The Expeditions ANTARKTIS-XIW3-4 of the Research Vessel POLARSTERN in 2002 (ANDEEP I and 11: mtarctic benthic deep-sea biodiversity - colonization history and recent community patterns) edited by Dieter K. FüttererAngelika Brandt and Gary C.B. Poore Ber. Polarforsch. Meeresforsch. 470 (2003) ISSN 1618 - 3193 1 CONTENTS INTRODUCTION AND SUMMARY ...................................................5 Dieter K. Fiitterer, Angelika Brandt und Karl-Hermann Kock Itinerary of Leg ANT-XIW3..................................................................................... 7 Dieter K. Fiitterer Meteorological conditions during Leg ANT-XIW3 ..............................................10 Reinhard Striijng und Klaus Buldt Itinerary of Leg ANT-XIW4 ...................................................................................11 Dieter K. Fiitterer Weather conditions during Leg ANT-XIW4 .........................................................13 Hans-Joachim Mölle und Klaus Buldt Multi-Axis-DOASmeasurements of atmospheric trace gases for SCIAMACHY / ENVISAT validation during legs ANT-XIW3 and -XIW4 ..................................15 Christoph von Friedeburg, Holger Heumann und Andreas Heck INVESTIGATIONS ON ANTARCTIC FISH ................................... 17 Karl-Hermann Kock The composition of the demersal fish fauna of the Elephant Island - South Shetland Islands region ...........................................................................................18 Karl-Hermann Kock, Christopher D. Jones, Gillian V.Bertouch, Daniel F. Doolittle, Mario La Mesa, Leonid Pshenichnov, Riidiger Riehl, Teresa Romeo, Susanne Schölin und Lorenzo Zane Biological characteristics of Antarctic fish species in the Elephant Island - South Shetland Islands region .............................................................................23 Karl-Hermann Kock, Christopher D. Jones, Gillian V. Bertouch, Daniel F. Doolittle, Mario La Mesa, Leonid Pshenichnov, Riidiger Riehl, Teresa Romeo, Susanne Schölin und Lorenzo Zane Fishing off D9UrvilleIsland at the tip of the Antarctic Peninsula. ......................24 Karl-Hermann Kock, Christopher D. Jones, Gillian V. Bertouch, Daniel F. Doolittle, Mario La Mesa, Leonid Pshenichnov, Riidiger Riehl, Teresa Romeo, Susanne Schölin und Lorenzo Zone Electron microscopy and cytochemical analyses of eggs and spermatozoa of Antarctic fish ............................................................................................................26 Riidiger Riehl Age and growth in notothenioid fish around the South Shetland Islands .......... 27 Mario La Mesa Genetic studies of Antarctic fish .............................................................................29 Lorenzo Zone Pollution loads in Antarctic fish of the Elephant Island - South Shetland Islands region ............................................................................................................30 Teresa Romeo Cephalopod diversity and ecology ..........................................................................32 Uwe Piatkowski, Louise Allcock und Michel Vecchione CTD measurements with emphasis on the Elephant Island region .....................39 Patrick Dauby ANDEEP: ANTARCTIC BENTHIC DEEP-SEA BIODIVERSITY - COLONIZATION HISTORY AND RECENT COMMUNITY PATTERNS............................................................................................ 45 Angelika Brandt, Claude de Broyer, Andrew J. Gooday, Brigitfe Hilbig und Michael R.A. Thomson Meiobenthos.............................................................................................................. 50 Introduction to meiobenthos studies ......................................................................50 Andrew J. Gooday Diversity of deep-sea benthic foraminifera - molecular and morphological aspects ..................................................................................................................................51 Jan Pawlowski, Andrew J. Gooday und Nils Cornelius Species diversity of benthic copepods and loriciferans in the Southern Ocean .56 Pedro Martinez Arbizu Biogeography and biodiversity patterns of the metazoan meiobenthos in deep Antarctic waters with special emphasis on free-living marine nematodes ............. 57 Ann Vanreusel und Ilse De Mesel Diversity of resting stages in deep-sea sediments .................................................. 61 Stefano Piraino Macrobenthos ...........................................................................................................62 Introduction to work at sea .....................................................................................62 Angelika Brandt, Brigitte Hilbig, Jim Blake, Kari Elsa Ellingsen und Bhavani E. Narayanaswamy Spatial patterns of Antarctic deep-sea soft-sediment biodiversity ..................... 64 Kari Elsa. Ellingsen Patterns in diversity and controls on macrobenthic community structure, particularly Polychaeta ............................................................................................ 65 Bhavani E. Narayanaswamy Biodiversity and zoogeography of Crustacea Peracarida and Polychaeta ......... 66 Angelika Brandt, Wiebke BrökelandBrigitte Hilbig , Ute Miihlenhardt-Siegel, Michael Raupach, Gabriela Strieso und Gisela Wegener Ecology, life cycle variability and reproductive biology of deep-sea polychaetes (Aphroditidae, Polynoidae, Sabellidae).................................................................. 71 Stefano Piraino The origin and evolution of Antarctic and deep-Sea macro-infauna: systematics and reproductive patterns of polychaetes.......................................... 74 James A. Blake und Marie A. Evans Antarctic deep-sea amphipods ................................................................................78 Wim Vader und J@rgenBerge Biodiversity, molecular phylogeny and trophodynamics of amphipod crustaceans in the Antarctic deep-sea .........................................................................................81 Cla~ideDe Broyer, Patrick Dauby, Fabienne Nyssen und Patrick Martin Investigations On the systematics, zoogeography, and evolution of Antarctic deep- sea isopods (Crustacea, Malacostraca) ...................................................................86 Angelika Brandt, Wiebke BrökelandMichael Raupach, Gabriele Strieso und Gisela Wegener Comparative evolutionary histories of Antarcturidae and related families (Crustacea, Isopoda) of southern continents .........................................................88 Gay C. B. Poore Ultrastructure of isopod sensillae (Crustacea, Malacostraca) .............................90 Angelika Brandt und Gisela Wegener Megabenthos .............................................................................................................91 Introduction to work at sea .....................................................................................91 Louise Allcock, Susanne Lockhart, Kari Ellingsen, Richard Mooi und Claude de Broyer Mollusca in the Antarctic deep sea - preliminary notes on their taxonomy, biogeography and diversity .....................................................................................95 Katrin Linse, Michael Schröd, Craig McClain und Louise Allcock 3.3.3 Philobrya - Tracer for the possible Antarctic colonisation routes .....................101 Katrin Linse 3.3.4 Biodiversity and systematics of Antarctic deep water Opisthobranchia .......... 102 Michael Schrödund Louise Allcock 3.3.5 First report on the deep-sea Porifera from the northern Weddell Sea and the slope of the South Sandwich Trench .............................................................................. 104 Dorte Janussen 3.3.6 Biodiversity, life cycles, and reproductive biology of deep-sea cnidarians....... 108 Cksar Megina, Mercedes Conradi und Stefano Piraino 3.3.7 Phylogeny, reproductive mode and parasitism in Antarctic cidaroid sea urchins ..............................................................................................112 Susanne J. Lockhart, Rieh J. Mooi, und John S. Pearse 3.3.8 Antarctic deep-sea holothurians ...........................................................................115 Andrey V. Gebruk, Jens Michael Bohn.and Ben D. Wigham 3.4 Depositional environments ...................................................................................120 3.4.1 Benthic habitat characterization of physical and biological processes influencing surface sediment structure in the southern Scotia and northern Weddell Seas: ANDEEP I and 11. .........................................................................120 Robert J. Diaz und Lawrence W. Carpenter 3.4.2 Recent depositional environments of the northwestern Weddell Sea and South Sandwich Trench .................................................................................124 John A. Howe 3.4.3 Drop-stones .............................................................................................................128 Michael R. A. Thomson 4 APPENDICES .....................................................................................131 4.A List of sampling stations ........................................................................................131 4.B Participating institutions .......................................................................................167 4.C Scientific Party .......................................................................................................171 4.D Ships Crew ..............................................................................................................173