Land use alters the abundance of herbivore and predatory insects on crops: the case of alfalfa
Visualitza/Obre
Autor/a
Madeira, Filipe
Clemente-Orta, Gemma
Batuecas, Ivan
Sossai, Samuel
Albajes, Ramon
Data de publicació
2021-06-11ISBN
1612-4758
Resum
We assess the effects of changing land use and crop management on alfalfa insect abundance by comparing it in 50 alfalfa fields when they were inserted in landscapes with different proportions of arable crops and orchards. Land use in a buffer of 500m.was assessed and alfalfa insect abundance was estimated with sticky yellow traps.Numbers of catches of several herbivores and predators were related to the proportion of landscape components and several field variables. Results indicated that the proportion of orchards in the buffer negatively affected the abundance of predators on alfalfa; likely because orchards treated with pesticides are a sink for predators moving in the landscape, among other possible causes. Other landscape variables such as noncrop habitats, winter cereals, and landscape diversity analyzed by the Shannon index had a minor influence. Among field variables, field size influenced positively the abundance of insects on alfalfa whereas alfalfa growth stage and age affected positively or negatively the different herbivores and predators. Of course, abundance of predators and prey was affected by the abundance of prey and predators, respectively. These findings suggest that a high proportion of intensively managed crops (orchards) in the landscape interferes with the role of alfalfa as a reservoir of predatory insects for adjacent crops and that the responses to local and landscape structures are temporal and species-specific as previously concluded for maize. Consequently, landscape and field management strategies to improve pest control must consider both types of variables as well as their changing influence when we modify them.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
632 - Malalties i protecció de les plantes
Pàgines
42
Publicat per
Springer
Publicat a
Journal of Pest Science
Citació
Madeira, Filipe, Gemma Clemente-Orta, Oscar Alomar, Ivan Batuecas, Samuel Sossai, and Ramon Albajes. 2021. "Land Use Alters The Abundance Of Herbivore And Predatory Insects On Crops: The Case Of Alfalfa". Journal Of Pest Science. doi:10.1007/s10340-021-01395-y.
Número de l'acord de la subvenció
MINECO/Programa Estatal de I+D+I orientada a los retos de la Sociedad/AGL2014-53970-C2-1-R/ES/MEJORA DEL CONTROL INTEGRADO EN PAISAJES MIXTOS DE HUERTOS FRUTALES DE HUESO Y CULTIVOS EXTENSIVOS/
MINECO/Programa Estatal de I+D+I orientada a los retos de la Sociedad/AGL2014-53970-C2-2-R/ES/EL PAISAJE EN EL CONTROL BIOLOGICO POR CONSERVACION EN FRUTALES DE HUESO/
MICIU-FEDER-AEI/Programa Estatal de generación del conocimiento y fortalecimiento científico y tecnológico del sistema I+D+I/PID2019-107030RB-C21/ES/PRACTICAS SOSTENIBLES PARA EL CONTROL DE TRIPS Y PULGONES EN FRUTALES DE HUESO Y DE PEPITA/
MINECO/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/BES-2015-075700/ES/ /
EC/H2020/634179/EU/Effective Management of Pests and Harmful Alien Species - Integrated Solutions/EMPHASIS
EC/H2020/633999/EU/EU-CHINA Lever for IPM Demonstration/EUCLID
Programa
Protecció Vegetal Sostenible
Aquest element apareix en la col·lecció o col·leccions següent(s)
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Drets
Copyright © 2021, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature
Excepte que s'indiqui una altra cosa, la llicència de l'ítem es descriu com http://creativecommons.org/licenses/by-nc-nd/4.0/