/soziologie/wer-wir-sind/das-team/jakob-erichsen
Dr. Jakob Erichsen Vorlesen Kontakt Telefon +49 461 805 2067 E-Mail jakob.erichsen -TextEinschliesslichBindestricheBitteEntfernen- @ uni-flensburg.de Gebäude Gebäude Vilnius 2 Raum VIL 205 Straße Auf
/biologie/arbeitsgruppe-stiegel/team/stephanie-stiegel/abgeschlossene-projekte/nachhaltigkeit-erfahren
"Nachhaltigkeit erfahren" Vorlesen Sommercamp Das Foto zeigt die Gruppe des Sommercamps "Nachhaltigkeit erfahren" bei der Elbfähre. Hannover – Hildesheim – Landkreis Lüchow-Dannenberg – Ökodorf Sieben
/biologie/arbeitsgruppe-stiegel/team/stephanie-stiegel/abgeschlossene-projekte/ecotopia
"Ecotopia" Vorlesen Sommercamp Das Foto zeigt alle Teilnehmenden des Sommercamps 2019 im Ökodorf Sieben Linden. Hannover – Ökodorf Sieben Linden Janun e.V. aus Hannover brachte 30 Umweltaktivist*innen
/biologie/arbeitsgruppe-stiegel/team/stephanie-stiegel/abgeschlossene-projekte/promotion
Promotion Vorlesen Graphical abstract Die Abbildung zeigt die Veränderungen der untersuchten Faktoren entlang des vertikalen Waldgradienten. Zusammenfassung Das Foto zeigt einen Buchenwald mit Unterwu
fileadmin/content/institute/biologie/arbeitsgruppe-stiegel/dokumente/promotion/stiegel2018-microclimatic-effects-diss.pdf
with linear mixed models. For herbivory of F. sylvatica, model comparison was conducted for effects of forest layer, microclimate (2 parameters) and leaf traits (5 parameters) with a model specification (Equation [...] LEAVES’ PALM 39 Model comparison for the three tree species in the understorey was assessed for effects of species, microclimate (2 parameters) and leaf traits (5 parameters) with a model specification (Equation [...] transformed and all models contained study site as a random effect. Calculations were done using the R libraries lme4 (Bates et al., 2017) and MuMIn (Bartoń, 2016). We selected the best model based on the Bayesian
fileadmin/content/institute/biologie/arbeitsgruppe-stiegel/dokumente/promotion/stiegeletal2020-does-the-shrub-layer-act-as-an-intermediary.pdf
fi nal model that included all explanatory variables without strong correlations. For insect abundance and abundances of insect orders, comparisons were made using the fi nal model. All models included [...] or both. The strength of evidence for different models was similar based on using ΔBIC = 0–2 (Kass & Raftery, 1995). The fi nal model and model comparisons were done using the following R codes, re- [...] by Fagus sylvatica L. (European beech; Fagace- ae) in Central Germany. Following model selection, a linear mixed model was used to analyse the associations between abiotic factors (air temperature and
fileadmin/content/institute/biologie/arbeitsgruppe-stiegel/dokumente/promotion/stiegel-mantilla-contreras2018-experimental-study-of-environmental-effects.pdf
and relative air humidity. Microclimatic data were measured every hour with data loggers (iButton, Model DS1923,Maxim Integrated, California, USA). Data loggers were installed in the centers at about 1.5
fileadmin/content/institute/biologie/arbeitsgruppe-stiegel/dokumente/promotion/stiegel-mantilla-contreras2018-environment-vs-plant-ontogeny.pdf
were determined with linear mixed models (LMM) and a following model selection. Calculations were done using the R libraries lme4 for LMM [55] and MuMIn for the model selection [56]. Herbivore attack levels [...] the nonparametric data. All models contained the study site as a random effect. For the herbivore attack levels on F. sylvatica leaves caused by the eight feeding traces, model comparisons were conducted [...] traits (SLA, N and C content, and C/N ratio), and plant ontogenetic stage with a full model specification. The best models were selected based on the Bayesian Information Criterion (BIC) (Appendix E). Linear
fileadmin/content/institute/biologie/arbeitsgruppe-stiegel/dokumente/promotion/stiegeletal2017-reading-the-leaves-palm.pdf
generalized linear mixed models. For herbivory of F. sylvatica, model comparison was conducted for effects of forest layer, microclimate (2) and leaf traits (5) with the following model specification: lmer [...] ð1jsiteÞ;REML¼ FALSEÞ Model comparison for the three tree species in the understory was assessed for effects of species, microclimate (2) and leaf traits (5) with the following model specification: lmer [...] variables. (PDF) S2 Appendix. Model comparison for effects of microclimate and leaf traits on herbivory of Fagus sylvatica across forest layers. (PDF) S3 Appendix. Model comparison for effects of tree
/biologie/arbeitsgruppe-stiegel/team/stephanie-stiegel/abgeschlossene-projekte
Abgeschlossene Projekte Vorlesen "Your Goal – Your Action" (YGYA) ist ein Bildungs- und Beratungsangebot des Green Office der Universität Hildesheim, das Studierende bei der Entwicklung und Durchführu