Lecture 8 : pine trees

Question 1

pines

Answer 1

pinus

111 species originated 150 million years before present

Question 2

evergreens

chir pine

Answer 2

retain needles
-drops and produces new needles every year, some last up to 45 years
bristlecone pine can be up to 6000 years old

Question 3

soft and hard punes

Answer 3

soft = 5 needles per fascicle (bundle)

hard - 2 needles per

Question 4

where do pines grow

Answer 4

conifers domesticate areas where competition is reduced by fire, cold or nutrient shortages
pines are shade intolerant

Question 5

pines and fire

Answer 5

lodge pole pines cones are sertotinous

open in heat and have aerial seed bank

Question 6

vagility

Answer 6

ability of organism to move/disperse

can pollinate up to 1000’s of km

Question 7

military movement of pines

Answer 7

pinus brutia - turkish pine
moved with troops of alexander the great from turkey to azerbijan
anzac troops (aus/nz) moved pinus brutia to aus/nz after gallipoli

Question 8

moneterey pine

Answer 8

native habitat is cali
occupies 6000ha but today is basis of exotic forestry of 4mil ha in nz
commercial forestry = pinus radiata

Question 9

assisted migration adaptation trial

Answer 9

in response to global warming
conifers are being tested in sites that are outside range
13 conifer and 3 broadleaf

Question 10

pines are economically important

Answer 10

produce pine resin
tar, rosin, turpentine
saw timber and food