new alien crayfish species in central europe

248 Pages·2012·9.93 MB·English

NEW ALIEN CRAYFISH SPECIES IN
CENTRAL EUROPE

Introduction pathways, life histories, and ecological impacts

DISSERTATION

zur Erlangung des Doktorgrades Dr. rer. nat.
der Fakultät für Naturwissenschaften der Universität Ulm

vorgelegt von
Christoph Chucholl
aus Rosenheim

Ulm 2012

NEW ALIEN CRAYFISH SPECIES IN
CENTRAL EUROPE

Introduction pathways, life histories, and ecological impacts

DISSERTATION

zur Erlangung des Doktorgrades Dr. rer. nat.
der Fakultät für Naturwissenschaften der Universität Ulm

vorgelegt von
Christoph Chucholl
aus Rosenheim

Ulm 2012
Amtierender Dekan: Prof. Dr. Axel Groß
Erstgutachter: Prof. Dr. Manfred Ayasse
Zweitgutachter: Prof. apl. Dr. Gerhard Maier
Tag der Prüfung: 16.7.2012

Cover picture: Orconectes immunis male (blue color morph) (photo courtesy of Dr. H. Bellmann)
Table of contents

Part 1 – Summary

Introduction ............................................................................................................................ 1
Invasive alien species – a global menace ....................................................................... 1
“Invasive” matters .......................................................................................................... 2
Crustaceans – successful invaders .................................................................................. 4
The case of alien crayfish in Europe .............................................................................. 5
New versus Old alien crayfish ........................................................................................ 6
Aims of this thesis ................................................................................................................. 8
Summary of chapters ......................................................................................................... 11
Chapter 1: The pet trade as a pathway for alien crayfish introductions ....................... 11
Chapter 2: Life-history traits of New alien crayfish ..................................................... 13
Chapter 3: Ecological role and impact of New alien crayfish ...................................... 15
General conclusions ........................................................................................................... 18
References ............................................................................................................................ 20

Einleitung .............................................................................................................................. 35
Fragestellung ....................................................................................................................... 43
Zusammenfassung der Kapitel ....................................................................................... 46
Kapitel 1: Der Aquarienhandel als Einfuhr-/Freisetzungsvektor von gebietsfremden
Flusskrebsen ................................................................................................................. 46
Kapitel 2: Lebenszyklus-Strategien von Neuen gebietsfremden Flusskrebsen ............ 49
Kapitel 3: Ökologische Rolle und Auswirkungen von Neuen gebietsfremden
Flusskrebsen ................................................................................................................. 51
Schlussfolgerungen ........................................................................................................... 54
Table of contents
Part 2 – Publications and manuscripts

Chapter 1: The pet trade as a pathway for alien crayfish introductions into
Central Europe

 Chucholl, C. (in press). Invaders for sale: trade and determinants of
introduction of ornamental freshwater crayfish. Biol. Inv............................................ 59

 Chucholl, C. et al. (in press). The clones are coming – strong increase in
Marmorkrebs [Procambarus fallax (Hagen, 1870) f. virginalis] records
from Europe. Aquat. Invas. .......................................................................................... 93

Chapter 2: Understanding invasion success: life-history traits of New alien
crayfish in Central Europe

 Chucholl, C. (2011a). Population ecology of an alien “warm water”
crayfish (Procambarus clarkii) in a new cold habitat. Knowl. Managt.
Aquatic Ecosyst. 401: art. no. 29. ............................................................................... 107

 Chucholl, C. (2012). Understanding invasion success: life-history traits
and feeding habits of the alien crayfish Orconectes immunis (Decapoda,
Astacida, Cambaridae). Knowl. Managt. Aquatic Ecosyst. 404: art. no. 04. ............. 131

Chapter 3: Ecological role and impact of New alien crayfish, both from an
intra-guild and synecological perspective

 Chucholl, C. et al. (2008). Aggressive interactions and competition for
shelter between a recently introduced and an established invasive crayfish:
Orconectes immunis vs. O. limosus. Fund. App. Lim./Arch. Hydrobiol.
172: 27–36. ................................................................................................................. 157

 Chucholl, C. (submitted). Feeding ecology and ecological impact of an
alien “warm water” omnivore in temperate lakes. ..................................................... 177

Acknowledgements .......................................................................................................... 207

Curriculum vitae ................................................................................................................ 209

List of publications............................................................................................................ 211
Table of contents
Appendix

 Chucholl, C., Daudey, T. (2008). First record of Orconectes juvenilis
(Hagen, 1870) in eastern France: update to the species identity of a
recently introduced orconectid crayfish (Crustacea: Astacida). Aquat.
Invas. 3: 105–107. ...................................................................................................... 219

 Chucholl, C., Pfeiffer, M. (2010). First evidence for an established
Marmorkrebs (Decapoda, Astacida, Cambaridae) population in
Southwestern Germany, in syntopic occurrence with Orconectes limosus
(Rafinesque, 1817). Aquat. Invas. 5: 405–412. .......................................................... 223

 Chucholl, C. (2011b). Disjunct distribution pattern of Procambarus clarkii
(Crustacea, Decapoda, Astacida, Cambaridae) in an artificial lake system
in Southwestern Germany. Aquat. Invas. 6: 109–113. ............................................... 231

 Figures ........................................................................................................................ 237
Table of contents

“The careful study of one of the commonest and most insignificant of animals, leads us, step
by step, from every-day knowledge to the widest generalizations and the most difficult
problems of zoology; and, indeed, of biological science in general”
Thomas H. Huxley (1879), in: The Crayfish
Part 1
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S
UMMARY

1
Summary Introduction

2