Estimating red deer population size using vantage point counts at baited sites
Accurate estimates of population size are central to the management and conservation of wild ungulates. Counting animals from vantage points of baited sites is a method that is traditionally used in Europe to obtain abundance estimates of wild ungulates, but its reliability in forested landscapes is contested. We assessed the accuracy of vantage point counts (VPCs) for estimating population size in red deer (Cervus elaphus) at De Hoge Veluwe National Park, a fenced, partially forested game reserve in the Netherlands. We compared estimates from duplicated VPCs for 1977–2010 with population sizes reconstructed from cohort analyses of age-specific mortality records, including and excluding supplementation with vehicular direct counts (VDCs) and field knowledge on herd composition and herd size from game wardens. Estimates from VPCs supplemented with VDCs matched the reconstructed population size well for 2001–2010. In addition, estimates based on ≥1 VPC site/11 km2 provided representative estimates of the reconstructed population size in that period. Simultaneous VPCs at multiple baited sites can yield precise population estimates for red deer in forests.
Main Authors: | , , , , , , |
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Format: | Article/Letter to editor biblioteca |
Language: | English |
Subjects: | Cervus elaphus, abundance, baiting, cohort analysis, hunting bag, population reconstruction, red deer, vantage point counts, |
Online Access: | https://research.wur.nl/en/publications/estimating-red-deer-population-size-using-vantage-point-counts-at |
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dig-wur-nl-wurpubs-6197152024-10-02 Dijkhuis, Laurens R. Jansen, Patrick A. den Ouden, Jan Van Os, Victor A. Leidekker, Jakob R.K. Krul, Leontien de Jong, Joost F. Article/Letter to editor Journal of Wildlife Management 87 (2023) 8 ISSN: 0022-541X Estimating red deer population size using vantage point counts at baited sites 2023 Accurate estimates of population size are central to the management and conservation of wild ungulates. Counting animals from vantage points of baited sites is a method that is traditionally used in Europe to obtain abundance estimates of wild ungulates, but its reliability in forested landscapes is contested. We assessed the accuracy of vantage point counts (VPCs) for estimating population size in red deer (Cervus elaphus) at De Hoge Veluwe National Park, a fenced, partially forested game reserve in the Netherlands. We compared estimates from duplicated VPCs for 1977–2010 with population sizes reconstructed from cohort analyses of age-specific mortality records, including and excluding supplementation with vehicular direct counts (VDCs) and field knowledge on herd composition and herd size from game wardens. Estimates from VPCs supplemented with VDCs matched the reconstructed population size well for 2001–2010. In addition, estimates based on ≥1 VPC site/11 km2 provided representative estimates of the reconstructed population size in that period. Simultaneous VPCs at multiple baited sites can yield precise population estimates for red deer in forests. en application/pdf https://research.wur.nl/en/publications/estimating-red-deer-population-size-using-vantage-point-counts-at 10.1002/jwmg.22489 https://edepot.wur.nl/639562 Cervus elaphus abundance baiting cohort analysis hunting bag population reconstruction red deer vantage point counts https://creativecommons.org/licenses/by-nc/4.0/ https://creativecommons.org/licenses/by-nc/4.0/ Wageningen University & Research |
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Cervus elaphus abundance baiting cohort analysis hunting bag population reconstruction red deer vantage point counts Cervus elaphus abundance baiting cohort analysis hunting bag population reconstruction red deer vantage point counts |
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Cervus elaphus abundance baiting cohort analysis hunting bag population reconstruction red deer vantage point counts Cervus elaphus abundance baiting cohort analysis hunting bag population reconstruction red deer vantage point counts Dijkhuis, Laurens R. Jansen, Patrick A. den Ouden, Jan Van Os, Victor A. Leidekker, Jakob R.K. Krul, Leontien de Jong, Joost F. Estimating red deer population size using vantage point counts at baited sites |
description |
Accurate estimates of population size are central to the management and conservation of wild ungulates. Counting animals from vantage points of baited sites is a method that is traditionally used in Europe to obtain abundance estimates of wild ungulates, but its reliability in forested landscapes is contested. We assessed the accuracy of vantage point counts (VPCs) for estimating population size in red deer (Cervus elaphus) at De Hoge Veluwe National Park, a fenced, partially forested game reserve in the Netherlands. We compared estimates from duplicated VPCs for 1977–2010 with population sizes reconstructed from cohort analyses of age-specific mortality records, including and excluding supplementation with vehicular direct counts (VDCs) and field knowledge on herd composition and herd size from game wardens. Estimates from VPCs supplemented with VDCs matched the reconstructed population size well for 2001–2010. In addition, estimates based on ≥1 VPC site/11 km2 provided representative estimates of the reconstructed population size in that period. Simultaneous VPCs at multiple baited sites can yield precise population estimates for red deer in forests. |
format |
Article/Letter to editor |
topic_facet |
Cervus elaphus abundance baiting cohort analysis hunting bag population reconstruction red deer vantage point counts |
author |
Dijkhuis, Laurens R. Jansen, Patrick A. den Ouden, Jan Van Os, Victor A. Leidekker, Jakob R.K. Krul, Leontien de Jong, Joost F. |
author_facet |
Dijkhuis, Laurens R. Jansen, Patrick A. den Ouden, Jan Van Os, Victor A. Leidekker, Jakob R.K. Krul, Leontien de Jong, Joost F. |
author_sort |
Dijkhuis, Laurens R. |
title |
Estimating red deer population size using vantage point counts at baited sites |
title_short |
Estimating red deer population size using vantage point counts at baited sites |
title_full |
Estimating red deer population size using vantage point counts at baited sites |
title_fullStr |
Estimating red deer population size using vantage point counts at baited sites |
title_full_unstemmed |
Estimating red deer population size using vantage point counts at baited sites |
title_sort |
estimating red deer population size using vantage point counts at baited sites |
url |
https://research.wur.nl/en/publications/estimating-red-deer-population-size-using-vantage-point-counts-at |
work_keys_str_mv |
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