Easygrants ID: 39525 NFWF Project ID: 1401.13.039525 LI Sound
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Easygrants ID: 39525 National Fish and Wildlife Foundation NFWF Project ID: 1401.13.039525 LI Sound Futures Fund 2013 - Clean Water, Habitat Restoration, and Species Conservation - Submit Final Programatic Report (New Metrics) Grantee Organization: University of Connecticut Project Title: Using Seaweed (Kelp) to Bioextract Pollution (CT) Project Period 10/01/2013 - 9/30/2015 Project Location Thimble Islands, Branford, CT. Description (from Proposal) Project Determine pollutant removal capacity of seaweed (kelp) using an expandable off-shore installation, and Summary (from provide information for potential kelp farmers and coastal managers about bioextraction technology. Proposal) Summary of The project goals were to demonstrate economic opportunities and environmental impacts of scalable Accomplishments seaweed farm systems in LIS for nutrient bioextraction and water quality improvement. To achieve these goals, we developed a scalable kelp farm design and outplanted the sugar kelp on 7 × 50 m longlines at the Thimble Island Oyster Co. farm (Branford, CT). The sugar kelp was cultured at two different spacing conditions between longlines, 6 vs. 13 m. While the spacing between longlines did not affect the tissue nitrogen and carbon, productivity, nitrogen and carbon removal appeared to be higher at the internal lines than that from the external lines. Inorganic nitrogen and phosphorus concentrations at different locations of the farm system (internal and external) showed no difference. These results suggest that the external lines received higher physical stresses than the internal lines, causing a reduction of primary productivity. However, there is a limitation of the datasets due to the severe loss of biomass caused by historically severe weather during the project period. We have worked on a re-designed scalable kelp farm that will take in consideration of severe winter weather conditions, currents and winds in LIS that will enable workboats to safely operate during sampling and harvest. We also have developed a teaching curriculum on nutrient bioextraction. It will be available to other schools, educational and related programs around LIS and the US. We have made 32 presentations including 20 invited presentations in relevant and appropriate events during the project period. Our work has received a great deal of media attention including the national wide media, Washington Post, CNN, The New Yorker, etc. Lessons Learned 1. In a scalable sugar kelp farm, the productivity, tissue nitrogen and carbon contents were similar through the farm system regardless spacing between longlines. 2. Inorganic nitrogen and phosphorus concentrations at different locations of the farm system (internal and external) showed no difference. 3. Productivity, nitrogen and carbon removal appeared to be higher at the internal lines than that from the external lines because the external lines received higher physical stresses than the internal lines, caused the reduction of productivity. 4. Historically severe winter weather created unusually cold sea temperatures that resulted in sea ice covering all kelp culture locations. Kelp longlines were even moved over 1.0 km away from the farm by the ice, resulting in a complete loss of biomass. The scalable kelp farm (one hectare) design developed in this project is believed to help growers to be prepared for similar weather events in the future, especially in Long Island Sound because, this new design considers severe winter weather conditions, currents and winds in LIS, and the necessity for safe boat operations during sampling and harvest. 5. The estimates of nutrients extracted by the sugar kelp farm in a scalable 1 ha farm are 38 (N), 7.2 (P) and 870 kg ha-1 (C), respectively. However, these values are underestimated due to the biomass reduction by the severe winter weather conditions (ice shearing) during the project period. The values will be higher if the farm is prepared for the severe winter conditions using the farm re-design developed in this project. 6. The kelp aquaculture may also be a useful tool for phytoremediation. Activities and Outcomes Funding Strategy Capacity, Outreach, Incentives Activity / Outcome LISFF - Outreach/ Education/ Technical Assistance - # of schools participating Required Recommended Description Enter the number of elementary, middle, and high schools participating in the project # of schools participating - Current 2.00 # of schools participating - Grant Completion 2.00 Notes UConn and BRASTEC Funding Strategy Capacity, Outreach, Incentives Activity / Outcome LISFF - Volunteer participation - # volunteers participating Required Recommended Description Enter the number of volunteers participating in projects # volunteers participating - Current 2.00 # volunteers participating - Grant Completion 9.00 Notes UConn Funding Strategy Habitat Management Activity / Outcome LISFF - BMP implementation for nutrient or sediment reduction - Lbs nutrients avoided (annually) Required Recommended Description Enter the amount of nutrients prevented from entering system annually Lbs nutrients avoided (annual) - Current 0.00 Lbs nutrients avoided (annual) - Grant Completion 116.00 Notes Nutrient reduction per site (quarter ha kelp farm with six 50 m longlines) Nitrogen: 4 lb Phosphorus: 1 lb Carbon: 111 lb Show Map Below The following pages contain the uploaded documents, in the order shown below, as provided by the grantee: Upload Type File Name Uploaded By Uploaded Date Final Report 1 UCONN Final Report (11-24- Yarish, Charles 11/29/2015 Narrative - 2015).pdf Standard Photos - Jpeg Slide1.jpg Yarish, Charles 11/29/2015 Photos - Jpeg Slide2.jpg Yarish, Charles 11/29/2015 Photos - Jpeg Slide3.jpg Yarish, Charles 11/29/2015 Photos - Jpeg Slide4.jpg Yarish, Charles 11/29/2015 Photos - Jpeg Slide5.jpg Yarish, Charles 11/29/2015 Photos - Jpeg Slide6.jpg Yarish, Charles 11/29/2015 Photos - Jpeg Slide7.jpg Yarish, Charles 11/29/2015 Other Documents 2 Appendix 1 Kelp Farm Design for Yarish, Charles 11/29/2015 Long Island Sound.pdf Other Documents 3 Appendix 2 seaweed curriculum (11- Yarish, Charles 11/29/2015 24-2015).pdf Other Documents 4 Appendix 3 Presentations (11-24- Yarish, Charles 11/29/2015 2015).pdf Other Documents 5 Appendix 4 Media Appearance.pdf Yarish, Charles 11/29/2015 Other Documents 6 Wrack Line (Bioextraction).pdf Yarish, Charles 11/29/2015 The following uploads do not have the same headers and footers as the previous sections of this document in order to preserve the integrity of the actual files uploaded. Final Programmatic Report Narrative Instructions: Save this document on your computer and complete the narrative in the format provided. The final narrative should not exceed ten (10) pages; do not delete the text provided below. Once complete, upload this document into the on-line final programmatic report task as instructed. 1. Summary of Accomplishments In four to five sentences, provide a brief summary of the project’s key accomplishments and outcomes that were observed or measured. The project goals were to demonstrate economic opportunities and environmental impacts of scalable seaweed farm systems in LIS for nutrient bioextraction and water quality improvement. To achieve these goals, we developed a scalable kelp farm design and outplanted the sugar kelp on 7 50 m longlines at the Thimble Island Oyster Co. farm (Branford, CT). The sugar kelp was cultured at two different spacing conditions between longlines, 6 vs. 13 m. While the spacing between longlines did not affect the tissue nitrogen and carbon, productivity, nitrogen and carbon removal appeared to be higher at the internal lines than that from the external lines. Inorganic nitrogen and phosphorus concentrations at different locations of the farm system (internal and external) showed no difference. These results suggest that the external lines received higher physical stresses than the internal lines, causing a reduction of primary productivity. However, there is a limitation of the datasets due to the severe loss of biomass caused by historically severe weather during the project period. We have worked on a re-designed scalable kelp farm that will take in consideration of severe winter weather conditions, currents and winds in LIS that will enable workboats to safely operate during sampling and harvest. We also have developed a teaching curriculum on nutrient bioextraction. It will be available to other schools, educational and related programs around LIS and the US. We have made 32 presentations including 20 invited presentations in relevant and appropriate events during the project period. Our work has received a great deal of media attention including the national wide media, Washington Post, CNN, The New Yorker, etc. 2. Project Activities & Outcomes Activities Describe and quantify (using the approved metrics referenced in your grant agreement) the primary activities conducted during this grant. Briefly explain discrepancies between the activities conducted during the grant and the activities agreed upon in your grant agreement. Outcomes Describe and quantify progress towards achieving the project outcomes described in your grant agreement. (Quantify using the approved metrics referenced in your grant agreement or by using more relevant metrics not included in the application.) Briefly explain discrepancies between what actually happened compared to what was anticipated to happen. Provide any further information (such as unexpected outcomes) important for understanding project activities and outcome