Archiv der Kategorie: invertebrates

Galápagos Research Trip 2018

Working at the Charles Darwin Research Station again

Thanks to a research fellowship sponsored by the Schimper Stiftung I was able to go to the Galápagos in February. It was great to continue my work on the Scalesia restoration project in the highlands of Santa Cruz. After intensive work in the invertebrate lab we finished all spider and beetles identifications and counted all other invertebrates caught within the long-term monitoring. This program started in 2014 and invertebrates were caught in 34 plots using pitfall and Malaise traps. First results have been recently published but more detailed analyses will be available soon.

New paper …

Restauración del bosque de Scalesia invadido por mora: Impactos en la vegetación, los invertebrados y las aves has been published in Informe Galápagos.

Authors Jäger H, S Buchholz, A Cimadom, S Tebbich, J Rodríguez, D Barrera, A Wolentowitz, M Breuer, A Carrión, C Sevilla & C Causton

Grasshopper sampling

First field work within the BIBS project finished

We finished the grasshopper sampling last week! More than 60 urban dry grasslands had been sampled during summer and we are now happy to have a first extensive dataset for the BIBS project. In all, we acoustically and visually assessed more than 4000 grasshopper individuals with 22 species – including some very interesting species such as Calliptamus italicus. We are looking forward to first functional diversity analyses in the next few weeks.

Let’s go to Galápagos!

I am looking forward to spend a glorious time in Galápagos. I am going to participate in a research project for three months …

CDFOver the last 10 years, the Galápagos National Park Directorate has carried out manual and chemical control of the invasive blackberry in the Scalesia forests at Los Gemelos on Santa Cruz. It is possible that this management has changed the structure of the forests which is supposed to affect invertebrates and birds that live there. To analyse effects of the management on plants, invertebrates and birds, a multi-taxon monitoring has been established. My part in this project is to evaluate the efficacy of the blackberry control measures and the impacts on non-target invertebrate species.

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New faunistic paper

Beitrag zur Heuschreckenfauna ausgewählter Trockenrasen in Berlin has been accepted for publication in Märkische Entomologische Nachrichten.

Summary
Grasshoppers of several dry and semi dry grasslands of Berlin have been sampled in 2011 and 2012. The study summarises the results and discusses the records of Calliptamus italicus, Oedipoda caerulescens, Phaneroptera falcata and Sphingonotus caerulans.