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Related Experiment Video

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Watershed Planning within a Quantitative Scenario Analysis Framework
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Spatial patterns and environmental constraints on ecosystem services at a catchment scale.

Bridget A Emmett1, David Cooper1, Simon Smart2

  • 1Centre for Ecology and Hydrology, Environment Centre Wales, Deiniol Rd, Bangor LL57 2UW, UK.

The Science of the Total Environment
|May 9, 2016
PubMed
Summary

Understanding environmental factors is key for ecosystem services. Soil pH emerged as a practical predictor for multiple services like agriculture and biodiversity, crucial for land-water management.

Keywords:
BiodiversityCarbonMacronutrientsProductivitySoil pHWater quality

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Area of Science:

  • Environmental science
  • Ecosystem services assessment
  • Landscape ecology

Background:

  • Effective land-water management requires understanding environmental controls on ecosystem services.
  • Assessing multiple ecosystem services simultaneously is complex due to covariation.

Purpose of the Study:

  • To explore metrics and spatial patterns of ecosystem service supply in the Conwy catchment.
  • To identify key environmental drivers of ecosystem service provision.
  • To evaluate soil pH as a potential field metric for ecosystem service potential.

Main Methods:

  • Utilized ecosystem models (LUCI, JULES), national field survey data, earth observation, and plant trait databases.
  • Generated high-resolution maps of species richness and primary production.
  • Analyzed data at 1x1km grid and subcatchment scales.

Main Results:

  • A single gradient characterized ecosystem service supply, with agricultural production and carbon storage at opposing ends.
  • Species diversity positively correlated with production in the low-productivity Conwy catchment.
  • Water quality significantly decreased with increased agricultural production, unlike national trends.
  • Soil carbon, nitrogen, and pH were stronger predictors of ecosystem service supply than rainfall and altitude.

Conclusions:

  • Soil pH is a promising, practical metric for assessing ecosystem service supply potential, suitable for crowd-sourcing.
  • Considering multiple ecosystem services together and using diverse metrics enhances data robustness for policy and management decisions.