SOIL AND WATER AS ABIOTIC FACTORS

QUALITY OF SOIL

• Horizons
• Composition
• Texture
• Particle size
• Permeability
• PH level

THREE Horizons IN QUALITY SOIL

• Valuable topsoil has humus clay and minerals
• Subsoil has little humus
• Parent material

Importance OF PH LEVELS AND PERMIABILITY

• Closer pact less permeable
• Plant grow with pH of 5-7

WHY GOOD SOIL IS IMPORTANT

• Maintains ecosystem
• Changes life forms

WHY IS EROSION A CONSERN

• Changes land shape
• Build and wears land

HOW DOSE WATERSHED AFECT THE WATER SUPLIY

• Runs off into water

WHAT IS AN AQUIFER

• Rock with ground water

WHAT IS A WATER TABLE

• Ground water going through rocks

WAYS TO PROTECT OUR GROUNDWATER

• Not throwing trash on the ground