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Table 2 Genotype origin and characteristics

From: Functional genomics of acclimation and adaptation in response to thermal stress in Daphnia

Genotype ID

Pond/Lake

State

Lat °N

Long °W

July °T

Performance at 37°C

      

Timm

SE

M

BW102

Busey Woods

Illinois

40°07′

88°12′

24.0

2.53

0.053

0.50

KSP3

Kickapond

Illinois

40°06′

88°14′

24.0

2.52

0.054

0.28

CHQ3

Chequamegon

Wisconsin

46°19′

90°54′

19.0

1.89

0.069

0.66

EB1

Eloise Butler

Minnesota

44°59′

93°19′

22.2

1.97

0.046

0.82

  1. Average July temperature: long-term average from the nearest weather station.
  2. Time until immobilization in hours (Timm) and mortality (M, loss of heartbeat after 3 hours of exposure) were measured at 37°C in Daphnia acclimauted to 24°C. See [36] for details.