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.
Consistency of impact assessment protocols for non-native species / P. González-Moreno, L. Lazzaro, M. Vilà, C. Preda, T. Adriaens, S. Bacher, G. Brundu, G. H Copp, F. Essl, E. García-Berthou, S. Katsanevakis, T. Loennechen Moen, F. E Lucy, W. Nentwig, H. E Roy, G. Srėbalienė, V. Talgø, S. Vanderhoeven, A. Andjelković, K. Arbačiauskas, M. Auger-Rozenberg, M. Bae, M. Bariche, P. Boets, M. Boieiro, P. Alexandre Borges, J. Canning-Clode, F. Cardigos, N. Chartosia, E. Joanne Cottier-Cook, F. Crocetta, B. D'hondt (UGent), B. Foggi, S. Follak, B. Gallardo, Ø. Gammelmo, S. Giakoumi, C. Giuliani, F. Guillaume, L. Šerić Jelaska, J. M Jeschke, M. Jover, A. Juárez-Escario, S. Kalogirou, A. Kočić, E. Kytinou, C. Laverty, V. Lozano, A. Maceda-Veiga, E. Marchante, H. Marchante, A. F Martinou, S. Meyer, D. Minchin, A. Montero-Castaño, M. Cristina Morais, C. Morales-Rodriguez, N. Muhthassim, Z. Á Nagy, N. Ogris, H. Onen, J. Pergl, R. Puntila, W. Rabitsch, T. Tessa Ramburn, C. Rego, F. Reichenbach, C. Romeralo, W. Saul, G. Schrader, R. Sheehan, P. Simonović, M. Skolka, A. Onofre Soares, L. Sundheim, A. Serhan Tarkan, R. Tomov, E. Tricarico, K. Tsiamis, A. Uludağ, J. van Valkenburg, H. Verreycken, A. Maria Vettraino, L. Vilar, Ø. Wiig, J. Witzell, A. Zanetta and Marc Kenis. - In: NEOBIOTA. - ISSN 1619-0033. - 44(2019 Apr 01), pp. 1-25.
|Titolo:||Consistency of impact assessment protocols for non-native species|
|Parole Chiave:||environmental impact; expert judgement; invasive alien species policy; management prioritization; risk assessment; socio-economic impact; pest risk analysis; invasiveness screening tool; alien plants; ecological impacts; framework; support; system; classification; calibration|
|Settore Scientifico Disciplinare:||Settore BIO/01 - Botanica Generale|
Settore BIO/03 - Botanica Ambientale e Applicata
|Data di pubblicazione:||1-apr-2019|
|Digital Object Identifier (DOI):||http://dx.doi.org/10.3897/neobiota.44.31650|
|Appare nelle tipologie:||01 - Articolo su periodico|