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Annual reports : Col du Markstein - Trehkopf, 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 Monday, September 13th, 2021 until Sunday, November 21st, 2021

Number of days of migration watch : 25
Number of hours of migration watch : 112h15

Number of birds : 148941
Sunday  2021 07h30-12h00- Duration : 04h30 
Waning Gibbous (16 days) : Moonrise at 17h59 and moonset at 9h52
Sun : sunrise at 07h47 and sunset at 16h48
Day : dawn at 07h13 and dusk at 17h22
Comments :
07h30-12h00 : À 7:30, ciel dégagé mais brume épaisse en plaine, au-dessous de 600 m. Alpes visibles, +3°C. Vent WSW ~20 km/h (15 à 35 km/h) ; il faiblit progressivement jusqu'à ~10 km/h en fin de séance. 4°C à 10:30 .Vers 11h, la brume a atteint ~ le niveau des 800 à 900 m. 21 esp. dont 15 migratrices. L. Bories, A. Stoffer, P. Meyer, V. Jante
 The most significant species
Total
  Show phenology  Eurasian Skylark (Alauda arvensis)
626
  Show phenology  Meadow Pipit (Anthus pratensis)
552
  Show phenology  unidentified Thrush (Turdus sp.)
593
  Show phenology  Black Redstart (Phoenicurus ochruros)
162
  Show phenology  Common Blackbird (Turdus merula)
904
  Show phenology  Fieldfare (Turdus pilaris)
767
  Show phenology  Redwing (Turdus iliacus)
1009
  Show phenology  Goldcrest (Regulus regulus)
6
  Show phenology  Coal Tit (Periparus ater)
1005
  Show phenology  Eurasian Blue Tit (Cyanistes caeruleus)
475
  Show phenology  Common Starling (Sturnus vulgaris)
2012
  Show phenology  unidentified Passerine (Passeriformes sp.)
514
  Show phenology  Common Chaffinch / Brambling (Fringilla coelebs...)
4605
  Show phenology  Common Chaffinch (Fringilla coelebs)
61965
  Show phenology  Brambling (Fringilla montifringilla)
46202
  Show phenology  European Serin (Serinus serinus)
278
  Show phenology  Eurasian Siskin (Carduelis spinus)
11636
  Show phenology  Eurasian Bullfinch (Pyrrhula pyrrhula)
99
  Show phenology  Common Reed Bunting (Emberiza schoeniclus)
86
  Daily total
7
migrants
7
migrants
3
migrants
1
migrant
7
migrants
108
migrants
2
migrants
+ 2 not going through
3
migrants
1
migrant
11
migrants
18
migrants
8
migrants
72
migrants
92
migrants
1
migrant
33
migrants
1
migrant
1
migrant
 Other species
Total
  Show phenology  Common Buzzard (Buteo buteo)
33
  Show phenology  Common Kestrel (Falco tinnunculus)
18
  Show phenology  Carrion Crow (Corvus corone)
-
  Show phenology  Northern Raven (Corvus corax)
-
  Daily total
+ 1 local
+ 1 local
+ 7 local
+ 1 local
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