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Annual reports : Pierre-Aiguille, 2020
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See cumulative daily totals and phenology graphs
 
Not available. This representation exists with one or all sites, one or all years and a single species.

Comparison of the duration of migration : This graph compares the duration of migration in number of days between different key percentages of migration. It is possible to compare several sites on the same graph.
Not available. This representation exists with one or all sites, one or all years and a single species.

Comparison of migration dates : This graph matches key percentages of migration with calendar days. It is possible to compare several sites in the same graph.
Not available. This representation exists with a single site, all years and a single species.

Interannual trend : This interannual graph represents the evolution between annual totals.
Not available. This representation exists with a single site, one or all years and a single species.

Phenological trend : This graph represents the evolution of the percentage of migration. Key percentages are indicated by vertical red bars.
Not available. This representation exists with a single site, all years and a single species.

Daily evolution : This interannual graph represents the trend of dates and key percentages of migration.
Not available. This representation exists with a single site, one or all years and a single species.

Totals by hour : This graph represents the distribution of the total number of birds by hour. When a specific year is chosen, the average of all the years of the migration watch is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Seasonal phenology : This graph represents the distribution of the daily passage total (the decadary total is symbolized by red bars). If a specific year is selected, the average of all years is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Relative migration : This graph represents the distribution in daily percentage of migration (percentage by decade being symbolized by red bars). If a specific year is chosen, the average of all years is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Seasonal phenology (decade) : This graph represents the migration total by decade. If a specific year is selected, the average of all years of the migration survey is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Hourly mean per decade : This graph shows the mean number of migrants per hour over ten-day periods. When a specific year is selected, the mean number of migrants calculated over all years of record is depicted in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Seasonal phenology (5-day period) : This graph shows the numbers of migratory individuals over 5-day periods. If a specific year is selected, the average of all years is shown in grey.
Not available. This representation exists with a single site, one or all years and a single species.

Hourly mean per 5-day period : This graph shows the mean number of individuals per hour over 5-day periods. When a specific year is selected, the mean number of migrants calculated over all years of record is shown in grey.
Available. This representation exists with a single site, a single year and all the species.

Summary table : This graph represents the seasonal totals as well as the latest totals of the migration watch. The upper table represents the most significant species for the watchpoint.
Available. This representation exists with a single site, a single year and all the species.

Migration synthesis : This graph is representing migration periods for each species at the site in a given year
Available. This representation exists with one or all sites, one or all years and all the species.

Observation effort : This table shows the observer pressure at the watchpoint for all years or day by day for a selected year.
Not available. This representation exists with all sites combined, one or all years and a single species.

Distribution Map : This map shows the relative importance of the watchpoints for a selected species. The dots represent the number of individuals per season.

Period : from Friday, February 7th, 2020 until Saturday, March 14th, 2020

Number of days of migration watch : 19
Number of hours of migration watch : 142h55

Number of birds : 42287
Saturday  2020 07h45-18h45- Duration : 11h00 
Waning Gibbous (19 days) : Moonrise at 0h16 and moonset at 9h47
Sun : sunrise at 06h53 and sunset at 18h46
Day : dawn at 06h23 and dusk at 19h15
Comments :
07h45-18h45 : Observateurs : R.METAIS, O.CAPARROS, B.DELHOME, JL.TRAVERSIER, M.REBOULET, Morgane et David + Groupe Diois. (+30 observateurs)
 The most significant species
Total
  Show phenology  Great Cormorant (Phalacrocorax carbo)
7182
  Show phenology  Grey Heron (Ardea cinerea)
66
  Show phenology  Black Stork (Ciconia nigra)
11
  Show phenology  White Stork (Ciconia ciconia)
3903
  Show phenology  Black Kite (Milvus migrans)
1262
  Show phenology  Red Kite (Milvus milvus)
407
  Show phenology  Short-toed Snake Eagle (Circaetus gallicus)
33
  Show phenology  Western Marsh Harrier (Circus aeruginosus)
7
  Show phenology  Hen Harrier (Circus cyaneus)
1
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
367
  Show phenology  Common Buzzard (Buteo buteo)
1994
  Show phenology  Osprey (Pandion haliaetus)
6
  Show phenology  Common Kestrel (Falco tinnunculus)
46
   Merlin (Falco columbarius)
2
  Show phenology  Peregrine Falcon (Falco peregrinus)
6
  Show phenology  Black-headed Gull (Chroicocephalus ridibundus)
9801
  Show phenology  Lesser Black-backed Gull (Larus fuscus)
887
  Show phenology  Stock Dove (Columba oenas)
53
  Show phenology  Common Wood Pigeon (Columba palumbus)
4983
  Show phenology  Alpine Swift (Apus melba)
12
  Show phenology  Woodlark (Lullula arborea)
6
  Show phenology  White Wagtail (Motacilla alba)
68
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
460
  Show phenology  Common Starling (Sturnus vulgaris)
916
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
5449
  Daily total
1937
migrants
3
migrants
4
migrants
16
migrants
502
migrants
46
migrants
16
migrants
3
migrants
1
migrant
123
migrants
41
migrants
4
migrants
17
migrants
1
migrant
1
migrant
891
migrants
235
migrants
3
migrants
872
migrants
6
migrants
4
migrants
59
migrants
20
migrants
9
migrants
1551
migrants
 Other species
Total
   unidentified raptor (Falconiformes sp.)
1
   Meadow Pipit (Anthus pratensis)
18
   Western Yellow Wagtail (Motacilla flava)
1
   European Robin (Erithacus rubecula)
1
   Song Thrush (Turdus philomelos)
19
   Finch, unidentified (Fringillidae sp.)
3
   Brambling (Fringilla montifringilla)
31
   European Serin (Serinus serinus)
9
   Citril Finch (Carduelis citrinella)
1
   European Goldfinch (Carduelis carduelis)
3
   Red Crossbill (Loxia curvirostra)
8
   Hawfinch (Coccothraustes coccothraustes)
2
  Daily total
1
migrant
3
migrants
1
migrant
1
migrant
19
migrants
3
migrants
6
migrants
6
migrants
1
migrant
1
migrant
3
migrants
2
migrants
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