Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea

We studied the feeding ecology of the Black Wood Pigeon (Columba janthina), a species endemic to the East Asian Pacific Islands, and determined the species’ dietary composition and food preferences on Ulleung Island, South Korea, through field observations. From March 2016 to February 2018, the dive...

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Autores principales:	Soon Kyoo Choi, Yung Chul Park, Sung Wan Park, Jae Woong Kim, Woo Yuel Kim
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2020
Materias:	dietary composition feeding preference field observations fruit phenology seasonal variation Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/0c13e6c3dd7e45d1b371dc39a1c19642
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spelling	oai:doaj.org-article:0c13e6c3dd7e45d1b371dc39a1c196422021-12-02T16:16:38ZDietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea2332-887810.1080/20964129.2020.1803767https://doaj.org/article/0c13e6c3dd7e45d1b371dc39a1c196422020-12-01T00:00:00Zhttp://dx.doi.org/10.1080/20964129.2020.1803767https://doaj.org/toc/2332-8878We studied the feeding ecology of the Black Wood Pigeon (Columba janthina), a species endemic to the East Asian Pacific Islands, and determined the species’ dietary composition and food preferences on Ulleung Island, South Korea, through field observations. From March 2016 to February 2018, the diversity of food items consumed was low, with the 10 most common plant species (from a total of 33) accounting for over 80%. Food availability varied depending on plant abundance, but this influence was minimized because of factors such as delayed fruit ripening. Drupes were the most favored food items (60–68%) but were replaced by nuts and weed seeds during the spring and winter months. Dietary composition and food preferences were related to the abundance of food items based on their phenology, but a steady, high preference for Aphananthe aspera was observed throughout the study period. The abundance of Prunus takesimensis in June was correlated with changes in the Black Wood Pigeon population. This study is the first to assess the feeding ecology of Black Wood Pigeons using field observations and suggests that the availability of different food items affects population changes on the East Asian Pacific islands.Soon Kyoo ChoiYung Chul ParkSung Wan ParkJae Woong KimWoo Yuel KimTaylor & Francis Grouparticledietary compositionfeeding preferencefield observationsfruitphenologyseasonal variationEcologyQH540-549.5ENEcosystem Health and Sustainability, Vol 6, Iss 1 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	dietary composition feeding preference field observations fruit phenology seasonal variation Ecology QH540-549.5
spellingShingle	dietary composition feeding preference field observations fruit phenology seasonal variation Ecology QH540-549.5 Soon Kyoo Choi Yung Chul Park Sung Wan Park Jae Woong Kim Woo Yuel Kim Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea
description	We studied the feeding ecology of the Black Wood Pigeon (Columba janthina), a species endemic to the East Asian Pacific Islands, and determined the species’ dietary composition and food preferences on Ulleung Island, South Korea, through field observations. From March 2016 to February 2018, the diversity of food items consumed was low, with the 10 most common plant species (from a total of 33) accounting for over 80%. Food availability varied depending on plant abundance, but this influence was minimized because of factors such as delayed fruit ripening. Drupes were the most favored food items (60–68%) but were replaced by nuts and weed seeds during the spring and winter months. Dietary composition and food preferences were related to the abundance of food items based on their phenology, but a steady, high preference for Aphananthe aspera was observed throughout the study period. The abundance of Prunus takesimensis in June was correlated with changes in the Black Wood Pigeon population. This study is the first to assess the feeding ecology of Black Wood Pigeons using field observations and suggests that the availability of different food items affects population changes on the East Asian Pacific islands.
format	article
author	Soon Kyoo Choi Yung Chul Park Sung Wan Park Jae Woong Kim Woo Yuel Kim
author_facet	Soon Kyoo Choi Yung Chul Park Sung Wan Park Jae Woong Kim Woo Yuel Kim
author_sort	Soon Kyoo Choi
title	Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea
title_short	Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea
title_full	Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea
title_fullStr	Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea
title_full_unstemmed	Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea
title_sort	dietary composition of birds in isolated ecosystems: a case study of black wood pigeon in republic of korea
publisher	Taylor & Francis Group
publishDate	2020
url	https://doaj.org/article/0c13e6c3dd7e45d1b371dc39a1c19642
work_keys_str_mv	AT soonkyoochoi dietarycompositionofbirdsinisolatedecosystemsacasestudyofblackwoodpigeoninrepublicofkorea AT yungchulpark dietarycompositionofbirdsinisolatedecosystemsacasestudyofblackwoodpigeoninrepublicofkorea AT sungwanpark dietarycompositionofbirdsinisolatedecosystemsacasestudyofblackwoodpigeoninrepublicofkorea AT jaewoongkim dietarycompositionofbirdsinisolatedecosystemsacasestudyofblackwoodpigeoninrepublicofkorea AT wooyuelkim dietarycompositionofbirdsinisolatedecosystemsacasestudyofblackwoodpigeoninrepublicofkorea
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Dietary composition of birds in isolated ecosystems: a case study of Black Wood Pigeon in Republic of Korea

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