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Flashcards in Week 4 Deck (18)
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1

T or F: climate change impacts lakes on only a physical level

F, on a physical, chemical and biological level

2

T or F: lakes are warming slower than air or ocean temperture

F

3

T or F: there is going to be a decline of ice coverage in the northern hemisphere

T

4

T or F: lakes are resistant to mixing

T

5

what does lack of mixing mean for a lake?

lack of nutrient regeneration

6

define nutrification

when phosphorus and nitrogen from farms runs off into lakes, increase in algal blooms and cyanobacteria

7

nutrification increases the amount of ____________-

small fish

8

when there is more small fish in the lake what happens

less zoo plankton and less vegetation, therefore less places for prey to hide!

9

how is methane and nitrous oxide released due to algal blooms

algal blooms dettle down to the bottom, making bacteria have to break the algal bloom, therefore there is less oxygen in the water

10

T or F: permafrost thaw negatively impacts zooplankton diversity

T

11

T or F: zooplankton abundance is increasing due to thaw slumps

T

12

with shifting climate patterns, there is a change in ____-

salinity

13

differences in salinity in lakes changes invertebrate _____-

diversity

14

what was students project

collected core from moon lake, run toxicity test on different zooplankton eggs from different time frames and exposed them to different salinities

15

In the paper by Wissel et al, where was the study done

the great plains

16

In the paper by Wissel et al, what were the methods?

seventy endoheric lakes were sampled for environemntal data and zooplankton

17

In the paper by Wissel et al, how were the zooplankton collected?

using vertical tows

18

what factors will be the most important for zooplnakton due to the effects of global warming? (according to wissel et al)

calcium and salinity