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Övervakning av fåglarnas populationsutveckling : årsrapport för 2017

Green, Martin LU ; Haas, Fredrik LU and Lindström, Åke LU orcid (2018)
Abstract
We present the results of the Swedish Bird Survey, run by the Department of Biology, Lund University, as a part of the National Monitoring Programme of the Swedish Environmental Protection Agency. The results for 2017 include data from: 575 winter point counts in 2016/2017 (42nd winter), of which 284 were carried out during the Christmas/New Year count, 223 summer point count routes (43rd year) and 542 Fixed routes (22nd year). In the programme for covering night-active birds (8th season), 147 routes were covered on up to three occasions each (March, April and June). The monitoring systems for wetland birds and archipelago birds that were launched in 2015 continued in 2017. As many as 329 wetland routes and 197 archipelago squares of 2 x 2... (More)
We present the results of the Swedish Bird Survey, run by the Department of Biology, Lund University, as a part of the National Monitoring Programme of the Swedish Environmental Protection Agency. The results for 2017 include data from: 575 winter point counts in 2016/2017 (42nd winter), of which 284 were carried out during the Christmas/New Year count, 223 summer point count routes (43rd year) and 542 Fixed routes (22nd year). In the programme for covering night-active birds (8th season), 147 routes were covered on up to three occasions each (March, April and June). The monitoring systems for wetland birds and archipelago birds that were launched in 2015 continued in 2017. As many as 329 wetland routes and 197 archipelago squares of 2 x 2 km2 were surveyed. Population trends were analyzed using TRIM and trends for 208 different bird species are presented, as well as the geographical distributions of the covered routes. Larger mammals are counted on the Night routes and the Fixed routes since 2010 and 2011 respectively, and we present short-term trends for 12 mammal species based on these two systems. In the Christmas/New Year count 2016/2017, 144,000 individuals of 129 species were counted by 225 observers. On the point count routes in summer 2017, 84,000 birds of 213 species were counted by 136 observers. From the Fixed routes 152,000 birds of 221 species were reported by 246 persons. The Night routes yielded a little more than 12,000 birds of 44 species, counted by 126 observers. Trend graphs for a large number of species are presented in Figs. 24–26. More graphs and indices can be found on the homepage (address below). More than 8900 mammals were counted (all surveys together), the most common being Roe Deer, Fallow Deer, European Hare, Wild Boar, Red Fox and Moose. Almost 65,000 birds of 99 selected species were counted in different forms of wet habitats. Within the system for archipelago birds, a little less than 95 000 birds of 72 selected species were registered in 2017. Over the last 10 years, the most pronounced declines are found in Ortolan Bunting, Greenfinch, Hazel Grouse, Lesser Whitethroat, Great Black-backed Gull, Whimbrel, Black Grouse, Pheasant, Yellowhammer and Willow Tit. The strongest increases during the same period are found in Common redpoll (spp. cabaret), Ptarmigan, Chiffchaff (spp. collybita), Nutcracker, Kestrel, Goldfinch, Lesser Black-backed Gull, Yellow Wagtail (spp. flava) and Hawfinch. For the first time we present trends from the new schemes on wetlands and archipelago birds. Based on these schemes we can now follow yet more species with systematic counts. (Less)
Abstract (Swedish)
I denna rapport redovisas populationstrender för 208 svenska fågelarter för olika långa tidsperioder. Fåglarna har räknats vinter, vår och sommar enligt strikt standardiserade metoder. Sommarrespektive vinterpunktrutter har räknats sedan 1975, i huvudsak i södra Sverige. Standardrutterna räknas också på sommaren (sedan 1996) men täcker hela Sverige på ett representativt sätt. Nattaktiva fåglar har räknats sedan 2010. Utöver detta räknas större däggdjur både på standardrutterna (sedan 2011) och på nattrutterna. Sedan 2015 räknas fåglar i ytterligare två program; Sjöfågeltaxeringen (drivs tillsammans med SOF-BirdLife Sverige) som riktar in sig på fåglar knutna till blöta miljöer både i inlandet och längs kusten, samt Kustfågelövervakningen... (More)
I denna rapport redovisas populationstrender för 208 svenska fågelarter för olika långa tidsperioder. Fåglarna har räknats vinter, vår och sommar enligt strikt standardiserade metoder. Sommarrespektive vinterpunktrutter har räknats sedan 1975, i huvudsak i södra Sverige. Standardrutterna räknas också på sommaren (sedan 1996) men täcker hela Sverige på ett representativt sätt. Nattaktiva fåglar har räknats sedan 2010. Utöver detta räknas större däggdjur både på standardrutterna (sedan 2011) och på nattrutterna. Sedan 2015 räknas fåglar i ytterligare två program; Sjöfågeltaxeringen (drivs tillsammans med SOF-BirdLife Sverige) som riktar in sig på fåglar knutna till blöta miljöer både i inlandet och längs kusten, samt Kustfågelövervakningen där sjöfåglar i skärgården räknas inom 200 fasta rutor om 2 x 2 km2 . I båda fallen genomförs inventeringarna under häckningstid. Vintern 2016/2017 räknades 144 000 fåglar av 129 arter på 284 rutter. Sommaren 2017 räknades 84 000 fåglar av 213 arter på 223 punktrutter och 152 000 fåglar av 221 arter på 542 standardrutter. Inom nattfågeltaxeringen inventerades 147 rutter vid upp till tre tillfällen (mars, april och juni) under 2017. Totalt inräknades drygt 11 800 fåglar av 44 arter på nattrutterna. På standardrutternas linjer räknades 1789 däggdjur av 17 arter och på nattrutterna sågs 7129 däggdjur av 22 arter. Inom Sjöfågeltaxeringen räknades knappt 65 000 fågelindivider av 99 utvalda arter, och inom Kustfågelövervakningen bokfördes nästan 95 000 fåglar av 72 utvalda arter. Över de senaste 10 åren uppvisar följande tio arter de kraftigaste statistiskt säkerställda minskningarna på standardrutterna: ortolansparv, grönfink, järpe, ärtsångare, havstrut, småspov, orre, fasan, gulsparv och talltita, från -15,9 % per år hos ortolansparven till -3,8 % per år hos talltitan. De arter/underarter som ökat mest är sydlig gråsiska, fjällripa, sydlig gransångare, nötkråka, tornfalk, steglits, sidensvans, silltrut, sydlig gulärla och stenknäck. De har ökat med från 28,3 % per år hos sydlig gråsiska till 6,6 % per år för stenknäck. I årets rapport visar vi för första gången trender (över 3 år) från Sjöfågeltaxeringen och Kustfågelövervakningen. Med dessa system har vi rejält förstärkt övervakningen av fåglar i blöta miljöer och kan därmed följa ytterligare ett antal av Sveriges fågelarter med systematiska räkningar. (Less)
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alternative title
Monitoring population changes of birds in Sweden. Annual report for 2017.
publishing date
type
Book/Report
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published
subject
pages
95 pages
publisher
Biologiska institutionen, Lunds universitet
project
Swedish bird monitoring
language
Swedish
LU publication?
yes
id
a3bfeb28-fa12-483d-9315-75e23eab85e4
date added to LUP
2018-12-14 17:19:44
date last changed
2021-11-03 17:33:09
@techreport{a3bfeb28-fa12-483d-9315-75e23eab85e4,
  abstract     = {We present the results of the Swedish Bird Survey, run by the Department of Biology, Lund University, as a part of the National Monitoring Programme of the Swedish Environmental Protection Agency. The results for 2017 include data from: 575 winter point counts in 2016/2017 (42nd winter), of which 284 were carried out during the Christmas/New Year count, 223 summer point count routes (43rd year) and 542 Fixed routes (22nd year). In the programme for covering night-active birds (8th season), 147 routes were covered on up to three occasions each (March, April and June). The monitoring systems for wetland birds and archipelago birds that were launched in 2015 continued in 2017. As many as 329 wetland routes and 197 archipelago squares of 2 x 2 km2 were surveyed. Population trends were analyzed using TRIM and trends for 208 different bird species are presented, as well as the geographical distributions of the covered routes. Larger mammals are counted on the Night routes and the Fixed routes since 2010 and 2011 respectively, and we present short-term trends for 12 mammal species based on these two systems. In the Christmas/New Year count 2016/2017, 144,000 individuals of 129 species were counted by 225 observers. On the point count routes in summer 2017, 84,000 birds of 213 species were counted by 136 observers. From the Fixed routes 152,000 birds of 221 species were reported by 246 persons. The Night routes yielded a little more than 12,000 birds of 44 species, counted by 126 observers. Trend graphs for a large number of species are presented in Figs. 24–26. More graphs and indices can be found on the homepage (address below). More than 8900 mammals were counted (all surveys together), the most common being Roe Deer, Fallow Deer, European Hare, Wild Boar, Red Fox and Moose. Almost 65,000 birds of 99 selected species were counted in different forms of wet habitats. Within the system for archipelago birds, a little less than 95 000 birds of 72 selected species were registered in 2017. Over the last 10 years, the most pronounced declines are found in Ortolan Bunting, Greenfinch, Hazel Grouse, Lesser Whitethroat, Great Black-backed Gull, Whimbrel, Black Grouse, Pheasant, Yellowhammer and Willow Tit. The strongest increases during the same period are found in Common redpoll (spp. cabaret), Ptarmigan, Chiffchaff (spp. collybita), Nutcracker, Kestrel, Goldfinch, Lesser Black-backed Gull, Yellow Wagtail (spp. flava) and Hawfinch. For the first time we present trends from the new schemes on wetlands and archipelago birds. Based on these schemes we can now follow yet more species with systematic counts.},
  author       = {Green, Martin and Haas, Fredrik and Lindström, Åke},
  institution  = {Biologiska institutionen, Lunds universitet},
  language     = {swe},
  title        = {Övervakning av fåglarnas populationsutveckling : årsrapport för 2017},
  year         = {2018},
}