Este es el sitio del grupo de Ecología y Sistemas Complejos de la UNGS

Red Trófica de Potter Cove península Antártica simplificada

Leonardo A. Saravia


Universidad Nacional de General Sarmiento


I am a Professor/Researcher on Biology and theoretical computational ecology at the Dept. of Sciences University of General Sarmiento. My research interests include ecological networks, dynamic models of populations and communities, biodiversity, critical transitions, global forest dynamics, early warnings, deforestations.


  • Ecología teórica
  • Redes (tróficas y no tróficas)
  • Global forest Fragmentation
  • R Statistical languaje
  • Netlogo/GoogleEarthEngine/C++


  • Licenciatura en Biología, 1995

    Universidad de Buenos Aires

  • PhD in Biology, 2010

    Universidad de Buenos Aires




Universidad Nacional de General Sarmiento

2010-03-01 – Present Buenos Aires, Argentina

Responsibilities include:

  • Dictar clases de las materias del Área de Biología y Bioinformática
  • Llevar adelante un linea de investigación del Instituto de Ciencias.

Profesor Adjunto

Universidad Maimonides

2002-03-01 – 2002-11-30 Ciudad de Buenos Aires, Argentina

Responsibilities include:

  • Dictar clases de la materia Bioinformática para Biólogos

Ayudante de 1ra. Simple

Universidad Nacional de Luján

1995-03-01 – 1997-11-30 Luján, Buenos Aires, Argentina

Responsibilities include:

  • Dictar clases de la materia Ecologia I y II para Biólogos

Recent Posts

Stochastic Network Interaction Model (SNIM) Tutorial

This is a beautifully simple ecological network model that can simulate predator-prey and competitive multispecies dynamics. This is …

Stochastic Network Interaction Model

SNIM This is a C++11 implementation of a stochastic multispecies model. The model has multiple applications to investigate the …

Percolation and scaling in ecology

Scaling is a central theme in ecology, well this is my opinion, but there are others that think like me, for example Brian Enquist, …

Biodiversity is not always top-down regulated

One can think of different ways that biodiversity can be regulated in the framework of food-webs or more generally networks of …

Metacommunities or self organization principles

I am thinking of writing in Spanish because Spanish is my mother language, but there seem to be not many people writing about …



Productores primarios bentónicos en el ecosistema costero antártico - consecuencias del cambio climático (PICT)

El objetivo general del proyecto es estudiar los efectos del cambio climático sobre algas bentónicas Antárticas.

Redes de interacciones Ecologicas, la influencia del cambio global y la degradación del hábitat

La explotación y la degradación de los hábitats naturales junto con el cambio climático producen la pérdida de especies y de servicios …


Quickly discover relevant content by filtering publications.

Production and Biomass of Seaweeds in Newly Ice-Free Areas: Implications for Coastal Processes in a Changing Antarctic Environment

The Antarctic rocky coasts are mainly colonized by extensive macroalgal communities, which play key roles as food resource, habitat and …

Ecological Network Assembly: How the Regional Metaweb Influences Local Food Webs

Local food webs can be studied as the realisation of a sequence of colonising and extinction events, where a regional pool of species — …

Biodiversity Collapse and Early Warning Indicators in a Spatial Phase Transition between Neutral and Niche Communities

The dynamics of ecological communities have been described by neutral and niche theories that are now increasingly integrated into …

The Food Web of Potter Cove (Antarctica): Complexity, Structure and Function

Knowledge of the food web structure and complexity are central to better understand ecosystem functioning. A food-web approach includes …

Architecture of Marine Food Webs: To Be or Not Be a ‘Small-World’

The search for general properties in network structure has been a central issue for food web studies in recent years. One such property …




Leonardo A. Saravia


Ecología teórica, Redes (tróficas y no tróficas), Global forest Fragmentation, R Statistical languaje, Netlogo/GoogleEarthEngine/C++



Iara I. Rodriguez

Becaria de Doctorado (CONICET)

Ecología, Redes tróficas y no tróficas, Caleta Potter, Península Antártica, Canal de Beagle, Ushuaia Argentina, R Statistical languaje


Melina Crettaz Minaglia

Becaria de Post-Doc (CONICET)

Modelling, Cianobacteria, Experimental ecology, Ecological communities, R Statistical languaje


Nicolás Velazco

Becario de Doctorado (CONICET)

Ecología del suelo, Redes tróficas y no tróficas, Collembola, Ácaros, Bioindicadores edáficos