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134 results for “permanent plot”
Remeasurement of permanent hectare plots at Hocking College 1998 (Coweeta Hydrologic Laboratory) in 1998
Data was collected from six collectors. Statistical means were volume weighted.
1992-93 Parramore Island, VA Permanent Plot Baseline Data : Site Data
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1992-93 Parramore Island, VA Permanent Plot Baseline Data : Subplot Data
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1992-93 Parramore Island, VA Permanent Plot Baseline Data : Tree Data
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1992-93 Parramore Island, VA Permanent Plot Baseline Data : Shrub Data
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1992-93 Parramore Island, VA Permanent Plot Baseline Data : Subplot Water Cover
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Vegetation Cover Permanent Plot Data : Biomass at Upper Phillips Creek marsh at the Virginia Coast Reserve 1990
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Vegetation Cover Permanent Plot Data: Bulk Density at Upper Phillips Creek marsh at the Virginia Coast Reserve 1990-1992
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Vegetation Cover Permanent Plot Data : Macroorganic Material at Upper Phillips Creek at the Virginia Coast Reserve 1990-1992
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Vegetation samples at the permanent plots of LTER site "Appennino Centrale: Velino-Duchessa" (1993-2023)
<p>The present dataset comprises observations spanning from 1993 to 2023, focusing on biotic parameters collected from six permanent plots included into the LTER site “Appennino Centrale: Velino-Duchessa” (<a href="https://deims.org/12c79ecb-7890-4b75-9655-0883dacd8a29">https://deims.org/12c79ecb-7890-4b75-9655-0883dacd8a29</a>), located in Central Italy above the timberline (2125-2225 m a.s.l.). Specifically, it includes a synthesis of phytosociological relevés collected, according the Braun-Blanquet approach (coverage scale as modified by Pignatti) in 6 permanent plots of 10x10 m (https://deims.org/dataset/0c540fe8-1984-11e5-a766-005056ab003f), representative of two high-elevation plant communities (alpine tundra, <em>Saxifrago speciosae-Silenetum ceniasiae,</em> and snow-bed grassland, <em>Trifolio thalii-Festucetum microphyllae).</em> Species are named according to Flora d'Italia (Pignatti, 1982). The site, managed by Carabinieri, Forest and Environmental Protection Department, is part of the site “IT01- Apennines - High elevation Ecosystems – Italy” (<a href="https://deims.org/70b5c2bd-b0c3-4132-8988-f527893bfa42">https://deims.org/70b5c2bd-b0c3-4132-8988-f527893bfa42</a>) which belongs to the Long Term Ecological Research national and international networks (LTER-Italy, LTER-Europe and ILTER). The data collection started in 1993 and it is continuously updated every year.</p>
Microclimate measurement, HOBO stations at permanent plots, sites
HOBO micromet station are located at the three permanent plots, presidents house, desert botanical garden, and community services building. All stations are equiped with temperature, humidity, and PAR sensors. The station at the DBG is part of an experimental setup in which different watering regimes are tested. At the presidents house soil temperatures and moisture is measured at 3 depth. At the community services building soil temperature and moisture are measured at the same depth under a shrub, in a swale and a slope.
Abundance of trees and seedlings, climatic, and soil variables in 36 20x20 m permanent plots in peri-urban Andean forests of Colombia
<p>The study was conducted on the Eastern Andean Cordillera of Colombia, in remnant forests occurring in the high-plain where Bogotá lies, one of the largest cities in Latin America. The high-plain covers an area of about 185,000 ha at an average altitude of 2600 meters above sea level (m a.s.l.). We selected six study sites, distributed in the Eastern and Western slopes of the mountain range that surrounds the high-plain, which exhibit different climatic and edaphic characteristics. Five of the sites were located in the suburban municipalities of Soacha (So), San Francisco (Sf), Guasca (Gu), Tabio (Ta), and the last one, Torca (To), located in a large forest fragment at the periphery of Bogotá. Sites were selected so that they encompassed both early- and late-successional or old-growth forest patches. <br> Within each site, we established three 20 m x 20 m plots in early-successional forests (E) and three 20 m x 20 m plots in late-successional (L) for a total of 36 permanent plots. Here, we present climatic and soil variables for each plot and also the abundances of all tree, shrub, palm, and tree-fern individuals with DAH> 5 cm included in each plot. For simplicity we refer to these as "trees" (-t). Within each plot, we additionally established four subplots of 2 m x 2 m, where we tagged and measured all seedlings> 5 cm in height and DAH ≤ 1 cm; we also present the abundances of the seedlings (-s).</p> <p>Vouchers were collected for each tree and seedling species or morphospecies and identified with the help of an expert botanist and using the resources of the herbarium of the Bogotá Botanical Garden (JBB). Vouchers specimens were stored at the herbarium of the Alexander von Humboldt Biological Resources Research Institute (FMB). Overall, we recorded Vouchers that were not identified to species were assigned a standardized morphospecies and were all included in the analyzes.</p>
Abundance of trees and seedlings, climatic, and soil variables in 36 20x20 m permanent plots in peri-urban Andean forests of Colombia
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Soil chemistry and ITS sequences of permanent forest plots at the Station de biologie des Laurentides
<p>Data of soil chemistry, ITS sequences and plots informations.</p> <p>Target soil fungi using Illumina sequencing with ITS as marker gene.</p> <p>15 permanent plots of forests dominated by arbuscular mycorrhizal or ectomyoccrhizal trees or both.</p> <p>Located at the Station de Biologie des Laurentides, Université de Montréal.</p> <p> </p> <p>Files :</p> <p>*fastq.gz contain the sequence data for each samples</p> <p>soil.csv contains soil chemistry and plots informations.</p> <p>label_soil_sample.csv links identifiers for sequencing (i.e. sample) and soil analysis (i.e. sampleID)</p> <p> </p> <p>Scripts for bioinformatical and statistical analyses can be found here: https://doi.org/10.5281/zenodo.3631982</p>
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