Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands

Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands

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1. Plant damage by invertebrate herbivores and pathogens influences the dynamics of grassland ecosystems, but anthropogenic changes in nitrogen and phosphorus availability can modify these relationships. 2. Using a globally distributed experiment, we describe leaf damage on 153 plant taxa from 27 grasslands worldwide, under ambient conditions and with experimentally elevated nitrogen and phosphorus. 3. Invertebrate damage significantly increased with nitrogen addition, especially in grasses and non-leguminous forbs. Pathogen damage increased with nitrogen in grasses and legumes but not forbs. Effects of phosphorus were generally weaker. Damage was higher in grasslands with more precipitation, but climatic conditions did not change effects of nutrients on leaf damage. On average, invertebrate damage was relatively higher on legumes and pathogen damage was relatively higher on grasses. Community-weighted mean damage reflected these functional group patterns, with no effects of N on community-weighted pathogen damage (due to opposing responses of grasses and forbs) but stronger effects of N on community-weighted invertebrate damage (due to consistent responses of grasses and forbs). 4. Synthesis. As human-induced inputs of nitrogen and phosphorus continue to increase, understanding their impacts on invertebrate and pathogen damage becomes increasingly important. Our results demonstrate that eutrophication frequently increases plant damage and that damage increases with precipitation across a wide array of grasslands. Invertebrate and pathogen damage in grasslands is likely to increase in the future, with potential consequences for plant, invertebrate and pathogen communities, as well as the transfer of energy and nutrients across trophic levels.

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Main Authors: Ebeling, Anne‏, Strauss, Alexander T., Adler, Peter B., Graff, Bárbara Pamela, Daleo, Pedro, Pascual, Jesús María, Peri, Pablo Luis, Speziale, Karina L.
Format: Texto biblioteca
Language:eng
Subjects:FUNGI, GRASSLANDS, INSECTS, NITROGEN, NUTRIENT NETWORK, PHOSPHORUS, PRECIPITATION GRADIENT, TEMPERATURE GRADIENT, ,
Online Access:http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=55505
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id KOHA-OAI-AGRO:55505
record_format koha
institution UBA FA
collection Koha
country Argentina
countrycode AR
component Bibliográfico
access En linea
En linea
databasecode cat-ceiba
tag biblioteca
region America del Sur
libraryname Biblioteca Central FAUBA
language eng
topic FUNGI
GRASSLANDS
INSECTS
NITROGEN
NUTRIENT NETWORK
PHOSPHORUS
PRECIPITATION GRADIENT
TEMPERATURE GRADIENT

FUNGI
GRASSLANDS
INSECTS
NITROGEN
NUTRIENT NETWORK
PHOSPHORUS
PRECIPITATION GRADIENT
TEMPERATURE GRADIENT
spellingShingle FUNGI
GRASSLANDS
INSECTS
NITROGEN
NUTRIENT NETWORK
PHOSPHORUS
PRECIPITATION GRADIENT
TEMPERATURE GRADIENT

FUNGI
GRASSLANDS
INSECTS
NITROGEN
NUTRIENT NETWORK
PHOSPHORUS
PRECIPITATION GRADIENT
TEMPERATURE GRADIENT
Ebeling, Anne‏
Strauss, Alexander T.
Adler, Peter B.
Graff, Bárbara Pamela
Daleo, Pedro
Pascual, Jesús María
Peri, Pablo Luis
Speziale, Karina L.
Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands
description 1. Plant damage by invertebrate herbivores and pathogens influences the dynamics of grassland ecosystems, but anthropogenic changes in nitrogen and phosphorus availability can modify these relationships. 2. Using a globally distributed experiment, we describe leaf damage on 153 plant taxa from 27 grasslands worldwide, under ambient conditions and with experimentally elevated nitrogen and phosphorus. 3. Invertebrate damage significantly increased with nitrogen addition, especially in grasses and non-leguminous forbs. Pathogen damage increased with nitrogen in grasses and legumes but not forbs. Effects of phosphorus were generally weaker. Damage was higher in grasslands with more precipitation, but climatic conditions did not change effects of nutrients on leaf damage. On average, invertebrate damage was relatively higher on legumes and pathogen damage was relatively higher on grasses. Community-weighted mean damage reflected these functional group patterns, with no effects of N on community-weighted pathogen damage (due to opposing responses of grasses and forbs) but stronger effects of N on community-weighted invertebrate damage (due to consistent responses of grasses and forbs). 4. Synthesis. As human-induced inputs of nitrogen and phosphorus continue to increase, understanding their impacts on invertebrate and pathogen damage becomes increasingly important. Our results demonstrate that eutrophication frequently increases plant damage and that damage increases with precipitation across a wide array of grasslands. Invertebrate and pathogen damage in grasslands is likely to increase in the future, with potential consequences for plant, invertebrate and pathogen communities, as well as the transfer of energy and nutrients across trophic levels.
format Texto
topic_facet
FUNGI
GRASSLANDS
INSECTS
NITROGEN
NUTRIENT NETWORK
PHOSPHORUS
PRECIPITATION GRADIENT
TEMPERATURE GRADIENT
author Ebeling, Anne‏
Strauss, Alexander T.
Adler, Peter B.
Graff, Bárbara Pamela
Daleo, Pedro
Pascual, Jesús María
Peri, Pablo Luis
Speziale, Karina L.
author_facet Ebeling, Anne‏
Strauss, Alexander T.
Adler, Peter B.
Graff, Bárbara Pamela
Daleo, Pedro
Pascual, Jesús María
Peri, Pablo Luis
Speziale, Karina L.
author_sort Ebeling, Anne‏
title Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands
title_short Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands
title_full Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands
title_fullStr Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands
title_full_unstemmed Nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands
title_sort nutrient enrichment increases invertebrate herbivory and pathogen damage in grasslands
url http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=55505
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http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=
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spelling KOHA-OAI-AGRO:555052024-12-05T13:56:35Zhttp://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=55505http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=AAGNutrient enrichment increases invertebrate herbivory and pathogen damage in grasslandsEbeling, Anne‏Strauss, Alexander T.Adler, Peter B.Graff, Bárbara PamelaDaleo, PedroPascual, Jesús MaríaPeri, Pablo LuisSpeziale, Karina L.textengapplication/pdfapplication/pdf1. Plant damage by invertebrate herbivores and pathogens influences the dynamics of grassland ecosystems, but anthropogenic changes in nitrogen and phosphorus availability can modify these relationships. 2. Using a globally distributed experiment, we describe leaf damage on 153 plant taxa from 27 grasslands worldwide, under ambient conditions and with experimentally elevated nitrogen and phosphorus. 3. Invertebrate damage significantly increased with nitrogen addition, especially in grasses and non-leguminous forbs. Pathogen damage increased with nitrogen in grasses and legumes but not forbs. Effects of phosphorus were generally weaker. Damage was higher in grasslands with more precipitation, but climatic conditions did not change effects of nutrients on leaf damage. On average, invertebrate damage was relatively higher on legumes and pathogen damage was relatively higher on grasses. Community-weighted mean damage reflected these functional group patterns, with no effects of N on community-weighted pathogen damage (due to opposing responses of grasses and forbs) but stronger effects of N on community-weighted invertebrate damage (due to consistent responses of grasses and forbs). 4. Synthesis. As human-induced inputs of nitrogen and phosphorus continue to increase, understanding their impacts on invertebrate and pathogen damage becomes increasingly important. Our results demonstrate that eutrophication frequently increases plant damage and that damage increases with precipitation across a wide array of grasslands. Invertebrate and pathogen damage in grasslands is likely to increase in the future, with potential consequences for plant, invertebrate and pathogen communities, as well as the transfer of energy and nutrients across trophic levels.1. Plant damage by invertebrate herbivores and pathogens influences the dynamics of grassland ecosystems, but anthropogenic changes in nitrogen and phosphorus availability can modify these relationships. 2. Using a globally distributed experiment, we describe leaf damage on 153 plant taxa from 27 grasslands worldwide, under ambient conditions and with experimentally elevated nitrogen and phosphorus. 3. Invertebrate damage significantly increased with nitrogen addition, especially in grasses and non-leguminous forbs. Pathogen damage increased with nitrogen in grasses and legumes but not forbs. Effects of phosphorus were generally weaker. Damage was higher in grasslands with more precipitation, but climatic conditions did not change effects of nutrients on leaf damage. On average, invertebrate damage was relatively higher on legumes and pathogen damage was relatively higher on grasses. Community-weighted mean damage reflected these functional group patterns, with no effects of N on community-weighted pathogen damage (due to opposing responses of grasses and forbs) but stronger effects of N on community-weighted invertebrate damage (due to consistent responses of grasses and forbs). 4. Synthesis. As human-induced inputs of nitrogen and phosphorus continue to increase, understanding their impacts on invertebrate and pathogen damage becomes increasingly important. Our results demonstrate that eutrophication frequently increases plant damage and that damage increases with precipitation across a wide array of grasslands. Invertebrate and pathogen damage in grasslands is likely to increase in the future, with potential consequences for plant, invertebrate and pathogen communities, as well as the transfer of energy and nutrients across trophic levels.FUNGIGRASSLANDSINSECTSNITROGENNUTRIENT NETWORKPHOSPHORUSPRECIPITATION GRADIENTTEMPERATURE GRADIENTJournal of ecology

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