Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system

In this study, adult Helix apersa land snails with previously established periodicity were observed at three densities in their finishing stage in order to contribute to the body of knowledge about spatial distribution and certain behavior patterns in an outdoor system. From November 8 to December 1...

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Autores principales:	González,Olga, Pérez Camargo,Gladys, Membiela,Macarena, Frezza,Diana, Bartoloni,Norberto, Vieites,Carlos
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2009
Materias:	Helix aspersa heliciculture snails spatial distribution
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000100012
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spelling	oai:scielo:S0718-162020090001000122009-04-29Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor systemGonzález,OlgaPérez Camargo,GladysMembiela,MacarenaFrezza,DianaBartoloni,NorbertoVieites,Carlos Helix aspersa heliciculture snails spatial distribution In this study, adult Helix apersa land snails with previously established periodicity were observed at three densities in their finishing stage in order to contribute to the body of knowledge about spatial distribution and certain behavior patterns in an outdoor system. From November 8 to December 18, 2006, snails that were in their final fattening phase were grouped at three densities (50 snail·m-2, 100 snail·m-2, 200 snail·m-2) and randomly placed in nine cubicles, with three replicates of each density. Twelve observations of the snail behavior were made between 12 am and 1 pm. The categories selected as "discrete acts" include: observing the snails in the shelters, on Swiss chard leaves (Beta vulgaris), adhered to the netting, on the balanced feed, on the water supply tray, and on the ground. A statistical analysis employing marginal and partial frequency tests was completed on the density x category x time interactions. It was concluded that around midday, the majority of the snails remained in the artificial shelters and on the Swiss chard monoculture leaves. In addition, differences were not detected for the rest of the categories in regard to the spatial distribution of the individuals in the three densities analyzed. If lower densities than the ones most commonly employed in studies (200 snail m-2) are used in an open outdoor system in the fattening stage, the individuals will use the available space in a similar way, thereby exhibiting similar behavior patterns.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.36 n.1 20092009-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000100012en10.4067/S0718-16202009000100012
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Helix aspersa heliciculture snails spatial distribution
spellingShingle	Helix aspersa heliciculture snails spatial distribution González,Olga Pérez Camargo,Gladys Membiela,Macarena Frezza,Diana Bartoloni,Norberto Vieites,Carlos Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system
description	In this study, adult Helix apersa land snails with previously established periodicity were observed at three densities in their finishing stage in order to contribute to the body of knowledge about spatial distribution and certain behavior patterns in an outdoor system. From November 8 to December 18, 2006, snails that were in their final fattening phase were grouped at three densities (50 snail·m-2, 100 snail·m-2, 200 snail·m-2) and randomly placed in nine cubicles, with three replicates of each density. Twelve observations of the snail behavior were made between 12 am and 1 pm. The categories selected as "discrete acts" include: observing the snails in the shelters, on Swiss chard leaves (Beta vulgaris), adhered to the netting, on the balanced feed, on the water supply tray, and on the ground. A statistical analysis employing marginal and partial frequency tests was completed on the density x category x time interactions. It was concluded that around midday, the majority of the snails remained in the artificial shelters and on the Swiss chard monoculture leaves. In addition, differences were not detected for the rest of the categories in regard to the spatial distribution of the individuals in the three densities analyzed. If lower densities than the ones most commonly employed in studies (200 snail m-2) are used in an open outdoor system in the fattening stage, the individuals will use the available space in a similar way, thereby exhibiting similar behavior patterns.
author	González,Olga Pérez Camargo,Gladys Membiela,Macarena Frezza,Diana Bartoloni,Norberto Vieites,Carlos
author_facet	González,Olga Pérez Camargo,Gladys Membiela,Macarena Frezza,Diana Bartoloni,Norberto Vieites,Carlos
author_sort	González,Olga
title	Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system
title_short	Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system
title_full	Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system
title_fullStr	Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system
title_full_unstemmed	Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system
title_sort	discrete observations of the spatial distributions of the helix aspersa snail in an outdoor system
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202009000100012
work_keys_str_mv	AT gonzalezolga discreteobservationsofthespatialdistributionsofthehelixaspersasnailinanoutdoorsystem AT perezcamargogladys discreteobservationsofthespatialdistributionsofthehelixaspersasnailinanoutdoorsystem AT membielamacarena discreteobservationsofthespatialdistributionsofthehelixaspersasnailinanoutdoorsystem AT frezzadiana discreteobservationsofthespatialdistributionsofthehelixaspersasnailinanoutdoorsystem AT bartoloninorberto discreteobservationsofthespatialdistributionsofthehelixaspersasnailinanoutdoorsystem AT vieitescarlos discreteobservationsofthespatialdistributionsofthehelixaspersasnailinanoutdoorsystem
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Discrete observations of the spatial distributions of the Helix aspersa snail in an outdoor system

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