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Annual reports : Crêt des Roches, 2018
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 Sunday, July 15th, 2018 until Sunday, November 18th, 2018

Number of days of migration watch : 109
Number of hours of migration watch : 715h13

Number of birds : 542096
Sunday  2018 08h15-14h59 08h15-14h59 - Duration : 06h38 
Waxing Gibbous (10 days) : Moonrise at 15h07 and moonset at 1h52
Sun : sunrise at 07h42 and sunset at 16h54
Day : dawn at 07h08 and dusk at 17h27
Comments :
08h15-08h59 : Couverture 5/8; Visibilité < 7 km; vent NE 2 m/s; - 1,5°C,09h00-09h59 : Couverture 5/8; Visibilité < 7 km; vent NE 5,8 m/s; - 0,9°C,10h00-10h59 : Couverture 6/8; Visibilité < 8 km; vent NE 2,8 m/s; - 0,1°C,11h00-11h59 : Couverture 5/8; Visibilité < 10 km; vent NE 2,9 m/s; - 0,4°C,12h00-12h59 : Couverture 7/8; Visibilité < 12 km; vent NE 3,1 m/s; 4,1°C,13h00-13h59 : Couverture 6/8; Visibilité < 12 km; vent NE 5 m/s; 4,8°C,14h00-14h59 : Couverture 6/8; Visibilité < 12 km; vent NE 2,7 m/s; 3,5°C
 The most significant species
Total
 Show the data Show phenology Common species Great Cormorant (Phalacrocorax carbo)
3512
 Show the data Show phenology Common species Red Kite (Milvus milvus)
3203
 Show the data Show phenology Common species Hen Harrier (Circus cyaneus)
16
 Show the data Show phenology Common species Eurasian Sparrowhawk (Accipiter nisus)
217
 Show the data Show phenology Common species Common Buzzard (Buteo buteo)
1348
 Show the data Show phenology Common species Stock Dove (Columba oenas)
1564
 Show the data Show phenology Common species Common Wood Pigeon (Columba palumbus)
439629
 Show the data Show phenology Common species Eurasian Skylark (Alauda arvensis)
2254
 Show the data Show phenology Common species Rook (Corvus frugilegus)
512
 Show the data Show phenology Common species unidentified Passerine (Passeriformes sp.)
17693
 Show the data Show phenology Common species Common Chaffinch (Fringilla coelebs)
22979
 Show the data Show phenology Common species European Serin (Serinus serinus)
64
 Show the data Show phenology Common species Eurasian Siskin (Carduelis spinus)
1663
 Show the data Show phenology Common species Hawfinch (Coccothraustes coccothraustes)
1711
  Daily total
57
migrants
82
migrants
1
migrant
1
migrant
135
migrants
2
migrants
82
migrants
3
migrants
19
migrants
15
migrants
27
migrants
1
migrant
13
migrants
10
migrants
 Other species
Total
 Show the data Common species Egyptian Goose (Alopochen aegyptiaca)
11
 Show the data Common species Peregrine Falcon (Falco peregrinus)
1
 Show the data Common species Black-headed Gull (Chroicocephalus ridibundus)
28
 Show the data Common species Long-tailed Tit (Aegithalos caudatus)
14
 Show the data Common species Chaffinch / Brambling (Fringilla coelebs / mont...)
65
  Daily total
11
migrants
1
migrant
1
migrant
+ 5 erratic
65
migrants
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