eco FINALLLL pt 3

• resource ecology

  sustainable development/ maintaining biodiversity
• ecological economics

  damage of human healh and ecosystems by example pollution

  cost of repairing damage
• sustainable enviro.

  reduce use of non renewable energy

  increase renewable materials\
• recovering mamnagment actions

  tree planting stocking fish after harvestation

  maximum sustainable yield (msy) exceed it then less productivity

  natural regeneration; spontaneous recovery after harvest

  reg of harvesting

  to avoid overharvestng

  direct

  limiting licenses and times and location to harvest

  indirect

  imposing taxes, assessing fines
• human desire self interest, idea that the world is boundless cornocopian view
• forestry

  clear cutting 90% of canadian trees

  rotation = too short = nutrients have no time to recover

  whole tree harvesting and less fertile land = vulnerable to nutrient depletion

  plantations = effective than natural restoration, more bird density sum species missing tho