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Contrasting invasive and native tree-water relations portend shifting community structure in Pacific Northwest forests
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| Type: | Resource | |
| Storage: | The size of this resource is 49.2 MB | |
| Created: | Jan 27, 2026 at 6:01 a.m. (UTC) | |
| Last updated: | Feb 18, 2026 at 7:42 a.m. (UTC) | |
| Citation: | See how to cite this resource | |
| Content types: | Single File Content |
| Sharing Status: | Public |
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Abstract
This resource provides environmental, tree physiological, and hydroclimate datasets and associated processing code supporting the manuscript “Contrasting invasive and native tree–water relations portend shifting community structure in Pacific Northwest forests” by Drucker et al.
Data were collected in coastal British Columbia, Canada during the 2025 summer drought to characterize the water relations of Ilex aquifolium (holly) and Thuja plicata (western redcedar), along with surrounding environmental conditions. The dataset includes in situ measurements of precipitation, solar radiation (solar flux), air temperature, relative humidity, soil volumetric water content, and groundwater levels. Tree physiological measurements include monthly leaf water potential, turgor loss point, and sap flow. In addition, long-term hydroclimate datasets used to assess moisture deficit trends and streamflow dynamics are included.
All datasets are provided as Microsoft Excel (.xlsx) workbooks, some organized across multiple worksheets, with accompanying metadata. Processing code is supplied as Python (.ipynb) notebooks, originally executed in Google Colab. Most analyses can be reproduced by storing the data in the specified Google Drive directory structure; alternatively, file paths may be modified to load local files as Pandas dataframes. Select hydroclimate analyses require access to a Google Earth Engine account.
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Content
ReadMe.txt
This resource provides environmental, tree physiological, and hydroclimate datasets and associated processing code supporting the manuscript “Contrasting invasive and native tree–water relations portend shifting community structure in Pacific Northwest forests” by Drucker et al. Data were collected in coastal British Columbia, Canada during the 2025 summer drought to characterize the water relations of Ilex aquifolium (holly) and Thuja plicata (western redcedar), along with surrounding environmental conditions. The dataset includes in situ measurements of precipitation, solar radiation (solar flux), air temperature, relative humidity, soil volumetric water content, and groundwater levels. Tree physiological measurements include monthly leaf water potential, turgor loss point, and sap flow. In addition, long-term hydroclimate datasets used to assess moisture deficit trends and streamflow dynamics are included. All datasets are provided as Microsoft Excel (.xlsx) workbooks, some organized across multiple worksheets, with accompanying metadata. Processing code is supplied as Python (.ipynb) notebooks, originally executed in Google Colab. Most analyses can be reproduced by storing the data in the specified Google Drive directory structure; alternatively, file paths may be modified to load local files as Pandas dataframes. Select hydroclimate analyses require access to a Google Earth Engine account.
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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