Dataset: Cirsium arvense frequency on Broadbalk Section 8 1991-2018

Citation:  Sarah Perryman (2019). Dataset: Cirsium arvense frequency on Broadbalk Section 8 1991-2018 Electronic Rothamsted Archive, Rothamsted Research, Harpenden, UK DOI : https://doi.org/10.23637/bbk-2078416917-01.
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Summary

This dataset consists of the relative frequencies of Cirsium arvense (Creeping thistle) of the Family Asteraceae recorded on Section 8 plots of the Broadbalk Wheat Experiment, 1991-2018. Section 8 has not received any herbicides in its history.


The collective weed fauna, and frequency of each species such as C. arvense, differ in response to fertiliser treatments which vary with each plot (see Related Documents below).

Methods

The assessment method records the presence of individual weed species in 25 random quadrats (0.1m2) per plot. Each year all 18 plots were surveyed meaning 450 quadrats are assessed per year, usually in June. Frequencies refer to the total number of quadrats in which the species is recorded, the maximum being 25 per plot and 450 across all plots in the section.

Technical Information

Related Documents

Contributors

  • Sarah Perryman: Data curator
  • Margaret Glendining: Data curator
  • Nathalie Castells: Data manager
  • Richard Hull: Data collector

Dataset Access and Conditions

Rights Holder

Rothamsted Research

License

Creative Commons License This dataset is available under a Creative Commons Attribution Licence (4.0).

Cite this Dataset

YOU MUST CITE AS: Sarah Perryman (2019). Dataset: Cirsium arvense frequency on Broadbalk Section 8 1991-2018 Electronic Rothamsted Archive, Rothamsted Research, Harpenden, UK https://doi.org/10.23637/bbk-2078416917-01

Please review our How to Credit Datasets guidance for more information.

Conditions of Use

Rothamsted relies on the integrity of users to ensure that datasets are used appropriately and Rothamsted Research receives suitable acknowledgment as being the originators of these data. Please review the Conditions of Use before downloading.

Table Of Contents

This subset of data of this single species, C. arvense, are derived from the e-RA database dataset BKWEEDS_PLOT. This complete dataset consists of records of all species of weeds recorded in section 8.

This data is recorded & provided by staff of the Weed Ecology Group, Rothamsted Research; Richard Hull, Stephen Moss, Jon Storkey who apply all appropriate quality assurance checks.

  • The dataset Cirsium arvense frequency on Broadbalk Section 8 1991-2018 is a published dataset from the e-RA Database. e-RA is part of the Rothamsted Long-Term Experiments - National Bioscience Research Infrastructure (RLTE-NBRI), which also covers maintenance of the Long-Term Experiments, the Rothamsted Sample Archive and Rothamsted's environmental monitoring activities including the weather stations and its role in the UK Environmental Change Network
  • The RLTE-NBRI is funded by UK Research and Innovation - Biotechnology and Biological Sciences Research Council (UKRI-BBSRC) under award BBS/E/RH/23NB0007 (2023-2028). The RLTE-NBRI is also supported by the Lawes Agricultural Trust. e-RA has been part of a National Capability since 2012, previous awards from the BBSRC were Grants BBS/E/C/00005189 (2012-2017) and BBS/E/C/000J0300 (2017-2022)
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For further information and assistance, please contact the e-RA curators, Sarah Perryman and Margaret Glendining using the e-RA email address: era@rothamsted.ac.uk