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Annual reports : Gruissan-Narbonne, 2020
Watchpoint
Graphs
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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 Tuesday, October 27th, 2020

Number of days of migration watch : 49
Number of hours of migration watch : 405h20

Number of birds : 138360
Tuesday  2020 07h45-13h30 07h45-13h30 - Duration : 05h45 
Waxing Gibbous (10 days) : Moonrise at 16h31 and moonset at 2h54
Sun : sunrise at 07h17 and sunset at 17h45
Day : dawn at 06h48 and dusk at 18h15
Comments :
07h45-13h30 : Observateur : Florian Escot, Thomas Jonet, Gatien Charbonnier et Jonas Rastoul
 The most significant species
Total
 Show the data Show phenology Common species Red Kite (Milvus milvus)
264
 Show the data Show phenology Common species Hen Harrier (Circus cyaneus)
8
 Show the data Show phenology Common species Eurasian Sparrowhawk (Accipiter nisus)
2479
 Show the data Show phenology Common species Common Buzzard (Buteo buteo)
567
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
632
 Show the data Show phenology Common species Merlin (Falco columbarius)
20
 Show the data Show phenology Common species Stock Dove (Columba oenas)
159
 Show the data Show phenology Common species Common Wood Pigeon (Columba palumbus)
9298
 Show the data Show phenology Common species Woodlark (Lullula arborea)
11
 Show the data Show phenology Common species Eurasian Skylark (Alauda arvensis)
241
 Show the data Show phenology Common species Meadow Pipit (Anthus pratensis)
116
 Show the data Show phenology Common species White Wagtail (Motacilla alba)
274
 Show the data Show phenology Common species Song Thrush (Turdus philomelos)
109
 Show the data Show phenology Common species Mistle Thrush (Turdus viscivorus)
112
 Show the data Show phenology Common species Common Starling (Sturnus vulgaris)
105
 Show the data Show phenology Common species Common Chaffinch (Fringilla coelebs)
13121
 Show the data Show phenology Common species European Goldfinch (Carduelis carduelis)
85
 Show the data Show phenology Common species Common Linnet (Carduelis cannabina)
291
 Show the data Show phenology Common species Common Reed Bunting (Emberiza schoeniclus)
45
  Daily total
1
migrant
+ 1 local
36
migrants
14
migrants
8
migrants
1
migrant
5
migrants
270
migrants
1
migrant
29
migrants
2
migrants
125
migrants
27
migrants
13
migrants
45
migrants
2998
migrants
14
migrants
70
migrants
3
migrants
 Other species
Total
 Show the data Show phenology Common species Pink-backed Pelican (Pelecanus rufescens)
-
 Show the data Common species Griffon Vulture (Gyps fulvus)
-
 Show the data Common species Bonelli's Eagle (Aquila fasciata)
-
 Show the data Common species Green Sandpiper (Tringa ochropus)
1
 Show the data Common species Water Pipit (Anthus spinoletta)
9
 Show the data Common species Eurasian Bullfinch (Pyrrhula pyrrhula)
1
  Daily total
+ 32 local
+ 5 local
+ 2 local
+ 4 local
6
migrants
1
migrant
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