1,721,163 research outputs found
Traps for Lygus rugulipennis and Anthonomus rubi: preliminary results from Softpest Multitrap activities in Latvia
No full textThere is a lack of appropriate plant protection methods against strawberry blossom weevil (SBW) not only in organic plantations, but also in plantations, where IPM is used. European tarnished plant bug (ETPB) is not currently recognized as a pest in Latvian strawberry plantations, because the visual defects made by bugs are not important for Latvian consumers.
Cross vane bucket traps and sticky stake traps were the most effective for trapping SBW in Latvia. These traps, where the lure was positioned at the top of cross vanes, were also the most effective for capturing ETPB
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Blomsterbræmmer i æbleplantagerne
No full textSkadedyr og sygdomme giver kvalitets- og udbyttetab i økologiske æbler. En vigtig del af forebyggelsen mod skadedyr er at beskytte de naturligt forekommende nyttedyr, så de kan bidrage til at regulere skadedyrene. Projektet Fruitgrowth undersøger betydningen af blomsterbræmmer for den naturlige regulering af æblevikleren i økologiske æbleplantager
IPM strategier
No full textForebyggelse er fundamentet for integreret plantebeskyttelse (IPM), og med en god præventiv indsats opnås et robust dyrkningssystem. Hvis denne indsats ikke er tilstrækkelig, udvælges først skånsomme metoder som biologisk bekæmpelse og som sidste udvej pesticider. IPM opstod som reaktion på alvorlige pesticidproblemer i 1960erne og frem. IPM er i Europa udviklet og beskrevet af IOBC-WPRS (1). IPM indgår i EUs Direktiv 2009/128/EF om indsatsen for en bæredygtig anvendelse af pesticider (annex 3), og vigtigheden af forebyggelse understreges. Forebyggelse er en flerstrenget strategi, der omfatter sædskifte, dyrkningsmetoder, afbalanceret gødning og vanding samt det, jeg især vil fokusere på her - beskyttelse og fremme af skadedyrs naturlige fjender og økologiske infrastrukturer
Systemic Approaches to Pest Management without Pesticides - Biological control of insect pests with predators and parasitoids
No full textWorkshop presentation in April 2012, Chinese-Danish Networking on systemic approaches to pest management without pesticides
Habitat and prey preferences of the two predatory bugs <em>Anthocoris nemorum</em> (L.) and <em>A. nemoralis</em> (Fabricius) (Anthocoridae: Hemiptera-Heteroptera)
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