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dc.contributor.author
Shi, Xu
dc.contributor.author
Schmid, Baptiste
dc.contributor.author
Tschanz, Philippe
dc.contributor.author
Segelbacher, Gernot
dc.contributor.author
Liechti, Felix
dc.date.accessioned
2021-06-07T09:44:26Z
dc.date.available
2021-06-04T02:36:07Z
dc.date.available
2021-06-07T09:44:26Z
dc.date.issued
2021-05
dc.identifier.issn
2072-4292
dc.identifier.other
10.3390/rs13091839
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/488247
dc.identifier.doi
10.3929/ethz-b-000488247
dc.description.abstract
Airspace is a key but not well-understood habitat for many animal species. Enormous amounts of insects and birds use the airspace to forage, disperse, and migrate. Despite numerous studies on migration, the year-round flight activities of both birds and insects are still poorly studied. We used a 2 year dataset from a vertical-looking radar in Central Europe and developed an iterative hypothesis-testing algorithm to investigate the general temporal pattern of migratory and local movements. We estimated at least 3 million bird and 20 million insect passages over a 1 km transect annually. Most surprisingly, peak non-directional bird movement intensities during summer were of the same magnitude as seasonal directional movement peaks. Birds showed clear peaks in seasonally directional movements during day and night, coinciding well with the main migration period documented in this region. Directional insect movements occurred throughout the year, paralleling non-directional movements. In spring and summer, insect movements were non-directional; in autumn, their movements concentrated toward the southwest, similar to birds. Notably, the nocturnal movements of insects did not appear until April, while directional movements mainly occurred in autumn. This simple monitoring reveals how little we still know about the movement of biomass through airspace.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
MDPI
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
aeroecology
en_US
dc.subject
bird
en_US
dc.subject
dispersal
en_US
dc.subject
entomology
en_US
dc.subject
insect
en_US
dc.subject
migration
en_US
dc.subject
radar
en_US
dc.title
Seasonal Trends in Movement Patterns of Birds and Insects Aloft Simultaneously Recorded by Radar
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2021-05-09
ethz.journal.title
Remote Sensing
ethz.journal.volume
13
en_US
ethz.journal.issue
9
en_US
ethz.journal.abbreviated
Remote Sens.
ethz.pages.start
1839
en_US
ethz.size
11 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Basel
en_US
ethz.publication.status
published
en_US
ethz.date.deposited
2021-06-04T02:36:09Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2021-06-07T09:44:43Z
ethz.rosetta.lastUpdated
2022-03-29T08:27:53Z
ethz.rosetta.versionExported
true
ethz.COinS
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