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| Created: | Nov 19, 2019 at 2:33 a.m. | |
| Last updated: | Dec 23, 2019 at 10:41 p.m. | |
| Citation: | See how to cite this resource | |
| Content types: | Single File Content |
| Sharing Status: | Public |
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Abstract
A vegetation survey was conducted May through July, 2010 to validate the LiDAR data collected in July. Thirty-nine 30-diameter circular plots were chosen. Within each plot, trees over 18cm diameter were counted, species names recorded, and height and diameter measured. In meadow and wetland plots, average vegetation height and dominant plant species were recorded. In meadow and wetland plots, average vegetation height and dominant plant species were recorded.
Leaf Area Index (LAI) and canopy closure (CC) data were collected between July 14 and July 23, 2010 for meadow (M), wetland (W), and forest (Leading Ridge – LR) sites in addition to the Shale Hills catchment. LAI was measured using a LAI-2200 instrument (LI-COR Biosciences). Canopy closure was measured with a spherical densiometer, Model C Forest Densiometers). See “Notes” and “Key” sheets within the data file for additional details.
Subject Keywords
Coverage
Spatial
Temporal
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Content
Additional Metadata
| Name | Value |
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| czos | Shale Hills |
| czo_id | 2650 |
| citation | The following acknowledgment should accompany any publication or citation of these data: Logistical support and/or data were provided by the NSF-supported Shale Hills Susquehanna Critical Zone Observatory. |
| comments | Leaf Area Index (LAI): LAI-2200, LI-COR Biosciences. Canopy closure: Spherical Densiometer, Model C, Forest Densiometers. Tree height: Laser rangefinder, TruPulse 360 B, Laser Technology Inc. Diameter at Breast Height (DBH): 'Pro Tape' Diameter tape, Spencer Products Company. GPS coordinates were collected with Trimble Nomad during leaf off conditions. AvgLAI: Average of LAI for the site number listed across all measurement locations in the site. SiteSD: Site standard deviation based on average. SiteSE: Site standard error. PCC: Percent canopy closure. X: X GPS coordinate. Y: Y GPS coordinate. PhenoCam project is a collaboration of Harvard University Richardson Lab, University of New Hampshire Earth System Research Center, Boston University Department of Earth & Environment, and Washington University in Saint Louis Media and Machines Lab - AMOS Project. |
| keywords | leaf area index, vegetation survey, canopy closure, crown closure, spatial data, plant species, tree height, tree diameter |
| variables | Site ID, Average LAI, Site Standard Deviation, Site Standard Error, PCC (%), X Coordinate, Y Coordinate |
| disciplines | Biology / Ecology |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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