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307 results for “Peatland”
Figure 11 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 11 - Morphological characteristics of Empodisma minus. A Vegetative shoot with attached leaves and flowers (2.5× actual size) B Rhizomes with emerging vegetative shoots (2.5× actual size) C Vegetative shoot with attached pistillate flower D Pistillate flower with attached bracts E Gynoecium F Mature nut G Vegetative shoot with attached staminate spikelet H Staminate flower with attached bracts I Staminate flower. Scale bar = 1 mm.
Figure 10 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 10 - High resolution photograph of the lectotype of Empodisma minus (Hook.f.) L.A.S. Johnson & D.F.Cutler. Reproduced with the consent of the Royal Botanic Gardens, Kew, © The Board of Trustees of the Royal Botanic Gardens. Hooker (1853) described the new species Calorophus minor Hook.f. based upon Bidwell, Colenso and Lyall specimens. A specimen collected near Nelson by Bidwell, no. 84, K000441989, was chosen as the lectotype by Moore and Edgar (1970).
Figure 9 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 9 - Morphological characteristics of Empodisma robustum. A Vegetative shoot with attached leaves and flowers (actual size) B Rhizomes with emerging vegetative shoots (2.5× actual size) C Vegetative shoot with attached pistillate flower D Pistillate flower with attached bracts E Gynoecium F Mature nut G Vegetative shoot with attached staminate spikelet H Staminate flower with attached bracts I Staminate flower. Scale bar = 1 mm.
Figure 6 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 6 - Box plots illustrating patterns of morphological variation among the species of Empodisma. The box spans the interquartile range of the values in the variate. The middle 50% of the data lie within the box, with a line showing the median. The whiskers extend beyond the ends of the box as far as the minimum and maximum values.
Figure 7 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 7 - Principal coordinates ordination depicting patterns of overall similarity among the 74 OTEs that comprised our morphological sample. The first PC axis accounted for 58.3% of the variation in our sample and the second PC axis accounted for 23. 4% of the variation.
Figure 5 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 5 - Unrooted parsimony tree from a combined analysis of the three sequence partitions. Six distinct cpDNA haplotypes are supported. Bootstrap values / the number of mutations distinguishing each haplotype are shown beside the branches. The accessions of Empodisma minus from New Zealand are indicated NZ and Australia Aus.
Figure 2 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 2 - Strict consensus tree. The three species of Empodisma (highlighted in bold) emerge as a well-supported clade distinct from Calorophus and Hypolaena. They were placed in these latter two genera by Moore and Edgar (1970) and Cheeseman (1906). Bootstrap values are provided above the branches
Figure 3 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 3 - Bayesian chronogram with estimated divergence times. Node error bars are provided in blue showing the 95% highest probability density for the divergence estimates. Posterior probability support values > 97% are given above the branches. A geological time scale is shown at the base of the tree.
Data from: Resilience of peatland ecosystem services over millennial timescales: evidence from a degraded British bog
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Maps of northern peatland extent, depth, carbon storage and nitrogen storage
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Data from: Microform-scale variations in peatland permeability and their ecohydrological implications
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Green leaf phenological characteristics of boreal peatland vegetation impacted by linear disturbances
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NACP Peatland Land Cover Map of Upper Peninsula, Michigan, 2007-2011
This dataset provides a land cover map focused on peatland ecosystems in the upper peninsula of Michigan. The map was produced at 12.5-m resolution using a multi-sensor fusion (optical and L-band SAR) approach with imagery from Landsat-5 TM and ALOS PALSAR collected between 2007 and 2011. A random forest classifier trained with polygons delineated from field data and aerial photography was used to determine pixel classes. Accuracy assessment based on field-sampled sites show high overall map accuracy (92%).
BOREAS Follow-On DSP-10 Regridded Peatland Maps
These images were produced by aggregating 1' gridded data layers derived from the polygon-based Peatlands of Canada Database (Tarnocai et al., 2000) to 10' (horizontal) by 5' (vertical) and to 0.5 degree by 0.5 degree (or 30' by 30') pixel sizes in straight latitude/longitude grids. See the Peatlands Map of Canada data set for more information on the original data product that this is based on.
NACP Peatland Landcover Type and Wildfire Burn Severity Maps, Alberta, Canada
This data set provides landcover maps of (1) peatland type (bog, fen, marsh, swamp) with levels of biomass (open, forested) and (2) Burn Severity Index (BSI) (Dyrness and Norum, 1983) for four wildfire areas in northern Alberta, Canada. The four wildfire sites include the Utikuma fire site of 2011, Kidney Lake fire site of 2011, Fort McMurray west fire site of 2009, and Fort McMurray east fire site of 2009. The peatland classification at 12.5-m resolution (fen vs. bog including treed vs. open vs. shrubby) at each wildfire site was based on a pre-burn 2007 multi-date, multi-sensor fusion (Optical-IR, C-band and L-band SAR) approach. Over 350 field locations were sampled in central Alberta to train and validate the peatland type maps. The additional site, Wabasca, was an unburned site. Burn severity was measured in the field using the Burn Severity Index (BSI) (Dyrness and Norum 1987), a qualitative assessment of burnt moss that uses a 1-5 scale, with 1 being unburnt and 5 being severely burnt. The field data of ground consumption were correlated with Landsat pre- and post-burn imagery, specific to peatlands, to develop multivariate models for calculating burn severity and %-not-sphagnum-moss. These models were used to generate the Burn Severity Maps at 30-m resolution (percent unburned moss, and the burn severity index (BSI)). All sites were visited in 2013 for field measurements and the Utikuma site was also visited in 2012 for field measurements. Additional biophysical data for the various peatlands (aboveground biomass – tree and shrub, plant heights, density, etc. were collected and will be provided in another data set.
Global Peatland Carbon Balance and Land Use Change CO2 Emissions Through the Holocene
This data set provides a time series of global peatland carbon balance and carbon dioxide emissions from land use change throughout the Holocene (the past 11,000 yrs). Global peatland carbon balance was quantified using a) a continuous net carbon balance history throughout the Holocene derived from a data set of 64 dated peat cores, and b) global model simulations with the LPX-Bern model hindcasting the dynamics of past peatland distribution and carbon balance. CO2 emissions from land-use change are based on published scenarios for anthropogenic land use change (HYDE 3.1, HYDE 3.2, KK10) covering the last 10,000 years. This combination of model estimates with CO2 budget constraints narrows the range of past anthropogenic land use change emissions and their contribution to past carbon cycle changes.
Microorganisms with novel dissimilatory (bi)sulfite reductase genes are widespread and part of the core microbiota in low-sulfate peatlands.
GEO Series GSE24582. uncultured sulfate-reducing bacterium; environmental samples; environmental samples. 83 samples. Type: Other.
The Harmonized peatland dataset for Indonesia v.0.1
<p>The harmonized data on peatlands of Indonesia, version 0.1, for the bio-physical modelling in Indonesia. Primary purpose of the dataset was to provide bio-physical models (EPIC-IIASA, G4M, and WaNuLCAS) with consistent input data on peat and mineral soil distribution in Indonesia and with the peat parameters necessary for proper representation of peat hydrology in simulations. The harmonized peatland dataset for Indonesia is closely linked to the spatial simulation infrastructure for Indonesia v.0.1 (the IND_SimU_v01 dataset) providing further and more specific description of the spatial simulation units – SimU. The harmonized peatland dataset is a result of i) the spatial harmonization between the Harmonized World Soil Dataset (HWSD v1.1) and National Peatland Atlas of Indonesia data which provided consistent coverage indicating presence and proportion of mineral soils and peat for each SimU, and enabled for linking appropriate soil hydro-physical data based on identified mineral soil and peat types, and ii) adoption of measured soil water retention characteristics for estimated peat profiles which in simulations will represent peat types identified for Indonesia. Level of simplification in this current version of dataset (v.0.1), where only country-average was taken to represent the soil organic carbon content for the three peat maturity classes, does not allow for any regional quantification of total soil organic carbon stock. The data can only be used with the bio-physical models to estimate nutrient pools and/or relative soil organic carbon dynamics (monthly, yearly) due to climate change or land use or both. The Harmonized peatland dataset for Indonesia (v.0.1) consist of three separate data tables. The data is available as a MS Excel file (IND_PeatDataset_v01.xls). The data on peat is organized within three separate sheets (SimU_PeatType_Map, PeatType_Def, and PeatType_EstProf), with table descriptors (object metadata) for each data table in separate sheets. The peat data can be displayed geographically via the SimUID identification linking it to polygon/point coverages of SimU (the IND_SimU_v01 dataset, <a href="https://doi.org/10.5281/zenodo.6997968">https://doi.org/10.5281/zenodo.6997968</a>). The details of the dataset creation procedures are described in the separate document (<a href="https://doi.org/10.5281/zenodo.7040843">https://doi.org/10.5281/zenodo.7040843</a>).</p>
Wild Berry image dataset collected in Finnish forests and peatlands using drones
<p>Berry picking has long-standing traditions in Finland, yet it is challenging and can potentially be dangerous. The integration of drones equipped with advanced imaging techniques represents a transformative leap forward, optimising harvests and promising sustainable practices. We propose WildBe, the first image dataset of wild berries captured in peatlands and under the canopy of Finnish forests using drones. Unlike previous and related datasets, WildBe includes new varieties of berries, such as bilberries, cloudberries, lingonberries, and crowberries, captured under severe light variations and in cluttered environments.</p>
Figure 8 from: Wagstaff S, Clarkson B (2012) Systematics and ecology of the Australasian genus Empodisma (Restionaceae) and description of a new species from peatlands in northern New Zealand. PhytoKeys 13: 39-79. https://doi.org/10.3897/phytokeys.13.3259
Figure 8 - Type of Empodisma robustum, N56 R. Mason, N.T. Moar 6750, 6/12/1958, CHR11159.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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