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Annual reports : Digue d'Antifer, 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 Thursday, November 1st, 2018 until Thursday, November 1st, 2018

Number of days of migration watch : 1
Number of hours of migration watch : 06h00

Number of birds : 502
Thursday  2018 07h15-13h15- Duration : 06h00 
[Display all species]
Last Quarter (22 days) : No moonset, moonrise at 15h10
Sun : sunrise at 07h49 and sunset at 17h37
Day : dawn at 07h15 and dusk at 18h10
Comments :
07h15-13h15 : Marc DUVILLA (LPO-Normandie), BERNARD Hélène, DUVILLA Nicole; FRODELLO Anne-Laure, GREGE Richard, GREGE Guillaume, TESSIER Denis, ROUX Joëlle
 The most significant species
Total
  Show phenology  Brant Goose (Branta bernicla)
3
  Show phenology  Eurasian Wigeon (Mareca penelope)
1
  Show phenology  Northern Shoveler (Spatula clypeata)
11
  Show phenology  Black Scoter (Melanitta nigra)
17
  Show phenology  Red-throated Loon (Gavia stellata)
7
  Show phenology  Black-throated Loon (Gavia arctica)
1
  Show phenology  Great Crested Grebe (Podiceps cristatus)
3
  Show phenology  Northern Gannet (Morus bassanus)
72
  Show phenology  large unidentified wader (Charadriiformes sp.)
11
  Show phenology  Mediterranean Gull (Ichthyaetus melanocephalus)
97
  Show phenology  Little Gull (Hydrocoloeus minutus)
85
  Show phenology  Black-headed Gull (Chroicocephalus ridibundus)
33
  Show phenology  Common Gull (Larus canus)
7
  Show phenology  Lesser Black-backed Gull (Larus fuscus)
17
  Show phenology  Black-legged Kittiwake (Rissa tridactyla)
51
  Show phenology  Sandwich Tern (Sterna sandvicensis)
1
  Show phenology  Common Murre (Uria aalge)
2
  Show phenology  Razorbill (Alca torda)
16
  Show phenology  Razorbill / Common Murre (Uria aalge / Alca tor...)
14
  Show phenology  Eurasian Skylark (Alauda arvensis)
2
  Show phenology  Meadow Pipit (Anthus pratensis)
1
  Show phenology  Eurasian Rock Pipit (Anthus petrosus)
2
  Show phenology  Common Starling (Sturnus vulgaris)
44
  Show phenology  unidentified Passerine (Passeriformes sp.)
1
  Daily total
3
migrants
1
migrant
11
migrants
17
migrants
7
migrants
1
migrant
3
migrants
72
migrants
11
migrants
97
migrants
85
migrants
33
migrants
7
migrants
17
migrants
51
migrants
1
migrant
2
migrants
16
migrants
14
migrants
2
migrants
1
migrant
2
migrants
44
migrants
1
migrant
 Other species
Total
   Merlin (Falco columbarius)
1
   Yellow-legged Gull (Larus michahellis)
2
  Daily total
1
migrant
2
migrants
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