Found 94 datasets matching "tree sampling".
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The Inventory and Monitoring (I&M) Division's Mid-Atlantic Network (MIDN) and Northeast Coastal and Barrier Network (NCBN) have identified forest vegetation, and several associated vital signs, as...
Search relevance: 39.71 | Views last month: 0 -
The Inventory and Monitoring (I&M) Division's Northeast Temperate Network (NETN) has identified forest vegetation, and several associated vital signs, as high priority for long-term monitoring....
Search relevance: 39.64 | Views last month: 0 -
Field Methods: Forest plot sampling of forest trees. Tree diameter at breast height is measured. Species and condition are noted.
Search relevance: 37.39 | Views last month: 0 -
Gall abundance and biomass was recorded on marked valley oak and blue oak individuals throughout California. Galls, mostly caused by cynipid gall wasps, were identified to species. Sampling...
Search relevance: 37.22 | Views last month: 0 -
These data are the characteristics and acorn counts from 2005 of individual live oak trees found in 0.05-ha circular habitat plots at Spears and Didion Ranches, Placer County, California. Acorns...
Search relevance: 36.48 | Views last month: 0 -
From 2013-16 we deployed 3 motion-sensing cameras paired with hair (DNA)-snaring devices within each of 263 24-square kilometer primary sampling units distributed systematically across the Olympic...
Search relevance: 36.15 | Views last month: 0 -
Most of these data were collected in order to create a database of tree locations for use in calibrating remote sensing tools and products, particularly dead tree detection tools and canopy...
Search relevance: 35.67 | Views last month: 0 -
The geodatabase represents the sampling design used to meet the project's purpose. The sampling design relies upon spatially balanced GRTS sampling. Geodatabase representing the sample design for...
Search relevance: 35.60 | Views last month: 0 -
This dataset contains detection histories of grizzly bears in areas of Grand Teton National Park that are open for elk harvest as part of the Elk Reduction Program. Sampling followed a robust...
Search relevance: 35.34 | Views last month: 4 -
Field Methods: Given the exploratory nature of this study, sampling will be conducted opportunistically for a maximum of five sites within the GSMNP. At each site, cankers will be identified and...
Search relevance: 35.14 | Views last month: 0 -
This dataset provides the complete catalog of forest inventory and biophysical measurements collected over selected forest research sites across the Amazon rainforest in Brazil between 2009 and...
Search relevance: 34.56 | Views last month: 0 -
Data presented are results of vegetation sampling conducted in 2019-20 and 2023 in 24 survey plots to document the status of infestation by shot hole borers (Euwallacea sp.) on the riparian...
Search relevance: 34.25 | Views last month: 0 -
Data presented are results of vegetation sampling conducted between August and September 2023 in 24 survey plots to document the status of infestation by shot hole borers (Euwallacea sp.) on the...
Search relevance: 34.00 | Views last month: 0 -
San Diego River shot hole borer study- vegetation data collected December 2019 through February 2020
Data presented are results of vegetation sampling conducted between December 2019 and February 2020 in 24 survey plots to document the status of infestation by shot hole borers (Euwallacea sp.) on...
Search relevance: 34.00 | Views last month: 0 -
This dataset provides simultaneous in-situ measurements of the photochemical reflectance index (PRI) and radial tree growth of selected white spruce trees (Picea glauca (Moench) Voss) at the...
Search relevance: 33.68 | Views last month: 0 -
We quantified the availability of breeding habitat of the endangered Hawaii Akepa (Loxops coccineus). The species is thought to nest excusively in natural cavities within mature ohia (Metrosideros...
Search relevance: 33.57 | Views last month: 0 -
This dataset results from systematic sampling on 60 randomly selected plots within the spruce-fir zone of GRSM. Researchers recorded the frequency and cover of 97 bryophyte species occurring on...
Search relevance: 33.55 | Views last month: 1 -
This dataset contains the tree-core data collected at the Vienna Wells Superfund site in Vienna, Missouri by the U.S. Geological Survey (USGS). Concentrations of tetrachloroethylene (PCE),...
Search relevance: 32.89 | Views last month: 0 -
This dataset contains the tree-core data collected at the Vienna Wells Superfund site in Vienna, Missouri by the U.S. Geological Survey. Concentrations of tetrachloroethylene (PCE),...
Search relevance: 32.89 | Views last month: 0 -
These data were compiled to investigate the evolutionary history of Hilaria jamesii, Hilaria mutica, and Hilaria rigida. The data release consists of two tab delimited text files that may be used...
Search relevance: 32.43 | Views last month: 0
