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Annual reports : Pointe de Grave, 2018
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 2nd, 2018 until Sunday, May 20th, 2018

Number of days of migration watch : 80
Number of hours of migration watch : 1045h35

Number of birds : 278676
Sunday  2018 06h48-21h40 06h48-21h40 - Duration : 14h52 
Waxing Crescent (5 days) : Moonrise at 11h27 and moonset at 1h46
Sun : sunrise at 06h27 and sunset at 21h34
Day : dawn at 05h52 and dusk at 22h09
Comments :
06h48-21h40 : Observateurs : Patrice Rat, Axelle Denis
 The most significant species
Total
 Show the data Show phenology Common species Little Egret (Egretta garzetta)
462
 Show the data Show phenology Common species Grey Heron (Ardea cinerea)
192
 Show the data Show phenology Common species Purple Heron (Ardea purpurea)
138
 Show the data Show phenology Common species Eurasian Spoonbill (Platalea leucorodia)
2772
 Show the data Show phenology Common species European Honey Buzzard (Pernis apivorus)
216
 Show the data Show phenology Common species Black Kite (Milvus migrans)
993
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
148
 Show the data Show phenology Common species Eurasian Hobby (Falco subbuteo)
192
 Show the data Show phenology Common species Common Black-headed Gull (Chroicocephalus ridib...)
1136
 Show the data Show phenology Common species Eurasian Collared Dove (Streptopelia decaocto)
1337
 Show the data Show phenology Common species European Turtle Dove (Streptopelia turtur)
3819
 Show the data Show phenology Common species Common Swift (Apus apus)
49827
 Show the data Show phenology Common species Sand Martin (Riparia riparia)
10094
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
64156
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
8662
 Show the data Show phenology Common species Tree Pipit (Anthus trivialis)
453
 Show the data Show phenology Common species Yellow Wagtail (Motacilla flava)
933
 Show the data Show phenology Common species Eurasian Golden Oriole (Oriolus oriolus)
142
 Show the data Show phenology Common species European Serin (Serinus serinus)
1079
  Daily total
29
migrants
5
migrants
10
migrants
25
migrants
22
migrants
29
migrants
5
migrants
4
migrants
16
migrants
158
migrants
726
migrants
3414
migrants
105
migrants
287
migrants
241
migrants
8
migrants
138
migrants
29
migrants
2
migrants
 Other species
Total
 Show the data Show phenology Common species Black-crowned Night Heron (Nycticorax nycticora...)
9
 Show the data Show phenology Common species Cattle Egret (Bubulcus ibis)
1276
 Show the data Show phenology Common species White Stork (Ciconia ciconia)
41
 Show the data Show phenology Common species Black-winged Stilt (Himantopus himantopus)
40
 Show the data Show phenology Common species Common Ringed Plover (Charadrius hiaticula)
33
 Show the data Show phenology Common species Northern Lapwing (Vanellus vanellus)
322
 Show the data Show phenology Common species Common Greenshank (Tringa nebularia)
30
 Show the data Show phenology Common species Feral Pigeon (Columba livia f. domestica)
60
 Show the data Show phenology Common species Common Cuckoo (Cuculus canorus)
8
 Show the data Show phenology Common species European Bee-eater (Merops apiaster)
162
 Show the data Show phenology Common species Western Jackdaw (Corvus monedula)
15
  Daily total
5
migrants
22
migrants
1
migrant
6
migrants
12
migrants
3
migrants
13
migrants
2
migrants
2
migrants
2
migrants
1
migrant
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