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1. High-marsh invertebrate densities for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.

   https://doi.org/10.6073/pasta/12675e8fe46a2463eb20da3a3118b172  

   Johnson, David; Deegan, Linda (January 2021, Environmental Data Initiative)

   Density (individuals per m2) of epibenthic invertebrate (on the surface such as snails and amphipods) for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70μM concentrations from May to September every year during the growing season. Marsh fertilization from 2004 - 2016 at Sweeney Creek and 2005, and 2009-2016 at Clubhead Creek. Nutrient enrichment ended in 2016. 

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2. Marsh plant species percent cover for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.

   https://doi.org/10.6073/pasta/859aaf8c3514bba55a7f2199a94bfad2  

   Deegan, Linda; Warren, R Scott (January 2013, Environmental Data Initiative)

   Marsh plant species percent cover for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70µM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season through 2011 and at Clubhead Creek in 2005 and from 2009 till 2011. 

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3. Meiofaunal counts, 2003-2009, from marsh cores along Rowley River tidal creeks associated with long term fertilization experiments, Rowley, MA.

   https://doi.org/10.6073/pasta/80d86ed65e8675cd2d46a16377fe4cb7  

   Johnson, David; Deegan, Linda (January 2015, Environmental Data Initiative)

   Meiofaunal counts, 2003-2009, from marsh cores along Rowley River tidal creeks associated with long term fertilization experiments, Rowley, MA. The long term fertilization experiment, TIDE project, aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70µM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season and at Clubhead Creek in 2005 and then again in 2009 . 

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4. Macroinfaunal counts, 2003-2020, from marsh cores along Rowley River tidal creeks associated with long term fertilization experiments, Rowley, MA.

   https://doi.org/10.6073/pasta/7a76dd9b744bced0d2582568ce3eded5  

   Johnson, David; Deegan, Linda (January 2021, Environmental Data Initiative)

   Macroinfaunal counts, 2003-2006, 2007, 2009, 2012--2020 from marsh cores along Rowley River tidal creeks associated with long term fertilization experiments, Rowley, MA. The long term fertilization experiment, TIDE project, aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70μM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season and at Clubhead Creek in 2005 and then from 2009 till 2016. Fertilization stopped in 2016. 

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5. Nassarius obsoletus (Ilyanassa obsoleta) density measurements for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA.

   https://doi.org/10.6073/pasta/20b20abcfa9e6cf2e9796d4c79a247ce  

   Johnson, David; Deegan, Linda (January 2021, Environmental Data Initiative)

   Nassarius obsoletus (Ilyanassa obsoletus) length and biomass measurements for Rowley River tidal creeks associated with long term fertilization experiments, Rowley and Ipswich, MA. The TIDE project aims to simulate eutrophication on a large scale by the addition of NO3- aiming to reach 70μM concentrations from May to September every year during the growing season. This fertilization of the marsh has been going on at Sweeney Creek since the 2004 growing season through 2016 and at Clubhead Creek in 2005 and from 2009 till 2016. 

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