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This repository contains dendrometer bands data for the SCBI ForestGEO plot. There are two sets of measurements: the biannual and intra-annual.

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SCBI-ForestGEO/Dendrobands

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SCBI Dendrometer bands

Data Dashboard

DOI

Data collection errors to resolve

QA_QC_checks

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warnings?

These do not cause the tests to fail, but may indicate problems and should be reviewed.

There_is_no_warnings_:-)

Anomalous measurement report

Data Description

Overview

This repository contains dendrometer bands data for the SCBI ForestGEO plot. There are two sets of measurements:

  1. Biannual dendrometer bands - dendrometer bands on >500 trees measured at start and end of growing season: 2010 - present
  2. Intra-annual (i.e. biweekly) dendrometer bands - dendrometer bands on >150 trees measured around every 2 weeks during growing season: 2011 - present

This data exists in two forms:

  1. Raw data based on field collection forms.
  2. Post-processed data in the scbi.dendroAll_YEAR.csv files. This is the data to be used for analysis.

Whenever raw data is pushed to GitHub, GitHub Actions continuous integration follows the steps in .github/workflows/QA_QC_checks.yaml, which automatically 1) takes the raw data and produces the post-processed data and 2) performs data QA/QC

To learn how to address both 1) code scripting and 2) data collection errors identified by GitHub Actions, watch this screencast training video.

Sampling location

SCBI ForestGEO plot

Protocols and data management

  1. Biannual dendrometer bands - In 2010, 243 bands were initially installed, additional bands were installed in 2011 and currently more than 515 stems of various DBH (5.5-152 cm) are being monitored. Protocols for band installations and remeasurement are published here (original protocol; latest protocol).
  2. Intra-annual dendrometer bands - Since 2011, ~155 stems of DBH ranging from 6-148 cm are monitored biweekly during the growing season each year.

Workflow

Data organization

A dataset for each year of collection is found in the data folder. Each year has a master data set that includes both biannual and intra-annual surveys (with a file name format “scbi.dendroAll_YEAR.csv”)

In the interest of keeping survey data entry simplified, each type of survey (biannual and intra-annual) has its own .csv for data entry for the current year. This is where the current year’s data will be entered during the growing season (March – November). When the growing season is finished and the November biannual survey is complete, data should be transferred to the scbi.dendroAll_YEAR.csv via joining/merging in R. 1. Metadata for these individual forms are consistent with the scbi.dendroAll_YEAR.csv metadata (the master).

Tree data for dendro trees

A summary of tree species by survey type per year (ie. dbh range) are available here.

Some relevant data on dendrometer banded trees (geographic location, date started/end, mortalitity year, etc) is available here dendro_trees.csv.

Note: Also relevant (for code, cross-site integration) is the ForestGEO Dendro repository.

Terms of use

Data are published to this reposity immediately upon collection. We require that the (mostly early-career) members of our team who contributed to data collection be given the opportunity to contribute as coauthors (with full opportunity to comment on analysis plans and draft manuscripts) to the first scientific publication using the data. Data usage agreements thefore depend upon collection date, currently deliniated as specified below.

Data from 2011-2021

These data are licensed under the Creative Commons Attribution 4.0 International license.

Data from 2021 - present

These data are covered by a custom data use agreement. Please refer to the data_use_agreement.md file for details. Data use requests may be denied if they compete with planned publications (particularly those led by early-career researchers) or fail to adhere to acceptable standards of scientific integrity and rigour. We strongly advise contacting PI Kristina Anderson-Texeira prior to beginning analysis of these data.

Contributors

name GitHub ID position* role
Kristina Anderson-Teixeira teixeirak staff scientist, SCBI & STRI plot PI
William McShea staff scientist, SCBI plot PI
Erika Gonzalez-Akre gonzalezeb lab manager, SCBI oversight of data collection
Victoria Meakem research assistant, SCBI data collection
Ryan Helcoski RHelcoski research assistant, SCBI data collection
Ian McGregor mcgregorian1 research assistant, SCBI data collection, data organization, coding
Alyssa Terrell terrella3 research assistant, SCBI data collection, data organization, coding
Cameron Dow camerondow35 research assistant, SCBI data collection, data organization, coding
Albert Y. Kim rudeboybert research associate, SCBI data organization, coding, continuous integration
Jess Shue jess-shue biological science technician, SERC data collection, data organization, coding
Jennifer A. Jordan jenajordan intern, SCBI ; PhD student, GMU data collection, data organization
Erin L. MacMonigle intern, SCBI data collection, data organization
Rachel Hoffmann intern, SCBI data collection, data organization

*refers to position at time of main contribution to this repository

[List does not yet include field assistants/ students/ volunteers who helped collect data]

Funding

ForestGEO

Contact

Contact Kristina Anderson-Texeira or Jessica Shue for any inquiry on dendroband data collection at SCBI.

About

This repository contains dendrometer bands data for the SCBI ForestGEO plot. There are two sets of measurements: the biannual and intra-annual.

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