SYSTEM ECOLOGY:
                     ECOSYSTEMS




                                     PHYSICAL LAWS
LIMITING FACTORS      BIOTIC

                                        ENERGY
ENERGY BUDGETS       Producers       CONSERVATION


                    Consumers           Thermodynamics(1)
       Global

       Gross and    Secondary           Thermodynamics(2)
         Net        Consumers
                                               Entropy of
                                                universe
                     Tertiary
                    Consumers        MASS CONSERVATION

      ABIOTIC                               INPUT
                    Detritivores
                     (Detritus)            OUTPUT
SYSTEM ECOLOGY:
                    ECOSYSTEMS




BIOGEOCHEMICAL                           HUMAN ACTIVITIES
                 ENERGY TRANSFER
     CYCLES

                                            NUTRIENT
 WATER CYCLE      PRODUCTION               ENRICHMENT
                   EFFICIENCY
 CARBON CYCLE                                 Agriculture and
                      Production
                       Efficiency             Nitrogen Cycling
  TERRESRIAL
NITROGEN CYCLE                                Contamination of
                          Trophic
                                             Aquatic Ecosystems
                         Efficiency
 PHOSPHORUS           (10% decrease)
    CYCLE                                ACID PRECIPITATION
                  GREEN WORLD          TOXINS IN ENVIRONMENT
DECOMPOSITION      HYPOTHESIS
 AND NUTRIENT                           GREEN HOUSE GASES
    CYCLE                              AND GLOBAL WARMING
GREEN HOUSE GASES
                                      PRIMARY PRODUCTION
AND GLOBAL WARMING
    Rising Atmospheric
        CO2 Levels

     How Elevated CO2       AQUATIC              TERRESTRIAL
     Levels Affect Forest
           Ecology            Limitations
     Greenhouse Effect                          ARTIC TUNDRA
                                  Light
       and Climate
                                 Nutrients       TEMPERATE
                                                 GRASSLANDS
    DEPLETION OF                                MOUNTAIN
 ATMOSPHERIC OZONE                           CONIFEROUS FOREST
                                                 TEMPERATE
                                                   FOREST

                                               TROPICAL FOREST

                                             DESERT SHRUBLAND

ECOSYSTEMS concept map BY GRP 6

  • 2.
    SYSTEM ECOLOGY: ECOSYSTEMS PHYSICAL LAWS LIMITING FACTORS BIOTIC ENERGY ENERGY BUDGETS Producers CONSERVATION Consumers Thermodynamics(1) Global Gross and Secondary Thermodynamics(2) Net Consumers Entropy of universe Tertiary Consumers MASS CONSERVATION ABIOTIC INPUT Detritivores (Detritus) OUTPUT
  • 3.
    SYSTEM ECOLOGY: ECOSYSTEMS BIOGEOCHEMICAL HUMAN ACTIVITIES ENERGY TRANSFER CYCLES NUTRIENT WATER CYCLE PRODUCTION ENRICHMENT EFFICIENCY CARBON CYCLE Agriculture and Production Efficiency Nitrogen Cycling TERRESRIAL NITROGEN CYCLE Contamination of Trophic Aquatic Ecosystems Efficiency PHOSPHORUS (10% decrease) CYCLE ACID PRECIPITATION GREEN WORLD TOXINS IN ENVIRONMENT DECOMPOSITION HYPOTHESIS AND NUTRIENT GREEN HOUSE GASES CYCLE AND GLOBAL WARMING
  • 4.
    GREEN HOUSE GASES PRIMARY PRODUCTION AND GLOBAL WARMING Rising Atmospheric CO2 Levels How Elevated CO2 AQUATIC TERRESTRIAL Levels Affect Forest Ecology Limitations Greenhouse Effect ARTIC TUNDRA Light and Climate Nutrients TEMPERATE GRASSLANDS DEPLETION OF MOUNTAIN ATMOSPHERIC OZONE CONIFEROUS FOREST TEMPERATE FOREST TROPICAL FOREST DESERT SHRUBLAND