exam 2 (lect 16)

Question 1

change in temp in aquatic enviro

Answer 1

accelerating faster in ocean than surface of earth

Question 2

watermelon snow

Answer 2

chlamydomonas nivalis
green algae
grow on melted water on snow and ice
red b/c carotenoids for UV protection

Question 3

algae on snow and ice

Answer 3

bloom during melt season
liquid water (precip, melting)
nutrient from blowing wind
temp (need a little warmth(

Question 4

albedo

Answer 4

whiteness of surface 0black-1white

Question 5

glacier microbiomes and albedo

Answer 5

lowering albedo, accel melt
algae absorb more heat on large surfaces, feedback
warming

Question 6

flowering in CO rocky mountains

Answer 6

high elevation, long periods of snow

david inouye worked on pollinators but documented flowering times of plants

Question 7

climate change and flowering

Answer 7

earlier first and spring peak by about 10-12 days

overall increase of flowering season

Question 8

elevational gradient of veg

Answer 8

turnover from hardwood deciduos to conifer, boreal (greener)
as elevation increases
different colors that affect heat absorption

Question 9

boundary line of forest change with climate

Answer 9

shifts up, warmer temps are higher up

decidous trees moving up the mountain

Question 10

species distrib climate change

Answer 10

high species richness in SE US
potential shift over time
BIG loos of species in SE and gain in N Canada
Plants cannot move this far in 50 years