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Annual reports : Pierre-Aiguille, 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, February 17th, 2021 until Sunday, March 14th, 2021

Number of days of migration watch : 5
Number of hours of migration watch : 37h26

Number of birds : 6481
Sunday  2021 09h00-17h00 09h00-17h00 - Duration : 08h00 
[Display all species]
New (0 day) : Moonrise at 7h45 and moonset at 19h52
Sun : sunrise at 06h53 and sunset at 18h45
Day : dawn at 06h24 and dusk at 19h15
Comments :
09h00-17h00 : Observateurs : R.METAIS, P.METAIS,JF.ROURA, JL et M.TRAVERSIER, M.REBOULET, F.DARONAT, E.BIBOLLET
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
682
 Show the data Show phenology Common species Black Stork (Ciconia nigra)
3
 Show the data Show phenology Common species White Stork (Ciconia ciconia)
1002
 Show the data Show phenology Common species Black Kite (Milvus migrans)
585
 Show the data Show phenology Common species Red Kite (Milvus milvus)
154
 Show the data Show phenology Common species Short-toed Snake Eagle (Circaetus gallicus)
41
 Show the data Show phenology Common species Western Marsh Harrier (Circus aeruginosus)
10
 Show the data Show phenology Common species Eurasian Sparrowhawk (Accipiter nisus)
86
 Show the data Show phenology Common species Common Buzzard (Buteo buteo)
1060
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
1
 Show the data Common species Peregrine Falcon (Falco peregrinus)
2
 Show the data Show phenology Common species Common Crane (Grus grus)
137
 Show the data Show phenology Common species Black-headed Gull (Chroicocephalus ridibundus)
2093
 Show the data Show phenology Common species Lesser Black-backed Gull (Larus fuscus)
18
 Show the data Show phenology Common species Common Wood Pigeon (Columba palumbus)
332
  Daily total
265
migrants
1
migrant
400
migrants
584
migrants
49
migrants
41
migrants
10
migrants
71
migrants
25
migrants
1
migrant
1
migrant
23
migrants
44
migrants
14
migrants
110
migrants
 Other species
Total
 Show the data Common species Northern Raven (Corvus corax)
1
  Daily total
1
migrant
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