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D. Johan Kotze

Researcher at University of Helsinki

Publications -  88
Citations -  5496

D. Johan Kotze is an academic researcher from University of Helsinki. The author has contributed to research in topics: Habitat & Species richness. The author has an hindex of 30, co-authored 76 publications receiving 4654 citations.

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Do not log-transform count data

TL;DR: It is recommended that count data should not be analysed by log-transforming it, but instead models based on Poisson and negative binomial distributions should be used.
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Do not log-transform count data

TL;DR: This work compared the outcome of fitting models that were transformed in various ways with results from fitting models using Poisson and negative binomial models to untransformed count data, finding that the transformations performed poorly, except when the dispersion was small and the mean counts were large.
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Using the ecosystem services approach for better planning and conservation of urban green spaces: a Finland case study

TL;DR: In this article, the authors address the most important ecosystem services in functional urban regions in Finland and propose an approach for land-use planning to develop ecologically sustainable urban regions, which is not yet widely used in planning practices.
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Carabid beetle assemblages (Coleoptera, Carabidae) across urban-rural gradients: an international comparison

TL;DR: This paper studied communities of carabid beetles in residual forest patches along urban-suburban-rural gradients in three cities (Helsinki, Finland; Sofia, Bulgaria, and Edmonton, Canada) to examine their responses to urbanisation.