Midterm 1 Flashcards
(18 cards)
In the clayoquot sound reading, what three categories of factors greatly affect harvesting system selection?
Physical environment (climate, hydrology, terrain, topography, soils)
Timber characteristics (spp, size, age, condition, silvi system)
Other factors (mill, public, regulations, road constraints)
What are the four types of yarding methods?
Ground based yarding
Cable yarding
Balloon yarding
Helicopter yarding
Examples of ground based yarding? (3)
Skidders, hoe forwarders, crawler tractors
Examples of cable yarding? (2)
Skyline and highlead
Types of highlead and skyline systems?
(Running, live or standing)
Tower, grapple yarder, swing yarder, tower, yarding crane
What are the four phases pf a harvesting system?
Falling, bucking, yarding, loading
Why is the date 1846 important?
This is the year that courts use as the takeover of British authority
What are typical signs of First Nations cultural modification?
Test holes and bark stripping
What commodity were logs first collected for by colonists in 1778-1885?
Ship spars
What events in the mid 1800s made logs in greater demand?
The california, fraser goldrushes
Why did stamps mill in port alberni shut down im 1864?
Ran out of logs
How did skidding first get started?(system)
Oxen
Whats the softwood lumber dispute about?
Americans had good mills amd timer and didnt want outside competition so they put tariffs on outside lumber
When and what was the first timber regulation?
1854 when only subjects and van isle residents could cut timber on van isle- to keep americans out
What were the main markets before the us?
Great britain and asia
What did hand loggers do when timber by ocean was depeleted?
Brought teams of oxen and horses to skid logs
What created a huge demand for timber in 1871?
Confederation- rail ties and boards
The e and n land grant was given on south/central east van isle
Why did harvest systems start to evolve?
Shortage of easy access timber