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A botanical survey to help understand change in our wild flora

Date:
January 4, 2016
Source:
Pensoft Publishers
Summary:
Volunteers in the north-east of England have created a benchmark survey of common plants with which to identify change in the countryside, its result and causes. This survey will be used in the future to monitor the effects of climate change on plants; assess the success of conservation measures and predict future change.
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Volunteers in the north-east of England have created a benchmark survey of common plants with which to identify change in the countryside, its result and causes. This survey will be used in future to monitor the effects of climate change on plants; assess the success of conservation measures and predict future change. Its findings are published in the open-access journal Biodiversity Data Journal, contributing an additional 35,000 observations to the 200,000 observations collected by local recorders since the turn of the millennium .

Many people remark on the changes that are occurring in the countryside, the disappearance of some species and the spread of others. Yet, these anecdotes cannot substitute for hard facts. There are also many suggested causes for all these changes such as warmer climate, different agricultural practices, eutrophication, or alien species. Botanical observations tend to be biased. For example, common species are often ignored in the interest of exceptional ones. Therefore, what was needed was a dedicated survey with a clear and repeatable methodology.

Common plant species are the mainstay of habitats, they create our woodlands, hedgerows and meadows. They also provide the food for herbivores and pollinators and create homes for birds and mammals. Changes in the abundance of rare species have little impact on other species, but change in the abundance of common species can have cascading effects on whole ecosystems of which we are a part.

For these reasons volunteer botanists in the north-east of England conducted a four-year survey to benchmark the abundance of common plants. Led by the Botanical Societies vice county recorders, John Durkin Ecology, Botanical Society of Britain and Ireland, and Botanic Garden Meise, the volunteers surveyed the plants in a randomly selected sample of 1km2 grid squares in the vice counties of Durham and South Northumberland.

They created a solid foundation that can be used to qualify the abundance of common species and compare against previous and future studies. The project was conducted over four years and required volunteers to go to various places. Some surveyed post-industrial brown-field sites, while others walked for miles across bleak moorland to reach sites high in the hills. Although these moors are arguably wilder and natural, the industrial wastelands turn out to be far more biodiverse.

Botanical surveying continues in the region despite the end of the project. Volunteers continue to monitor rare plants in the region and are currently working towards the next atlas of Britain and Ireland, coordinated by the Botanical Society of Britain and Ireland.

"Good biological conservation in the 21st century will have as much to do with sensitive adaption to change as it is about preserving what we have," point out the authors. "Human memory is short and fickle and it is only with benchmark surveys, such as this that we can hope to understand and manage that change."


Story Source:

Materials provided by Pensoft Publishers. The original story is licensed under a Creative Commons License. Note: Content may be edited for style and length.


Journal Reference:

  1. Quentin Groom, John Durkin, John O'Reilly, Andy Mclay, A Richards, Janet Angel, Angela Horsley, Megs Rogers, Gordon Young. A benchmark survey of the common plants of South Northumberland and Durham, United Kingdom. Biodiversity Data Journal, 2015; 3: e7318 DOI: 10.3897/BDJ.3.e7318

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Pensoft Publishers. "A botanical survey to help understand change in our wild flora." ScienceDaily. ScienceDaily, 4 January 2016. <www.sciencedaily.com/releases/2016/01/160104130426.htm>.
Pensoft Publishers. (2016, January 4). A botanical survey to help understand change in our wild flora. ScienceDaily. Retrieved March 28, 2024 from www.sciencedaily.com/releases/2016/01/160104130426.htm
Pensoft Publishers. "A botanical survey to help understand change in our wild flora." ScienceDaily. www.sciencedaily.com/releases/2016/01/160104130426.htm (accessed March 28, 2024).

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