The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population

Abstract The yellow crazy ant, Anoplolepis gracilipes was first reported in Kenting National Park, Taiwan, in the 2000s, raising the concern of this invasive ant’s potential effects on the native land crab populations. We investigated the distribution and abundance of A. gracilipes and its adverse e...

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Autores principales:	Ching-Chen Lee, Ming-Chung Chiu, Chun-Han Shih, Chin-Cheng Scotty Yang, Hung-Chang Liu, Chung-Chi Lin
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c309050186cb4c899702976c1c05f321
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spelling	oai:doaj.org-article:c309050186cb4c899702976c1c05f3212021-12-02T15:02:51ZThe role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population10.1038/s41598-021-91732-z2045-2322https://doaj.org/article/c309050186cb4c899702976c1c05f3212021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91732-zhttps://doaj.org/toc/2045-2322Abstract The yellow crazy ant, Anoplolepis gracilipes was first reported in Kenting National Park, Taiwan, in the 2000s, raising the concern of this invasive ant’s potential effects on the native land crab populations. We investigated the distribution and abundance of A. gracilipes and its adverse effect on the land crab populations at four land crab hotspots within the park. Our survey results indicated that A. gracilipes was widespread and abundant at three of the study sites (Hsiangchiaowan, Shadao, and Natural Spring), while the distribution was much more confined at the fourth site (Houwan). Land crab populations experienced a notable decline at all the study sites except Houwan, indicating an inverse relationship between the population of land crabs and distribution/abundance of A. gracilipes. Combining the results of visual observations, the decline of land crab populations can be attributed, at least partially, to direct attacks by A. gracilipes on land crabs in their natural habitat and during the breeding migration season. Generalized additive model showed that worker abundance of this ant is associated with human disturbance levels, suggesting that anthropogenic disturbance may have contributed to the decline in land crab populations via promoting the abundance of A. gracilipes.Ching-Chen LeeMing-Chung ChiuChun-Han ShihChin-Cheng Scotty YangHung-Chang LiuChung-Chi LinNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ching-Chen Lee Ming-Chung Chiu Chun-Han Shih Chin-Cheng Scotty Yang Hung-Chang Liu Chung-Chi Lin The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population
description	Abstract The yellow crazy ant, Anoplolepis gracilipes was first reported in Kenting National Park, Taiwan, in the 2000s, raising the concern of this invasive ant’s potential effects on the native land crab populations. We investigated the distribution and abundance of A. gracilipes and its adverse effect on the land crab populations at four land crab hotspots within the park. Our survey results indicated that A. gracilipes was widespread and abundant at three of the study sites (Hsiangchiaowan, Shadao, and Natural Spring), while the distribution was much more confined at the fourth site (Houwan). Land crab populations experienced a notable decline at all the study sites except Houwan, indicating an inverse relationship between the population of land crabs and distribution/abundance of A. gracilipes. Combining the results of visual observations, the decline of land crab populations can be attributed, at least partially, to direct attacks by A. gracilipes on land crabs in their natural habitat and during the breeding migration season. Generalized additive model showed that worker abundance of this ant is associated with human disturbance levels, suggesting that anthropogenic disturbance may have contributed to the decline in land crab populations via promoting the abundance of A. gracilipes.
format	article
author	Ching-Chen Lee Ming-Chung Chiu Chun-Han Shih Chin-Cheng Scotty Yang Hung-Chang Liu Chung-Chi Lin
author_facet	Ching-Chen Lee Ming-Chung Chiu Chun-Han Shih Chin-Cheng Scotty Yang Hung-Chang Liu Chung-Chi Lin
author_sort	Ching-Chen Lee
title	The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population
title_short	The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population
title_full	The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population
title_fullStr	The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population
title_full_unstemmed	The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population
title_sort	role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c309050186cb4c899702976c1c05f321
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The role of anthropogenic disturbance and invasion of yellow crazy ant in a recent decline of land crab population

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