Baad from

Keywords: baad from
Description: baad - BAAD: a Biomass And Allometry Database for woody plants

The Biomass And Allometry Database (BAAD) contains data on the construction of woody plants across the globe. These data were gathered from over 170 published and unpublished scientific studies, most of which was not previously available in the public domain. It is our hope that making these data available will improve our ability to understand plant growth, ecosystem dynamics, and carbon cycling in the world's woody vegetation. The dataset is described further in the publication

Falster, DS. RA Duursma, MI Ishihara, DR Barneche, RG FitzJohn, A Vårhammar, M Aiba, M Ando, N Anten, MJ Aspinwall, JL Baltzer, C Baraloto, M Battaglia, JJ Battles, B Bond-Lamberty, M van Breugel, J Camac, Y Claveau, L Coll, M Dannoura, S Delagrange, J-C Domec, F Fatemi, W Feng, V Gargaglione, Y Goto, A Hagihara, JS Hall, S Hamilton, D Harja, T Hiura, R Holdaway, LS Hutley, T Ichie, EJ Jokela, A Kantola, JW G Kelly, T Kenzo, D King, BD Kloeppel, T Kohyama, A Komiyama, J-P Laclau, CH Lusk, DA Maguire, G le Maire, A Mäkelä, L Markesteijn, J Marshall, K McCulloh, I Miyata, K Mokany, S Mori, RW Myster, M Nagano, SL Naidu, Y Nouvellon, AP O'Grady, KL O'Hara, T Ohtsuka, N Osada, OO Osunkoya, PL Peri, AM Petritan, L Poorter, A Portsmuth, C Potvin, J Ransijn, D Reid, SC Ribeiro, SD Roberts, R Rodríguez, A Saldaña-Acosta, I Santa-Regina, K Sasa, NG Selaya, SC Sillett, F Sterck, K Takagi, T Tange, H Tanouchi, D Tissue, T Umehara, H Utsugi, MA Vadeboncoeur, F Valladares, P Vanninen, JR Wang, E Wenk, R Williams, F de Aquino Ximenes, A Yamaba, T Yamada, T Yamakura, RD Yanai, and RA York (2015) BAAD: a Biomass And Allometry Database for woody plants. Ecology 96 :1445–1445. 10.1890/14-1889.1

At time of publication, the BAAD contained 258526 measurements collected in 175 different studies, from 20950 individuals across 674 species. Details about individual studies contributed to the BAAD are given are available in these online reports .

The data in BAAD are released under the Creative Commons Zero public domain waiver, and can therefore be reused without restriction. To recognise the work that has gone into building the database, we kindly ask that you cite the above article, or when using data from only one or few of the individual studies, the original articles if you prefer.

  1. Ecological Archives. This is the version of the database associated with the corresponding paper in the journal [Ecology ]. Link .
  2. Releases we have posted on github .
  • data. amalgamated dataset (table), with columns as defined in dictionary
  • dictionary. a table of variable definitions
  • metadata. a table with columns "studyName","Topic","Description", containing written information about the methods used to collect the data
  • methods. a table with columns as in data, but containing a code for the methods used to collect the data. See config/methodsDefinitions.csv for codes.
  • references. as both summary table and bibtex entries containing the primary source for each study
  • contacts. table with contact information and affiliations for each study These elements are available at both of the above links as a series of CSV and text files.

If you are using R. by far the best way to access data is via our package After installing the package (instructions here ), users can run

to download an earlier or more recent version (where version numbers will follow the semantic versioning guidelines. The package caches everything so subsequent calls, even across sessions, are very fast. This should facilitate greater reproducibility by making it easy to depend on the version used for a particular analysis, and allowing different analyses to use different versions of the database.

The BAAD can be rebuilt from source (raw data files) using our scripted workflow in R. Beyond base R, building of the BAAD requires the package 'remake'. To install remake, from within R, run:

A number of other packages are also required ( rmarkdown, knitr, knitcitations, plyr, whisker, maps, mapdata, gdata, bibtex, taxize, Taxonstand, jsonlite ). These can be installed either within R using install.packages. or more easily using remake (instructions below).

First download the code and raw data, either from Ecological Archives or from github as either zip file. or by cloning the baad repository:

A copy of the dataset has been saved in the folder export as both rds (compressed data for R) and also as csv files.

  1. Data collected are for woody plants
  2. You collected biomass or size data for multiple individuals within a species
  3. You collected either total leaf area or at least one biomass measure
  4. Your biomass measurements (where present) were from direct harvests, not estimated via allometric equations.
  5. You are willing to release the data under the Creative Commons Zero public domain dedication.

Once sufficient additional data has been contributed, we plan to submit an update to the first data paper, inviting as co authors anyone who has contributed since the first data paper.

We are extremely grateful to everyone who has contributed data. We would also like to acknowledge the following funding sources for supporting the data compilation. D.S. Falster, A. Vårhammer and D.R. Barneche were employed on an ARC discovery grant to Falster (DP110102086) and a UWS start-up grant to R.A. Duursma. R.G. FitzJohn was supported by the Science and Industry Endowment Fund (RP04-174). M.I. Ishihara was supported by the Environmental Research and Technology Development Fund (S-9-3) of the Ministry of the Environment, Japan.

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