Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft
Canada geese (Branta canadensis) are of particular concern to aviation in the USA because of their large size, flocking behavior, attraction to airports for grazing, and, for the resident population, year-round presence in urban environments. We documented trends in resident and migrant Canada goose...
Main Authors: | , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Utah State University
2017
|
Subjects: | |
Online Access: | https://doi.org/10.26077/ea1k-ch43 https://doaj.org/article/baad5acf22f74fcb90458431381c6150 |
id |
fttriple:oai:gotriple.eu:oai:doaj.org/article:baad5acf22f74fcb90458431381c6150 |
---|---|
record_format |
openpolar |
spelling |
fttriple:oai:gotriple.eu:oai:doaj.org/article:baad5acf22f74fcb90458431381c6150 2023-05-15T15:46:17+02:00 Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft Richard A. Dolbeer John L. Seubert Michael J. Begier 2017-01-01 https://doi.org/10.26077/ea1k-ch43 https://doaj.org/article/baad5acf22f74fcb90458431381c6150 en eng Utah State University doi:10.26077/ea1k-ch43 2155-3874 https://doaj.org/article/baad5acf22f74fcb90458431381c6150 undefined Human-Wildlife Interactions, Vol 8, Iss 1 (2017) aircraft airport aviation safety bird strike branta canadensis canada goose flyway goose human–wildlife conflicts population resident geese envir scipo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2017 fttriple https://doi.org/10.26077/ea1k-ch43 2023-01-22T19:11:42Z Canada geese (Branta canadensis) are of particular concern to aviation in the USA because of their large size, flocking behavior, attraction to airports for grazing, and, for the resident population, year-round presence in urban environments. We documented trends in resident and migrant Canada goose populations in North America from 1970 to 2012, and for 1990 to 2012 examined these trends in relation to trends in reported civil aircraft collisions (strikes) with Canada geese. The overall Canada goose population increased 4.5 fold from 1.26 million in 1970 to 5.69 million in 2012. Most of this overall increase was due to a 15.6-fold increase in the population of resident geese (from 0.25 to 3.85 million), especially during the 1990s when the population increased at a mean annual rate of 12.7%. From 2000 to 2012, the resident population has stabilized, fluctuating between 3.36 and 3.85 million birds. The migrant population has remained relatively stable since 1990, with the population in 2012 estimated at 1.84 million. Resident geese comprised 68% of the total Canada goose population in 2012 compared to 41% in 1990 and 20% in 1970. From 1990 to 2012, 1,403 Canada goose strikes with civil aircraft were reported in the USA, of which 704 (50%) caused damage. The strike rate and damaging strike rate for all geese and for resident geese only (strikes in May to September) increased in parallel with the increase in the total Canada goose population (resident and migratory combined) and resident population, respectively, from 1990 to 1999. From 1999 to 2012, the strike rate and especially the damage strike rate exhibited a downward trend, especially for strikes involving resident geese during May to September. We hypothesize that this decline is due to Canada goose management programs implemented at many airports and in other urban areas. Article in Journal/Newspaper Branta canadensis Canada Goose Unknown Canada |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
aircraft airport aviation safety bird strike branta canadensis canada goose flyway goose human–wildlife conflicts population resident geese envir scipo |
spellingShingle |
aircraft airport aviation safety bird strike branta canadensis canada goose flyway goose human–wildlife conflicts population resident geese envir scipo Richard A. Dolbeer John L. Seubert Michael J. Begier Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft |
topic_facet |
aircraft airport aviation safety bird strike branta canadensis canada goose flyway goose human–wildlife conflicts population resident geese envir scipo |
description |
Canada geese (Branta canadensis) are of particular concern to aviation in the USA because of their large size, flocking behavior, attraction to airports for grazing, and, for the resident population, year-round presence in urban environments. We documented trends in resident and migrant Canada goose populations in North America from 1970 to 2012, and for 1990 to 2012 examined these trends in relation to trends in reported civil aircraft collisions (strikes) with Canada geese. The overall Canada goose population increased 4.5 fold from 1.26 million in 1970 to 5.69 million in 2012. Most of this overall increase was due to a 15.6-fold increase in the population of resident geese (from 0.25 to 3.85 million), especially during the 1990s when the population increased at a mean annual rate of 12.7%. From 2000 to 2012, the resident population has stabilized, fluctuating between 3.36 and 3.85 million birds. The migrant population has remained relatively stable since 1990, with the population in 2012 estimated at 1.84 million. Resident geese comprised 68% of the total Canada goose population in 2012 compared to 41% in 1990 and 20% in 1970. From 1990 to 2012, 1,403 Canada goose strikes with civil aircraft were reported in the USA, of which 704 (50%) caused damage. The strike rate and damaging strike rate for all geese and for resident geese only (strikes in May to September) increased in parallel with the increase in the total Canada goose population (resident and migratory combined) and resident population, respectively, from 1990 to 1999. From 1999 to 2012, the strike rate and especially the damage strike rate exhibited a downward trend, especially for strikes involving resident geese during May to September. We hypothesize that this decline is due to Canada goose management programs implemented at many airports and in other urban areas. |
format |
Article in Journal/Newspaper |
author |
Richard A. Dolbeer John L. Seubert Michael J. Begier |
author_facet |
Richard A. Dolbeer John L. Seubert Michael J. Begier |
author_sort |
Richard A. Dolbeer |
title |
Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft |
title_short |
Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft |
title_full |
Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft |
title_fullStr |
Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft |
title_full_unstemmed |
Population trends of resident and migratory Canada geese in relation to strikes with civil aircraft |
title_sort |
population trends of resident and migratory canada geese in relation to strikes with civil aircraft |
publisher |
Utah State University |
publishDate |
2017 |
url |
https://doi.org/10.26077/ea1k-ch43 https://doaj.org/article/baad5acf22f74fcb90458431381c6150 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Branta canadensis Canada Goose |
genre_facet |
Branta canadensis Canada Goose |
op_source |
Human-Wildlife Interactions, Vol 8, Iss 1 (2017) |
op_relation |
doi:10.26077/ea1k-ch43 2155-3874 https://doaj.org/article/baad5acf22f74fcb90458431381c6150 |
op_rights |
undefined |
op_doi |
https://doi.org/10.26077/ea1k-ch43 |
_version_ |
1766380979928170496 |