forestry notes
goal: harvest resources
types
goal: harvest resources
- ecologically sensitive areas are carefully monitored
types
- old growth
- secondary
- commercial
- provide habitat
- biodiversity
- prevents erosion
- purify water
- store carbon release oxygen
- timber for lumber and fuel
- source of food
- raw materials for many materials
- 4 methods
- clear cutting, seed tree, selection system, strip cutting
- may result in even aged or un even aged regrowth
- even age regrowth tend to be less biodiverse than uneven age regrowth
- involves cutting down trees in a region resulting in even age
- changes abiotic conditions including ligght, temp, wind and persipitation
- benefit: cost efficient
- costs: entire communities usually displaced or destroyed causing soil erosion
- small number of mature healthy trees are left
- shelterwood: involves leaving few mature trees providing shelter for seedlings
- benefiit: less damaging than clear cutting
- cost: as with clear cutting leads to mostly even aged regrowth
- relatively few trees are cut at once under a selection system
- selection can involve widely spaced single trees or groups
- benefits: more biodeversity
- less overall environmental impact
- cost: machinery disturbs forest interior
- expensive process
- more dangerous for loggers
- cutting one strip of trees
- leads to uneven aged tree growth
- increase erosion
- sediment run off
- habitat fragmentation
- loss of biodiversity
lorax
2.
What seems to be Dr. Seuss’ purpose in writing this fable? (A fable is a fictional story that teaches a lesson.)
-Dr Seuss is saying that you need to think before you act and be cautious with your actions cause they could have a major affect on others and what`s around you.
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How could the Once-ler have managed his company to protect natural resources and not run out of trees to manufacture “Th-needs”? Is it necessary to protect all the trees “from axes that hack”?
2.
What seems to be Dr. Seuss’ purpose in writing this fable? (A fable is a fictional story that teaches a lesson.)
-Dr Seuss is saying that you need to think before you act and be cautious with your actions cause they could have a major affect on others and what`s around you.