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Luca Marazzi

Research Manager

Biography

Luca Marazzi - Research Manager on Plastic Pollution at Earthwatch.

Luca received an MSci degree in Environmental Sciences from the University of Milano Bicocca (2003) and a Ph.D. in Freshwater Ecology from University College London (2014), with theses on Passerine bird migration routes in northern Italy and algal diversity and species distribution in the Okavango Delta (Botswana), respectively.

2015 - 2018 Luca worked as Postdoctoral Associate at Florida International University investigating how benthic algae indicate and respond to hydrological, nutrient, and other dynamics in subtropical wetlands, especially the Everglades.

Luca’s previous roles include: 

  • Researcher focusing on air quality and climate change at two foundations in Milan (Italy)
  • Senior Academic Consultant for Geography at an international e-learning company
  • Outreach Executive and freelance writer at Responding to Climate Change and Climate Change TV

Luca’s role at Earthwatch is Research Manager on Plastic Pollution. He is contributing to the Plastic Rivers SC Johnson citizen science project in Surrey, developing methods to monitor plastic pollution in rivers and to estimate people’s plastic use, and writing a paper that identified the best actions to reduce plastic pollution. Luca is inspired by the opportunity to apply his science, communication, and networking skills to empower people to study and reduce plastic pollution in rivers.

 

Activites

  • 2017-present: Member of the Society of Wetland Scientists. Luca finalises the Changshu Declaration on Wetlands at the 10th INTECOL Wetlands conference, Changshu (China).

  • 2016-present: Creator and editor of the “Diatom of the Month” blog series.

  • 2015-2016: Climate Reality Leader course led by Al Gore in Miami.

Research interests

  • Algal ecology
  • Wetland ecology
  • Ecosystem Conservation and Restoration
  • Biodiversity and Ecosystem Services
  • Climate Change
  • Air Quality
  • Plastic Pollution
  • Sustainable Behaviours

Projects

Plastic Rivers SC Johnson (Surrey)

  • Environmental Monitoring: Luca is co-developing a citizen science method to monitor plastic pollution on riverbanks and from bridges to quantify this problem in UK rivers.
  • Plastic Use Survey: Luca is co-developing a tool to estimate people’s plastic use on-the-go (e.g. commuting), understand what stops people from taking our recommended actions to reduce plastic pollution, and to inform consumer-based and policy solutions. 

 

Papers on actions to reduce plastic waste

Building on findings from our Plastic Rivers report, Luca is co-writing a scientific paper to outline the best actions that citizens and policy makers can take to reduce plastic pollution in rivers.

 

Publications

 

Why Do We Need to Document and Conserve Foundation Species in Freshwater Wetlands? Water 11: 265

Marazzi L., Gaiser E.E., Eppinga M.B., Sah J.P., Zhai L., Castañeda-Moya E., Angelini C. 2019

Long-term changes in spatially structured benthic diatom assemblages in a major subtropical wetland under restoration. Inland Waters 8: 434-448

Marazzi L., Gaiser E.E. 2018

Balancing wetland restoration benefits to people and nature. Solutions 9(3)

Marazzi L., Finlayson M.C., Kominoski J.S., Julian P., and Gaiser E.E. 2018

Short-Term Effects of Drying-Rewetting and Long-Term Effects of Nutrient Loading on Periphyton N: P Stoichiometry. Water 10: 105

Sola A.D., Marazzi L., Flores M.M., Kominoski J.S. Gaiser E.E. 2018

Phosphorus scarcity and desiccation stress increase the occurrence of dominant taxa in wetland benthic primary producer communities. Aquatic Ecology, 51(4), pp.571-589

Marazzi, L., Gaiser, E.E. and Tobias, F.A.C., 2017

Algal richness and life‐history strategies are influenced by hydrology and phosphorus in two major subtropical wetlands. Freshwater Biology, 62(2), pp.274-290

Marazzi, L., Gaiser, E.E., Jones, V.J., Tobias, F.A. and Mackay, A.W., 2017

Okavango Delta – Biodiversity of Microalgae, precious invisible plants. – In: Oldeland, J., Erb, C., Finckh, M., Jürgens, N. [Eds.]: Environmental Assessments in the Okavango Region. – Biodiversity & Ecology 5: 161-163

Marazzi L. 2013

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