Jochen H. E. Koop

Top‐down control of phytoplankton: the role of time scale, lake depth and trophic state

Jürgen Benndorf, Wiebke Böing, Jochen H. E. Koop et al. · Freshwater Biology · 2002 · 183 citations

Biology, Trophic State, Biogeochemistry +8

First empirical study of freshwater microplastics in West Africa using gastropods from Nigeria as bioindicators

Emmanuel O. Akindele, Sonja M. Ehlers, Jochen H. E. Koop · Limnologica · 2019 · 147 citations

Microplastics, Engineering, Empirical Study +7

Freshwater insects of different feeding guilds ingest microplastics in two Gulf of Guinea tributaries in Nigeria

Emmanuel O. Akindele, Sonja M. Ehlers, Jochen H. E. Koop · Environmental Science and Pollution Research · 2020 · 110 citations · Full text

Preservation effects on wet weight, dry weight, and ash-free dry weight biomass estimates of four common estuarine macro-invertebrates: no difference between ethanol and formalin

Markus A. Wetzel, Heiko Leuchs, Jochen H. E. Koop · Helgoland Marine Research · 2005 · 98 citations · Full text

Biology, Environmental Biology, Dry Weight +3

The ecological quality status of the Elbe estuary. A comparative approach on different benthic biotic indices applied to a highly modified estuary

Markus A. Wetzel, Peter C. von der Ohe, Werner Manz et al. · Ecological Indicators · 2011 · 56 citations

Elbe Estuary, Engineering, Comparative Approach +7