Spatial variation and biovectoring of metals in gull faeces

We assessed the spatial variation in concentrations of ten metals in faeces of the lesser black-backed gull (LBBG) Larus fuscus wintering at seven localities in South-West Spain. We found high concentrations of metals in gull faeces, with several elements (As, Cu, Mo, Pb, Zn) locally exceeding (by 2...

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Autores principales:	Víctor Martín-Vélez, F. Hortas, M.A. Taggart, A.J. Green, N.J. ÓHanlon, M.I. Sánchez
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Larus fuscus Landfills Metalloid Ricefields Shallow lakes Faecal analysis Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/cb6c1cfa31ad4f2d99942b099b394998
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spelling	oai:doaj.org-article:cb6c1cfa31ad4f2d99942b099b3949982021-12-01T04:47:54ZSpatial variation and biovectoring of metals in gull faeces1470-160X10.1016/j.ecolind.2021.107534https://doaj.org/article/cb6c1cfa31ad4f2d99942b099b3949982021-06-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21001990https://doaj.org/toc/1470-160XWe assessed the spatial variation in concentrations of ten metals in faeces of the lesser black-backed gull (LBBG) Larus fuscus wintering at seven localities in South-West Spain. We found high concentrations of metals in gull faeces, with several elements (As, Cu, Mo, Pb, Zn) locally exceeding (by 2 to 11 times) derived Lowest Effect Level (LEL) values. We also found strong spatial variation, related to the main pollution sources associated with the different sites. Faeces from Chipiona Port (Gulf of Cádiz) showed the highest levels of As; Cetina saltpans (Bay of Cádiz) ranked first for Pb, Zn and Mo, which was consistent with historic mining and industrial pollution; Doñana ricefields showed the highest levels of Mn, a highly available element in flooded areas; while landfills ranked first for Cd, Co, Cr, Cu and Ni, potentially associated with electronic waste. Furthermore, we demonstrate how faecal analysis can be used to quantify biovectoring of metals into specific localities, using LBBG movement ecology and census data. At Fuente de Piedra, a shallow, closed-basin lake important for waterbirds, we show that metal inputs by LBBG have increased in recent years, and long-term deposition (e.g., of Pb) may impact aquatic communities and ecological processes in this Ramsar site.Víctor Martín-VélezF. HortasM.A. TaggartA.J. GreenN.J. ÓHanlonM.I. SánchezElsevierarticleLarus fuscusLandfillsMetalloidRicefieldsShallow lakesFaecal analysisEcologyQH540-549.5ENEcological Indicators, Vol 125, Iss , Pp 107534- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Larus fuscus Landfills Metalloid Ricefields Shallow lakes Faecal analysis Ecology QH540-549.5
spellingShingle	Larus fuscus Landfills Metalloid Ricefields Shallow lakes Faecal analysis Ecology QH540-549.5 Víctor Martín-Vélez F. Hortas M.A. Taggart A.J. Green N.J. ÓHanlon M.I. Sánchez Spatial variation and biovectoring of metals in gull faeces
description	We assessed the spatial variation in concentrations of ten metals in faeces of the lesser black-backed gull (LBBG) Larus fuscus wintering at seven localities in South-West Spain. We found high concentrations of metals in gull faeces, with several elements (As, Cu, Mo, Pb, Zn) locally exceeding (by 2 to 11 times) derived Lowest Effect Level (LEL) values. We also found strong spatial variation, related to the main pollution sources associated with the different sites. Faeces from Chipiona Port (Gulf of Cádiz) showed the highest levels of As; Cetina saltpans (Bay of Cádiz) ranked first for Pb, Zn and Mo, which was consistent with historic mining and industrial pollution; Doñana ricefields showed the highest levels of Mn, a highly available element in flooded areas; while landfills ranked first for Cd, Co, Cr, Cu and Ni, potentially associated with electronic waste. Furthermore, we demonstrate how faecal analysis can be used to quantify biovectoring of metals into specific localities, using LBBG movement ecology and census data. At Fuente de Piedra, a shallow, closed-basin lake important for waterbirds, we show that metal inputs by LBBG have increased in recent years, and long-term deposition (e.g., of Pb) may impact aquatic communities and ecological processes in this Ramsar site.
format	article
author	Víctor Martín-Vélez F. Hortas M.A. Taggart A.J. Green N.J. ÓHanlon M.I. Sánchez
author_facet	Víctor Martín-Vélez F. Hortas M.A. Taggart A.J. Green N.J. ÓHanlon M.I. Sánchez
author_sort	Víctor Martín-Vélez
title	Spatial variation and biovectoring of metals in gull faeces
title_short	Spatial variation and biovectoring of metals in gull faeces
title_full	Spatial variation and biovectoring of metals in gull faeces
title_fullStr	Spatial variation and biovectoring of metals in gull faeces
title_full_unstemmed	Spatial variation and biovectoring of metals in gull faeces
title_sort	spatial variation and biovectoring of metals in gull faeces
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/cb6c1cfa31ad4f2d99942b099b394998
work_keys_str_mv	AT victormartinvelez spatialvariationandbiovectoringofmetalsingullfaeces AT fhortas spatialvariationandbiovectoringofmetalsingullfaeces AT mataggart spatialvariationandbiovectoringofmetalsingullfaeces AT ajgreen spatialvariationandbiovectoringofmetalsingullfaeces AT njohanlon spatialvariationandbiovectoringofmetalsingullfaeces AT misanchez spatialvariationandbiovectoringofmetalsingullfaeces
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Spatial variation and biovectoring of metals in gull faeces

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