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Annual reports : Gruissan-Narbonne, 2020
Watchpoint
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Bird Reports
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, July 15th, 2020 until Friday, October 16th, 2020

Number of days of migration watch : 46
Number of hours of migration watch : 388h00

Number of birds : 134338
Friday  2020 09h00-16h30 09h00-16h30 - Duration : 07h30 
New (29 days) : Moonrise at 7h14 and moonset at 19h16
Sun : sunrise at 08h03 and sunset at 19h02
Day : dawn at 07h35 and dusk at 19h31
Comments :
09h00-16h30 : Observateur : Mathieu Bourgeois, Mathilde Migault + 4 personnes écrites sur le cahier de migration (à ajouter)
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
413
 Show the data Show phenology Common species Black Stork (Ciconia nigra)
104
 Show the data Show phenology Common species Red Kite (Milvus milvus)
263
 Show the data Show phenology Common species Short-toed Snake Eagle (Circaetus gallicus)
202
 Show the data Show phenology Common species Western Marsh Harrier (Circus aeruginosus)
220
 Show the data Show phenology Common species Hen Harrier (Circus cyaneus)
8
 Show the data Show phenology Common species Eurasian Sparrowhawk (Accipiter nisus)
2406
 Show the data Show phenology Common species Common Buzzard (Buteo buteo)
532
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
597
 Show the data Show phenology Common species Merlin (Falco columbarius)
16
 Show the data Show phenology Common species Stock Dove (Columba oenas)
154
 Show the data Show phenology Common species Common Wood Pigeon (Columba palumbus)
8978
 Show the data Show phenology Common species Eurasian Skylark (Alauda arvensis)
211
 Show the data Show phenology Common species Eurasian Crag Martin (Ptyonoprogne rupestris)
105
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
5107
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
1889
 Show the data Show phenology Common species Meadow Pipit (Anthus pratensis)
111
 Show the data Show phenology Common species Grey Wagtail (Motacilla cinerea)
36
 Show the data Show phenology Common species White Wagtail (Motacilla alba)
138
 Show the data Show phenology Common species Northern Wheatear (Oenanthe oenanthe)
1
 Show the data Show phenology Common species Song Thrush (Turdus philomelos)
82
 Show the data Show phenology Common species Common Chaffinch (Fringilla coelebs)
9993
 Show the data Show phenology Common species European Serin (Serinus serinus)
11
 Show the data Show phenology Common species European Goldfinch (Carduelis carduelis)
63
 Show the data Show phenology Common species Common Linnet (Carduelis cannabina)
221
  Daily total
5
migrants
+ 12 local
33
migrants
4
migrants
3
migrants
2
migrants
133
migrants
115
migrants
41
migrants
2
migrants
40
migrants
188
migrants
13
migrants
11
migrants
11
migrants
13
migrants
66
migrants
3
migrants
14
migrants
1
migrant
1
migrant
2021
migrants
5
migrants
6
migrants
7
migrants
 Other species
Total
 Show the data Common species Griffon Vulture (Gyps fulvus)
-
 Show the data Common species Bonelli's Eagle (Aquila fasciata)
2
 Show the data Show phenology Common species unidentified Martin (Hirundinidae sp.)
9
  Daily total
+ 1 erratic
+ 2 local
1
migrant
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