5th International Conference on Cormorants

2nd Meeting of Wetlands International Cormorant Research Group

17 - 21 December 2000 - Freising, Germany

Presentations

Cormorants in the Republic of Moldova

Bejenaru Ion 1, Munteanu Andrei 2, Balan Valeriu 1
1 Division of Biodiversity Conservation and Protected Areas Management, Ministry
of Environment and Territorial Development, Republic of Moldova.
2 Zoological Institute, Academy of Science, Republic of Moldova.

SPATIAL DISTRIBUTION OF FEEDING CORMORANTS (Phalacrocorax carbo sinensis) IN THE COMACCHIO LAGOON (N ITALY)

BOLDREGHINI PAOLO, FERRO ALESSANDRA, BON MARCO, MELEGA LUCA
Ist. Zootecnica, Università di Bologna, via S. Giacomo, 9, I-40126 Bologna, boldreg@alma.unibo.it

Monitoring breeding success of Cormorants in a polluted area

Boudewijn Theo
Bureau Waardenburg bv, P.O. Box 365, 4100 AJ Culemborg, The Netherlands, t.j.boudewijn@buwa.nl

DEVELOPMENT OF THE BREEDING POPULATION OF CORMORANTS PHALACROCORAX CARBO SINENSIS IN THE CORE AREAS OF NW EUROPE

BREGNBALLE THOMAS* 1, VAN EERDEN MENNOBART R. 2,
ENGSTRÖM HENRI 3, KNIEF WILFRIED 4, KIECKBUSCH JAN J. 4,
ESKILDSEN JÖRN
1 NERI, Dept. of Coastal Zone Ecology, DK-8410 Rønde, Denmark, tb@dmu.dk,
2 Rijkswaterstaat RIZA, P.O. Box 17, NL-8200 AA Lelystad, The Netherlands,
3 Evolutionary Biology Centre/Population Biology, Uppsala University, Norbyvägen 18D, SE-752 36 Uppsala, Sweden, 4 Landesamt für Natur und Umwelt Schleswig-Holstein, Olshausenstrasse 40, D-24118 Kiel, Germany

DAILY fight for the best branch?

Buchheim Andreas
Eichenstr. 1, 45711 Datteln, Germany

Fishing behaviour of Cormorants in the Gulf of Gdansk (N Poland)

BZOMA Szymon, GAWIOR Tomasz, STEMPNIEWICZ Lech
Department of Vertebrate Ecology & Zoology, University of Gdansk, Legionów 9, 80-441 Gdansk, Poland, e-mail: bioszb@univ.gda.pl

Seasonal changes in exploiting different feeding areas by Cormorants breeding at Katy Rybackie (N Poland)

BZOMA Szymon*, GOC Michal, BRYLSKI Tomasz, STEMPNIEWICZ Lech
Department of Vertebrate Ecology & Zoology, University of Gdansk, Legionów 9, 80-441 Gdansk, Poland, e-mail: bioszb@univ.gda.pl

Monitoring of daily food intake by cormorants: comparison between young regurgitation and automatic weighing of nests

Carpentier Alexandre, Loïc Marion
Université de Rennes 1, Laboratoire d’évolution des systèmes naturels modifiés, UMR Ecobio 6553, 35042 Rennes Cedex. France,
E-Mail: alexandre.carpentier@univ-rennes1.fr, loïc.marion@univ-rennes1.fr

REDUCING THE CONFLICT BETWEEN CORMORANTS AND FISHERIES ON A PAN-EUROPEAN SCALE: REDCAFE OPENS FOR BUSINESS

CARSS DAVID N.*1, BREGNBALLE THOMAS2, KELLER THOMAS M.3,
VAN EERDEN MENNOBART R.4
1 Centre for Ecology & Hydrology Banchory, Hill of Brathens, Banchory, Aberdeenshire, Scotland, AB31 4BW, d.carss@ceh.ac.uk,
2 Dept. of Coastal Zone Ecology, National Environmental Research Institute, Kaloe, Grenaavej 12, Roende, Denmark, tb@dmu.dk,
3 TU-München, Angewandte Zoologie, Alte Akademie 16,
D-85350 Freising, Germany, t.keller@lrz.tum.de,
4 Institute for Inland Water Management & Waste Water Treatment (RIZA), Dept. of Wetland Development & Restoration, PO Box 17, Zuiderwagenplein 2, Lelystad, The Netherlands, m.veerden@riza.rws.minvenw.nl

ISSUES ON WINTERING GREAT CORMORANTS Phalacrocorax carbo IN THE RAMSAR SITE OF HONG KONG

Chan J.K., Tsim S.T., So P.M.
Agriculture, Fisheries and Conservation Department, Hong Kong Special Administrative Region, China. wetland@afcd.gov.hk

Long term effects of cormorant predation on fish communities and fishery in a freshwater lake

Engström Henri
Evolutionary Biology Centre/Population Biology, Uppsala University, Norbyvägen 18D, SE-752 36 Uppsala, SWEDEN. Email: henri.engstrom@ebc.uu.se

Development of the breeding population of cormorants in Sweden

Engström Henri
Evolutionary Biology Centre/Population Biology, Uppsala University, Norbyvägen 18D, SE-752 36 Uppsala, SWEDEN. Email: henri.engstrom@ebc.uu.se

HUMAN HARASSMENT AND CORMORANT NESTING AT FOUR COLONIES IN EASTERN LAKE ONTARIO, NEW YORK; OBSERVATIONS FROM A MANAGEMENT PROGRAM

Farquhar James F., Mazzocchi Irene M.
New York State Department of Environmental Conservation,
Watertown, NY, US. 13601

Increasing confidence iN impact estimates – The monte carlo approach

Feltham M.J.1, Davies J.M.2, Wilson B.R.3, Holden T.4
1 School of Biological and Earth Sciences, Liverpool JMU, Byrom Street, Liverpool, L3 3AF. UK. besmfelt@livjm.ac.uk,
2 School for Professional and Continuing Education, University of Birmingham, Birmingham B15 2TT. j.m.davies@bham.ac.uk,
3 Environment Agency Wales, Penyfai House, 19 Penyfai Lane, Furnace, Llanelli. SA15 4EL, UK. ben.wilson@environment-agency.gov.uk,
4 74 Max Road, Liverpool, L14 4BJ, UK

Estimating the impact of cormorants on inland fisheries - perfection or pragmatism?

Feltham M.J.1, Davies J.M.2, Wilson B.R.3, Holden T.4
1 School of Biological and Earth Sciences, Liverpool JMU, Byrom Street, Liverpool, L3 3AF. UK. besmfelt@livjm.ac.uk,
2 School for Professional and Continuing Education, University of Birmingham, Birmingham B15 2TT. j.m.davies@bham.ac.uk,
3 Environment Agency Wales, Penyfai House, 19 Penyfai Lane, Furnace, Llanelli. SA15 4EL, UK. ben.wilson@environment-agency.gov.uk,
4 74 Max Road, Liverpool, L14 4BJ, UK

MODELLING THE EFFECT OF WINTER CULLS ON CORMORANT POPULATION SIZE

FREDERIKSEN MORTEN*, LEBRETON JEAN-DOMINIQUE,
BREGNBALLE THOMAS
CEFE/CNRS, Montpellier, France and NERI, Dept. of Coastal Zone Ecology, Rønde, Denmark. E-mail: mfr@dmu.dk

HOW MANY CORMORANTS USE AN AUTUMN STAGING SITE?

FREDERIKSEN MORTEN*, BREGNBALLE THOMAS
NERI, Dept. of Coastal Zone, Ecology, Rønde, Denmark. E-mail: mfr@dmu.dk

FOOD OF great cormorants Phalacrocorax carbo (L.), WINTERING AT RESERVOIR POUTES, River ALLIER, France

GERDEAUX DANIEL*, LELIEVRE MICKAEL
Station d’Hydrobiologie Lacustre, INRA, 74203 Thonon, Cédex, France, gerdeaux@thonon.inra.fr

CHANGES IN THE NUMBER OF NESTS AND THEIR DISTRIBUTION IN THE CORMORANT Phalacrocorax carbo sinensis COLONY AT KATY RYBACKIE (N POLAND) IN THE YEARS 1995 - 2000

GOC MICHAL
Department of Vertebrate Ecology and Zoology, University of Gdañsk, Al. Legionów 9, 80-441 Gdañsk, Poland. biogoc@univ.gda.pl

DAILY, SEASONAL AND INTERSEASONAL VARIATION IN THE FORAGING FLIGHT TIMETABLE IN THE COLONY OF CORMORANTS Phalacrocorax carbo sinensis AT KATY RYBACKIE (N POLAND)

GOC MICHAL*, ILISZKO LECH, BRYLSKI TOMASZ, FILCEK JUSTYNA
Department of Vertebrate Ecology and Zoology, University of Gdansk, Al. Legionów 9, 80-441 Gdansk, Poland. biogoc@univ.gda.pl

POPULATION DIFFERENTIATION IN THE GREAT CORMORANT Phalacrocorax carbo IN EUROPE

GOOSTREY A., CARSS DAVID N., NOBLE L. R.,
PIERTNEY STUART B.
Molecular Genetics in Ecology Initiative, Dept. of Zoology, University of Aberdeen, Tillydrone Avenue, Aberdeen, AB24 2TZ, nhi680@abdn.ac.uk and Centre for Ecology & Hydrology Banchory, Hill of Brathens, Banchory, Aberdeenshire,
Scotland, AB31 4BW, d.carss@ceh.ac.uk

ENERGETIC BOTTLENECKS AND POPULATION DYNAMICS OF THE GREAT CORMORANT

GRÉMILLET DAVID*1, 2, WANLESS SARAH2, LINTON DANI2
1 Centre d'Ecologie et Physiologie Energétiques, CNRS, 23 rue Becquerel, F-67087 Strasbourg, France.
2 NERC Centre for Ecology and Hydrology, Banchory Research Station, Hill of Brathens, Glassel, Banchory AB31 4 BW, UK

CORMORANT HAZARD TO AVIATION

HANSEN MOGENS
Copenhagen Airports A/S, Bird Strike Unit, Box 74, Lufthavnsboulevarden 6, DK-2770 Kastrup, Denmark. Email: moha@tra.cph.dk

USAGE OF NEST MATERIAL IN THE CORMORANT (PHALACROCORAX CARBO) BREEDING COLONY AT KATY RYBACKIE, N POLAND

ILISZKO LECH, GOC MICHAL
University of Gdansk, Dept. of Vertebrate Ecology and Zoology, Legionów 9, 80-441 Gdansk, Poland. e-mail: biolil@univ.gda.pl

PELLET PRODUCTION BY CORMORANTS (PHALACROCORAX CARBO) IN THE BREEDING COLONY AT KATY RYBACKIE, N POLAND

ILISZKO LECH, KOZLOWSKA KATARZYNA
University of Gdansk, Dept. of Vertebrate Ecology and Zoology, Legionów 9, 80-441 Gdansk, Poland. e-mail: biolil@univ.gda.pl

THE PROBLEMS ON GREAT CORMORANT COLONIES IN JAPAN

ISHIDA AKIRA*, KAMEDA KAYOKO, NARUSUE MASAE
Aichi Prefectural Forest Research Institute, Kamiyoshida 43-1, Horai, Aichi 441-1622, Japan. HZH02144@nifty.ne.jp; Research Center, Wild Bird Society of Japan, 2-35-2 Minamidaira, Hino, Tokyo 191-0041, Japan, and Lake Biwa Museum, Oroshimo 1091, Kusatsu, Shiga 525-0001, Japan

THE POPULATION INCREASE OF THE GREAT CORMORANT AND ITS DAMAGING EFFECT ON FISHERIES AND TREES IN JAPAN

KAMEDA KAYOKO*, ISHIDA AKIRA, MATSUZAWA TOMONORI,
NARUSUE MASAE
Lake Biwa Museum, Oroshimo 1091, Kusatsu, Shiga 525-0001, Japan. kameda@lbm.go.jp; Aichi Prefectural Forest Research Institute, Kamiyoshida 43-1, Horai, Aichi 441-1622, Japan, Laboratory of Wildlife Biology, School of Agriculture and Life Sciences, Tokyo University, Yayoi 1-1-1, Bunkyo-ku, Tokyo 113-8657, Japan, and Research Center, Wild Bird Society of Japan, 2-35-2 Minamidaira, Hino, Tokyo 191-0041, Japan

Cormorant Management in Bavaria, Southern Germany – Shooting as a Proper Management Tool?

Keller Thomas M.
Technische Universität München, LG Angewandte Zoologie, Alte Akademie 16,
D-85350 Freising, Germany. Email: t.keller@lrz.tum.de

Cormorant Predation at Bavarian Lakes: Is there a significant impact to local fisheries?

Keller Thomas M.
Technische Universität München, LG Angewandte Zoologie, Alte Akademie 16, D-85350 Freising, Germany. Email: t.keller@lrz.tum.de

AN UPDATED ASSESSMENT OF THE IMPACT OF CORMORANTS ON FISH STOCKS IN LARGE PRE-ALPINE LAKES IN BAVARIA

KLEIN MANFRED
Bayerische Landesanstalt für Fischerei, D-82319 Starnberg, Germany, manfred.klein@lfi.bayern.de

CHANGES IN THE BREEDING SUCCESS OF CORMORANTS Phalacrocorax carbo sinensis IN THE EXPANDING COLONY AT KATY RYBACKIE (N POLAND): EFFECT OF PHENOLOGY AND AGE OF SUBCOLONY

KOPCIEWICZ Piotr, OLSZEWSKA Agnieszka, NITECKI Czeslaw, STEMPNIEWICZ Lech
Department of Vertebrate Ecology & Zoology, University of Gdansk, Legionów 9, 80-441 Gdansk, Poland, e-mail: biols@univ.gda.pl

THE CURRENT STATUS OF THE PYGMY CORMORANT (Phalacrocorax pygmeus) IN UKRAINE AND ITS PROTECTION

Korzyukov Anatoli, Korzyukov Oleg
Odessa State University, Dept. of Biology, Unit of Zoology, 65058, Odessa,
Shampansky per. 2, E-mail: olegk@te.net.ua

ASSESSMENT OF THE NUMBER OF WINTERING CORMORANTS (Phalacrocorax carbo) IN THE SOUTH OF UKRAINE
Korzyukov Oleg, Korzyukov Anatoli
Odessa State University, Dept. of Biology, Unit of Zoology, 65058, Odessa,
Shampansky per. 2, E-mail: koroleg@yahoo.com

THE FACTORS DETERMINING DYNAMICS OF NUMBER OF CORMORANTS IN NORTHERN PRIAZOVIE

Koshelev Alexander I., Pokusa Roman V.
Melitopol Pedagogical University, Zoology and ecology faculty, Ukraine, Zaporozskay region 72312, 20 Lenin Street, Melitopol-12, ph. 67883; e-mail: mpi@comint.net

WITHIN-COLONY VARIATION IN BREEDING SUCCESS IN A GREAT CORMORANT COLONY IN DENMARK

KRAG JENS SØREN M.*, BREGNBALLE THOMAS
Department of Zoology, Institute of Biology, Univ. of Aarhus, DK-8000 Aarhus C, Denmark, JSMKDK@hotmail.com and National Environmental Research Institute, Dept. of Coastal Zone Ecology, Kalø, Grenåvej 12, DK-8410 Rønde, Denmark

STUDY OF GREAT CORMORANT PHALACROCORAX CARBO POPULATIONS BREEDING AND WINTERING IN GREECE

LIORDOS VASILIOS*, GOUTNER VASSILIS
Aristotelian University of Thessaloniki, GR-20013, Pitsa Corinthia, Greece, acinonyx@otenet.gr and Department of Zoology, School of Biology, Aristotelian University of Thessaloniki, GR-54006, Thessaloniki, Greece, goutner@bio.auth.gr

RECENT DEVELOPMENT OF POPULATION OF CORMORANT Phalacrocorax carbo IN FRANCE AND EFFECT OF SHOOTING ON ITS WINTERING DISTRIBUTION

MARION LOÏC
Laboratoire d'Evolution des Systèmes Naturels & Modifiés, Université de Rennes 1, 35042 Rennes cedex, France. Loic.Marion@univ-rennes1.fr

FOOD COMPOSITION AND STOMACH ANALYSE OF GREAT CORMORANT (PHALACROCORAX CARBO SINENSIS) IN THE CZECH REPUBLIC

Martincová Renáta* 1, Musil Petr 1, 2
1 Department of Zoology, Faculty of Sciences, Charles University, Vinicný 7,
128 44 Praha, Czech Republic,
2 Institute of Applied Ecology, 281 63 Kostelec nad Cernými lesy, Czech Republic

Diet composition of Cormorants Phalacrocorax carbo sinensis at Katy Rybackie colony northern Poland

Martyniak Andrzej 1, Wziatek Bogdan 1, Szymanska Urszula 2, Hliwa Piotr 2, Terlecki Janusz 3
1 Department of Fish Biology and Culture University of Warmia – Mazury Olsztyn Oczapowskiego 5 10-957 Poland, 2 Department of Environment Protection Uniwersity of Warmia – Mazury Olsztyn Poland, 3 Department of Evolutionary Genetics Uniwersity of Warmia – Mazury Olsztyn Poland, 4 Department of Zoology University of Warmia - Mazury Olsztyn Poland

POPULATION TREND OF THE GREAT CORMORANT IN THE
NORTH-EASTERN PART OF POLAND: 1993 – 1999

Mellin Maria 1, Mirowska-Ibron Iwona 2
1 Wydzial Ochrony Srodowiska, Urzad Wojewódzki, ul. Pilsudskiego 7/9,
10-959 Olsztyn, Poland. 2 Ul. Szczekin-Krotowa 11, 10-759 Olsztyn, Poland

Wintering Cormorants in Prague

Musil Petr 1, 2., Bergmann Pavel 3, Martincová Renáta 1
1 Department of Zoology, Faculty of Sciences, Charles University, Vinicná 7, Praha 2, CZ-128 44, Czech Republic, 2 Institute of Applied Ecology, Kostelec nad Cernými lesy, CZ-281 63, Czech Republic, 3 Uralská 6, Praha 6, CZ-16000, Czech Republic

Great Cormorants (Phalacrocorax carbo sinensis) in the Czech Republic: Numbers, distribution, current research and management plan

MUSIL PETR* 1, 2, MARTINCOVÁ RENÁTA 1, CEPÁK JAROSLAV 2
1 Department of Zoology, Faculty of Sciences, Charles University, Vinicná 7, Praha 2, CZ-128 44, Czech Republic, 2 Institute of Applied Ecology, Kostelec nad Cernými lesy, CZ-281 63, Czech Republic

ESTIMATING REPRODUCTIVE SUCCESS OF GREAT CORMORANTS PHALACROCORAX CARBO: THE RELIABILITY AND LIMITATIONS OF CURRENT METHODOLOGY

NEWSON STUART E. 1, BREGNBALLE THOMAS 2
1 School of Biological Sciences, University of Bristol, Woodland Road, Bristol, BS8 1UG, United Kingdom. s.e.newson@bristol.ac.uk. 2 National Environmental Research Institute, Department of Coastal Zone Ecology, Kalo Grenaavej 12, Dk-8410 Ronde, Denmark. tb@DMU.dk

YEAR-TO-YEAR SITE-FIDELITY OF WINTERING AND MIGRATING GREAT CORMORANT PHALACROCORAX CARBO IN THE BELGIAN MEUSE VALLEY

PAQUET J.-Y.*, DERMIEN F., LACROIX P., LUCAS P., POURIGNAUX F.
Groupe de Travail Oiseaux Marqués, Centrale Ornithologique Aves, Rue Lucien Namèche 28, B-5000 Namur, Belgium (e-mail: jeanyves.paquet8@yucom.be)

CORMORANT – MONITORING IN LOWER AUSTRIA (1996/97 – 1999/2000) - Phenology, regional distribution and harassment actions

PARZ-GOLLNER ROSEMARIE
Inst. für Wildbiologie und Jagdwirtschaft, Univ. f. Bodenkultur Wien, Peter Jordanstraße 76, A-1190 Wien, parz@mail.boku.ac.at

POPULATION VARIATION IN THE FREQUENCY OF EXTRA-PAIR PATERNITY IN THE GREAT CORMORANT Phalacrocorax carbo

PIERTNEY STUART B., CARSS DAVID N.* & GOOSTREY A.
NERC Molecular Genetics in Ecology Initiative, Dept. of Zoology, University of Aberdeen, Tillydrone Avenue, Aberdeen, AB24 2TZ, nhi570@abdn.ac.uk and Centre for Ecology & Hydrology Banchory, Hill of Brathens, Banchory, Aberdeenshire, Scotland, AB31 4BW, d.carss@ceh.ac.uk

GREAT CORMORANTS (Phalacrocorax carbo sinensis) WINTERING IN FRIULI - VENEZIA GIULIA: SPECIFIC AND QUANTITATIVE DIET COMPOSITION

PRIVILEGGI NICOLETTA
Department of Biology, University of Trieste, Via Weiss 2, 34100 Trieste, Italy. privileggi@miramare.it

ORIGIN AND MIGRATION PATTERN OF CORMORANTS (PHALACROCORAX CARBO) MIGRATING THROUGH OR WINTERING IN THE UPPER RHINE AREA BY A COLOUR RING ANALYSIS

RETTER MATTHIAS
Universität Freiburg, retterm@uni-freiburg.de (home: A.-Strübe-Str. 4, D-79689 Maulburg, Germany)

THE LIMITATIONS OF PELLET ANALYSIS IN THE STUDY OF CORMORANT (Phalacrocorax spp.) DIET

ROBINSON KATHERINE A., MCKAY HELEN V.1, CARSS DAVID N.2,
PARROTT D.*1
1 Central Science Laboratory, Sand Hutton, York YO41 1LZ, UK, h.mckay@csl.gov.uk, d.parrott@csl.gov.uk,
2 Institute of Terrestrial Ecology, Banchory, Kincardineshire, AB31 4BY, UK. DNC@wpo.nerc.ac.uk

STATUS AND TRENDS IN GREAT CORMORANT POPULATIONS IN NORWAY AND THE BARENTS SEA

RØV NILS*, LORENTSEN SVEIN-HÅKON, PANEVA TATYANA
Norwegian Institute for Nature Research, Tungasletta 2, N-7485 Trondheim,
Norway. nils.rov@ninatrd.ninaniku.no and Kandalaksha State Nature Reserve,
Kandalaksha-2, 35, Lineynaya st., Murmansk Region, 184040, Russia

MULTI-DISCIPLINARY ANALYSIS OF CORMORANT CARCASES

RUSSELL IAN C.*1, BEARHOP STUART2, NEWSON STUART E.3,
WINNEY BRUCE4, ALLCHIN COLIN R.5, KIRK RUTH S.6
1 CEFAS, Lowestoft Laboratory, Pakefield Road, Lowestoft, Suffolk NR33 0HT, UK. i.c.russell@cefas.co.uk, 2 Dept. of Biological Sciences, University of Durham, South Road, Durham DH1 3LE, UK, 3 School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK, 4 Genetics Dept., Queens Medical Centre, University of Nottingham, Nottingham, UK, 5 CEFAS, Burnham Laboratory, Remembrance Avenue, Burnham on Crouch, Essex CM0 8HA, UK,
6 Crucian UK, PO Box 1051, Kingston upon Thames, Surrey KT2 5WX, UK

STOMACH CONTENTS ANALYSIS OF CORMORANTS AT DIFFERENT TYPES OF FISHERIES IN ENGLAND AND WALES

RUSSELL IAN C.*, COOK ALASTAIR, KINSMAN DANIEL A., IVES MARK J., LOWER NICOLA J.
CEFAS, Lowestoft Laboratory, Pakefield Road, Lowestoft,
Suffolk NR33 0HT, UK. i.c.russell@cefas.co.uk

THE USE OF CODED WIRE MICROTAGS TO ASSESS PREY SELECTIVITY AND FORAGING BEHAVIOUR IN CORMORANTS

RUSSELL IAN C.*1, KINSMAN DANIEL A.1, IVES MARK J.1, FINNEY JASON2, MURRELL MARTIN3
1 CEFAS, Lowestoft Laboratory, Pakefield Road, Lowestoft, Suffolk NR33 0HT, UK. i.c.russell@cefas.co.uk, 2 Central Science Laboratory, Sand Hutton, York YO4 1LZ, UK, 3 Environment Agency, Southern Region, Culverdene Court, Wessex Business Park, Wessex Way, Colden Common, Winchester, Hampshire SO21 1WP, UK

Recent development of the Cormorant Phalacrocorax carbo breeding population in Belarus

SAMUSENKO IRINA
Institute of Zoology NASB, Academichnaya Str. 27, 220072 Minsk, Belarus. ring@biobel.bas-net.by

THE CONFLICTS BETWEEN GREAT CORMORANT AND FISH FARM PRODUCTION ON CARP PONDS- ATTEMPTED RESOLUTION AND STRATEGY IN SAXONY, GERMANY

SEICHE KAREEN
D-01259 Dresden. Kareen.Seiche@t-online.de

RESOLVING THE CONFLICT BETWEEN GREAT CORMORANTS AND FISHERY IN ISRAEL

SHY EYAL1, AMITAI GEVA2
1 Science Division, Nature and National Parks Protection Authority, 3 Am Ve’Olamo St., Jerusalem 95463, Israel. eyal.shy@nature-parks.org.il,
2 Department of Fishery, Ministry of Agriculture, Tel Aviv, Israel

INTERRELATIONSHIPS BETWEEN THE RUFFE Gymnocephalus cernuus AND CORMORANT Phalacrocorax carbo sinensis IN THE VISTULA LAGOON, N POLAND

STEMPNIEWICZ LECH* 1, MARTYNIAK ANDRZEJ 2, BOROWSKI WLADYSLAW 3
1 Department of Vertebrate Ecology & Zoology, University of Gdansk, Legionów 9, 80-441 Gdansk, Poland, e-mail: biols@univ.gda.pl, 2 Olsztyn University of Agriculture and Technology, Oczapowskiego 5, 10-957 Olsztyn, Poland,
3 Sea Fishery Institute, Kollataja 1, 81-322 Gdynia, Poland

UNDERWATER VISUAL ACUITY IN THE GREAT CORMORANT

Strod T.* 1, Izhaki I. 2, Katzir G. 2, Arad, Z. 1
1 Department of Biology, Technion-Israeli Institute of Technology, Haifa 32000, Israel, 2 Department of Biology, University of Haifa at Oranim, Qiryat Tivon 36006, Israel

TURBID OR NOT TURBID – THE CORMORANT’S POINT OF VIEW

Strod T.* 1, Izhaki I. 2, Katzir G. 2, Arad Z. 1
1 Department of Biology, Technion-Israeli Institute of Technology, Haifa 32000, Israel, 2 Department of Biology, University of Haifa at Oranim, Qiryat Tivon 36006, Israel

CORMORANTS AND FISHERIES – STRONG BELIEFS AND WEAK FACTS IN A CONFLICT OVER AQUATIC RESOURCES

SUTER WERNER
Wildlife Ecology, Swiss Federal Institute of Forest, Snow and Landscape Research, Postfach, CH-8903 Birmensdorf, Switzerland. Werner.suter@wsl.ch

STOMACH CONTENTS ANALYSES OF GREAT CORMORANTS COMING FROM DIFFERENT AREAS OF AUSTRIA AND LICHTENSTEIN

TRAUTTMANSDORFF JOSEF
Otto Koenig Institut, A-2000 Stockerau, Austria, okido@aon.at

How Zebra Mussels Dreissena polymorpha and Smelt Osmerus eperlanus may affect Cormorants: water system studies at Lake IJsselmeeer, the Netherlands

VAN EERDEN MENNOBART R., VAN RIJN STEF, NOORDHUIS RUURD
Institute of Inland Water Management and Waste Water Treatment RIZA
P.O. Box 17, 8200 AA Lelystad, The Netherlands.
m.veerden@riza.rws.minvenw.nl

Body condition of young Cormorants Phalacrocorax carbo sinensis in relation to cohort dependent survival

VAN RIJN STEF, ZIJLSTRA MENNO, VAN EERDEN MENNOBART R.
Institute of Inland Water Management and Waste Water Treatment RIZA
P.O. Box 17, 8200 AA Lelystad, The Netherlands.
s.vrijn@riza.rws.minvenw.nl

The influence of Great Cormorant Phalacrocorax carbo sinensis predation on the fish stocks of lake Beulakerwiede, The Netherlands

Veldkamp Ronnie*1, Klinge Marcel2
1 Bureau Veldkamp, De Rikking 46, NL-8332 CG Steenwijk, The Netherlands,
2 Witteveen + Bos, Van Twickelostraat 2, PO Box 233, NL-7400 AE Deventer, The Netherlands

CORMORANTS: A NEW INTERNET SITE TO PROMOTE RESEARCH AND KNOWLEDGE ON PHALACROCORACIDAE

VOLPONI STEFANO
Department of Biology, University of Ferrara, Via Borsari 46, I-441000 Ferrara, Italy. svolponi@racine.ra.it

Double-crested Cormorant Research, Conservation, and Management

Werner Scott J.1, Hanisch Shauna L.2
1 United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, Mississippi Research Station, P.O. Drawer 6099, Mississippi State University, Mississippi, 39762 USA (E-mail: Scott.J.Werner@usda.gov), 2 United States Department of Interior, United States Fish and Wildlife Service, Division of Migratory Bird Management, Arlington, Virginia, 22201 USA
(E-mail: shauna.hanisch@fws.gov)

POTENTIAL IMPACT OF DOUBLE-CRESTED CORMORANTS (Phalacrocorax auritus) ON OTHER COLONIAL WATERBIRDS

WESELOH CHIP D.V., HAVELKA TANIA
Canadian Wildlife Service, 4905 Dufferin St., Downsview, Ontario Canada M3H 5T4 (chip.weseloh@ec.gc.ca)

TRANSCONTINENTAL CONNECTIONS: CORMORANT-FISHERIES CONFLICTS, PERCEPTIONS AND REALITIES ON BOTH SIDES OF THE ATLANTIC

WIRES LINDA R. 1, CARSS DAVID N. 2, CUTHBERT FRANCESCA J. 1
1 University of Minnesota, Department of Fisheries & Wildlife, 200 Hodson Hall, 1980 Folwell Avenue, St Paul, MN 55108-6124, USA, wires001@maroon.tc.umn.edu,
2 Centre for Ecology & Hydrology Banchory, Hill of Brathens, Banchory, Aberdeenshire, Scotland, AB31 4BW, d.carss@ceh.ac.uk

Diet composition of Cormorants Phalacrocorax carbo Sinensis in the Drawien National Park

Wziatek Bogdan 1, Martyniak Andrzej 1, Szymanska Urszula 2, Kozlowski Jacek 1, Dostatni Dariusz 1
1 Department of Fish Biology and Culture University of Warmia - Mazury, Oczapowskiego 5. 10-957 Olsztyn Poland, 2 Department of Environment Protection University of Warmia - Mazury, Olsztyn Poland

TAMING THE DELTA OF THE SENEGAL RIVER, WEST AFRICA: EFFECTS ON CORMORANT AND DARTER POPULATIONS

YÉSOU PIERRE*, TRIPLET PATRICK
Direction des Études et de la Recherche, Office National de la Chasse et de la Faune Sauvage, 53 rue Russeil, 44000 Nantes, France. p.yesou@onc.gouv.fr and Patrick Triplet, Réserve naturelle de la baie de Somme, Station Biologique de Blanquetaque, 1 place de l'Amiral Courbet, 80100 Abbeville, France

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