State Water Resources Research Institute Program

Project Id: 2010KY141B
Title: Bush honeysuckle induced aquatic hypoxia
Project Type: Research
Start Date: 3/01/2010
End Date: 2/28/2011
Congressional District: KY Fourth
Focus Categories: Ecology, Invasive Species, Water Quality
Keywords: dissolved carbon, dissolved oxygen, aquatic ecosystems
Principal Investigator: Durtsche, Richard
Federal Funds: $ 5,000
Non-Federal Matching Funds: $ 17,754
Abstract: Our proposal is to study the teas of L. maackii (Bush or Amur honeysuckle) to identify the component responsible for reducing dissolved oxygen in water. In addition to drastically reducing dissolved oxygen levels, leaves from this invasive plant release almost twice the amount of tannic acids and phenolics into the water column compared with native riparian tree leaves. With aquatic decomposition rates as much as three to five times faster than native riparian tree leaves, the leaves from this exotic shrub have the potential to drastically change nutrient cycles in Kentucky's aquatic ecosystems. Chemical and energetic content of leaf matter for both L. maackii and native plants will be determined and compared statistically across periods of decomposition.

Progress/Completion Report, 2010, PDF

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