species richness & climate change
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, - happening to increase that species richness, is that species that are
adapted to warmer temperatures, more of them are living at lower
elevations.
- There's a point at which they're going to hit the top of the mountain from
continually moving up. They're not gonna be able to move up any farther.
And then we may see actually declines in species richness.
effects of global climate change and increasing temperatures
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- changes in the Arctic sea -> long-term reduction in the amount of sea ice
in the Arctic -> melting the ice and turning it into ocean water-> takes away
and destroys their habitat and leaving them less area to forage from ->
reduction of polar #s
- ocean acidification -> increasing CO2 in the atmosphere dissolves into the
ocean -> CO2 comes in ocean water it combines with H2O and carbonate
ions and turns into bicarbonate (a weak acid) -> cant use carbon in this
form -> nails, corals, other critters like that, are unable to build their shells
properly, and the shells start to dissolve -> harder for them to find their
habitats -> behavioral changes in ocean fishes -> negative effect on their
ability to forage and find their habitat
- sea level rise -> ocean water expands (thermal expansion) -> flooding
- extinct species
- warmer temps -> transition from winter to spring happens earlier and last
for a longer period -> disrupt the timing of lifecycles of many organisms ->
mismatch in timing between the two species -> ie: when the flowers come
out and when the bumblebees coming up because they're sort of
responding to slightly different temperature cues (flowers come out before
bees so bees dont pollinate or forage much)
When researchers in Duke Forest pumped CO2 into the forest, what did they find?
Give this one a try later!
, They found that trees increased their growth initially, but growth saturated
or even declined after a few years.
greenhouse gases
Give this one a try later!
- predict the size and location of glaciers on Mars using these exact kind of
global climate models
- see how well those factors explain changes in temperatures in isolation
compared to when they are combined with other factors
- burning of fossil fuels has released greenhouse gases that have cause
increases in overall temperature is, but at the same time of increased
aerosols that have led to a countervailing cooling effect.
- greenhouse gases in combination with other human and natural factors
that best explain the data.
what happens with plants with increased CO2
Give this one a try later!
- increase in plant primary production in many places on the planet
- Plants may be able to utilize a little bit of the extra CO2, but they're likely
not going to be able to compensate for all the new CO2 because of all of
the other things that affect them because of changes in water availability
and temperatures
changes in precipitation due to climate change
Give this one a try later!
Give this one a try later!
, - happening to increase that species richness, is that species that are
adapted to warmer temperatures, more of them are living at lower
elevations.
- There's a point at which they're going to hit the top of the mountain from
continually moving up. They're not gonna be able to move up any farther.
And then we may see actually declines in species richness.
effects of global climate change and increasing temperatures
Give this one a try later!
- changes in the Arctic sea -> long-term reduction in the amount of sea ice
in the Arctic -> melting the ice and turning it into ocean water-> takes away
and destroys their habitat and leaving them less area to forage from ->
reduction of polar #s
- ocean acidification -> increasing CO2 in the atmosphere dissolves into the
ocean -> CO2 comes in ocean water it combines with H2O and carbonate
ions and turns into bicarbonate (a weak acid) -> cant use carbon in this
form -> nails, corals, other critters like that, are unable to build their shells
properly, and the shells start to dissolve -> harder for them to find their
habitats -> behavioral changes in ocean fishes -> negative effect on their
ability to forage and find their habitat
- sea level rise -> ocean water expands (thermal expansion) -> flooding
- extinct species
- warmer temps -> transition from winter to spring happens earlier and last
for a longer period -> disrupt the timing of lifecycles of many organisms ->
mismatch in timing between the two species -> ie: when the flowers come
out and when the bumblebees coming up because they're sort of
responding to slightly different temperature cues (flowers come out before
bees so bees dont pollinate or forage much)
When researchers in Duke Forest pumped CO2 into the forest, what did they find?
Give this one a try later!
, They found that trees increased their growth initially, but growth saturated
or even declined after a few years.
greenhouse gases
Give this one a try later!
- predict the size and location of glaciers on Mars using these exact kind of
global climate models
- see how well those factors explain changes in temperatures in isolation
compared to when they are combined with other factors
- burning of fossil fuels has released greenhouse gases that have cause
increases in overall temperature is, but at the same time of increased
aerosols that have led to a countervailing cooling effect.
- greenhouse gases in combination with other human and natural factors
that best explain the data.
what happens with plants with increased CO2
Give this one a try later!
- increase in plant primary production in many places on the planet
- Plants may be able to utilize a little bit of the extra CO2, but they're likely
not going to be able to compensate for all the new CO2 because of all of
the other things that affect them because of changes in water availability
and temperatures
changes in precipitation due to climate change
Give this one a try later!
