Consistency of impact assessment protocols for non-native species
Author:
González-Moreno Pablo, Lazzaro Lorenzo, Vilà Montserrat, Preda Cristina, Adriaens TimORCID, Bacher SvenORCID, Brundu GiuseppeORCID, Copp Gordon H., Essl Franz, García-Berthou EmiliORCID, Katsanevakis SteliosORCID, Moen Toril Loennechen, Lucy Frances E., Nentwig Wolfgang, Roy Helen E., Srėbalienė Greta, Talgø Venche, Vanderhoeven SoniaORCID, Andjelković Ana, Arbačiauskas Kęstutis, Auger-Rozenberg Marie-Anne, Bae Mi-Jung, Bariche Michel, Boets Pieter, Boieiro Mário, Borges Paulo Alexandre, Canning-Clode João, Cardigos Federico, Chartosia Niki, Cottier-Cook Elizabeth Joanne, Crocetta Fabio, D'hondt Bram, Foggi Bruno, Follak Swen, Gallardo Belinda, Gammelmo Øivind, Giakoumi Sylvaine, Giuliani Claudia, Guillaume Fried, Jelaska Lucija Šerić, Jeschke Jonathan M.ORCID, Jover Miquel, Juárez-Escario Alejandro, Kalogirou StefanosORCID, Kočić Aleksandra, Kytinou Eleni, Laverty Ciaran, Lozano Vanessa, Maceda-Veiga Alberto, Marchante ElizabeteORCID, Marchante Hélia, Martinou Angeliki F., Meyer Sandro, Minchin Dan, Montero-Castaño Ana, Morais Maria Cristina, Morales-Rodriguez Carmen, Muhthassim Naida, Nagy Zoltán Á., Ogris Nikica, Onen Huseyin, Pergl Jan, Puntila Riikka, Rabitsch Wolfgang, Ramburn Triya Tessa, Rego Carla, Reichenbach Fabian, Romeralo CarmenORCID, Saul Wolf-Christian, Schrader Gritta, Sheehan Rory, Simonović Predrag, Skolka Marius, Soares António Onofre, Sundheim Leif, Tarkan Ali Serhan, Tomov Rumen, Tricarico ElenaORCID, Tsiamis KonstantinosORCID, Uludağ Ahmet, van Valkenburg Johan, Verreycken Hugo, Vettraino Anna Maria, Vilar Lluís, Wiig Øystein, Witzell JohannaORCID, Zanetta Andrea, Kenis Marc
Abstract
Standardized tools are needed to identify and prioritize the most harmful non-native species (NNS). A plethora of assessment protocols have been developed to evaluate the current and potential impacts of non-native species, but consistency among them has received limited attention. To estimate the consistency across impact assessment protocols, 89 specialists in biological invasions used 11 protocols to screen 57 NNS (2614 assessments). We tested if the consistency in the impact scoring across assessors, quantified as the coefficient of variation (CV), was dependent on the characteristics of the protocol, the taxonomic group and the expertise of the assessor. Mean CV across assessors was 40%, with a maximum of 223%. CV was lower for protocols with a low number of score levels, which demanded high levels of expertise, and when the assessors had greater expertise on the assessed species. The similarity among protocols with respect to the final scores was higher when the protocols considered the same impact types. We conclude that all protocols led to considerable inconsistency among assessors. In order to improve consistency, we highlight the importance of selecting assessors with high expertise, providing clear guidelines and adequate training but also deriving final decisions collaboratively by consensus.
Funder
European Cooperation in Science and Technology
Publisher
Pensoft Publishers
Subject
Insect Science,Plant Science,Ecological Modelling,Animal Science and Zoology,Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics
Cited by
49 articles.
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