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Insights from regional and short‐term biodiversity monitoring datasets are valuable: a reply to Daskalova et al . 2021

Seibold, Sebastian ; Hothorn, Torsten ; Gossner, Martin M. ; Simons, Nadja K. ; Blüthgen, Nico ; Müller, Jörg ; Ambarlı, Didem ; Ammer, Christian ; Bauhus, Jürgen ; Fischer, Markus ; Habel, Jan C. ; Penone, Caterina ; Schall, Peter ; Schulze, Ernst-Detlef ; Weisser, Wolfgang W. (2021)
Insights from regional and short‐term biodiversity monitoring datasets are valuable: a reply to Daskalova et al . 2021.
In: Insect Conservation and Diversity, 14 (1)
doi: 10.1111/icad.12467
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

Reports of major losses in insect biodiversity have stimulated an increasing interest in temporal population changes. Existing datasets are often limited to a small number of study sites, few points in time, a narrow range of land-use intensities and only some taxonomic groups, or they lack standardised sampling. While new monitoring programs have been initiated, they still cover rather short time periods.

Daskalova et al. 2021 (Insect Conservation and Diversity, 14, 1-18) argue that temporal trends of insect populations derived from short time series are biased towards extreme trends, while their own analysis of an assembly of shorter- and longer-term time series does not support an overall insect decline. With respect to the results of Seibold et al. 2019 (Nature, 574, 671-674) based on a 10-year multi-site time series, they claim that the analysis suffers from not accounting for temporal pseudoreplication.

Here, we explain why the criticism of missing statistical rigour in the analysis of Seibold et al. (2019) is not warranted. Models that include 'year' as random effect, as suggested by Daskalova et al. (2021), fail to detect non-linear trends and assume that consecutive years are independent samples which is questionable for insect time-series data.

We agree with Daskalova et al. (2021) that the assembly and analysis of larger datasets is urgently needed, but it will take time until such datasets are available. Thus, short-term datasets are highly valuable, should be extended and analysed continually to provide a more detailed understanding of insect population changes under the influence of global change, and to trigger immediate conservation actions.

Typ des Eintrags: Artikel
Erschienen: 2021
Autor(en): Seibold, Sebastian ; Hothorn, Torsten ; Gossner, Martin M. ; Simons, Nadja K. ; Blüthgen, Nico ; Müller, Jörg ; Ambarlı, Didem ; Ammer, Christian ; Bauhus, Jürgen ; Fischer, Markus ; Habel, Jan C. ; Penone, Caterina ; Schall, Peter ; Schulze, Ernst-Detlef ; Weisser, Wolfgang W.
Art des Eintrags: Bibliographie
Titel: Insights from regional and short‐term biodiversity monitoring datasets are valuable: a reply to Daskalova et al . 2021
Sprache: Englisch
Publikationsjahr: Januar 2021
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Insect Conservation and Diversity
Jahrgang/Volume einer Zeitschrift: 14
(Heft-)Nummer: 1
DOI: 10.1111/icad.12467
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Kurzbeschreibung (Abstract):

Reports of major losses in insect biodiversity have stimulated an increasing interest in temporal population changes. Existing datasets are often limited to a small number of study sites, few points in time, a narrow range of land-use intensities and only some taxonomic groups, or they lack standardised sampling. While new monitoring programs have been initiated, they still cover rather short time periods.

Daskalova et al. 2021 (Insect Conservation and Diversity, 14, 1-18) argue that temporal trends of insect populations derived from short time series are biased towards extreme trends, while their own analysis of an assembly of shorter- and longer-term time series does not support an overall insect decline. With respect to the results of Seibold et al. 2019 (Nature, 574, 671-674) based on a 10-year multi-site time series, they claim that the analysis suffers from not accounting for temporal pseudoreplication.

Here, we explain why the criticism of missing statistical rigour in the analysis of Seibold et al. (2019) is not warranted. Models that include 'year' as random effect, as suggested by Daskalova et al. (2021), fail to detect non-linear trends and assume that consecutive years are independent samples which is questionable for insect time-series data.

We agree with Daskalova et al. (2021) that the assembly and analysis of larger datasets is urgently needed, but it will take time until such datasets are available. Thus, short-term datasets are highly valuable, should be extended and analysed continually to provide a more detailed understanding of insect population changes under the influence of global change, and to trigger immediate conservation actions.

Fachbereich(e)/-gebiet(e): 10 Fachbereich Biologie
10 Fachbereich Biologie > Ecological Networks
Hinterlegungsdatum: 04 Feb 2021 06:51
Letzte Änderung: 05 Dez 2023 09:26
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