Antarctic Ecosystems: Ecological Change and Conservation

Front Matter....Pages I-XII
Front Matter....Pages 1-1
Significance of Evidence for Changes in the Antarctic Marine Environment Over the Last 5 Million Years....Pages 3-8
Temperature and Evolution: Southern Ocean Cooling and the Antarctic Marine Fauna....Pages 9-22
Environmental and Biological Variability in the McMurdo Ice Shelf Ecosystem....Pages 23-31
Signy Island as a Paradigm of Biological and Environmental Change in Antarctic Terrestrial Ecosystems....Pages 32-50
Colonization of Terrestrial Habitats — Organisms, Opportunities and Occurrence....Pages 51-60
Changes in Vegetation on Heard Island 1947–1987....Pages 61-76
Evidence for Change in the Chemistry of Maritime Antarctic Heywood Lake....Pages 77-82
Eutrophication and Vegetation Development in Maritime Antarctic Lakes....Pages 83-90
A Preliminary Study of Benthic Diatoms in Contrasting Lake Environments....Pages 91-99
Front Matter....Pages 101-101
Seasonal and Regional Variation in the Pelagial and its Relationship to the Life History Cycle of Krill....Pages 103-114
Primary Production and Consumption in McMurdo Sound, Antarctica....Pages 115-128
Seasonal and Geographic Variations in Sea Ice Community Structure of the Weddell Sea, Antarctica....Pages 129-135
Seasonal Variation in Ice Algal Assemblages in the Fast Ice Near Syowa Station in 1983/84....Pages 136-142
Seasonal Variation of Particulate Organic Matter Under the Antarctic Fast Ice and its Importance to Benthic Life....Pages 143-148
Seasonal Patterns of Ichthyoplankton Distribution and Abundance in the Southern Weddell Sea....Pages 149-158
The Distribution of Zooplankton in Relation to the South Georgia Shelf in Summer and Winter....Pages 159-165
Front Matter....Pages 167-167
Ross Sea Emperor Penguin Breeding Populations Estimated by Aerial Photography....Pages 169-176
The Effect of Disturbance on the Heart Rate and Behaviour of Adélie Penguins ( Pygoscelis adeliae ) During the Breeding Season....Pages 177-182
The Impact of Man on Adélie Penguins at Cape Hallett, Antarctica....Pages 183-190
Adélie and Chinstrap Penguins: Their Potential as Monitors of the Southern Ocean Marine Ecosystem....Pages 191-202
Front Matter....Pages 167-167
Foraging Patterns of Adélie Penguins During the Incubation Period....Pages 203-207
Long-Term Changes in Seabird and Seal Populations in the Southern Ocean....Pages 208-213
Annual Fluctuations in Productivity and Breeding Success of Adélie Penguins and Fulmarine Petrels in Prydz Bay, East Antarctica....Pages 214-223
Human Impacts and Ecological Constraints on Skuas....Pages 224-230
Long-Term Stability and Human Impact in Antarctic Skuas and Adélie Penguins....Pages 231-236
Influence of the Increasing Fur Seal Population on Wandering Albatrosses Diomedea exulans Breeding on Bird Island, South Georgia....Pages 237-240
Fluctuations in Breeding Populations of Elephant Seals Mirounga leonina at Stranger Point, King George Island 1980–1988....Pages 241-245
A Simulation of the Age Structure of Crabeater Seals in a Fluctuating Environment....Pages 246-252
Continental Estimates and Population Trends of Antarctic Ice Seals....Pages 253-264
Abundance of Antarctic Fur Seals in the South Shetland Islands, Antarctica, During the 1986/87 Austral Summer....Pages 265-270
Humpback Whales, Area V. An Increase in Numbers Off Australia’s East Coast....Pages 271-277
Front Matter....Pages 279-279
The Population Biology of the Antarctic Scallop, Adamussium colbecki (Smith 1902) at New Harbor, Ross Sea....Pages 281-288
Cephalopod Fauna of the Scotia Sea at South Georgia: Potential for Commercial Exploitation and Possible Consequences....Pages 289-298
The Feeding Ecology of Larval Fish in an Antarctic Fjord, with Emphasis on Champsocephalus gunnari ....Pages 299-307
The State of Exploited Fish Stocks in the Atlantic Sector of the Southern Ocean....Pages 308-322
Changes in Fish Populations and Fisheries Around the Kerguelen Islands During the Last Decade....Pages 323-333
Front Matter....Pages 335-335
Invertebrate Fauna and Their Role in the Degradation of Cattle Dung at Amsterdam Island....Pages 337-346
A Comparison of Airborne Alkaline Pollution Damage in Selected Lichens and Mosses at Casey Station, Wilkes Land, Antarctica....Pages 347-353
The Introduction and Establishment of the Diamondback Moth ( Plutella xylostella L., Plutellidae) on Marion Island....Pages 354-358
The Role of Feral House Mice in Ecosystem Functioning on Marion Island....Pages 359-364
Front Matter....Pages 335-335
The Impact of Introduced Cats on the Predator-Prey Interactions of a Sub-Antarctic Avian Community....Pages 365-371
Marine Biota as Detection Agents for Low-Level Radionuclide Contamination in Antarctica and the Southern Hemisphere Oceans....Pages 372-378
Effect of Ultraviolet Radiation on Antarctic Marine Phytoplankton....Pages 379-385
International Agreements and the Conservation of Antarctic Systems....Pages 386-393
Orientation of Environmental Change Studies to the Conservation of Antarctic Ecosystems....Pages 394-403
Front Matter....Pages 405-405
Antarctic Ecosystems: Change and Conservation. Review of the Fifth Symposium on Antarctic Biology....Pages 407-414
Back Matter....Pages 415-427