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Annual reports : Gruissan-Narbonne, 2013
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 Wednesday, July 24th, 2013 until Friday, November 1st, 2013

Number of days of migration watch : 62
Number of hours of migration watch : 618h00

Number of birds : 112367
Sunday  2013 05h10-18h30- Duration : 13h20 
Waning Crescent (25 days) : Moonrise at 3h16 and moonset at 17h54
Sun : sunrise at 07h12 and sunset at 20h22
Day : dawn at 06h43 and dusk at 20h51
 The most significant species
Total
  Show phenology  Purple Heron (Ardea purpurea)
7
  Show phenology  White Stork (Ciconia ciconia)
4015
  Show phenology  European Honey Buzzard (Pernis apivorus)
15173
  Show phenology  Black Kite (Milvus migrans)
1141
  Show phenology  Red Kite (Milvus milvus)
170
  Show phenology  Short-toed Snake Eagle (Circaetus gallicus)
67
  Show phenology  Western Marsh Harrier (Circus aeruginosus)
807
  Show phenology  Montagu's Harrier (Circus pygargus)
162
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
5513
  Show phenology  Osprey (Pandion haliaetus)
56
  Show phenology  Common Kestrel (Falco tinnunculus)
1507
  Show phenology  Eleonora's Falcon (Falco eleonorae)
9
  Show phenology  Common Swift (Apus apus)
14743
  Show phenology  European Bee-eater (Merops apiaster)
3737
  Show phenology  European Roller (Coracias garrulus)
65
  Show phenology  Sand Martin (Riparia riparia)
782
  Show phenology  Barn Swallow (Hirundo rustica)
1700
  Show phenology  Western House Martin (Delichon urbicum)
398
  Show phenology  Tawny Pipit (Anthus campestris)
33
  Show phenology  Western Yellow Wagtail (Motacilla flava)
746
  Show phenology  Northern Wheatear (Oenanthe oenanthe)
1
  Show phenology  Eurasian Golden Oriole (Oriolus oriolus)
8
  Daily total
3
migrants
298
migrants
7123
migrants
24
migrants
1
migrant
+ 1 local
66
migrants
8
migrants
165
migrants
2
migrants + 1 staging
7
migrants
+ 1 staging
29
migrants
291
migrants
2
migrants
31
migrants
19
migrants
1
migrant
3
migrants
16
migrants
+ 1 staging
1
migrant
 Other species
Total
   Black Tern (Chlidonias niger)
1
   Eastern Subalpine Warbler (Curruca cantillans)
-
  Daily total
1
migrant
+ 2 staging
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