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Andreas HempPD Dr.

Andreas Hemp

Research Associate
Plant Systematics

Phone: +49(0)921-55-2464
Room: NW I, 7.0 00.30
e-Mail: andreas.hemp(at)uni-bayreuth.de


Our research in East Africa (Ethiopia, Kenya, Uganda, Tanzania) started with ethnobotany followed by vegetation ecological studies. Main research topics are drivers of biodiversity, vegetation zonation, forest regeneration, land cover change (together with Pekka Hurskainen, Helsinki) and palaeoecology (together with Herman Behling and Lisa Schüler, Göttingen). For this serves a dataset of over 2000 Braun-Blanquet plots comprising all vegetation formations of East Africa with focus on forests, since even in multi-layered and highly structured tropical montane forests this method is an excellent tool for a multitude of analyses. The only problem is: You have to know all occurring species. This gave rise to the collection of over 10,000 herbarium specimens, which were digitized in the frame of the Global Plant Initiative and are available on the JSTOR webpage (https://plants.jstor.org/compilation). Together with Markus Fischer (Bern) and Claudia Hemp we initiated the DFG research unit KiLi (Kilimanjaro under global change, https://www.kilimanjaro.biozentrum.uni-wuerzburg.de/) as a platform for interdisciplinary tropical biodiversity research running two scientific stations on Kilimanjaro.

Andreas HempAndreas HempAndreas HempAndreas HempAndreas Hemp

Some highlights: Discovery of the tallest tree and the highest located forests of Africa, disclosure of the biogeographical mystery of the missing bamboo belt of Kilimanjaro, predictors of elevational multi-taxa biodiversity gradients, physio-topographical map of Kilimanjaro, ecological isolation of Kilimanjaro, fire impact on the water balance of Kilimanjaro

Andreas HempAndreas Hemp

In Europe my main research interests are the ecology and dynamics of boulder slopes and vegetation on dolomite in particular of relict Pine forests. Based on over 2500 vegetation plots in all vegetation types from Northern Bavaria I described the Buphthalmo-Pinetum and the Vincetoxico-Seselietum as new associations. Together with Claudia Hemp we study the correlation between Saltatoria coenoses and vegetation. With my scientific work I intend also to contribute to nature conservation, e.g. with FFH-management plans (altogether over 50 management plans and reports for nature conservation authorities). In the frame of the project “Naturnahe Wälder am Albtrauf bei Hersbruck” we are monitoring near-natural forests in northern Bavaria (together with Karl Heinlein, Hersbruck). Together with Markus Fischer (Bern) we established the biodiversity exploratory Schorfheide-Chorin as a platform for interdisciplinary biodiversity research in Germany (https://www.biodiversity-exploratories.de/).

Andreas Hemp

Highligts are the discovery of microclimatic anomalies of boulderslopes and the disclosure of the long-term anthropogenic influence in dolomite-pineforests dating back to the neolithicum

 Andreas HempAndreas Hemp

Andreas HempAndreas Hemp

Selected publications:

Hurskainen P, Adhikaria H, Siljandera M, Pellikka PKE, Hemp A (2019) Auxiliary datasets improve accuracy of object-based land use/land cover classification in heterogeneous savannah landscapes. Remote Sensing of Environment 233, 111354.

Molina-Venegas R, Fischer M, Hemp A (2019) Disentangling the fundamental branching patterns of phylogenetic divergence to refine eco-phylogenetic analyses. Journal of Biogeography (in press). DOI: 10.1111/jbi.13692.

Peters MK, Hemp A et al. (2019) Climate-land-use interactions shape tropical mountain biodiversity and ecosystem functions. Nature 568, 88-92.

Hemp A, Hemp C (2018) Broken bridges: the isolation of Kilimanjaro’s ecosystem. Global Change Biology 24, 3499-3507.

Schellenberger Costa D, Gerschlauer F, Kiese R, Fischer M, Kleyer M, Hemp A (2018) Plant niche breadths along environmental gradients and their relationship to plant functional traits. Diversity and Distributions 24, 1869-1882.

Peters MK, Hemp A et al. (2016) Predictors of elevational biodiversity gradients change from single taxa to the multi-taxa community level. Nature Communications 7, 13736. (DOI: 10.1038/ncomms13736)

Hemp A, Zimmermann R, Remmele S, et al. (2016) Africa’s highest mountain harbours Africa’s tallest trees. Biodiversity and Conservation 26, 103-113.

Appelhans T, Mwangomo E, Otte I, Detsch F, Nauss T, Hemp A (2016) Eco-meteorological characteristics of the southern slopes of Kilimanjaro, Tanzania. International Journal of Climatology 36, 3245-3258.

Hemp C, Kehl S, Schultz O, Wägele W, Hemp A (2015).Climatic fluctuations and topography as motor for speciation: case study on Parepistaurus Karsch, 1896 (Orthoptera: Acrididae, Coptacridinae). Systematic Entomology 40, 17-34. 10.

Hemp A (2005) Climate change driven forest fires marginalizes the ice cap wasting on Mt. Kilimanjaro. Global Change Biology 11, 1013-1023.

DFG-funded Projects:

DFG-projects HE 2719/1-1,  HE 2719/1-2, HE 2719/2-1, HE 2719/2-2: Vegetation analysis of the montane forests of Kilimanjaro (1996-2001)

DFG-projects HE 2719/7-1 - HE 2719/9-1: Ecological transect studies on Kilimanjaro (2004-2006)

DFG-projects HE 2719/11-1 - HE 2719/11-3: Plant diversity and performance in relation to climate and land use on Mt. Kilimanjaro: communities, species, populations and genetics, FOR 1246 (2010-2018)

Selected other projects:

UNEP, Nairobi: Aerial survey of the threats to Mt. Kilimanjaro forests, 2001 (together with Christian Lambrechts, Nairobi)

BayernNetzNatur-Project: "Albtraufproject Hersbrucker Alb - Biotopkomplex Blockschutthalden", 2011-2015 (together with Karl Heinlein, Hersbruck)

BayernNetzNatur-Projekt: „Albtraufprojekt Hersbrucker Alb – naturnahe Wälder“, since 2018 ongoing (together with Karl Heinlein, Hersbruck)



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last modified 2020-01-27