Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos
Pampean fluvial ecosystems of low order usually lack of riparian vegetation. In recent years the invasion of honey locust (Gleditsia triacanthos L.) has caused changes in landscape composition. The aim of this study was to evaluate the effect of honey locust invasion on pampean streams. Three reaches with different degree of invasion were selected and compared with three control reaches with no canopy. In order to evaluate the effect of invasion, nutrients (soluble reactive phosphorus, ammonium and nitrates), biomass of producers (seston, macrophytes, periphyton and phytobenthos) and net production in each reach were determined. Significant differences were observed for all of variables estimated between reaches with and without canopy, but not in all cases. The amount of variables with significant differences between both reaches rises following a gradient of increasing invasion levels. Furthermore, differences are more pronounced with increasing percentage of honey locust coverage on the stream. We conclude that sustained invasion of honey locust modifies the concentration of nutrients in water, the biomass of some communities and the production of these communities. This effect could be avoided with early management of the invasion of honey locust.
Main Authors: | , , , , , , , |
---|---|
Format: | Digital revista |
Language: | spa |
Published: |
Instituto de Limnología "Raúl A. Ringuelet", Facultad de Ciencias Naturales y Museo (UNLP)
2014
|
Online Access: | https://revistas.unlp.edu.ar/bacuatica/article/view/7706 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
id |
rev-bacuatica-ar-article-7706 |
---|---|
record_format |
ojs |
spelling |
rev-bacuatica-ar-article-77062021-02-03T15:42:57Z Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos Vilches, Carolina Torremorell, Ana María Debandi, Juan Rodríguez Castro, M. Carolina Rigacci, Laura Zunino, Eduardo Kravetz, Sebastián Giorgi, Adonis arroyos pampeanos Gleditsia triacanthos nutrientes productores Argentina pampean streams Gleditsia triacanthos nutrients producers Argentina Pampean fluvial ecosystems of low order usually lack of riparian vegetation. In recent years the invasion of honey locust (Gleditsia triacanthos L.) has caused changes in landscape composition. The aim of this study was to evaluate the effect of honey locust invasion on pampean streams. Three reaches with different degree of invasion were selected and compared with three control reaches with no canopy. In order to evaluate the effect of invasion, nutrients (soluble reactive phosphorus, ammonium and nitrates), biomass of producers (seston, macrophytes, periphyton and phytobenthos) and net production in each reach were determined. Significant differences were observed for all of variables estimated between reaches with and without canopy, but not in all cases. The amount of variables with significant differences between both reaches rises following a gradient of increasing invasion levels. Furthermore, differences are more pronounced with increasing percentage of honey locust coverage on the stream. We conclude that sustained invasion of honey locust modifies the concentration of nutrients in water, the biomass of some communities and the production of these communities. This effect could be avoided with early management of the invasion of honey locust. Los ecosistemas fluviales pampeanos de orden bajo suelen carecer de vegetación ribereña. En los últimos años, la invasión de la langosta de la miel (Gleditsia triacanthos L.) ha causado cambios en la composición del paisaje. El objetivo de este estudio fue evaluar el efecto de la invasión de la acacia negra en los arroyos pampeanos. Se seleccionaron tres tramos con diferente grado de invasión y se compararon con tres sectores de control sin dosel. Para evaluar el efecto de la invasión, se determinaron los nutrientes (fósforo reactivo soluble, amonio y nitratos), la biomasa de los productores (seston, macrofitos, perifitón y fitobentos) y la producción neta en cada sector. Se observaron diferencias significativas para todas las variables estimadas entre tramos con y sin dosel, pero no en todos los casos. La cantidad de variables con diferencias significativas entre ambas situaciones aumenta luego de un gradiente de niveles crecientes de invasión. Además, las diferencias son más pronunciadas con el aumento del porcentaje de cobertura de la acacia negra en el arroyo. Concluimos que la invasión sostenida de la acacia negra modifica la concentración de nutrientes en el agua, la biomasa de algunas comunidades y la producción de estas comunidades. Este efecto podría evitarse con el manejo temprano de la invasión de la acacia negra. Instituto de Limnología "Raúl A. Ringuelet", Facultad de Ciencias Naturales y Museo (UNLP) 2014-10-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unlp.edu.ar/bacuatica/article/view/7706 Biología Acuática; Núm. 30 (2014): Trabajos completos del VII Congreso de Ecología y Manejo de Ecosistemas Acuáticos Pampeanos (EMEAP); 241-248 Biología Acuática; No. 30 (2014): Trabajos completos del VII Congreso de Ecología y Manejo de Ecosistemas Acuáticos Pampeanos (EMEAP); 241-248 Biología Acuática; No. 30 (2014): Trabajos completos del VII Congreso de Ecología y Manejo de Ecosistemas Acuáticos Pampeanos (EMEAP); 241-248 Biología Acuática; n. 30 (2014): Trabajos completos del VII Congreso de Ecología y Manejo de Ecosistemas Acuáticos Pampeanos (EMEAP); 241-248 1668-4869 spa https://revistas.unlp.edu.ar/bacuatica/article/view/7706/6742 |
institution |
UNLP AR |
collection |
OJS |
country |
Argentina |
countrycode |
AR |
component |
Revista |
access |
En linea |
databasecode |
rev-bacuatica-ar |
tag |
revista |
region |
America del Sur |
libraryname |
Biblioteca de la Facultad de Ciencias Naturales y Museo de la UNLP Argentina |
language |
spa |
format |
Digital |
author |
Vilches, Carolina Torremorell, Ana María Debandi, Juan Rodríguez Castro, M. Carolina Rigacci, Laura Zunino, Eduardo Kravetz, Sebastián Giorgi, Adonis |
spellingShingle |
Vilches, Carolina Torremorell, Ana María Debandi, Juan Rodríguez Castro, M. Carolina Rigacci, Laura Zunino, Eduardo Kravetz, Sebastián Giorgi, Adonis Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos |
author_facet |
Vilches, Carolina Torremorell, Ana María Debandi, Juan Rodríguez Castro, M. Carolina Rigacci, Laura Zunino, Eduardo Kravetz, Sebastián Giorgi, Adonis |
author_sort |
Vilches, Carolina |
title |
Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos |
title_short |
Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos |
title_full |
Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos |
title_fullStr |
Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos |
title_full_unstemmed |
Efecto de la invasión de acacia negra (Gleditsia triacanthos L.) sobre arroyos pampeanos |
title_sort |
efecto de la invasión de acacia negra (gleditsia triacanthos l.) sobre arroyos pampeanos |
description |
Pampean fluvial ecosystems of low order usually lack of riparian vegetation. In recent years the invasion of honey locust (Gleditsia triacanthos L.) has caused changes in landscape composition. The aim of this study was to evaluate the effect of honey locust invasion on pampean streams. Three reaches with different degree of invasion were selected and compared with three control reaches with no canopy. In order to evaluate the effect of invasion, nutrients (soluble reactive phosphorus, ammonium and nitrates), biomass of producers (seston, macrophytes, periphyton and phytobenthos) and net production in each reach were determined. Significant differences were observed for all of variables estimated between reaches with and without canopy, but not in all cases. The amount of variables with significant differences between both reaches rises following a gradient of increasing invasion levels. Furthermore, differences are more pronounced with increasing percentage of honey locust coverage on the stream. We conclude that sustained invasion of honey locust modifies the concentration of nutrients in water, the biomass of some communities and the production of these communities. This effect could be avoided with early management of the invasion of honey locust. |
publisher |
Instituto de Limnología "Raúl A. Ringuelet", Facultad de Ciencias Naturales y Museo (UNLP) |
publishDate |
2014 |
url |
https://revistas.unlp.edu.ar/bacuatica/article/view/7706 |
work_keys_str_mv |
AT vilchescarolina efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos AT torremorellanamaria efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos AT debandijuan efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos AT rodriguezcastromcarolina efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos AT rigaccilaura efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos AT zuninoeduardo efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos AT kravetzsebastian efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos AT giorgiadonis efectodelainvasiondeacacianegragleditsiatriacanthoslsobrearroyospampeanos |
_version_ |
1755912612552376320 |