Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean
- Autores
- Alcoverro, T.; Romero, J.; Duarte, C.M.; López, N.I.
- Año de publicación
- 1997
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The extent and seasonality of nutrient limitation of Posidonia oceanica (L.) Delile in the Costa Brava littoral (NW Mediterranean) in 5 meadows was investigated by means of repeated nutrient additions along a year cycle. Nutrient additions had a modest effect on leaf growth. The response to fertilization varied considerably among meadows, with those meadows consistently maintaining low (300 μM dissolved inorganic nitrogen and 9 μM soluble reactive phosphorus) dissolved inorganic nutrient concentrations in sediment pore waters showing the greatest response to fertilization. The seasonality of the growth response to fertilization was consistent with calculated nutrient deficiencies, which were greatest in late spring and summer. Nutrient deficiency was alleviated in the fall, partially due to reduced growth, but also to nutrient reclamation from old leaves, which represented 20% and 18% of the annual nitrogen and phosphorus incorporation, respectively. The relative deficiency of nitrogen and phosphorus differed among sites, with the highest response found in P-deficient meadows. Nutrient limitation of P. oceanica meadows was greatest in late spring and summer, but differed greatly in magnitude and nature (nitrogen vs phosphorus) depending on local nutrient regimes.
- Fuente
- MAR. ECOL. PROG. SER. 1997;146(1-3):155-161
- Materia
-
Growth
Nitrogen
Phosphorus
Retranslocation
Seasonality
Posidonia oceanica
Posidonia oceanica
Posidoniaceae
growth
nutrient limitation
seagrass
seagrass meadows
seasonality
Spain, Catalonia, Costa Brava - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/2.5/ar
- Repositorio
- Institución
- Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales
- OAI Identificador
- paperaa:paper_01718630_v146_n1-3_p155_Alcoverro
Ver los metadatos del registro completo
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Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW MediterraneanAlcoverro, T.Romero, J.Duarte, C.M.López, N.I.GrowthNitrogenPhosphorusRetranslocationSeasonalityPosidonia oceanicaPosidonia oceanicaPosidoniaceaegrowthnutrient limitationseagrassseagrass meadowsseasonalitySpain, Catalonia, Costa BravaThe extent and seasonality of nutrient limitation of Posidonia oceanica (L.) Delile in the Costa Brava littoral (NW Mediterranean) in 5 meadows was investigated by means of repeated nutrient additions along a year cycle. Nutrient additions had a modest effect on leaf growth. The response to fertilization varied considerably among meadows, with those meadows consistently maintaining low (300 μM dissolved inorganic nitrogen and 9 μM soluble reactive phosphorus) dissolved inorganic nutrient concentrations in sediment pore waters showing the greatest response to fertilization. The seasonality of the growth response to fertilization was consistent with calculated nutrient deficiencies, which were greatest in late spring and summer. Nutrient deficiency was alleviated in the fall, partially due to reduced growth, but also to nutrient reclamation from old leaves, which represented 20% and 18% of the annual nitrogen and phosphorus incorporation, respectively. The relative deficiency of nitrogen and phosphorus differed among sites, with the highest response found in P-deficient meadows. Nutrient limitation of P. oceanica meadows was greatest in late spring and summer, but differed greatly in magnitude and nature (nitrogen vs phosphorus) depending on local nutrient regimes.1997info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12110/paper_01718630_v146_n1-3_p155_AlcoverroMAR. ECOL. PROG. SER. 1997;146(1-3):155-161reponame:Biblioteca Digital (UBA-FCEN)instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesinstacron:UBA-FCENenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/2.5/ar2025-09-29T13:42:54Zpaperaa:paper_01718630_v146_n1-3_p155_AlcoverroInstitucionalhttps://digital.bl.fcen.uba.ar/Universidad públicaNo correspondehttps://digital.bl.fcen.uba.ar/cgi-bin/oaiserver.cgiana@bl.fcen.uba.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:18962025-09-29 13:42:55.76Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturalesfalse |
dc.title.none.fl_str_mv |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean |
title |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean |
spellingShingle |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean Alcoverro, T. Growth Nitrogen Phosphorus Retranslocation Seasonality Posidonia oceanica Posidonia oceanica Posidoniaceae growth nutrient limitation seagrass seagrass meadows seasonality Spain, Catalonia, Costa Brava |
title_short |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean |
title_full |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean |
title_fullStr |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean |
title_full_unstemmed |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean |
title_sort |
Spatial and temporal variations in nutrient limitation of seagrass Posidonia oceanica growth in the NW Mediterranean |
dc.creator.none.fl_str_mv |
Alcoverro, T. Romero, J. Duarte, C.M. López, N.I. |
author |
Alcoverro, T. |
author_facet |
Alcoverro, T. Romero, J. Duarte, C.M. López, N.I. |
author_role |
author |
author2 |
Romero, J. Duarte, C.M. López, N.I. |
author2_role |
author author author |
dc.subject.none.fl_str_mv |
Growth Nitrogen Phosphorus Retranslocation Seasonality Posidonia oceanica Posidonia oceanica Posidoniaceae growth nutrient limitation seagrass seagrass meadows seasonality Spain, Catalonia, Costa Brava |
topic |
Growth Nitrogen Phosphorus Retranslocation Seasonality Posidonia oceanica Posidonia oceanica Posidoniaceae growth nutrient limitation seagrass seagrass meadows seasonality Spain, Catalonia, Costa Brava |
dc.description.none.fl_txt_mv |
The extent and seasonality of nutrient limitation of Posidonia oceanica (L.) Delile in the Costa Brava littoral (NW Mediterranean) in 5 meadows was investigated by means of repeated nutrient additions along a year cycle. Nutrient additions had a modest effect on leaf growth. The response to fertilization varied considerably among meadows, with those meadows consistently maintaining low (300 μM dissolved inorganic nitrogen and 9 μM soluble reactive phosphorus) dissolved inorganic nutrient concentrations in sediment pore waters showing the greatest response to fertilization. The seasonality of the growth response to fertilization was consistent with calculated nutrient deficiencies, which were greatest in late spring and summer. Nutrient deficiency was alleviated in the fall, partially due to reduced growth, but also to nutrient reclamation from old leaves, which represented 20% and 18% of the annual nitrogen and phosphorus incorporation, respectively. The relative deficiency of nitrogen and phosphorus differed among sites, with the highest response found in P-deficient meadows. Nutrient limitation of P. oceanica meadows was greatest in late spring and summer, but differed greatly in magnitude and nature (nitrogen vs phosphorus) depending on local nutrient regimes. |
description |
The extent and seasonality of nutrient limitation of Posidonia oceanica (L.) Delile in the Costa Brava littoral (NW Mediterranean) in 5 meadows was investigated by means of repeated nutrient additions along a year cycle. Nutrient additions had a modest effect on leaf growth. The response to fertilization varied considerably among meadows, with those meadows consistently maintaining low (300 μM dissolved inorganic nitrogen and 9 μM soluble reactive phosphorus) dissolved inorganic nutrient concentrations in sediment pore waters showing the greatest response to fertilization. The seasonality of the growth response to fertilization was consistent with calculated nutrient deficiencies, which were greatest in late spring and summer. Nutrient deficiency was alleviated in the fall, partially due to reduced growth, but also to nutrient reclamation from old leaves, which represented 20% and 18% of the annual nitrogen and phosphorus incorporation, respectively. The relative deficiency of nitrogen and phosphorus differed among sites, with the highest response found in P-deficient meadows. Nutrient limitation of P. oceanica meadows was greatest in late spring and summer, but differed greatly in magnitude and nature (nitrogen vs phosphorus) depending on local nutrient regimes. |
publishDate |
1997 |
dc.date.none.fl_str_mv |
1997 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/20.500.12110/paper_01718630_v146_n1-3_p155_Alcoverro |
url |
http://hdl.handle.net/20.500.12110/paper_01718630_v146_n1-3_p155_Alcoverro |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by/2.5/ar |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
MAR. ECOL. PROG. SER. 1997;146(1-3):155-161 reponame:Biblioteca Digital (UBA-FCEN) instname:Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales instacron:UBA-FCEN |
reponame_str |
Biblioteca Digital (UBA-FCEN) |
collection |
Biblioteca Digital (UBA-FCEN) |
instname_str |
Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales |
instacron_str |
UBA-FCEN |
institution |
UBA-FCEN |
repository.name.fl_str_mv |
Biblioteca Digital (UBA-FCEN) - Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales |
repository.mail.fl_str_mv |
ana@bl.fcen.uba.ar |
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1844618734592851968 |
score |
13.070432 |