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Annual reports : Brassoir, 2021
Watchpoint
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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 Wednesday, August 4th, 2021 until Wednesday, November 24th, 2021

Number of days of migration watch : 94
Number of hours of migration watch : 632h10

Number of birds : 335639
Wednesday  2021 09h00-13h00- Duration : 04h00 
[Display all species]
Waning Gibbous (19 days) : Moonrise at 20h47 and moonset at 12h47
Sun : sunrise at 08h13 and sunset at 16h56
Day : dawn at 07h37 and dusk at 17h32
Comments :
09h00-13h00 : Brouillard jusqu'à 11h30 puis belles éclaircies vent NE force 3 à 4 observateurs : PC 8h-13h, HL 9h-13h FIN DE SAISON 2021 EN APOTHEOSE AVEC UNE NOUVELLE ESPECE POUR LE SITE
 The most significant species
Total
  Show phenology  Great Egret (Casmerodius albus)
59
  Show phenology  Grey Heron (Ardea cinerea)
82
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
80
  Show phenology  European Golden Plover (Pluvialis apricaria)
1804
  Show phenology  Common Wood Pigeon (Columba palumbus)
198834
  Show phenology  Meadow Pipit (Anthus pratensis)
10047
  Show phenology  White Wagtail (Motacilla alba)
2688
  Show phenology  Fieldfare (Turdus pilaris)
1163
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
33192
  Show phenology  Brambling (Fringilla montifringilla)
1729
  Daily total
+ 1 staging
+ 1 local
2
migrants
1
migrant
+ 2714 staging
+ 8 staging
+ 4 staging
+ 1 staging
+ 55 staging
+ 5 staging
 Other species
Total
   Rough-legged Buzzard (Buteo lagopus)
-
  Daily total
+ 1 staging
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