Changes in numbers and distribution of breeding waterfowl in the Swedish mountain chain between 1972–1975 and 2009
(2012) In Ornis Svecica 22(3-4). p.107-126- Abstract
- During 1972–1975, the breeding waterfowl populations of the northern parts of Fennoscandia (south to 65° N in Sweden) were surveyed for the first time. In 2009, a new survey was undertaken in the Swedish part of the mountain chain. Censuses were performed from the air in transects of 5×5 km squares and in special areas. The distribution of the different species was largely similar between the two periods but there were a number of differences on the regional level. Most species had more or less the same population sizes but there were some variation in the different parts of the mountains. Three species showed clear increases between the periods. Cygnus cygnus had the same increase in the mountain chain as in the rest of the country.... (More)
- During 1972–1975, the breeding waterfowl populations of the northern parts of Fennoscandia (south to 65° N in Sweden) were surveyed for the first time. In 2009, a new survey was undertaken in the Swedish part of the mountain chain. Censuses were performed from the air in transects of 5×5 km squares and in special areas. The distribution of the different species was largely similar between the two periods but there were a number of differences on the regional level. Most species had more or less the same population sizes but there were some variation in the different parts of the mountains. Three species showed clear increases between the periods. Cygnus cygnus had the same increase in the mountain chain as in the rest of the country. Melanitta nigra was about four times as common in 2009 compared to the 1970s and Mergus merganser also had higher counts in 2009. Melanitta fusca decreased (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/4693422
- author
- Nilsson, Leif LU and Nilsson, Johan LU
- organization
- alternative title
- Förändringar i antal och utbredning av häckande sjöfåglar i svenska fjällkedjan mellan 1972–1975 och 2009
- publishing date
- 2012
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Ornis Svecica
- volume
- 22
- issue
- 3-4
- pages
- 107 - 126
- publisher
- Sveriges Ornitologiska Förening
- external identifiers
-
- scopus:84875335256
- ISSN
- 1102-6812
- language
- English
- LU publication?
- yes
- id
- 94bcf08d-5305-4285-af6a-0331f1468e31 (old id 4693422)
- date added to LUP
- 2016-04-04 09:26:37
- date last changed
- 2022-01-29 17:54:40
@article{94bcf08d-5305-4285-af6a-0331f1468e31,
abstract = {{During 1972–1975, the breeding waterfowl populations of the northern parts of Fennoscandia (south to 65° N in Sweden) were surveyed for the first time. In 2009, a new survey was undertaken in the Swedish part of the mountain chain. Censuses were performed from the air in transects of 5×5 km squares and in special areas. The distribution of the different species was largely similar between the two periods but there were a number of differences on the regional level. Most species had more or less the same population sizes but there were some variation in the different parts of the mountains. Three species showed clear increases between the periods. Cygnus cygnus had the same increase in the mountain chain as in the rest of the country. Melanitta nigra was about four times as common in 2009 compared to the 1970s and Mergus merganser also had higher counts in 2009. Melanitta fusca decreased}},
author = {{Nilsson, Leif and Nilsson, Johan}},
issn = {{1102-6812}},
language = {{eng}},
number = {{3-4}},
pages = {{107--126}},
publisher = {{Sveriges Ornitologiska Förening}},
series = {{Ornis Svecica}},
title = {{Changes in numbers and distribution of breeding waterfowl in the Swedish mountain chain between 1972–1975 and 2009}},
url = {{https://lup.lub.lu.se/search/files/5325855/4693426.pdf}},
volume = {{22}},
year = {{2012}},
}