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Biodiversity in Canadian Lakes and Rivers

Appendix 1

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Appendix 1a: Summary of ecozone+ trends in Indicators of Hydrologic Alteration (IHA) variables.
IHA
Variable
Trend
Direction
Atlantic
Maritimes
Boreal
Shield
Boreal
Plaiins
Boreal
Cordillera
Hudson
Plains
Mixedwood
Plains
Montane
Cordillera
Newfoundland
Boreal
Northerne
Arctic
Pacific
Maritime
PrairieSouthern
Arctic
Taiga
Cordillera
Taiga
Plains
Taiga
Shield
Western
Interior
Basin
Number
of sites:
-3431692527122114311168
October↓ p < 0.10200000000030120
October↑ p < 0.14520002000000000
OctoberNo trend3024492525122114011048
November↓ p < 0.12101100001021420
November↑ p < 0.10320000000000100
NovemberNo trend322748152712210410648
December↓ p < 0.10615101001021713
December↑ p < 0.12420001000000110
DecemberNo trend322134152512210410345
January↓ p < 0.10514121003011724
January↑ p < 0.14620001000000100
JanuaryNo trend30203513251228420344
February↓ p < 0.10414002001021720
February↑ p < 0.14520002001000100
FebruaryNo trend30223525231229410348
March↓ p < 0.10303003000021711
March↑ p < 0.10310000000000100
MarchNo trend342556252412211410357

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Appendix 1b. Summary of ecozone+ trends in Indicators of Hydrologic Alteration (IHA) variables.
IHA
Variable
Trend
Direction
Atlantic
Maritimes
Boreal
Shield
Boreal
Plaiins
Boreal
Cordillera
Hudson
Plains
Mixedwood
Plains
Montane
Cordillera
Newfoundland
Boreal
Northerne
Arctic
Pacific
Maritime
PrairieSouthern
Arctic
Taiga
Cordillera
Taiga
Plains
Taiga
Shield
Western
Interior
Basin
April↓ p < 0.175051010003321517
April↑ p < 0.10400020000000000
AprilNo trend27226413171228110651
May↓ p < 0.10000001002010000
May↑ p < 0.119720013003200010
MayNo trend152449242312262211158
June↓ p < 0.10302001002010010
June↑ p < 0.117712000003000002
JuneNo trend172155252612264211156
July↓ p < 0.10411001000020020
July↑ p < 0.19411001005000001
JulyNo trend252347252512264111147
August↓ p < 0.10111000000020120
August↑ p < 0.1191012004004100101
AugustNo trend15204625231227311947
September↓ p < 0.10101000001021130
September↑ p < 0.18910012007000102
SeptemberNo trend26215824251223410936

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Appendix 1c. Summary of ecozone+ trends in Indicators of Hydrologic Alteration (IHA) variables.
IHA
Variable
Trend
Direction
Atlantic
Maritimes
Boreal
Shield
Boreal
Plaiins
Boreal
Cordillera
Hudson
Plains
Mixedwood
Plains
Montane
Cordillera
Newfoundland
Boreal
Northerne
Arctic
Pacific
Maritime
PrairieSouthern
Arctic
Taiga
Cordillera
Taiga
Plains
Taiga
Shield
Western
Interior
Basin
1-day
minimum
↓ p < 0.10403003000021621
1-day
minimum
↑ p < 0.120910004005000100
1-day
minimum
No trend14185625201226410447
3-day
minimum
↓ p < 0.10403004000021621
3-day
minimum
↑ p < 0.121910003005000000
3-day
minimum
No trend13185625201226410547
7-day
minimum
↓ p < 0.10413004000021621
7-day
minimum
↑ p < 0.121920002003000001
7-day
minimum
No trend13183625211228410546
30-day
minimum
↓ p < 0.10414004002021621
30-day
minimum
↑ p < 0.118910012003000100
30-day
minimum
No trend16184524211226410447
90-day
minimum
↓ p < 0.10314102001021724
90-day
minimum
↑ p < 0.121510001006000100
90-day
minimum
No trend13234515241224410344
Baseflow↓ p < 0.10104016000021501
Baseflow↑ p < 0.110411001005000010
BaseflowNo trend24265424201226410657
1-day
maximum
↓ p < 0.12201100001010030
1-day
maximum
↑ p < 0.14822054000100202
1-day
maximum
No trend282146102312210321936
3-day
maximum
↓ p < 0.10201100002010030
3-day
maximum
↑ p < 0.15921053000100103
3-day
maximum
No trend292047102412293211035
7-day
maximum
↓ p < 0.10201100003010030
7-day
maximum
↑ p < 0.161020053000000103
7-day
maximum
No trend281948102412284211035
30-day
maximum
↓ p < 0.10201100001010030
30-day
maximum
↑ p < 0.151221051000000100
30-day
maximum
No trend2917471026122104211038
90-day
maximum
↑ p < 0.10201001002020030
90-day
maximum
↓ p < 0.17921020000100001
90-day
maximum
No trend272047232612293111137
Date of
1-day
minimum
↓ p < 0.19501101000011152
Date of
1-day
minimum
↑ p < 0.10212002012020200
Date of
1-day
minimum
No trend25245615241219400816
Date of
1-day
maximum
↓ p < 0.13110000001010300
Date of
1-day
maximum
↑ p < 0.14302023001000003
Date of
1-day
maximum
No trend27275723241229421865

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Appendix 1d. Summary of ecozone+ trends in Indicators of Hydrologic Alteration (IHA) variables.
IHA
Variable
Trend
Direction
Atlantic
Maritimes
Boreal
Shield
Boreal
Plaiins
Boreal
Cordillera
Hudson
Plains
Mixedwood
Plains
Montane
Cordillera
Newfoundland
Boreal
Northerne
Arctic
Pacific
Maritime
PrairieSouthern
Arctic
Taiga
Cordillera
Taiga
Plains
Taiga
Shield
Western
Interior
Basin
Number
of low
pulses
↓ p < 0.16201015000000000
Number
of low
pulses
↑ p < 0.11010011000000000
Number
of low
pulses
No trend2729582321122114311168
Low pulse
duration
↓ p < 0.17100001000000110
Low pulse
duration
↑ p < 0.10413104001021700
Low pulse
duration
No trend272656152212210410358
Number
of high
pulses
↓ p < 0.10110002001000002
Number
of high
pulses
↑ p < 0.15510100000000000
Number
of high
pulses
No trend2925491525122104311166
High pulse
duration
↓ p < 0.11200020000020200
High pulse
duration
↑ p < 0.13010002012000101
High pulse
duration
No trend30295923251219411867
Rise rate↓ p < 0.10014101003020002
Rise rate↑ p < 0.111831105010000510
Rise rateNo trend23232405211218411656
Fall rate↓ p < 0.110514102001000100
Fall rate↑ p < 0.10000121012000201
Fall rateNo trend24265503241218431867
Number
of
reversals
↓ p < 0.178111213012011923
Number
of
reversals
↑ p < 0.14404101000100002
Number
of
reversals
No trend23195403131219320243

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