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Research output

Catching invasive Egyptian geese (Alopochen aegyptiacus): Evaluation of the optimal deployment season for a floating Larsen trap

Research output: Chapter in Book/Report/Conference proceedingConference AbstractResearch

Standard

Catching invasive Egyptian geese (Alopochen aegyptiacus) : Evaluation of the optimal deployment season for a floating Larsen trap. / Huysentruyt, Frank; Adriaens, Tim; Van Moer, Karel; De Bus, Kim; Casaer, Jim.

Science for the new regulation Abstractbook: BENELUX Conference on invasive species. ed. / Pieter Boets. 2014. p. 33.

Research output: Chapter in Book/Report/Conference proceedingConference AbstractResearch

Harvard

Huysentruyt, F, Adriaens, T, Van Moer, K, De Bus, K & Casaer, J 2014, Catching invasive Egyptian geese (Alopochen aegyptiacus): Evaluation of the optimal deployment season for a floating Larsen trap. in P Boets (ed.), Science for the new regulation Abstractbook: BENELUX Conference on invasive species. pp. 33.

APA

Huysentruyt, F., Adriaens, T., Van Moer, K., De Bus, K., & Casaer, J. (2014). Catching invasive Egyptian geese (Alopochen aegyptiacus): Evaluation of the optimal deployment season for a floating Larsen trap. In P. Boets (Ed.), Science for the new regulation Abstractbook: BENELUX Conference on invasive species (pp. 33)

Author

Huysentruyt, Frank ; Adriaens, Tim ; Van Moer, Karel ; De Bus, Kim ; Casaer, Jim. / Catching invasive Egyptian geese (Alopochen aegyptiacus) : Evaluation of the optimal deployment season for a floating Larsen trap. Science for the new regulation Abstractbook: BENELUX Conference on invasive species. editor / Pieter Boets. 2014. pp. 33

Bibtex

@inbook{4bdf5225d7a04cdca89416db6fb3779d,
title = "Catching invasive Egyptian geese (Alopochen aegyptiacus): Evaluation of the optimal deployment season for a floating Larsen trap",
abstract = "Management of invasive geese is generally done by egg pricking or oiling, shooting and/or trapping. Trapping efforts generally focus on moulting flightless geese, which has proven to be highly effective for capturing large numbers. In Flanders, moult trapping has been very successful for Canada geese, with a total of 7829 caught between 2010 and 2013. Egyptian geese also experience a full primary moult leaving them flightless, but are, due to their excellent diving capacities, not susceptible to the current moult trapping systems. In addition, the species does not generally nest in colonies and regularly uses nest sites in trees, making the nest less accessible for reproduction control. This seriously reduces the amount of eggs that can be found for oiling or pricking, leaving shooting as the only feasible management option to date. However, since numbers of this alien species have been increasing and are continuing to rise, there is a growing demand for effective control measures in addition to shooting. Egyptian geese are known to be highly territorial which opens opportunities for the use of traps with live decoy birds, the so-called Larsen traps. In order to determine the optimal catching month with these traps, we set out a field experiment in which 19 floating Larsen traps were used for one week in each month during one year. Given the large differences in the species behaviour throughout the year we expected to see significant differences in catchment success over the different months. Success was defined as either the number of geese that could be caught per day or the number of days it took to catch the first goose at a given location in a given month. The results showed clear differences between the different months, designating spring months as the optimal season to deploy decoy birds. In addition, elements that further contribute to the observed trapping success are explored, non-target effects (bycatch) and possible improvements and alternative deployment options are identified. This field trial was performed within the framework of the EU co-funded Interreg 2Seas project RINSE (Reducing the Impact of Non-Native Species in Europe) (www.rinse-europe.eu) (2012-2014), which seeks to improve awareness of the threats posed by INNS, and the methods to address them.",
author = "Frank Huysentruyt and Tim Adriaens and {Van Moer}, Karel and {De Bus}, Kim and Jim Casaer",
note = "Boets, P. (Ed.) SCIENCE FOR THE NEW REGULATIONS. Abstract book of the BENELUX conference on invasive species, Ghent. April 2nd 2014",
year = "2014",
month = "4",
day = "2",
language = "English",
pages = "33",
editor = "Pieter Boets",
booktitle = "Science for the new regulation Abstractbook",

}

RIS

TY - CHAP

T1 - Catching invasive Egyptian geese (Alopochen aegyptiacus)

T2 - Evaluation of the optimal deployment season for a floating Larsen trap

AU - Huysentruyt, Frank

AU - Adriaens, Tim

AU - Van Moer, Karel

AU - De Bus, Kim

AU - Casaer, Jim

N1 - Boets, P. (Ed.) SCIENCE FOR THE NEW REGULATIONS. Abstract book of the BENELUX conference on invasive species, Ghent. April 2nd 2014

PY - 2014/4/2

Y1 - 2014/4/2

N2 - Management of invasive geese is generally done by egg pricking or oiling, shooting and/or trapping. Trapping efforts generally focus on moulting flightless geese, which has proven to be highly effective for capturing large numbers. In Flanders, moult trapping has been very successful for Canada geese, with a total of 7829 caught between 2010 and 2013. Egyptian geese also experience a full primary moult leaving them flightless, but are, due to their excellent diving capacities, not susceptible to the current moult trapping systems. In addition, the species does not generally nest in colonies and regularly uses nest sites in trees, making the nest less accessible for reproduction control. This seriously reduces the amount of eggs that can be found for oiling or pricking, leaving shooting as the only feasible management option to date. However, since numbers of this alien species have been increasing and are continuing to rise, there is a growing demand for effective control measures in addition to shooting. Egyptian geese are known to be highly territorial which opens opportunities for the use of traps with live decoy birds, the so-called Larsen traps. In order to determine the optimal catching month with these traps, we set out a field experiment in which 19 floating Larsen traps were used for one week in each month during one year. Given the large differences in the species behaviour throughout the year we expected to see significant differences in catchment success over the different months. Success was defined as either the number of geese that could be caught per day or the number of days it took to catch the first goose at a given location in a given month. The results showed clear differences between the different months, designating spring months as the optimal season to deploy decoy birds. In addition, elements that further contribute to the observed trapping success are explored, non-target effects (bycatch) and possible improvements and alternative deployment options are identified. This field trial was performed within the framework of the EU co-funded Interreg 2Seas project RINSE (Reducing the Impact of Non-Native Species in Europe) (www.rinse-europe.eu) (2012-2014), which seeks to improve awareness of the threats posed by INNS, and the methods to address them.

AB - Management of invasive geese is generally done by egg pricking or oiling, shooting and/or trapping. Trapping efforts generally focus on moulting flightless geese, which has proven to be highly effective for capturing large numbers. In Flanders, moult trapping has been very successful for Canada geese, with a total of 7829 caught between 2010 and 2013. Egyptian geese also experience a full primary moult leaving them flightless, but are, due to their excellent diving capacities, not susceptible to the current moult trapping systems. In addition, the species does not generally nest in colonies and regularly uses nest sites in trees, making the nest less accessible for reproduction control. This seriously reduces the amount of eggs that can be found for oiling or pricking, leaving shooting as the only feasible management option to date. However, since numbers of this alien species have been increasing and are continuing to rise, there is a growing demand for effective control measures in addition to shooting. Egyptian geese are known to be highly territorial which opens opportunities for the use of traps with live decoy birds, the so-called Larsen traps. In order to determine the optimal catching month with these traps, we set out a field experiment in which 19 floating Larsen traps were used for one week in each month during one year. Given the large differences in the species behaviour throughout the year we expected to see significant differences in catchment success over the different months. Success was defined as either the number of geese that could be caught per day or the number of days it took to catch the first goose at a given location in a given month. The results showed clear differences between the different months, designating spring months as the optimal season to deploy decoy birds. In addition, elements that further contribute to the observed trapping success are explored, non-target effects (bycatch) and possible improvements and alternative deployment options are identified. This field trial was performed within the framework of the EU co-funded Interreg 2Seas project RINSE (Reducing the Impact of Non-Native Species in Europe) (www.rinse-europe.eu) (2012-2014), which seeks to improve awareness of the threats posed by INNS, and the methods to address them.

M3 - Conference Abstract

SP - 33

BT - Science for the new regulation Abstractbook

A2 - Boets, Pieter

ER -

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