DMITROVIC, Barbara Andelic, Domagoj GAJSKI, Tomislav KOS, Misel JELIC and Lucija SERIC JELASKA. Insight into Trophic Interactions of Spiders in Olive Groves with Integrated and Ecological Pest Management Using DNA Metabarcoding. Diversity. MDPI, 2023, vol. 15, No 9, p. 1-14. ISSN 1424-2818. Available from: https://dx.doi.org/10.3390/d15090976.
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Basic information
Original name Insight into Trophic Interactions of Spiders in Olive Groves with Integrated and Ecological Pest Management Using DNA Metabarcoding
Authors DMITROVIC, Barbara Andelic, Domagoj GAJSKI (191 Croatia, belonging to the institution), Tomislav KOS, Misel JELIC and Lucija SERIC JELASKA (guarantor).
Edition Diversity, MDPI, 2023, 1424-2818.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10619 Biodiversity conservation
Country of publisher Switzerland
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 2.400 in 2022
RIV identification code RIV/00216224:14310/23:00132174
Organization unit Faculty of Science
Doi http://dx.doi.org/10.3390/d15090976
UT WoS 001077099600001
Keywords in English Aranea; trophic links; Croatia; ecological farming; environmental DNA; gut content analysis; Mediterranean agriculture
Tags rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 30/1/2024 13:31.
Abstract
Spiders act as one of the major predators among arthropods in agroecosystems and are crucial to the control of pest densities. As they are almost exclusively predators, they have developed a number of hunting strategies, which have consequently impacted their complex trophic interactions. The development of molecular biology methods for environmental DNA analysis has made it easier to analyze such complex trophic networks. In order to ascertain the trophic interactions of spiders, a sampling of spider species was carried out in two olive groves in Zadar County, Croatia, under integrated and ecological pest management. To construct the trophic networks of spiders, we performed DNA metabarcoding. The combined general and spider-excluding primers were able to recognize prey from 12 distinct orders in the guts of the 57 spiders. According to our results, spiders have a complex trophic network that exhibits seasonal and site-specific variations. The results obtained from both sites having different pest management also confirmed that spiders consumed phytophagous insects in the highest ratio, including some important pests, in comparison to other prey and that management and guild type had an impact on the predation of phytophagous insects.
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