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FOREWORD by Garrett Hardin
THE NATURE OF ECOSYSTEMS
Part H ENERGY IN ECOSYSTEMS
6 other sections not shown
abiotic factors agricultural amensalism answers atmosphere bacteria biogeochemical cycles biological biomass biome biotic potential birth rate carnivore chapter chemical climax community competition complex components consumed cybernetic system death rate decomposers decrease demostat diagram earth earth's surface ecological succession ecologist environment environmental resistance example explain exponential extrinsic Figure food chain forest frames indicated growth rate heat herbivores homeostatic plateau human population increase individuals inputs interaction intraspecific intraspecific competition land Law of Thermodynamics limited living organisms major man's miss any questions molecules natural ecosystems negative feedback niche nitrogen nitrogen cycle nutrient budgets occur ocean open system organism's outputs parasite percent phosphates phosphorus photosynthesis plants and animals pollution population density population growth positive feedback predation production pyramids relationship reproduction respiration sedimentary set point soil solar radiation species diversity stratification subsystems sunlight survival survivorship curve take the Self-Test temperature tion tissue trophic level water cycle