A5019622946- Mollusks and Parasites Studies
- Invertebrate Taxonomy and Ecology
- Aquatic Invertebrate Ecology and Behavior
- Insect and Pesticide Research
- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Botany and Plant Ecology Studies
- Species Distribution and Climate Change
- Forest Ecology and Biodiversity Studies
- Biomedical Text Mining and Ontologies
- Animal Ecology and Behavior Studies
- Study of Mite Species
- Biological Control of Invasive Species
- Fire effects on ecosystems
- Insect and Arachnid Ecology and Behavior
- Environmental Conservation and Management
- Rangeland and Wildlife Management
- Climate Change Communication and Perception
- Insect behavior and control techniques
- Telemedicine and Telehealth Implementation
- Science, Research, and Medicine
- European and International Law Studies
- Agricultural safety and regulations
- Forest Insect Ecology and Management
- Plant Parasitism and Resistance
University of Bergen
2010-2023
Norwegian Institute of Bioeconomy Research
2015-2023
University of Calcutta
2023
NILU
2013-2015
Abstract Arion lusitanicus has become a major pest species in western Norway the last few years. This originates from southern Europe but been spread by humans over large parts of central and northern during recent decades. Slugs have traditionally controlled use molluscicides; but, as these may serious ecological side effects, biological control slugs is highly desirable. Potential agents include nematodes, gastropods arthropods. In laboratory experiments, we tested whether five common...
Abstract The invasive Iberian slug, Arion lusitanicus , is spreading through Europe and poses a major threat to horticulture agriculture. Natural enemies, capable of killing A. may be important our understanding its population dynamics in recently invaded regions. We used polymerase chain reaction (PCR) study predation on by carabid beetles the field. A first multiplex PCR was developed, incorporating species-specific primers, optimised order amplify parts mitochondrial cytochrome c oxidase...
A survey of nematodes associated with terrestrial slugs was conducted for the first time in Norway. total 611 were collected from 32 sample sites. Slugs identified by means morphological examination, dissection genitalia and molecular analysis using mitochondrial DNA. Twelve slug species identified, representing four different families. Internal identified sequencing 18S rRNA gene. Of sites studied, 62.5% found to be positive nematode parasites, 18.7% all discovered being infected. Five this...
The large arionid slug Arion vulgaris is an invasive pest dispersing through parts of Europe and causing considerable damage in gardens, horticulture agriculture. It also possible that this so-called "Iberian slug" has impact on Norwegian ecosystems, displacing or hybridizing with the native black ater. taxonomy arionids complex confusing, encompassing different anatomical forms colour varieties. present study integrates, for first time, coloration, ligula morphology, genital morphometry,...
Abstract Fire is a widespread management practice used in the maintenance of European heathland. Frequent prescribed burns small patches have been shown to benefit carabid communities; however, how fire favours specific life‐history traits poorly understood. In this study, we identify characteristic species successional stages within heathlands, and find which are burnt areas versus dominated by older heath stands. We 10 as indicator for heathland pioneer stage (0–5 years old); Amara...
The present distribution of the invasive slug Arion vulgaris Moquin-Tandon was studied in Norway. This important pest species has spread to many parts Europe during last decades, inflicting damage agriculture and domestic gardens. It first recorded Norway 1988, since country is now 192 municipalities. We surveyed current by sampling gathering records cooperation with garden societies local authorities. Based on these records, we distributional data as well relative predictions future...
Arion vulgaris Moquin-Tandon 1855 is one of the most important invasive species in Europe, affecting both biodiversity and agriculture. The spreading many parts inflicting severe damage to horticultural plants cultivated crops partly due a lack satisfactory effective management solutions. Molluscicides have traditionally been used manage slug densities, although effects are variable some side-effects on other biota. Thus, there need explore potential alternatives such as biological control....
Abstract Arion vulgaris Moquin-Tandon, 1855 is regarded as one of the 100 most invasive species in Europe. The native distribution range this uncertain, but for many years, Iberian Peninsula has been considered area origin. However, recent studies indicate that A. probably originated from France. We have investigated genetic structure 33 European populations (Poland, Norway, Germany, France, Denmark, Switzerland) slug, based on two molecular markers, mitochondrial cytochrome c oxidase...
Abstract 1 . Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some become ecologically harmful by threatening native biota. This can lead irreversible changes in local biodiversity ecosystem functioning, and, ultimately, biotic homogenisation. 2 We risk‐assessed all plants, animals, fungi algae, within certain delimitations, that are known reproduce Norway. Mainland Norway Arctic archipelago Svalbard plus Jan Mayen were treated as separate...
The dynamics of predation on parasites within prey has received relatively little attention despite the profound effects this is likely to have both and parasite numbers hence biological control programmes where are employed. nematode Phasmarhabditis hermaphrodita a commercially available agent against slugs. Predation these slugs may, at same time, result in intraguild slug-parasitic nematodes. This study describes, for first by carabid beetles their spatial temporal scales, using PCR-based...
Angiostoma norvegicum n. sp. (Angiostomatidae) is described from the oesophagus, crop and buccal mass of five species slugs family Arionidae, Arion vulgaris (Moquin-Tandon), ater (L.), fasciatus (Nilsson), fuscus (Müller) rufus/Arion hybrid), collected throughout Norway. was found parasitising arionids at seven 30 sample sites examined (23.3%), 9.9% all spp. were infected with this nematode. The new characterised by its large size (4.0–8.6 mm long) in having: lateral alae; 6 + papillae...
Abstract The worldwide decline in bees and other pollinating insects is a threat to biodiversity food security, urgent action must be taken stop then reverse this decline. An established cause of the insect use harmful pesticides agriculture. This case study focuses on Norwegian apple production considers who among farmers, consumers public authorities most responsible for protecting against pesticides. extent which these three different groups consider themselves degree they are trusted by...
Integrated pest management (IPM) has a long history in fruit production and become even more important with the implementation of EU directive 2009/128/EC making IPM mandatory. In this study, we surveyed 30 apple orchards Norway for 3 years (2016-2018) monitoring pest- beneficial arthropods as well evaluating damage. We obtained growers' diaries used these data to study positive negative correlations pesticides different arthropod groups damage due pests.IPM level had no significant effects...
During a pitfall trapping study in coastal area of Central Norway (2002, 2003), three new species ground beetles (Coleoptera, Carabidae) were recorded North Trøndelag County: Notiophilus palustris (Duftschmid, 1812), Cymindis vaporariorum (L., 1758) and Amara aenea (Degeer, 1774). In addition, 14 to the parts county, where total number carabids known occur stands at 46. There are 111 carabid Trøndelag. The distributions for discussed context spreading abilities.
An essential prerequisite to safeguard pollinator species is characterisation of the multifaceted diversity crop pollinators, and identification drivers community changes across biogeographical gradients. The extent which intensive agriculture associated with homogenisation biological communities at large spatial scales remains poorly understood. In this study, we investigated relationships between different bee for 644 species/morphospecies in 177 commercial apple orchards 33 countries four...