figure 2 from: Costa SM, Barbosa TDM, Bittrich V, Amaral MCE (2016) Floristic survey of herbaceous and subshrubby aquatic and palustrine angiosperms of Viruá National Park, Roraima, Brazil. PhytoKeys 58: 21-48. https://doi.org/10.3897/phytokeys.58.5178
Figure 2 - Viruá National Park: habitats and physiognomies. A–B waterbodies with turbid (A) and translucid (B) water; C–D Areas with saturated soils during rainy season (C) and dry season (D); E–G Forested (E given by K.G. Cangani), arboreal (F) and herbaceous (G) white-sand savannas ("campinaranas").
Figure 1 from: Costa SM, Barbosa TDM, Bittrich V, Amaral MCE (2016) Floristic survey of herbaceous and subshrubby aquatic and palustrine angiosperms of Viruá National Park, Roraima, Brazil. PhytoKeys 58: 21-48. https://doi.org/10.3897/phytokeys.58.5178
Figure 1 - Viruá National Park (location). A Roraima state in Brazil B the VNP in the central-southern region of Roraima C the actual limits of protected area (black line), the area aimed to be included during extension (green line) and the collecting points [.shp files provided by IBGE and the VNP administration]
FIGURE 9 in Metriocnemus erythranthei sp. nov. and Limnophyes viribus sp. nov. (Diptera: Chironomidae: Orthocladiinae): leafminers of monkeyflowers, speedwells, and other herbaceous plants, with new observations on the ecology and habitats of other leaf-mining Chironomidae
FIGURE 9. Limnophyes viribus sp. nov., male (a–d). a. tentorium; b. thorax; c. wing; d. hypopygium.
Field‐based individual plant phenotyping of herbaceous species by unmanned aerial vehicle
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Data from: The response of root traits to precipitation change of herbaceous species in temperate steppes
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Data from: Testing the plant growth-defense hypothesis belowground: do faster-growing herbaceous plant species suffer more negative effects from soil biota than slower-growing ones?
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Data from: Contrasting nitrogen cycling between herbaceous wetland and terrestrial ecosystems inferred from plant and soil nitrogen isotopes across China
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Data from: Environmental drivers and phylogenetic constraints of growth phenologies across a large set of herbaceous species
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Data from: Shifts and disruptions in resource-use trait syndromes during the evolution of herbaceous crops
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Association of leaf silicon content with chronic wind exposure across and within herbaceous plant species
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Data from: Secondary reproduction in the herbaceous monocarp Lobelia inflata: time-constrained primary reproduction does not result in increased deferral of reproductive effort
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Large herbivores maintain a two-phase herbaceous vegetation mosaic in a semi-arid savanna
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Mechanisms driving the soil organic matter decomposition response to nutrient enrichment:Nutrient Network. A cross-site investigation of bottom-up control over herbaceous plant community dynamics and ecosystem function.
This experiment is one implementation of a globally distributed experiment, known as the Nutrient Network. At Cedar Creek, as in over 70 other sites in grasslands around the world, the experiment aims to describe impacts of increased nutrients (nitrogen, phosphorus, potassium, sulfur and other metals) and decreased herbivory (removal of mammals by fencing). Two overarching questions are being explored with these manipulations: 1. To what extent are plant production and diversity co-limited by multiple nutrients in herbaceous-dominated communities? 2. Under what conditions do grazers or fertilization control plant biomass, diversity, and composition? By utilizing identical protocols at diverse grassland sites around the world, NutNet aims to uncover both the generalities in ecosystem functioning, and the contingencies or differences which can obscure those common mechanisms. In addition to the standard NutNet protocol, e247 includes an additional low Nitrogen gradient (1 gram Nitrogen per meter squared per year and 5 grams Nitrogen per meter squared per year in addition to the standard 10 grams Nitrogen per meter squared per year).
Delta-X: Soil Properties for Herbaceous Wetlands, MRD, Louisiana, 2021, V3
This dataset contains properties of soil core samples for herbaceous wetlands collected in the Atchafalaya and Terrebonne basins in southeastern coastal Louisiana for the period 2021-03-21 to 2021-04-02 and on 2021-08-19. Field measurements were conducted at six sites in the Atchafalaya (N = 3) and Terrebonne (N = 3) basins. Five sites were adjacent to sites from the Coastwide Reference Monitoring System (CRMS). The other site is in the Wax Lake Delta (WLD) without appropriate adjacent CRMS sites. Herbaceous wetland sites in both basins were chosen to represent a salinity gradient including freshwater, brackish and saline ecosystems. Soil properties include bulk density, organic matter content, total densities of carbon, nitrogen, phosphorus, along with 13C and 15N isotopic signatures. The data are provided in comma-separated values (.csv) format.
Delta-X: AVIRIS-NG L3 Derived Herbaceous Aboveground Biomass, MRD, Louisiana, USA, V3
This dataset includes high-resolution (~5 m) gridded estimates of aboveground biomass (AGB), aboveground necromass (AGN), and aboveground net primary productivity (ANPP) for herbaceous vegetation in the Atchafalaya and Terrebonne basins of the Mississippi River Delta in coastal Louisiana, USA, for the fall and spring seasons of 2021. AGB, AGN and ANPP were estimated from Bidirectional Reflectance Distribution Function (BRDF)-adjusted surface reflectance products from NASA's Airborne Visible Infrared Imaging Spectrometer - Next Generation (AVIRIS-NG) acquired over the study area in April and August 2021. The BRDF-adjusted reflectance was derived from hemispherical-directional surface reflectance with atmospheric correction. Local pixel reflectance spectra coincident with herbaceous vegetation AGB field samples from both Spring and Fall 2021 collections were used to generate a machine learning-based regression model to estimate AGB. This model was then scaled to the AVIRIS-NG mosaic imagery in accordance with vegetation type to map herbaceous AGB across the Atchafalaya and Terrebonne Basins. The AGN field data, separated from the AGB samples, were also used in conjunction with AVIRIS-NG-derived fractional coverage to derive AGN maps again employing machine learning. The AGB and AGN products were used together to map ANPP across the Atchafalaya and Terrebonne Basins. The data are provided in cloud optimized GeoTIFF (COG) format. This Version 3 dataset replaces the files provided in Version 2.
Delta-X: Aboveground Vegetation Structure, Herbaceous Wetlands, MRD, LA, USA, V2
This dataset provides mean stem diameter, mean height, dominant species, hydrogeomorphic zone (HGM), and stem density for vegetation in herbaceous wetlands collected in the Atchafalaya and Terrebonne basins in southeastern coastal Louisiana. The data were collected between 2021-03-21 to 2021-03-31 during the Delta-X Spring 2021 deployment, and from 2021-08-19 to 2021-08-27 during the Fall deployment. Field measurements were conducted at six sites in the Atchafalaya (N = 3) and Terrebonne (N = 3) basins. Five of the sites were adjacent to sites from the Coastwide Reference Monitoring System (CRMS), and the other site was in the Wax Lake Delta (WLD) without appropriate adjacent CRMS sites. Sites in both basins were chosen to represent a salinity gradient including freshwater, brackish, and saline ecosystems. At each herbaceous wetland site, duplicate sampling stations (30 m apart) were established parallel to the wetland edge at 25 and 50 m within the intertidal zone to capture within site variability in vegetation dynamics and soil properties. The data are provided in comma-separated values (*.csv) format.
Woody and Herbaceous Vegetation Change across the Savannas of West Africa, 1982-2013
The WAVeTrends dataset is a 0.05 degree (5.55 km) vegetation change product, spanning the West African Sudano-Sahel region. It provides pixel-wise information on concurrent woody and herbaceous vegetation trends over a 32-year period (1982-2013). Change in woody vegetation was derived using long-term rain use efficiency (RUE) sensitivity, i.e., the per-pixel comparison of the difference of mean RUE between the first and last decades of the 32-year time series. Herbaceous vegetation change was defined by short-term RUE sensitivity, i.e., comparing the slope of the RUE relationship (productivity vs. precipitation) between both decades using per-pixel Analysis of Covariance (ANCOVA). Categorical vegetation change was then determined for each pixel using the direction of the change and a significance level of p<0.05. The use of RUE (the amount of biomass produced per unit of precipitation) for vegetation trend analysis in savanna regions relies on the assumption that rainfall is a significant positive driver of net production in drylands. Testing of this long-term productivity-rainfall relationship revealed that the assumption was not always met, therefore, validity flags are included for each pixel location.
Delta-X: Root Stable Isotopes from Herbaceous Wetlands, MRD, LA, USA, August 2021
This dataset contains carbon-13 (13C) and nitrogen-15 (15N) isotopic signatures of belowground root biomass samples from herbaceous wetlands in the Atchafalaya and Terrebonne basins of the Mississippi River Delta in coastal Louisiana, U.S., during August 2021. The data were collected during the Delta-X Fall deployment. Field measurements were conducted at three sites in the Atchafalaya basin and three sites in the Terrebonne basin. Five of the sites are adjacent to sites from the Coastwide Reference Monitoring System (CRMS). The other site is located in Wax Lake Delta (WLD) without appropriate adjacent CRMS sites. Herbaceous wetland sites in both basins were chosen to represent a salinity gradient including freshwater, brackish, and saline ecosystems. Root biomass samples were collected using a gouge soil auger. Bulk isotopic signatures in living fine roots were measured with a mass spectrometer coupled to an elemental analyzer.
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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.