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Annual reports : Gruissan-Narbonne, 2021
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 Thursday, July 15th, 2021 until Tuesday, November 9th, 2021

Number of days of migration watch : 56
Number of hours of migration watch : 425h35

Number of birds : 207585
Tuesday  2021 08h00-13h00- Duration : 05h00 
[Display all species]
Waxing Crescent (4 days) : Moonrise at 12h54 and moonset at 21h41
Sun : sunrise at 07h33 and sunset at 17h29
Day : dawn at 07h03 and dusk at 17h59
Comments :
08h00-13h00 : Observateur : Florian Escot
 The most significant species
Total
  Show phenology  Black Stork (Ciconia nigra)
121
  Show phenology  White Stork (Ciconia ciconia)
12605
  Show phenology  Eurasian Spoonbill (Platalea leucorodia)
2
  Show phenology  Red Kite (Milvus milvus)
306
  Show phenology  Eurasian Sparrowhawk (Accipiter nisus)
3442
  Show phenology  Common Buzzard (Buteo buteo)
977
  Show phenology  Osprey (Pandion haliaetus)
56
  Show phenology  Common Crane (Grus grus)
1010
  Show phenology  Eurasian Skylark (Alauda arvensis)
194
  Show phenology  Meadow Pipit (Anthus pratensis)
162
  Show phenology  White Wagtail (Motacilla alba)
478
  Show phenology  Dunnock (Prunella modularis)
12
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
166
  Show phenology  Eurasian Chaffinch (Fringilla coelebs)
45271
  Show phenology  European Greenfinch (Chloris chloris)
105
  Show phenology  European Goldfinch (Carduelis carduelis)
202
  Show phenology  Eurasian Siskin (Spinus spinus)
632
  Show phenology  Common Linnet (Linaria cannabina)
326
  Show phenology  Common Reed Bunting (Emberiza schoeniclus)
65
  Daily total
+ 1 local
+ 42 local
2
migrants
1
migrant
8
migrants
8
migrants
+ 1 local
5
migrants
3
migrants
3
migrants
3
migrants
1
migrant
7
migrants
510
migrants
3
migrants
17
migrants
22
migrants
3
migrants
4
migrants
 Other species
Total
   Crested Lark (Galerida cristata)
-
   Coal Tit (Periparus ater)
8
   unidentified Passerine (Passeriformes sp.)
4236
   Brambling (Fringilla montifringilla)
42
  Daily total
+ 6 local
1
migrant
157
migrants
6
migrants
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