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Annual reports : Pointe de Grave, 2019
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 Friday, March 1st, 2019 until Wednesday, May 29th, 2019

Number of days of migration watch : 90
Number of hours of migration watch : 1148h43

Number of birds : 430851
Wednesday  2019 06h38-14h15 06h38-14h15 - Duration : 07h37 
Waning Crescent (25 days) : Moonrise at 4h14 and moonset at 16h18
Sun : sunrise at 06h20 and sunset at 21h43
Day : dawn at 05h43 and dusk at 22h19
Comments :
06h38-14h15 : Observateurs : Joris Duval-De Coster, Pierre Migaud, Mathilde Colombat, Jean-Paul Urcun, Corinne Jacquemay.
 The most significant species
Total
 Show the data Show phenology Common species Little Egret (Egretta garzetta)
765
 Show the data Show phenology Common species Grey Heron (Ardea cinerea)
334
 Show the data Show phenology Common species Black Kite (Milvus migrans)
1343
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
381
 Show the data Show phenology Common species Eurasian Hobby (Falco subbuteo)
180
 Show the data Show phenology Common species Sandwich Tern (Sterna sandvicensis)
149
 Show the data Show phenology Common species Eurasian Collared Dove (Streptopelia decaocto)
2852
 Show the data Show phenology Common species European Turtle Dove (Streptopelia turtur)
9197
 Show the data Show phenology Common species Common Swift (Apus apus)
98659
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
77809
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
13595
 Show the data Show phenology Common species Tree Pipit (Anthus trivialis)
1703
 Show the data Show phenology Common species Western Yellow Wagtail (Motacilla flava)
1518
 Show the data Show phenology Common species Eurasian Golden Oriole (Oriolus oriolus)
378
 Show the data Show phenology Common species European Serin (Serinus serinus)
1480
 Show the data Show phenology Common species European Goldfinch (Carduelis carduelis)
20863
  Daily total
5
migrants + 1 reverse migrant
+ 4 possible migrants
1
migrant + 1 local
1
migrant
3
migrants + 1 local
+ 2 local
20
migrants
6
migrants + 1 not going through
5
migrants
14
migrants
1
migrant
2
migrants
3
migrants
1
migrant
5
migrants
4
migrants
 Other species
Total
 Show the data Show phenology Common species Western Cattle Egret (Bubulcus ibis)
1348
 Show the data Show phenology Common species Common Ringed Plover (Charadrius hiaticula)
437
 Show the data Show phenology Common species Grey Plover (Pluvialis squatarola)
108
 Show the data Show phenology Common species Sanderling (Calidris alba)
136
  Daily total
4
migrants
+ 2 not going through
+ 2 staging
+ 30 staging
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