Elia Guariento

Elia Guariento
Eurac Research · Institute for Alpine Environment

PhD
Post-Doc working on biodiversity and community ecology, mostly of invertebrates

About

32
Publications
7,709
Reads
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82
Citations
Citations since 2016
32 Research Items
82 Citations
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Introduction
Post-Doc working on biodiversity and community ecology, mostly invertebrates with a special interest in ants & butterflies.
Additional affiliations
July 2018 - present
Eurac Research
Position
  • PhD Student
Education
December 2018 - October 2022
University of Innsbruck
Field of study
  • Biology
September 2015 - June 2018
University of Vienna
Field of study
  • Ecology and Ecosystem
September 2012 - September 2015
University of Vienna
Field of study
  • Biology

Publications

Publications (32)
Article
Full-text available
Background: The 'classical' concept of species diversity was extended in the last decades into other dimensions focusing on the functional and phylogenetic diversity of communities. These measures are often argued to allow a deeper understanding of the mechanisms shaping community assembly along environmental gradients. Because of practical impedi...
Article
Full-text available
Land-use changes and especially management intensification currently pose a major threat to biodiversity both on and beneath the soil surface. With a comparative approach, we investigated how management intensity in orchards and meadows influences soil macro-invertebrate communities in a North-Italian Alpine region. We compared soil fauna assemblie...
Article
Full-text available
To understand how diversity is distributed in space is a fundamental aim for optimizing future species and community conservation. We examined in parallel species richness and beta diversity components of nine taxonomic groups along a finite space, represented by pastured grasslands along an elevational gradient. Beta diversity, which is assumed to...
Article
Full-text available
1. Studying the feeding ecology of ants can reveal their trophic position and allow inferences on interactions with other organisms. We investigated the nutritional ecology of ants at the Alpine tree line (from subalpine forests to alpine grasslands), testing the hypothesis that changing food availability reflects upon ant feeding preference and tr...
Article
Full-text available
The severe biodiversity decline in European agricultural landscapes demands a specific evaluation of the various land-use practices. Many butterflies in Europe, as an important ecological indicator and pollinator taxon, require human interventions to sustain their populations in cultivated landscapes. However, land-use changes and management intens...
Article
Full-text available
Land-use changes, especially agricultural intensification has increased in the last decades leading to a decrease in biodiversity. In Europe, grasslands have been influenced by humans for centuries and millennia and management intensity has increased since the 20th century. In this small-case study, we investigate how management intensity affects g...
Article
Full-text available
Macro-invertebrates are important components of soil ecosystems as they provide a wide range of crucial functions and ecosystem services. Knowledge on their distribution in mountain soils is scarce despite the importance of such soils for people living in mountain regions as well as downstream. The present dataset contains records on soil macro-inv...
Poster
Full-text available
Streuobstwiesen, also Wiesen mit verstreut stehenden mittel- oder hochstämmigen Obstbäumen, verschwinden europaweit zusehends. Gründe dafür sind meist die Intensivierung der Landwirtschaft, oder ihre Auflassung. Auch hierzulande werden diese für die Artenvielfalt und landschaftlich wertvollen Elemente immer seltener.
Article
Full-text available
We report the findings of Xantholinus audrasi (Coiffat, 1956) (Coleoptera: Staphylinidae) for South-Tyrol in Italy. The species, which was never been described for this region, was found in two different locations with an overall number of five specimens.
Article
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Attalus minimus is here reported with three independent findings for South Tyrol after the last record in 1911. This rediscovery was possible thanks to sightings reported by three different observers on the social media and citizen science platform iNaturalist.org.
Article
Full-text available
The presence of Hystrix cristata in the province of South Tyrol was documented by two independent records of quills found at two different locations. While further official confirmations beyond single quill records are required to confirm the occurrence of permanent populations, these findings already provide important information to increase the...
Article
Full-text available
Plinthisus brevipennis (Latreille, 1807) (Heteroptera: Rhyparochromidae) new for South Tyrol. The seed bug species Plinthisus brevipennis was first recorded for South Tyrol (Trentino Alto Adige/Südtirol, Italy) using soil core samples. The species is widely distributed but tends to go unrecorded because of its small size (approx. 3 mm) and life hi...
Conference Paper
Full-text available
For the northernmost province of Italy, South Tyrol, a permanent biodiversity monitoring system has been set up on the initiative of the South Tyrolean provincial government and under the direction of the Institute for Alpine Environment, Eurac Research. This monitoring not only serves as basic research but also intends to provide a scientific basi...
Conference Paper
Full-text available
Intensification of agriculture has led to a decrease of biodiversity in grasslands, leading also to lower epigeic invertebrate numbers in those habitats. Because vegetation structure changes due to the increasing number of cuttings and the high input of fertilizers, ground-dwelling invertebrates decrease. Our study sites were located in Barbian/Bar...
Article
Full-text available
Ants are crucial for the functioning of many terrestrial ecosystems, but detailed knowledge of their ecological role is often lacking. This is true for high mountains where a steep environmental gradient exists from mountainous forest, densely populated by ants, to grassland habitats above the tree line, harboring a sparse ant community. We assesse...
Chapter
Full-text available
Die Ameisen-Fauna von Prags wurde am 22.6.2019 vom Erstautor erhoben. Die unter- suchten Habitate umfassten Fichten-Mischwald, Mähwiesen, Waldsaum und Skipisten, sowie den Siedlungsraum von Altprags und lagen in einer Seehöhe von 1400 bis 1800 m.
Chapter
Full-text available
Schmetterlinge wurden nicht gezielt gesucht, da die Wetterbedingungen ausgespro- chen schlecht für diese Gruppe waren. Nichtsdestotrotz wurden ein paar Zufallsfunde gemacht. Meist handelte es sich um Tiere, die aufgescheucht oder ruhend vorgefunden wurden (Tab. 13). Ein Dank für die Hilfe beim Beobachten geht an Tobias Demetz, Simone Ballini, Karl-...
Article
Full-text available
We tracked the movements of adult Ringlet butterflies (Lepidoptera, Nymphalidae, Erebia Dalman, 1816) in high-elevation (> 1800 meters a.s.l.) grasslands in the Austrian Alps in order to test if an anthropogenic boundary (= an asphalt road) had a stronger effect on butterfly movement than natural habitat boundaries (trees, scree, or dwarf shrubs su...
Article
Full-text available
Citizen Science is increasingly used to collect biological data globally due to easy-to- use smartphone applications and internet platforms that allow to collect and identify species records directly in the field. Here, we summarize and compare the applicability and data quality of two common portals (namely Ornitho and iNaturalist), by means of nu...
Article
Full-text available
Megachile sculpturalis (Smith, 1853) (Hymenoptera: Megachilidae), the giant resin bee new to South Tyrol with a newly described plant species interaction Abstract EN In this article we present a bee species newly documented for South Tyrol. The occurrence of Megachile sculpturalis in South Tyrol was recorded once in 2016 and four times in summer 20...
Article
Full-text available
The Dermestidae species Attagenus smirnovi Zhantiev, 1973 was discovered in two household in South Tyrol, making it the first official records for this species in Italy. The larvae feeds upon dried organic materials, making this species a common pest in museum collections and households in Central and Northern Europe. The spread of A. smirnovi in I...
Article
Full-text available
The Matsch/Mazia Valley is a small tributary valley of the Vinschgau Valley (Val Venosta), the most extreme inner- Alpine dry valley of the Eastern Alps (Braun-Blanquet 1961). Due to large barriers in the South (Ortles/Ortler Group) and in the North (Ötztal Alps) there is little precipitation, mainly during the sommer months. Mals/Malles and Schlud...
Article
Full-text available
Wood ants are dominant insects in coniferous forests that interact with many other organisms, thereby significantly shaping the presence and behavior of other species. These interactions can be either positive, like in the case of trophobiotic mutualisms, or negative in cases of competition or predation. We investigated associations of wood ant pre...
Poster
Full-text available
The Austrian biodiversity monitoring in agricultural areas “ÖBM Kulturlandschaft has a focus on habitat and species diversity in cultural (open) landscapes, including alpine pastures. The central goal is to determine the present status and trends of Austrian biodiversity of cultural landscapes.
Thesis
Alpine ant communities are poorly studied from an ecological perspective, even in central Europe. At 5 mountains situated in northern Italy, the upper montane forest, the tree line ecotone and the alpine environment directly above the tree line were investigated focusing on ant community composition, resource usage, and possible change of stable is...
Article
Full-text available
Insights can be gained by analysing the feeding decisions of animals in terms of nutrient demands at a species or community level. Using carbohydrate and protein food baits, resource use and food preferences of Formica (Serviformica) lemani were determined at nine locations situated at different altitudes (1875 to 2400 m a.s.l.) in the alpine grass...
Poster
Full-text available
Observations of the feeding behaviour of ants may give an insight into the factors that limit ant distributions. Carbohydrate and protein food baits were used to assess resource use and food preferences among ant communities in the alpine grassland belt. We observed an overall very low incidence of ants at baits which further drastically decreased...

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Projects

Projects (3)
Project
A permanent biodiversity monitoring system for South Tyrol has been set up under the direction of Eurac Research in collaboration with the Museum for Nature South Tyrol and the Nature Conservation Department of the province of South Tyrol. The monitoring not only serves basic research, but is also intended to provide the scientific basis for political decisions, concerning spatial planning, agriculture and nature conservation The monitoring seeks to survey the species groups that react sensitively to climate and land use change. The project has both a terrestrial and a limnological part. Apart from single taxonomic groups, the survey includes a habitat survey of the surrounding landscape. The surveyed groups are vascular plants, bryophytes, lichens, birds, bats, butterflies, grasshoppers and various soil inhabiting groups. Various additional groups of arthropods (spiders, beetles) are also collected as part of the soil survey, by using pitfall traps and soil extraction. Additionally, arthropods are collected by means of sweep and beeting nets. Vascular plants are monitored via vegetation relevees, while for bats bat loggers are employed, and for birds and grasshoppers vocal identification is used. Bryophytes and lichens are collected within the botanical survey following a standardized protocol. The monitoring covers 320 study sites which will be surveyed within a period of 5 years. The surveys of a certain habitat type will be distributed evenly over this time span. The study sites are distributed over the country (7400 km2) and include a representative selection of habitats. Apart from man-made and managed habitats, a range of alpine habitats which are highly sensitve to climate change are also being studied. The project aims also at fostering biodiversity research in South Tyrol, at connecting different actors and stakeholders and at raising awareness for biodiversity issues in the public.
Project
Investigating the biodiversity of soil macro invertebrates, their food web structure and trophic chain length along management intensity gradients. Fruit orchards and hay meadows are the main system investigated. General and specifc factors of manegement intensification will be taken in consideration and their effect quantified. - WP1: How intensive vs. extensive management in fruit orchards and hey meadows influences soil community and biodiversity. - WP2: How food-web and trophic-chain length reacts to increasing management intensity. - WP3: How different fertilization intensities and types affects the soil community in meadows.
Archived project
Determining the nutritional ecology, the species composition and concentration of alpine ants on the montane woods, the tree line ecotone and on the alpine grassland above will provide insides in the ecological role of the ant community within this two habitats and how it changes over the ecotone.