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01:47 Jul 20, 2015 |
Dutch to English translations [PRO] Science - Biology (-tech,-chem,micro-) | |||||||
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| Selected response from: Barend van Zadelhoff Netherlands Local time: 01:29 | ||||||
Grading comment
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Summary of answers provided | ||||
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4 +1 | narrow-front migration |
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3 | funnelled migration |
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funnelled migration Explanation: https://en.wikipedia.org/wiki/Bird_migration Migration is driven primarily by availability of food. It occurs mainly in the northern hemisphere, where birds are funnelled on to specific routes by natural barriers ... -------------------------------------------------- Note added at 18 hrs (2015-07-20 20:12:53 GMT) -------------------------------------------------- The tem is used in reference to bird migration on these sites: infrastructure.planningportal.gov.uk/.../6.2.2.12.1%20Volume%20B%20C... Dec 3, 2013 - Dorset (particularly Durlston Head) note instances of potential 'funnelled' migration. ... observations from the main flight path, ... migration | nickrossiter1 nickrossiter1.com/tag/migration/ Conclusion: funnelled migration: the western honey buzzard migrates over the Mediterranean Sea but is attracted by geographical features like the island of ... ciso-coi.it/wp-content/uploads/2013/08/1.-Panuccio-et-al.pdf by M PANUCCIO¹ - 2013 - Related articles ... the funnelled migration of the Honey Buzzards during autumn period. |
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Notes to answerer
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narrow-front migration Explanation: narrow-front pattern of migration bird dictionary Broad-front migration Long-distance movement in which the birds are spread over wide areas instead of being confined to relatively narrow 'corridors'. This pattern of migration is typical of birds which are not limited to specialised kinds of habitat, and so is found, for example, in common passerine birds where they are not constrained by physical features such as mountain passes. These, together with river valleys and coastlines, encourage 'narrow-front migration'. http://www.birdcare.com/bin/showdict?broadfront migration 3. Migration strategies within the wider geographical context 25 3.1 Narrow-front migration 25 3.2 Broad-front migration and parallel migration 26 3.2.1 Broad-front migration 26 3.2.2 Parallel migration 27 3.2.3 Migration corridors 3.1 Narrow-front migration Key messages Birds migrating along a narrow front are channelled into corridors, where there may also be bottlenecks. Conservation of key sites along corridors is important. This occurs when migrants from a wide area are concentrated by topographic situations that channel them, such as when they pass along coastlines, peninsulas or through narrow valleys (Newton 2008). Many waterbirds use a restricted geographical range through which they migrate between areas, usually between the breeding area and the main non-breeding area. The Common Crane Grus grus restricts itself to very narrow ranges or corridors when on migration through Europe (Figure 3.1). Several species of goose also have narrow front migrations in Europe, often applied by different populations of the same species, migrating via a narrow corridor to separate wintering areas. In Eastern Africa, the Nile and Rift Valleys can serve as corridors, favoured areas through which migrants move on a narrow-front. http://wow.wetlands.org/Portals/1/documents/tot_resources/2-... De kust kan een oriëntatiemiddel zijn, maar veel vogels vliegen in een breed front over ons land. Langs de kust is wel sprake van stuwing* omdat vogels niet graag over zee vliegen. Bekende plekken in Europa zijn Falsterbo in Zuid-Zweden, Tarifa in Zuid-Spanje en Istanbul bij de Bosporus. In Nederland is gestuwde trek te zien op de Waddeneilanden en langs de Noordzeekust, bijvoorbeeld bij de pier van IJmuiden en bij de Hondsbossche-Zeewering. Onderzoek heeft aangetoond dat vogels bij geboorte 'weten' waar ze heen moeten, denk aan de jonge Koekoek die geen aanwijzingen van zijn ouders krijgt. *being confined to/being channeled into/being concentrated by topographic situation = large body of water http://www.vogelwerkgroeparnhem.nl/seizoen/trek.htm Raptors on migration are generally known to maximize the time spent over land and seem to avoid larger bodies of water, resulting in narrow front patterns of migration as found in most species. http://energinet.dk/SiteCollectionDocuments/Engelske dokumen... Migratory birds may migrate along topographical features during migration, but species can exhibit different movement patterns labeled as broad-front and narrow-front migration (Ralph 1981). Broad-front migration refers to migratory behavior moving in a constant direction regardless of topography while narrow front refers to concentrations of migration at topographical features (Berthold 1993; Ralph 1981) such as mountains, river valleys and shores. http://ir.lib.uwo.ca/cgi/viewcontent.cgi?article=2177&contex... -------------------------------------------------- Note added at 1 day9 hrs (2015-07-21 11:37:44 GMT) -------------------------------------------------- Kleine toevoeging aan een toch al indrukwekkende waslijst: De kans op aanvaringen kan verder verminderd worden door op dagen met een slechte zichtbaarheid (donkere nachten, hevige regenval, mist) de windturbines tijdelijk stil te leggen. Langs de kust komt bovendien vaak (voornamelijk overdag) gestuwde trek voor. Dit wil zeggen dat de vogels massaal in een smal front de kustlijn volgen. Het plaatsen van hoge windturbines langs de Westdam zou dus aanzienlijke aanvaringskansen kunnen creëren voor trekvogels. Er zijn momenteel echter geen duidelijke gegevens voorhanden over het trekgedrag (aantallen, hoogtes) van vogels langs de kust. Een radarstudie zou hierover meer duidelijkheid kunnen brengen. http://tinyurl.com/owjc622 -------------------------------------------------- Note added at 37 days (2015-08-26 14:47:20 GMT) Post-grading -------------------------------------------------- How I wish my answer had come *before* your deadline ;-) Ik reageerde in feite op: "Part of me thinks an established term for this phenomenon must exist in English as well, it's not like it's in any way peculiar to the bird situation in NL. . ." Dat intrigeerde me en zo is het gekomen. :-) Interessante vraag ook. Bedankt voor je vriendelijke woorden. Lang leve Emma! :-) Barend |
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