Ferenc JORDÁN, PhD

I am a researcher at The Microsoft Research - University of Trento, Centre for Computational and Systems Biology
Piazza Manci 17, 38123, Trento (Povo), Italy; e-mail: jordan.ferenc@gmail.com

Member of the Animal Ecology Research Group of the Hungarian Academy of Sciences.

External affiliate to CEU Center for Network Science.

My Erdős number is 4 and one of the shortest paths is: Me - Cavaliere - Paun - Marcus - Erdős,
...just like my Attenborough number: Me - Pál - Hurst - Dawkins - Attenborough.

Major Publications:

* Jordán, F. and Molnár, I. 1999, Evolutionary Ecology Research, 1:591-609,
Reliable flows and preferred patterns in food webs.

* Jordán, F., Takács-Sánta, A. and Molnár, I. 1999, Oikos, 86:453-462,
A reliability theoretical quest for keystones.

* Jordán, F. 2000, Ecological Modelling, 128:211-220,
A reliability-theory approach to corridor design.

* Jordán, F. 2000, Community Ecology, 1:139-146,
Is the role of trophic control larger in a stressed ecosystem?

* Jordán, F. 2001, Journal of Marine Systems, 27:289-300,
Seasonal changes in the positional importance of components in the trophic flow network of the Chesapeake Bay.

* Szathmáry, E., Jordán, F. and Pál, C. 2001, Science (Perspective), 292:1315-1316,
Can genes explain biological complexity?

* Jordán, F. 2001,
Ecosystem flow networks and community control. In: Villacampa, Y., Brebbia, C.A. and Uso, J.-L. (eds.),
Ecosystems and Sustainable Development III. Advances in Ecological Sciences, WIT Press, Southampton, pp.771-780.

* Jordán, F. 2001, Community Ecology, 2:17-20,
Strong threads and weak chains? - a graph theoretical estimation of the power of indirect effects.

* Jordán, F. 2001, Community Ecology, 2:133-135,
Adding function to structure - comments on Palmarola landscape connectivity.

* Jordán, F. 2001, Community Ecology, 2:181-185,
Trophic fields.

* Jordán, F., Scheuring, I., and Vida, G. 2002, Journal of Theoretical Biology, 215:441-448,
Species positions and extinction dynamics in simple food webs.
Simulation data and their explanation.

* Jordán, F. and Scheuring, I. 2002, Oikos, 99:607-612,
Searching for keystones in ecological networks.

* Jordán, F., Scheuring, I., and Molnár, I. 2003, Ecological Modelling, 161:117-124,
Persistence and flow reliability in simple food webs.

* Jordán, F., Báldi, A., Orci, K.M., Rácz, I., and Varga, Z. 2003, Landscape Ecology, 18:83-92,
Characterizing the importance of habitat patches and corridors in the maintenance of landscape
connectivity of a Pholidoptera transsylvanica (Orthoptera) metapopulation

* Jordán, F., Liu, W.-C., and van Veen, F. 2003, Community Ecology, 4:79-88,
Quantifying the importance of species and their interactions in a host-parasitoid community.

* Jordán, F. 2003.,
Quantifying landscape connectivity: key patches and key corridors. In: Tiezzi, E., Brebbia, C.A. and Uso, J.-L. (eds.),
Ecosystems and Sustainable Development IV. Advances in Ecological Sciences, WIT Press, Southampton, pp.883-892.

* Jordán, F. 2003, Ecological Indicators, 3:223-225,
On the functional trophic height of whiting.

* Jordán, F. 2003, Applied Ecology and Environmental Research, 1:1-18,
Comparability: the key to the applicability of food web research.

* Jordán, F. and Scheuring, I. 2004, Physics of Life Reviews, 1:139-172,
Network ecology: topological constraints on ecosystems dynamics.

* Jordán, F. 2005.,
Topological key players in communities: the network perspective. In: Tiezzi, E., Brebbia, C.A., Jörgensen, S. and Almorza Gomar, D. (eds.)
Ecosystems and Sustainable Development V. Advances in Ecological Sciences, WIT Press, Southampton, pp.87-96.

* Jávor, B., Jordán, F. and Török, J. 2005, Community Ecology, 6:13-22,
A comparative sink web analysis of two birds in two habitats: trophic structure, functionality, aggregation and system-level indication.

* Jordán, F., Liu, W.-C. and Wyatt, T. 2005, Journal of Marine Systems, 57:250-263,
Topological constraints on the dynamics of wasp-waist ecosystems.
Electronic Appendix.

* Jordán, F., Liu, W.-C. and Davis, A.J. 2006, Oikos, 112:535-546,
Topological keystone species: measures of positional importance in food webs.

* Jordán, F., Scheuring, I., Vasas, V. and Podani, J. 2006, Community Ecology, 7:81-90,
Architectural classes of aquatic food webs based on link distribution.

* Vasas, V. and Jordán, F. 2006, Ecological Modelling, 196:365-378,
Topological keystone species in ecological interaction networks: considering link quality and non-trophic effects.

* Jordán, F. and Wyatt, T. 2006, African Journal of Marine Science, 28:371-374,
A graph theory examination of the global spreading hypothesis.

* Field, B., Jordán, F. and Osbourne, A. 2006, New Phytologist, 172:193-207,
First encounters. Deployment of defense-related natural products by plants.

* Liu, W-C., Lin, W.H., Davis, A. J., Jordán, F., Yang, H.T. and Hwang, M.J. 2007, BMC Bioinformatics,8:121,
A network perspective on the topological importance of enzymes and their phylogenetic conservation.

* Vasas, V., Lancelot, C., Rousseau, V. and Jordán, F. 2007, Marine Ecology Progress Series, 336:1-14,
Eutrophication and overfishing in temperate nearshore pelagic food webs: a network perspective.

* Jordán, F., Benedek, Zs. and Podani, J. 2007, Ecological Modelling, 205:270-275,
Quantifying positional importance in food webs: a comparison of centrality indices.

* Benedek, Zs., Jordán, F. and Báldi, A. 2007, Community Ecology, 8:1-7,
Topological keystone species complexes in ecological interaction networks.

* Scotti, M., Podani, J. and Jordán, F. 2007, Ecological Complexity, 4:148-159,
Weighting, scale dependence and indirect effects in ecological networks: a comparative study.

* Jordán, F., Magura, T., Tóthmérész, B., Vasas, V. and Ködöböcz, V. 2007, Landscape Ecology, 22:1527-1539,
Carabids (Coleoptera: Carabidae) in a forest patchwork: a connectivity analysis of the Bereg Plain landscape graph.

* Jordán, F. 2008, International Journal of Critical Infrastructures, 4:206-214,
Predicting target selection by terrorists: A network analysis of the 2005 London underground attacks.

* Wey, T., Blumstein, D., Shen, W. and Jordán, F. 2008, Animal Behaviour, 75:333-344,
Social network analysis of animal behaviour: a promising tool for the study of sociality.

* Jordán, F. 2008, Network analysis: linking parts to the whole in nature and society.
In: Sagarin, R. and Taylor, T. (Eds.): Darwinian Security. Perspectives from Ecology and Evolution,
University of California Press, Berkeley and Los Angeles, pp.240-260.

* Jordán, F., Okey, T.A., Bauer, B. and Libralato, S. 2008, Ecological Modelling, 216:75-80,
Identifying important species: a comparison of structural and functional indices.

* Kun, Á., Pongor, S., Jordán, F. and Szathmáry, E. 2008, Catalytic propensity of amino acids and the origins of the genetic code and proteins.
In: Barbieri, M. (Ed.), The Codes of Life, Springer Verlag, Berlin, pp. 39-58.

* Chen, H.W., Liu, W.C., Davis, A.J., Jordán, F., Hwang, M.J. and Shao, K.T. 2008, Oikos, 117:1847-1855,
Network position of hosts in food webs and their parasite diversity.

* Bhadra, A., Jordán, F., Sumana, A., Deshpande, S. and Gadagkar, R. 2009, Ecological Complexity, 6:48-55,
A comparative social network analysis of wasp colonies and classrooms: linking network structure to functioning.

* Jordán, F. 2009, Current Science (India), 97:1579-1585,
Children in time: community organisation in social and ecological systems.

* Jordán, F., Liu, W.C. and Mike, A. 2009, Ecological Modelling, 220:2899-2907,
Trophic field overlap: a new approach to quantify keystone species.

* Jordán, F. 2009, Philosophical Transactions of the Royal Society, London, series B, 364:1733-1741,
Keystone species in food webs.

* Vasas, V., Magura, T., Jordán, F. and Tóthmérész, B. 2009, Landscape Ecology, 24:581-586,
Graph theory in action: evaluating planned highway tracks based on connectivity measures of a fragmented forest landscape.

* Jordán, F. and Osváth, Gy. 2009, Ecological Modelling, 220:3141-3146,
The sensitivity of food web topology to temporal data aggregation.

* Móréh A., Jordán, F., Szilágyi, A. and Scheuring, I. 2009, Community Ecology, 10:236-243,
Overfishing and regime shifts in minimal food web models.

* Valentini, R. and Jordán, F. 2010, Environmental Modelling and Software, 25:886-888,
CoSBiLab Graph: the network analysis module of CoSBiLab.

* Scotti, M. and Jordán, F. 2010, Community Ecology, 11:59-67,
Relationships between centrality indices and trophic positions in food webs.

* Orlóci, L., Podani, J. and Jordán, F. 2010, Community Ecology, 11:1-4,
Community Ecology: ten years are gone. Editorial.

* Mazza, T., Romanel, A. and Jordán, F. 2010, Briefings in Bioinformatics, 3:364-374,
Estimating the divisibility of complex biological networks by sparseness indices.

* Nguyen, T.P. and Jordán, F. 2010, BMC Systems Biology,, 4:103,
A quantitative approach to study indirect effects among disease proteins in the human protein interaction network.

* Bauer, B., Jordán, F. and Podani, J. 2010, Ecological Complexity, 7:471-477,
Node centrality indices in food webs: rank orders versus distributions.

* Wei-chung Liu, Hsuan-Wien Chen, Ferenc Jordán, Wen-Hsieh Lin and Wai-Jen Liu. 2010, Journal of Theoretical Biology, 267:355-362,
Quantifying the interaction structure and the topological importance of species in food webs: a signed digraph approach.

* Jordán, F., Baranyi, G. and Ciocchetta, F. 2010, A hierarchy of networks spanning from individual organisms to ecological landscapes.
In: Estrada, E. et al. (eds.), Network Science: Complexity in Nature and Technology, pp. 165-184, Springer Verlag, Berlin.

* Benedek, Zs., Nagy, A., Rácz, I.A., Jordán, F., and Varga, Z. 2011, Ecological Indicators, 11:930-933,
Landscape metrics as indicators: quantifying habitat network changes of a bush-cricket Pholidoptera transsylvanica in Hungary.

* Kahramanogullari, O., Lynch, J. and Jordán, F. 2011, Environmental Modelling and Software, 26:685-687,
CoSBi LIME: a language interface for stochastic dynamical modelling in ecology.

* Jordán, F., Maintaining connectivity: topological considerations on landscape digraphs.
In: Liu, J. et al. (Eds.): Sources, Sinks, and Sustainability across Landscapes, Cambridge University Press, Cambridge, in press.

* Livi, C.M., Jordán, F., Lecca, P. and Okey, T.A., Ecological Modelling, in press.
Identifying key species in ecosystems with stochastic sensitivity analysis.

* Baranyi, G., Saura, S., Podani, J. and Jordán, F., Ecological Indicators, in press.
Contribution of habitat patches to network connectivity: redundancy and uniqueness of topological indices.

Some useful links:
London Tube Map archive
National Center for Ecological Analysis and Synthesis, Santa Barbara, CA
Liverpool FC
Magyar Nemzet
A Grafitember viccei
Hungarian Biological Society
Harmful algae
Google maps
My old homepage (but come back)

A book edited by me (in Hungarian):


With local ladies, Goa, India

Visiting the nicest blood bag factory of the world; Tiruvananthapuram, India

Penguin watching, St Croix, South Africa

In jail in San Jose, CA, USA

Risk in Addo NP, South Africa

My family


More battles (best of)

Last modified: 15 February 2011