Vegetation and Production Ecology of an Alaskan Arctic Tundra

Front Matter....Pages i-xvii
Front Matter....Pages 1-2
Introduction....Pages 3-18
Vegetation, Floristics, and Phytogeography of Northern Alaska....Pages 19-36
Spatial and Temporal Variation of the Vegetation and Its Production, Barrow, Alaska....Pages 37-112
Seasonal Dynamics of Above- and Belowground Production of Vascular Plants at Barrow, Alaska....Pages 113-140
Floristics, Phytogeography, and Ecology of Arctic Alaskan Bryophytes....Pages 141-167
Composition and Bryomass of the Moss Layers of Two Wet-Tundra-Meadow Communities Near Barrow, Alaska....Pages 169-183
The Role of Lichens in the Structure, Productivity, and Mineral Cycling of the Wet Coastal Alaskan Tundra....Pages 185-206
The Role of Algae in Tundra Soils....Pages 207-227
Ecto- and Endomycorrhizae of Arctic Plants at Barrow, Alaska....Pages 229-237
Front Matter....Pages 239-240
Photosynthesis in the Principal Barrow, Alaska, Species: A Summary of Field and Laboratory Responses....Pages 241-268
Primary Production Processes in Arctic Bryophytes at Barrow, Alaska....Pages 269-298
Meteorological Assessment of CO 2 Exchange over an Alaskan Arctic Tundra....Pages 299-321
Constraints on Tundra Productivity: Photosynthetic Capacity in Relation to Solar Radiation Utilization and Water Stress in Arctic and Alpine Tundras....Pages 323-342
Some Aspects of Water Relations of Arctic and Alpine Regions....Pages 343-357
Radio-Tracer Measurement of Transpiration in Tundra Vegetation, Barrow, Alaska....Pages 359-369
Simulation of the Effect of the Tundra Vascular Plant Canopy on the Productivity of Four Plant Species....Pages 371-387
Front Matter....Pages 389-391
Translocation and Allocation of 14 C-Photoassimilate by Dupontia fisheri ....Pages 393-413
Growth, Turnover, and Respiration Rates of Roots and Tillers in Tundra Graminoids....Pages 415-434
The Interactions of Organic Nutrients, Soil Nitrogen, and Soil Temperature and Plant Growth and Survival in the Arctic Environment....Pages 435-456
Plant Nutrient Limitations of Tundra Plant Growth....Pages 457-481
Front Matter....Pages 389-391
Phosphate Uptake and Nutrient Utilization by Barrow Tundra Vegetation....Pages 483-507
Effects of Nitrogen and Phosphorus Fertilization on Carbohydrate and Nutrient Levels in Dupontia fisheri and Arctagrostis latifolia ....Pages 509-537
Nitrogen Fixation in Arctic and Alpine Tundra....Pages 539-558
A Model of Plant Growth and Phosphorus Allocation for Dupontia fisheri in Coastal, Wet-Meadow Tundra....Pages 559-576
A Model of Carbohydrate, Nitrogen, Phosphorus Allocation and Growth in Tundra Production....Pages 577-598
A Simulation Model of Population Processes of Arctic Tundra Graminoids....Pages 599-619
Summary....Pages 621-645
Back Matter....Pages 647-686