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Annual reports : Les boucles de la Marne, 2021
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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 Saturday, February 13th, 2021 until Thursday, April 8th, 2021

Number of days of migration watch : 13
Number of hours of migration watch : 59h05

Number of birds : 28855
Thursday  2021 08h00-16h00 08h00-16h00 - Duration : 08h00 
Waning Crescent (25 days) : Moonrise at 6h23 and moonset at 16h30
Sun : sunrise at 07h09 and sunset at 20h29
Day : dawn at 06h36 and dusk at 21h02
Comments :
08h00-16h00 : Observateur : A.KITA, R.JUGIEUX
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
440
 Show the data Show phenology Common species Meadow Pipit (Anthus pratensis)
448
 Show the data Show phenology Common species Fieldfare (Turdus pilaris)
25
  Daily total
178
migrants
280
migrants
9
migrants
 Other species
Total
 Show the data Common species Western Cattle Egret (Bubulcus ibis)
1
 Show the data Common species Great Egret (Casmerodius albus)
30
 Show the data Common species Black Stork (Ciconia nigra)
2
 Show the data Common species Western Marsh Harrier (Circus aeruginosus)
18
 Show the data Common species Osprey (Pandion haliaetus)
2
 Show the data Common species Green Sandpiper (Tringa ochropus)
1
 Show the data Common species Sand Martin (Riparia riparia)
2
 Show the data Common species Barn Swallow (Hirundo rustica)
28
 Show the data Common species Common House Martin (Delichon urbicum)
12
 Show the data Common species Western Yellow Wagtail (Motacilla flava)
35
 Show the data Common species Ring Ouzel (Turdus torquatus)
1
  Daily total
1
migrant
27
migrants
2
migrants
11
migrants
2
migrants
1
migrant
2
migrants
28
migrants
12
migrants
35
migrants
1
migrant
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