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ECOLOGYNOTES - ECOLOGY ECO(OIKOS)= HOUSE OLOGY = STUDY...

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ECOLOGY: ECO (OIKOS)= HOUSE / OLOGY = STUDY STUDY OF OUR “HOUSE” ---> EARTH ALL ASPECTS AND THEIR INTERRELATIONSHIPS EXTREMELY HARD TO IDENTIFY HOUSE ? ==> BIOSPHERE NARROW ZONE ON EARTH THAT SUPPORTS “LIFE” ATMOSPHERE ~ 20 km HYDROSPHERE ~ 6 km LITHOSPHERE ~ .5 km THEREFORE!! ECOLOGY IS THE STUDY OF THE RELATIONSHIPS BETWEEN ORGANISMS AND THEIR ENVIRONMENT, BIOTIC AND ABIOTIC. LIFE ?? ENERGY MATTER (SUN) (EARTH RESOURCES) BIOTIC ABIOTIC
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CYCLES: ALL RECYCLE EXCEPT FOR ENERGY (TIME IS THE FACTOR) ENERGY- “FLOWS” DRIVES OTHER CYCLES (ULTIMATE SOURCE OF ALMOST ALL “E” IS THE SUN) NUTRIENT- CARBON, NITROGEN, PHOSPHOROUS, O 2 - CO 2 ROCK- FORMATION, WEATHERING, EROSION, DEPOSITION HYDROLOGIC- MOVEMENT OF WATER (LAND, AIR, SEA, LIFE) *** THESE “NATURAL” CYCLES ARE TOO LARGE TO BE *** “CONTROLLED” BY MAN. HOWEVER, MAN LIKE ANY OTHER COMPONENT CAN INFLUENCE THE CYCLES
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LEVELS OF STUDY BIOSPHERE- ALL BIOTIC & ABIOTIC BIOMES- OLD CONCEPT (W. SCLATER & ALFRED WALLACE; 1800’S) BIOGEOGRAPHICAL REGIONS DEFINED BY EXISTING CLIMAX COMMUNITIES. “ARTIFICIAL” CLIMATE & WATER.
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