Main

Fields of interest:

• Ecological modeling
• Population Viability Analysis
• Metapopulation dynamics

Recent publications:

K.W. Franz, J. Romanowski, D. Saavedra:
Effects of prospective landscape changes on species viability in Segre River valley, NE Spain,
Landscape and Urban Planning, Vol. 100, (2011), pp.242-250.

E. Kmetova, K. Franz, D. Ragyov, I. Klisurov, I. Ivanov:
Assessment of the Feasibility of Saker Falcon Captive Breeding and Release Reintroduction Programme in Bulgaria,
In: Proceedings of the international conference “Conservation of the Saker Falcon (Falco cherrug) in Europe - Sharing Results of the LIFE06 NAT/H/00096 Project (Conservation of Falco cherrug in the Carpathian Basin)”, 16th -18th September 2010, 
Bükk National Park Directorate, Eger, Hungary, (2011)

D. Ragyow, A. Dixon, K. Kowalczyk:
Reintroduction of the saker falcon to Bulgaria, South-East Europe, pp: 143-146, 
In: Soorae, P. S. (ed.) GLOBAL RE-INTRODUCTION PERSPECTIVES: Additional case-studies from around the globe. IUCN/SSC Re-introduction Specialist Group,
Abu Dhabi, UAE, (2010), xii + 352 pp.

D. Ragyow, E. Kmetova, A. Dixon, K. Franz:
Saker falcon (Falco cherrug) reintroduction in Bulgaria,
Feasibility study. Sofia, (2008)

J. Romanowski, K. Kowalczyk, K. Rau:
Population viability modeling of potential threats to the Beaver in the Vistula River Valley, Poland,
Ann. Zool. Fennici, Vol. 45, (2008), (in press)

K. Kowalczyk, J. Romanowski, I. Bowuwma:
Evaluation of ecological consequences of Vistula Valley development in Nature 2000 areas, LARCH use,
Przegląd Naukowy Inżynieria i Kształtowanie Środowiska, Vol. 1 (33), (2006), (in Polish)

J. Matuszkiewicz, J. Romanowski, K. Kowalska, K. Kowalczyk,
Description of the Vistula Valley,
In: Sluis van der T.(ed.),
Evaluation of ecological consequences of development scenarios for the Vistula River. Vistula Econet Development and Implementation VEDI,
Warsaw/Wageningen/Utrecht (2005)

J. Romanowski, K. Kowalczyk,
Results of the scenario analysis,
In: Sluis van der T.(ed.),
Evaluation of ecological consequences of development scenarios for the Vistula River. Vistula Econet Development and Implementation VEDI,
Warsaw/Wageningen/Utrecht (2005)

J. Matuszkiewicz, J. Romanowski, K. Kowalska, K. Kowalczyk,
Historical analysis,
In: Sluis van der T.(ed.),
Evaluation of ecological consequences of development scenarios for the Vistula River. Vistula Econet Development and Implementation VEDI,
Warsaw/Wageningen/Utrecht (2005)