Helen E. Roy mainly investigates Ecology, Introduced species, Harmonia axyridis, Coccinellidae and Animal ecology. Her study brings together the fields of Citizen science and Ecology. Her biological study spans a wide range of topics, including Propagule pressure and Environmental resource management.
As part of her studies on Harmonia axyridis, Helen E. Roy often connects relevant areas like Intraguild predation. Her Animal ecology course of study focuses on Entomology and Fungus, Microbiology and Entomopathogenic fungi. Her Biodiversity research includes themes of Population decline, Habitat, Predator, Species richness and Risk assessment.
Helen E. Roy spends much of her time researching Ecology, Harmonia axyridis, Biodiversity, Invasive species and Introduced species. Ecology is a component of her Coccinellidae, Predation, Habitat, Range and Alien species studies. Her work carried out in the field of Predation brings together such families of science as Competition, Natural enemies and Biological pest control.
The concepts of her Harmonia axyridis study are interwoven with issues in Zoology, Animal ecology, Intraguild predation and Coccinella septempunctata. Her studies in Animal ecology integrate themes in fields like Entomology and Ecology. Her Biodiversity study combines topics in areas such as Wildlife, Environmental planning, Citizen science, Environmental resource management and Ecosystem.
Her scientific interests lie mostly in Biodiversity, Ecology, Alien species, Environmental planning and Citizen science. Her studies deal with areas such as Biosecurity, Ecosystem, Taxonomic rank and Occupancy as well as Biodiversity. Helen E. Roy conducted interdisciplinary study in her works that combined Ecology and Pollinator.
Her Environmental planning study also includes
Her primary areas of investigation include Biodiversity, Ecology, Ecosystem, Risk assessment and Pollinator. Her work deals with themes such as Taxonomic rank, Ecology, Climate change and Environmental planning, which intersect with Biodiversity. Her Ecology research includes elements of Taxon and Biological dispersal.
Her work is connected to Species richness, Habitat, Biosecurity and Introduced species, as a part of Ecology. Her Biosecurity study combines topics from a wide range of disciplines, such as Invertebrate, Peninsula and Invasive species. Her Ecosystem research focuses on Alien species and how it connects with Mediterranean climate, Scope, Scale and Environmental resource management.
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No saturation in the accumulation of alien species worldwide.
Nature Communications (2017)
Fungal entomopathogens: new insights on their ecology
Fernando E. Vega;Mark S. Goettel;Meredith Blackwell;David Chandler.
Fungal Ecology (2009)
BIZARRE INTERACTIONS AND ENDGAMES: Entomopathogenic Fungi and Their Arthropod Hosts
Helen E. Roy;D.C. Steinkraus;Joergen Eilenberg;A.E. Hajek.
Annual Review of Entomology (2006)
Scientists' warning on invasive alien species.
Biological Reviews (2020)
Harmonia axyridis in Europe: spread and distribution of a non-native coccinellid
Widespread losses of pollinating insects in Britain.
Nature Communications (2019)
Global rise in emerging alien species results from increased accessibility of new source pools.
Proceedings of the National Academy of Sciences of the United States of America (2018)
The harlequin ladybird, Harmonia axyridis: global perspectives on invasion history and ecology
Helen E. Roy;Pëter M.J. Brown;Tim Adriaens;Nick Berkvens.
Biological Invasions (2016)
Invasive alien predator causes rapid declines of native European ladybirds
Diversity and Distributions (2012)
Intraguild predation involving Harmonia axyridis : a review of current knowledge and future perspectives
Judith K. Pell;Jason Baverstock;Helen E. Roy;Remy L. Ware.
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