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Annual reports : Gruissan-Narbonne, 2017
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 Monday, July 24th, 2017 until Sunday, October 8th, 2017

Number of days of migration watch : 36
Number of hours of migration watch : 342h41

Number of birds : 94126
Sunday  2017 06h00-16h30 06h00-16h30 - Duration : 10h30 
Waning Gibbous (17 days) : Moonrise at 21h23 and moonset at 10h41
Sun : sunrise at 07h53 and sunset at 19h16
Day : dawn at 07h25 and dusk at 19h44
Comments :
06h00-16h30 : Mathieu Bourgeois, Leïla Benichou, François Loppin, Simone & Pierre Brisseau et Kristin Pollen
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
399
 Show the data Show phenology Common species Black Stork (Ciconia nigra)
210
 Show the data Show phenology Common species White Stork (Ciconia ciconia)
9573
 Show the data Show phenology Common species European Honey Buzzard (Pernis apivorus)
7566
 Show the data Show phenology Common species Red Kite (Milvus milvus)
259
 Show the data Show phenology Common species Short-toed Snake Eagle (Circaetus gallicus)
227
 Show the data Show phenology Common species Western Marsh Harrier (Circus aeruginosus)
721
 Show the data Show phenology Common species Eurasian Sparrowhawk (Accipiter nisus)
3441
 Show the data Show phenology Common species Common Buzzard (Buteo buteo)
242
 Show the data Show phenology Common species Booted Eagle (Aquila pennata)
18
 Show the data Show phenology Common species Osprey (Pandion haliaetus)
58
 Show the data Show phenology Common species Common Kestrel (Falco tinnunculus)
1162
 Show the data Show phenology Common species Merlin (Falco columbarius)
2
 Show the data Show phenology Common species Eurasian Hobby (Falco subbuteo)
73
 Show the data Show phenology Common species unidentified Pigeon (Columba sp.)
2966
 Show the data Show phenology Common species Stock Dove (Columba oenas)
359
 Show the data Show phenology Common species Common Wood Pigeon (Columba palumbus)
942
 Show the data Show phenology Common species Sand Martin (Riparia riparia)
620
 Show the data Show phenology Common species Eurasian Crag Martin (Ptyonoprogne rupestris)
83
 Show the data Show phenology Common species Barn Swallow (Hirundo rustica)
2024
 Show the data Show phenology Common species Common House Martin (Delichon urbicum)
1557
 Show the data Show phenology Common species Tree Pipit (Anthus trivialis)
39
 Show the data Show phenology Common species Meadow Pipit (Anthus pratensis)
4
 Show the data Show phenology Common species Grey Wagtail (Motacilla cinerea)
28
 Show the data Show phenology Common species White Wagtail (Motacilla alba)
39
 Show the data Show phenology Common species Mistle Thrush (Turdus viscivorus)
4
 Show the data Show phenology Common species Common Chaffinch (Fringilla coelebs)
1518
 Show the data Show phenology Common species European Serin (Serinus serinus)
16
 Show the data Show phenology Common species European Goldfinch (Carduelis carduelis)
41
 Show the data Show phenology Common species Common Linnet (Carduelis cannabina)
224
  Daily total
5
migrants
3
migrants
1
migrant
14
migrants
10
migrants
2
migrants
12
migrants
132
migrants
18
migrants
+ 5 reverse migrants
4
migrants
14
migrants
1
migrant
1
migrant
2957
migrants
182
migrants
852
migrants
3
migrants
25
migrants
36
migrants
32
migrants
6
migrants
4
migrants
10
migrants
15
migrants
4
migrants
1235
migrants
1
migrant
1
migrant
10
migrants
 Other species
Total
 Show the data Common species Bonelli's Eagle (Aquila fasciata)
2
 Show the data Common species Willow Warbler (Phylloscopus trochilus)
4
  Daily total
+ 2 local + 1 possibly local
1
migrant
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