Columba Martínez-Espinosa

Columba Martínez-Espinosa
Tour du Valat, Research Institute for the Conservation of Mediterranean Wetlands

PhD in Functional Ecology


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Biologist, with a MSc on Tropical Biodiversity and Ecosystems and PhD on fuctional ecology. I specialized in biogeochemestry of wetlands soils at global scale. I studied denitrification outgassing quantification and qualification, by modeling and wetland sampling. Currently working on nutrient fluxes modelling on medirerranean lagoons to define and propose action plans that stablish the carring capacity that allows ecosystem health and do not threaten biodiversity.
Additional affiliations
February 2014 - August 2015
Universidad Nacional Autónoma de México
  • internship
February 2013 - May 2013
The American University in Cairo
  • Internship
October 2012 - February 2013
University of Ferrara
  • international exchange
  • I followed some courses among them ecology of aquatic ecosystems and benthic fauna. genetis and urban planning I contribute to a project on the wetland area of "bosco della messola".
September 2017 - October 2021
Paul Sabatier University - Toulouse III
Field of study
  • Functional Ecology
September 2015 - July 2017
Vrije Universiteit Brussel
Field of study
  • Tropical Biodiversity and Ecosystems
August 2009 - July 2015


Publications (5)
Conference Paper
Full-text available
The Matang Mangrove Forest Reserve (MMFR) has been under silvicultural management using a 30-year rotation cycle since 1902. Whereas two artificial thinnings in 15 and 20-year-old stands yield mangrove poles, the clear-felled greenwood from 30-year-old stands is used for charcoal production. Although the reserve appears to be (economically) sustain...
Retrieval of biophysical properties of mangrove vegetation (e.g. height and above ground biomass) has typically relied upon traditional forest inventory data collection methods. Recently, the availability of Unmanned Aerial Vehicles (UAV) with different types of sensors and capabilities has proliferated, opening the possibility to expand the method...
Effective management of a socio-ecological system (SES) requires a good understanding of: (i) ecosystem functionality, (ii) interactions between social and ecological units, and (iii) stakeholder perceptions and activities. Matang Mangrove Forest Reserve (MMFR) covering 40,200 ha in Peninsular Malaysia is under silvicultural management (with a 30-y...
Research to understand the nitrogen cycle has been thriving. The production of reactive nitrogen by humans exceeds the removal capacity through denitrification of any natural ecosystem. The surplus of reactive nitrogen is also a significant pollutant that can shift biological diversity and distribution, promotes eutrophication in aquatic ecosystems...
Full-text available
The biosphere is undergoing an environmental crisis caused by our energy-intensive economic model. Understanding the regulation and exchange processes of global ecosystems is the key challenge to improve our resilience and reduce our impact on the Earth. The aim of this thesis is to assess the dynamic role of wetland ecosystems in the global nitrog...


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