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170 results for “forest litter”
Data from: Quantifying the factors affecting leaf litter decomposition across a tropical forest disturbance gradient
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Changes in leaf litter decomposition of primary Korean pine forests after degradation succession into secondary broad-leaved forests
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LBA-ECO CD-10 Forest Litter Data for km 67 Tower Site, Tapajos National Forest
This data set reports litter type and mass in the old-growth upland forest at the Para Western (Santarem) - km 67, Primary Forest Tower Site. This site is in the Tapajos National Forest located in north central Brazil. Measurements extend from July 2000 through June 2005.Litter collection began in July 2000 using 40 circular, mesh screen traps (0.43 m diameter, 0.156 m2) randomly located throughout the 19.75-ha tree-survey area (Rice et al., 2004). Approximately every 14 days, litter was collected, sorted, oven dried at 60 degrees C, and weighed. The litterfall from each trap was sorted into (1) leaves, (2) fruits and flowers, (3) wood , <2 cm diameter, and (4) miscellaneous. Data values reported are the mean and standard error of the 40 mass measurements of each of the litter components and the combined total, that have been converted to the reporting units of Mg/ha/yr.
LBA-ECO CD-04 Leaf Litter Data, km 83 Tower Site, Tapajos National Forest, Brazil
Above-ground litter productivity was measured in a 18 ha plot adjacent to the eddy flux tower at the logged forest tower site, km 83, Tapajos National Forest, Para, Brazil. Thirty litter baskets distributed within the grid were visited bi-weekly (Goulden et al., 2004). Oven dry mass of leaves, wood, reproductive parts and miscellaneous components of the collected litter was determined for each collection. Collections covered a pre-harvest period (Sept 2000 - July 2001) and a post- harvest period (Aug 2001-Mar 2003). There is one comma-delimited data file with this data set.
LBA-ECO TG-07 Litter Decomposition, Tapajos National Forest, Para, Brazil: 2000-2001
Once the weathering of parent material ceases to supply significant inputs of phosphorus (P), vegetation depends largely on the decomposition of litter and soil organic matter and the associated mineralization of organic P forms to provide an adequate supply of this essential nutrient. At the same time, the decomposition of litter is often characterized by the immobilization of nutrients, suggesting that nutrient availability is a limiting factor for this process. Immobilization temporally decouples nutrient mineralization from decomposition and may play an important role in nutrient retention in low-nutrient ecosystems. In this study, we used a common substrate to study the effects of native soil P availability as well as artificially elevated P availability on litter decomposition rates in a lowland Amazonian rain forest on highly weathered soils. Although both available and total soil P pools varied almost three fold across treatments, there was no significant difference in decomposition rates among treatments. Decomposition was rapid in all treatments, with approximately 50% of the mass lost over the 11-month study period. Carbon (C) and nitrogen (N) remaining and C:N ratios were the most effective predictors of amount of mass remaining at each time point in all treatments. Fertilized treatments showed significant amounts of P immobilization (P < 0.001). By the final collection point, the remaining litter contained a quantity equivalent to two-thirds of the initial P and N, even though only half of the original mass remained. In these soils, immobilization of nutrients in the microbial biomass, late in the decomposition process, effectively prevents the loss of essential nutrients through leaching or occlusion in the mineral soil.
Data from: Tree functional diversity affects litter decomposition and arthropod community composition in a tropical forest
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Figs. 4–5 in "Berlese vs. Winkler": Comparison of Two Forest Litter Coleoptera Extraction Methods and the Ecoli (Extraction of Coleoptera in Litter) Protocol
Figs. 4–5. Accumulation of Coleoptera specimens obtained from six litter samples across extraction intervals.
FIGURE 1 in Albacillium hingganense gen. et sp. nov. (Clavicipitaceae) from forest litters in Northeast China
FIGURE 1. Multi-gene phylogenetic analysis of the strain SGSF339 and their close taxa based on ITS, LSU, rpb1, rpb2, SSU, and tef1 sequences. The numbers shown in the branches represent ML bootstrap support (BS) values ≥70% and Bayesian posterior probability (PP) scores ≥0.70 and show with "BS/PP".
FIGURE 2 in Arxiella longispora (Muyocopronaceae), a new fungal species from forest litters in Northeast China
FIGURE 2. Multi-gene phylogenetic analysis of the isolates SGSF303 and others based on ITS, LSU, rpb2, and tef1 sequences. The numbers shown in the branches represent ML bootstrap support (BS) values ≥50% and Bayesian posterior probability (PP) scores ≥0.95 and show with "BS / PP".
FIGURE 1 in Arxiella longispora (Muyocopronaceae), a new fungal species from forest litters in Northeast China
FIGURE 1. Maximum likelihood phylogeny analysis of the isolates SGSF303 and others based on ITS sequences. The numbers shown in the branches represent ML bootstrap support (BS) values ≥50% and Bayesian posterior probability (PP) scores ≥0.95 and show with "BS / PP". (*) indicates type sequences.
ScienceDex guides
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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.