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Dictmanus albus [(c) Christian Ristok]

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Cuyckens, G.A.E., Hensen, I., López, V.L., Cellini, J.M., Renison, D. (2021). Germination of high Andean treeline species of contrasting environments and along elevational gradients in northwest Argentina. Neotropical Biodiversity.

Marcora, P.I., Tecco, P.A., Ferrero, M.C., Ferreras, A.E., Zeballos, S.R., Funes, G., Gurvich, D.E., Arias, G., Cáceres, Y., Hensen I. (2021). Are populations of Polylepis australis locally adapted along their elevation gradient? Neotropical Biodiversity.

Nordt, B., Hensen, I., Bucher, S. F., Freiberg, M., Primack, R. B., Stevens, A. D., Bonn, A., Wirth, C., Jakubda, D., Plos, C., Sporbert, M., Römermann, C. (2021). The PhenObs initiative–A standardised protocol for monitoring phenological responses to climate change using herbaceous plant species in botanical gardens. Functional Ecology.


Schmidt, R., Auge, H., Deising, H. B., Hensen, I., Mangan, S. A., Schädler, M., Stein, C., Knight, T. M. (2020). Abundance, origin, and phylogeny of plants do not predict community‐level patterns of pathogen diversity and infection. Ecology and Evolution 10: 5506-5516.

Schmidt, R., Deising, H. B., Hensen, I., Schädler, M., Auge, H. (2020). Natural enemies do not contribute to negative frequency-dependence in native and exotic grassland plants. Perspectives in Plant Ecology, Evolution and Systematics 46: 125565.

Schrieber, K., Cáceres, Y., Engelmann, A., Marcora, P., Renison, D., Hensen, I., Müller, C. (2020). Elevational differentiation in metabolic cold stress responses of an endemic mountain tree. Environmental and Experimental Botany 171: 103918.


Bender, I. M., Kissling, W. D., Böhning-Gaese, K., Hensen, I., Kühn, I., Nowak, L., Töpfer, T., Wiegand, T., Dehling, D. M., Schleuning, M. (2019). Projected impacts of climate change on functional diversity of frugivorous birds along a tropical elevational gradient. Scientific Reports 9: 1-12.

Cáceres, Y., Schrieber, K., Lachmuth, S., Auge, H., Argibay, D., Renison, D., Hensen, I. (2019). Effects of altitude, land use and microsites on early life performance of a high mountain tree: Insights from an in situ sowing experiment. Diversity and Distributions 25: 1537-1550.

Meier, T., Hensen, I., Kühn, I. (2019). Federgras-Bestände in Mitteldeutschland. Hercynia-Ökologie und Umwelt in Mitteleuropa 52: 129-163.

Pankoke, H., Tewes, L. J., Matties, S., Hensen, I., Schädler, M., Ebeling, S., Auge, H., Müller, C. (2019). Pre-adaptations and shifted chemical defences provide Buddleja davidii populations with high resistance against antagonists in the invasive range. Biological Invasions 21: 333-347.

Renison, D., Bergero, H., Soteras, F., Herrero, M. L., Rodríguez, J. M., Torres, R. C., Cingolani, A. M., Hensen, I. (2019). Progeny performance and pathogen attack relative to elevation in a neotropical tree. Cerne 25: 1-7.

Rosche, C., Hensen, I., Schaar, A., Zehra, U., Jasieniuk, M., Callaway, R. M., Khasa, D. P., Al-Gharaibeh, M. M., Lekberg, Y., Nagy, D. U., Pal, R. W., Okada, M., Schrieber, K. Turner, K. G., Lachmuth, S., Erst, A., Tsunoda, T., Sheng, M., Schmidt, R., Peng, Y., Luo, W., Jäschke, Y., Reshi, Z. A., Shah, M. A. (2019). Climate outweighs native vs. nonnative range‐effects for genetics and common garden performance of a cosmopolitan weed. Ecological Monographs 89: e01386.


Bender, I. M., Kissling, W. D., Blendinger, P. G., Böhning‐Gaese, K., Hensen, I., Kühn, I., Muños, M. C., Neuschulz, E. L., Nowak, L., Quintián, M., Saavedra, F., Santillán, V., Töpfer, T., Wiegand, T., Dehling, D. M., Schleuning, M. (2018). Morphological trait matching shapes plant–frugivore networks across the Andes. Ecography 41: 1910-1919.

Moreno, L. V. M., Fuentealba, B., Sevillano, C. S., Gómez, M. I., Segovia-Salcedo, M. C., Renison, D., Green, D., Aucca, C., Hensen, I. (2018). Oportunidades para acercar la ciencia a la práctica de la restauración de bosques y arbustales de Polylepis. Ecología Austral 28: 291-300.

Rosche, C., Heinicke, S., Hensen, I., Silantyeva, M. M., Stolz, J., Gröning, S., Wesche, K. (2018). Spatio-environmental determinants of the genetic structure of three steppe species in a highly fragmented landscape. Basic and Applied Ecology 28: 48-59.

Rosche, C., Schrieber, K., Lachmuth, S., Durka, W., Hirsch, H., Wagner, V., Schleuning, M., Hensen, I. (2018). Sex ratio rather than population size affects genetic diversity in Antennaria dioica. Plant Biology 20: 789-796.

Sánchez-Gómez, P., Jiménez, J. F., Cánovas, J. L., Vera, J. B., Hensen, I., Aouissat, M. (2018). Genetic structure and phylogeography of Juniperus phoenicea complex throughout Mediterranean and Macaronesian regions: different stories in one. Annals of Forest Science 75: 1-12.

Schawe, C. C. de, Kessler, M., Hensen, I., Tscharntke, T. (2018). Abundance and diversity of flower visitors on wild and cultivated cacao (Theobroma cacao L.) in Bolivia. Agroforestry Systems 92: 117-125.

Schrieber, K., Wolf, S., Wypior, C., Höhlig, D., Keller, S. R., Hensen, I., Lachmuth, S. (2018). Enemy release mitigates inbreeding depression in native and invasive Silene latifolia populations: experimental insight into the role of inbreeding × environment interactions in invasion success. Ecology and Evolution 9: 3564-3576.


Al‐Gharaibeh, M. M., Hamasha, H. R., Rosche, C., Lachmuth, S., Wesche, K., Hensen, I. (2017). Environmental gradients shape the genetic structure of two medicinal Salvia species in Jordan. Plant Biology 19: 227-238.

Al‐Gharaibeh, M. M., Hamasha, H. R., Lachmuth, S., Hensen, I. (2017). Local adaptation to different phytogeographic regions: habitat‐related variations in seed germination in response to temperature and salinity for two medicinal Salvia species from Jordan. Plant Species Biology 32: 25-35.

Bender, I. M., Kissling, W. D., Böhning‐Gaese, K., Hensen, I., Kühn, I., Wiegand, T., Dehling, D. M., Schleuning, M. (2017). Functionally specialised birds respond flexibly to seasonal changes in fruit availability. Journal of Animal Ecology 86: 800-811.

Hirsch, H., Brunet, J., Zalapa, J. E., von Wehrden, H., Hartmann, M., Kleindienst, C., Schlautman, B., Kosman, E., Wesche, K., Renison, D., Hensen, I. (2017). Intra-and interspecific hybridization in invasive Siberian elm. Biological Invasions 19: 1889-1904.

Jiménez, J. F., Sánchez-Gómez, P., Cánovas, J. L., Hensen, I., Aouissat, M. (2017). Influence of natural habitat fragmentation on the genetic structure of Canarian populations of Juniperus turbinata. Silva Fennica 51: 1-14.

Korell, L., Lang, B. R., Hensen, I., Auge, H., Bruelheide, H. (2017). Interactions count: plant origin, herbivory and disturbance jointly explain seedling recruitment and community structure. Scientific Reports 7: 1-13.

Marcora, P. I., Tecco, P. A., Zeballos, S. R., Hensen, I. (2017). Influence of altitude on local adaptation in upland tree species from central Argentina. Plant Biology 19: 123-131.

Peng, Y., Morales, L., Hensen, I., Renison, D. (2017). No effect of elevation and fragmentation on genetic diversity and structure in Polylepis australis trees from central Argentina. Austral Ecology 42: 288-296.

Rosche, C., Hensen, I., Mraz, P., Durka, W., Hartmann, M., Lachmuth, S. (2017). Invasion success in polyploids: the role of inbreeding in the contrasting colonization abilities of diploid versus tetraploid populations of Centaurea stoebe sl. Journal of Ecology 105: 425-435.

Saavedra, F., Hensen, I., Quevedo, A. A., Neuschulz, E. L., Schleuning, M. (2017). Seed-deposition and recruitment patterns of Clusia species in a disturbed tropical montane forest in Bolivia. Acta Oecologica 85: 85-92.

Schrieber, K., Wolf, S., Wypior, C., Höhlig, D., Hensen, I., Lachmuth, S. (2017). Adaptive and non‐adaptive evolution of trait means and genetic trait correlations for herbivory resistance and performance in an invasive plant. Oikos 126:  572-582.


Al-Gharaibeh MM, Hamasha HR, Lachmuth S, Hensen I (2016) Local adaptation to different phytogeographic regions: habitat-related variations in seed germination in response to temperature and salinity for two medicinal Salvia species from Jordan. Plant Species Biology. DOI: 10.1111/1442-1984.12123

Al-Gharaibeh MM, Hamasha HR, Rosche C, Lachmuth S, Wesche K, Hensen I (2016) Environmental gradients shape the genetic structure of two medicinal Salvia species in Jordan. Plant Biology DOI: 10.1111/plb.12512

Gallegos, S. C., Beck, S.G., Hensen, I., Saavedra, F., Lippock, D., Schleuning, M. (2016) Factors limiting montane forest regeneration in bracken-dominated habitats in the tropics. Forest Ecology and Management 381: 168-176.

Heinicke, S., Hensen, I., Rosche, C., Hanselmann, D., Gudkova, P.D., Silianteva, M., Wesche, K. (2016) Fragmentation and environmental constraints influence genetic diversity and germination of Stipa pennata in natural steppes. Flora 224: 42-49.

Hirsch, H., Hensen, I., Wesche, K., Wypior, C., Hartmann, M., von Wehrden, H. (2016) Non-native populations of an invasive tree outperform their native conspecifics. AoB Plants doi: 10.1093/aobpla/plw071.

Korell, L., Schmidt, R., Bruelheide, H. Hensen, I. & H. Auge (2016) Mechanisms driving diversity-productivity relationships differ between exotic and native communities and are affected by gastropod herbivory. Oecologia 180: 1025-1036.

Korell, L., Stein, C., Hensen, I., Bruelheide, H., Suding, K. N. and Auge, H. (2016), Stronger effect of gastropods than rodents on seedling establishment, irrespective of exotic or native plant species origin. Oikos 125: 1467-1477.

Marcora, P.I., Tecco, P.A., Zeballos, S. R., Hensen, I. (2016) Influence of altitude on local adaptation in upland tree species from central Argentina. Plant Biology DOI: 10.1111/plb.12513

Peng, Y., Morales, L., Hensen, I. & D. Renison (2016) No effect of elevation and fragmentation on genetic diversity and structure in Polylepis australis trees from central Argentina. Austral Ecology DOI: 10.1111/aec.12432

Rosche C, Durka W, Hensen I, Mráz P, Hartmann M, Müller-Schärer H, Lachmuth S (2016) The population genetics of the fundamental cytotype-shift in invasive Centaurea stoebe s.l.: genetic diversity, genetic differentiation and  small-scale genetic structure differ between cytotypes but not between  ranges. Biological Invasions 18: 1895-1910.

Rosche C, Hensen I, Mráz P, Hartmann M, Durka W, Lachmuth S. (2016) Invasion success in polyploids: the role of inbreeding in the contrasting colonization abilities of diploid versus tetraploid populations of Centaurea stoebe s.l. Journal of Ecology DOI: 10.1111/1365-2745.12670

Seeber, E., Miehe, G., Hensen, I., Yang, Y & K. Wesche 2016. Mixed reproduction strategy and polyploidy facilitate dominance of Kobresia pygmaea on the Tibetan Plateau. Journal of Plant Ecology 9: 87-99.


Gallegos, S. C., Hensen, I., Saavedra, F. & M. Schleuning 2015. Bracken fern facilitates tree seedling recruitment in tropical fire-degraded habitats. - Forest Ecology and Management 337: 135-143.

Peng, Y., Macek, P., Mackova, J., Romoleroux, K. & I. Hensen 2015. Clonal diversity and fine scale genetic structure in a high-Andean treeline population. - Biotropica 47: 59-65.

Renison, D., Chartier, M. P., Menghi, M., Marcora, P. I., Torres, R. C., Giorgis, M., Hensen, I. & A. M. Cingolani 2015. Spatial variation in tree demography associated to domestic herbivores and topography: Insights from a seeding and planting experiment. - Forest Ecology and Management 335: 139-146.


Al-Hawija, B.N., Lachmuth, S., Welk, E. & I. Hensen 2014. Performance of seedlings from natural and afforested populations of Cupressus sempervirens under different temperature and moisture regimes. - Plant Species Biology. doi:10.1111/1442-1984.12060.   

Al-Hawija, B., Wagner, V. & I. Hensen 2014. Genetic comparison between natural and planted populations of Pinus brutia and Cupressus sempervirens in Syria. -Turkish Journal of Agriculture and Forestry 38: 267-280.

Al-Hawija, B., Wagner, V., Partzsch, M. & I. Hensen 2014. Germination differences between natural and afforested populations of Pinus brutia and Cupressus sempervirens. - Silva Fennica 48: 1-18.

Brandt, R., Lachmuth, S., Landschulz, C., Haß, F. & I. Hensen 2014. Species-specific responses to environmental stress on germination and juvenile growth of two Bolivian Andean agroforestry species. - New Forests 45: 777-795.

Gallegos, S. C., Hensen, I. & M. Schleuning 2014. Secondary dispersal by ants enhances seedling recruitment in fire-degraded tropical montane forests. - Journal of Ecology 102: 659-666.

Kessler, M., Kühn, A., Solis-Neffa, V. G. & I. Hensen 2014. Complex geographical distribution of ploidy levels in Polylepis australis (Rosaceae), an endemic tree line species in Argentina. - International Journal of Plant Science 175: 955-961.

Lippok, D., Beck, S. G., Renison, D., Hensen, I., Apaza, A. E. & M. Schleuning 2013. Topography and edge effects are more important than elevation as drivers of vegetation patterns in a neotropical montane forest. - Journal of Vegetation Science 25: 724-733.

Maron, J. L., Auge, H., Pearson, D. E., Korell, L., Hensen, I., Suding, K. N. & C. Stein 2014. Staged invasions across disparate grasslands: effects of consumers, disturbance and seed provenance on productivity and species richness. - Ecology Letters 17: 499-507.

Miehe, G., Miehe, S., Böhner, J., Kaiser, K., Hensen, I., Madsen, D., Liu, J. Q. & L. Opgenoorth 2014. How old is the human footprint in the world’s largest alpine ecosystem? A review of multiproxy records from the Tibetan Plateau from the ecologists’ viewpoint. - Quaternary Science Reviews 86: 190-209.

Rosche, C., Schrieber, K., Hirsch, H., Blachnik, T., Träger, S., Richter, F., Seidler, G. & I. Hensen 2014. Sexuelle Reproduktion und klonales Wachstum in kleinen Populationen von Antennaria dioica (L.) Gaertner. - Hercynia N. F. 47: 51–78.

Saavedra, F., Hensen, I., Beck, S. G., Böhning-Gaese, K., Lippok, D., Töpfer, T. & M. Schleuning 2014. Functional importance of avian seed dispersers changes in response to human-induced forest edges in tropical seed-dispersal networks. - Oecologia 176: 837-848.

Seeber, E., Winterfeld, G., Hensen, I., Sharbel, T. F., Durka, W., Liu, J., Yang, Y.-P. & K. Wesche 2014. Ploidy in the alpine sedge Kobresia pygmaea (Cyperaceae) and related species: combined application of chromosome counts, new microsatellite markers and flow cytometry. - Botanical Journal of the Linnean Society 176: 22-35.

Schulze, M., Partzsch, M. & I. Hensen 2014. Die Xerothermrasenart Veronica spicata L.: Populationsstruktur, Etablierung und pflanzliche Interaktionen. - Hercynia N.F. 45: 79-104.

Stein, K., Rosche, C., Hirsch, H., Kindermann, A., Koehler, J. & I. Hensen 2014. The influence of forest fragmentation on clonal diversity and genetic structure in Heliconia angusta, an endemic understorey herb of the Brazilian Atlantic rain forest. - Journal of Tropical Ecology 30: 199-208.


Apaza Quevedo, A. A., Schleuning, M.,   Hensen, I., Saavedra, F. & W. Durka 2013. Forest fragmentation and edge   effects on the genetic structure of Clusia   sphaerocarpa and C. lechleri (Clusiaceae) in tropical montane forests. - Journal of Tropical Ecology 29:   321-329.

Brandt, R., Mathez-Stiefel, S.-L., Lachmuth, S., Hensen, I. & S. Rist 2013. Knowledge and valuation of Andean agroforestry species: the role of sex, age, and migration among members of a rural community in Bolivia. - Journal of Ethnobiology and Ethnomedicine 9. DOI: 10.1186/1746-4269-9-83.

Brütting, C., Hensen, I. & K. Wesche 2013. Ex situ cultivation affects genetic structure and diversity in arable plants. - Plant Biology 15: 505-513.

Brütting, C., Meyer, S., Kühne, P., Hensen, I. & K. Wesche   2013. Spatial   genetic structure and low diversity of the rare arable plant Bupleurum rotundifolium L. indicate   fragmentation in Central Europe. - Agriculture, Ecosystems and Environment   161: 70-77.

Chumacero de Schawe, C., Durka, W., Tscharntke, T., Hensen, I.   & M. Kessler 2013. Gene flow and genetic   diversity in cultivated and wild cacao (Theobroma cacao) in Bolivia.   - American Journal of Botany 100: 2271-2279.

Durka, W., Nossol, C., Welk, E., Ruprecht, E., Wagner, V., Wesche, K. & I. Hensen 2013. Extreme genetic depauperation and differentiation of both populations and species in Eurasian feather grasses (Stipa). - Plant Systematics and Evolution 299: 249-259.

Hamasha, H. R., Schmidt-Lebuhn, A. N., Durka, W., Schleuning, M. & I. Hensen 2013. Bioclimatic regions influence genetic structure of four Jordanian Stipa species. - Plant Biology 15: 882-891.

Kambach, S., Guerra, F., Beck, S. G., Hensen, I. & M. Schleuning 2013. Human-induced disturbance alters pollinator communities in tropical mountain forests. - Diversity 5: 1-14.

Lippok, D., Beck, S. G., Renison, D.,   Gallegos, S. C., Saavedra, F. Hensen, I. & M. Schleuning 2013. Forest recovery of areas deforested by   fire increases with elevation in the tropical Andes. - Forest Ecology and   Management 295: 69-76.

Lippok,   D., Walter, F., Hensen, I., Beck, S.G. & M. Schleuning 2013. Effects of disturbance and altitude on soil seed   banks of tropical montane forests. - Journal   of Tropical Ecology 29: 523-529.

Prinz, K.,   Weising, K. & I. Hensen 2013. Habitat fragmentation   and recent bottlenecks influence genetic diversity and differentiation of the   Central European halophyte Suaeda maritima (Chenopodiaceae). -   American Journal of Botany 11: 2210-2218.

Stein, K. & I. Hensen 2013. The reproductive biology of two understory plants in the Atlantic rain forest, Brazil. - Ecological Research 28: 593-602.

Svriz, M., Damascos, M. A., Zimmermann, H. & I. Hensen   2013. The exotic   shrub Rosa rubiginosa as a nurse   plant. Implications for the restoration of disturbed temperate forests in   Patagonia, Argentina. - Forest Ecology and Management 289: 234-242.


Al-Hawija, B., Partzsch, M. & I. Hensen 2012.   Effects of temperature, salinity and cold stratification on seed germination   of halophytes. - Nordic Journal of Botany 30: 627-634.

Brandt, R., Zimmermann, H., Hensen, I., Mariscal   Castro, J. C. & S. Rist 2012. Agroforestry   species of the Bolivian Andes: an integrated assessment of ecological,   economic and socio-cultural plant values. - Agroforestry Systems 86:   1-16.

Brütting,   C., Meyer, S., Kühne, P., Hensen, I. & K. Wesche 2012. Spatial genetic structure and low diversity of the   rare arable plant Bupleurum   rotundifolium L. in Central Europe – Agriculture, Ecosystems and   Environment 161: 70-77.

Brütting, C., Wesche, K., Meyer, S. & I. Hensen 2012. Genetic diversity of six arable plants in relation   to their Red List status. - Biodiversity and Conservation 21: 745-761.

Ebeling, S. K., Schreiter, S., Hensen, I., Durka,   W. & H. Auge 2012. Outcrossing   breeding system does not compromise invasiveness in Buddleja davidii. - Flora 207: 843-848.

Hensen, I., Cierjacks, A., Hirsch, H.,   Kessler, M., Romoleroux, K., Renison, D. & K. Wesche 2012. Historic and   recent fragmentation coupled with altitude affect the genetic population   structure of one of the world’s highest tropical tree line species. - Global   Ecology and Biogeography 21: 455-464.

Hirsch, H., Wypior, C., von Wehrden, H., Wesche,   K., Renison, D. & I. Hensen 2012. Germination performance of   native and non-native Ulmus pumila populations. - NeoBiota 15: 53-68.

Svriz, M., Damascos, M. A., Zimmermann, H. &   I. Hensen 2012. The   exotic shrub Rosa rubiginosa as a nurse plant. Implications for the   restoration of disturbed temperate forests in Patagonia, Argentina. – Forest   Ecology and Management 289: 234-242.

Wagner,   V., Treiber, J., Danihelka, J., Ruprecht, E., Wesche, K. & I. Hensen   2012. Declining genetic   diversity and increasing genetic isolation towards the range periphery of a   Eurasian feather grass: A study along a 3000 km longitudinal gradient – International Journal of Plant   Sciences 173: 802-811.

Zimmermann,   H., von Wehrden, H., Renison, D., Wesche, K., Welk, E., Damascos, M. & I.   Hensen 2012. Shrub management is the principal driver of differing population sizes   between native and invasive populations of Rosa rubiginosa L. –   Biological Invasions 14: 2141-2157.


EBELING, S. K., STÖCKLIN, J., HENSEN, I. & H. AUGE 2011. Multiple common garden experiments suggest lack of local adaptation in an invasive ornamental plant. Journal of Plant Ecology 4: 209-220.

HENSEN, I., TEICH, I., HIRSCH, H., VON WEHRDEN, H. & D. RENISON 2011. Range-wide genetic structure and diversity of the endemic treeline species Polylepis australis (Rosaceae) in Argentina. - American Journal of Botany 98: 1825-1833.

HIRSCH, H., ZIMMERMANN, H., RITZ, C. M., WISSEMANN, V., VON WEHRDEN, H., RENISON, D., WESCHE, K., WELK, E. & I. HENSEN 2011. Tracking the Origin of Invasive Rosa rubiginosa Populations in Argentina. - International Journal
of Plant Science 172: 540-550.

JULIO, N. B., RONDAN DUEÑAS, J. C., RENISON, D. & I. HENSEN 2011. Genetic structure and diversity of Polylepis australis (Rosaceae) tree populations from central Argentina: Implications for forest conservation. - Silvae Genetica 60: 55-61.

PARTZSCH, M., PIETSCH, C. & I. HENSEN 2011. A comparative study of germination biology and plant performance in two dry grassland species. – Folia Geobotanica 46: 35-48.

RENISON, D., HENSEN, I. & R. SUÁREZ 2011. Landscape structural complexity of high-mountain Polylepis australis forests: A new aspect of restoration goals. - Restoration Ecology 19: 390-398.

RONNENBERG, K., HENSEN, I. & K. WESCHE 2011. Contrasting effects of moisture availability on pollination- and seed characteristics of Stipa krylovii Roshev. in Mongolian drylands. - Basic Appl Ecol. 12: 141-151.

STEIN, K. & HENSEN, I. 2011. Potential pollinators and robbers: a study of the floral visitors of Heliconia angusta (Heliconiaceae) and their behaviour. - Journal of Pollination Ecology 4:39-47.

WAGNER, V., DURKA, W. & I. HENSEN 2011. Increased differentiation but no reduced diversity in peripheral vs. core populations of a steppe grass. – American Journal of Botany 98: 1173-1178.

WAGNER, V., ANTUNES, P. M., RISTOW, M., LECHNER, U. & I. HENSEN 2011. Prevailing negative soil biota effect and no evidence for local adaptation in the steppe grass Stipa capillata. - PLoS One 6: e17580.

WESCHE, K., WALTHER, D., VON WEHRDEN, H., HENSEN, I. 2011. Trees in the desert: Reproduction and genetic structure of fragmented Ulmus pumila forests in Mongolian dryland . – Flora 206: 91-99.

ZIMMERMANN, H. VON WEHRDEN, H., DAMASCOS, M. A., BRAN, D., WELK, E., RENISON, D. & I. HENSEN 2011. Habitat invasion risk assessment based on Landsat 5 data, exemplified by the shrub Rosa rubiginosa in southern Argentina. -
Austral Ecology 36: 870-880.


BLAESS, C., RONNENBERG, K., TACKENBERG, O, HENSEN, I. AND K. WESCHE 2010. The relative importance of different seed dispersal modes in dry Mongolian rangelands. - Journal of Arid Environments 74: 991-997.

GIORGIS, M. A., CINGOLANI, A. M., TEICH, I., RENISON, D. & I. HENSEN 2010. Do Polylepis australis trees tolerate herbivory? Seasonal patterns of shoot growth and its consumption by livestock. - Plant Ecology 207: 307-319.

HENSEN, I., KILIAN, C., WAGNER, V., DURKA, W., PUSCH, J. & K. WESCHE 2010. Low genetic variability and strong differentiation among isolated populations of the rare steppe grass Stipa capillata L. in central Europe. - Plant Biology 12: 526-536.

PRINZ,    K., WEISING, K. & I. HENSEN    2010. Genetic structure of coastal and inland populations of Spergularia media (L.) C. Presl (Caryophyllaceae) in Central Europe. - Conservation Genetics 11: 2169-2177.

RENISON, D., HENSEN, I., SUAREZ, R., CINGOLANI, A.M., MARCORA, P. & M. A. GIORGIS 2010. Soil conservation in Polylepis mountain woodlands of Central
Argentina: Is livestock deploying our natural capital? – Austral Ecology 35:

WAGNER, V., VON WEHRDEN, H., WESCHE, K., FEDULIN, A., SIDOROVA, T. & I. HENSEN 2010. Similar performance in central and range-edge populations of a Eurasian steppe grass under different climate and soil pH regimes. - Ecography 34:

ZIMMERMANN, H., RITZ, C. M., HIRSCH, H., RENISON, D., WESCHE, K. & I. HENSEN 2010. Highly reduced genetic diversity of Rosa rubiginosa L. populations in the invasive range. - International Journal of Plant Science 171: 435-446.


BUHK, C. & I. HENSEN 2008. Seed longevity of eight species common during early post-fire regeneration in Southeastern Spain: A 3-year burial experiment. Plant Species Biology 23: 18-24.

BUHK, C. & I. HENSEN (in press). Evidence for species specific impacts of resprouters on herbal vegetation patterns during post-fire succession in south-eastern Spain. – Basic and Applied Dryland Research.

Effects of altitude and livestock on the regeneration of two tree line forming Polylepis species in Ecuador. – Plant Ecology 194: 207-221.

CIERJACKS, A., SALGADO, S., WESCHE, K. & I. HENSEN 2008. Post-fire population dynamics of two tree species in high-altitude Polylepis (Rosaceae) forests of Central Ecuador. – Biotropica 40: 176-182.
The invasive shrub Buddleja davidii performs better in the introduced area. - Diversity and Distributions 14: 225-234.

Molecular data indicate multiple independent colonizations of former lignite mining areas in Eastern Germany by Epipactis palustris (Orchidaceae). - Biodiversity and Conservation 17: 2441-2453.

HENSEN, I., KILIAN, C., WAGNER, V., DURKA, W., PUSCH, J. & K. WESCHE (in press) Low genetic variability and strong differentiation among isolated populations of the rare steppe grass Stipa capillata L. in central Europe. - Plant Biology.

RAPD and ISSR markers indicate diminished gene flow due to recent fragmentation of Polylepis australis woodlands in central Argentina. - Biochemical Systematics and Ecology 36: 329-335.

LENDZION, J., SOTO, D., HERZOG S.K. & M. KESSLER 2008. Non-woody life-form contribution to vascular plant species richness in a tropical American forest. - Plant Ecology (online first, DOI 10.1007/s11258-008-9505-z.

The performance of Polylepis australis trees along their entire altitudinal range: implications of climate change for their conservation. - Diversity and Distributions 14: 630-636.

PRINZ, K., WEISING, K. & I. HENSEN (in press) Genetic structure of coastal and inland populations of the annual halophyte Suaeda maritima (L.) Dum. in Central Europe, inferred from amplified fragment length polymorphism (AFLP) markers. Plant Biology.

RENISON, D., HENSEN, I. & R. SUÁREZ (in press).
Structural complexity restoration goals for high mountain Polylepis australis forests. Restoration Ecology.

N., MARTIN, E., CUYCKENS, E., MARCORA, P., ROBLEDO, G., CINGOLANI, A. M., PERASSO, L., CORNELL, F., DOMINGUEZ, J., LANDI, M. & I. HENSEN in press. Estado de conservación de los bosques Argentinos de Polylepis y su avifauna. En: "Una Contribución al Conocimiento de los Bosques Altoandinos de Polylepis: Distribución, Diversidad y Estado Actual de los Bosques más Altos del Mundo". American Bird Conservancy - Comunidad Andina, Lima, Perú.

RONNENBERG, K., WESCHE, K. & I. HENSEN 2008. Germination ecology of Central Asian Stipa spp: Differences among species, accessions, and the importance of field studies. – Plant Ecology 196: 269–280.

SCHIEBOLD, S., I. HENSEN, K. WESCHE & M. RÖSER (in press) Extensive clonality of the endemic Calamagrostis pseudopurpurea ex O.R. Heine in central Germany revealed by RAPD markers. Plant Biology.

Breeding system and pollen availability of the tree line species Polylepis australis in fragmented woodlands in central Argentina. – Basic and Applied Ecology (online first).

SELTMANN, P., HENSEN, I., RENISON, D., WESCHE, K., PLOCH, S., RONDAN DUEÑAS, J., COCUCCI, A., JUNG, K. (accepted). Biparental inbreeding depression, genetic relatedness and progeny vigor in a wind-pollinated treeline species in Argentina. –Plant Ecology.

SUAREZ, M. L., RENISON, D., MARCORA, P. & HENSEN, I. 2008. Age–size–habitat relationships for Polylepis australis: dealing with endangered forest ecosystems
– Biodiversity and Conservation 17: 2617-2625.

Polylepis australis regeneration niche in relation to seed dispersal, site characteristics and livestock density. – Forest Ecology and Management 254: 255-260.

WESCHE, K., CIERJACKS, A., ASSEFA, Y., WAGNER, S., FETENE, M. & HENSEN, I. 2008. Recruitment of trees at tropical alpine treelines: Erica in Africa versus Polylepis in South America. - Plant Ecology & Diversity, 1: 35-46.

Do we need livestock grazing to promote Polylepis australis tree recruitment in the Central Argentinean Mountains? – Ecological Research.

BACHMANN, U. & I. HENSEN 2007. Is declining Campanula glomerata threatened by genetic factors? – Plant Species Biology 22: 1-10.

CIERJACKS, A., WESCHE, K. & I. HENSEN 2007. Potential lateral expansion of Polylepis forest fragments in central Ecuador. - Forest Ecology and Management 242: 477-486.

CIERJACKS, A., IGLESIAS, J.E., WESCHE, K. & I. HENSEN 2007. Impact of sowing, canopy cover and litter on seedling dynamics of Polylepis species at upper tree lines in Central Ecuador. - Journal of Tropical Ecology 23: 309-318.

Pollination ecology of Justicia rusbyi (Acanthaceae), a common understorey plant in a tropical mountain forest in eastern Bolivia. – Plant Species Biology 22: 211-216.

HENSEN, I. & K. WESCHE 2007. Genetic structure of the rare Poa badensis in central Germany. - Nova Hedwigia 131: 177-186.

Introgressive hybridization of Senecio hercynicus and S. ovatus (Compositae, Senecioneae) along an altitudinal gradient in Harz National park (Germany). – Systematics and Biodiversity 5: 333-344.

Germination of five mountain steppe species of Central Asia. – Journal of Arid Environments 71: 404-410.

Hummingbirds as drivers of plant speciation? - Trends in Plant Science 12: 329-330.

Variation of seed mass and its effects on germination in Polylepis australis: implications for seed collection. – New Forests 33: 171-181.

SELTMANN, P., RENISON, D., COCUCCI, A., I. HENSEN & K. JUNG 2007. Fragment size, pollination efficiency and reproductive success in natural populations of wind-pollinated Polylepis australis (Rosaceae) trees. – Flora 202: 547-554.


BACHMANN, U. & I. HENSEN 2006. Is population size of Campanula glomerata decreasing after abandonment of traditional land-use? – Feddes Repertorium 117: 164-171.


BUHK, C., GÖTZENBERGER, L., WESCHE, K., SÁNCHEZ GÓMEZ, P. & I. HENSEN 2006. Post-fire regeneration in Mediterranean pine forest with historically low fire frequency. – Acta Oecologia (online first).

BUHK, C. & I. HENSEN 2006. „Fire-seeders” during early post-fire succession and their quantitative importance in south-eastern Spain. – Journal of Arid Environments 66: 193-209.

HENSEN, I. & K. WESCHE 2006. Relationships between population size, genetic diversity and fitness components in the rare plant Dictamnus albus in Central Germany. – Biodiversity and Conservation 15: 2249-2261.

RENISON, D., HENSEN, I., SUAREZ, R. & A.M. CINCOLANI 2006. Cover and growth habit of Polylepis woodlands and shrublands in the mountains of central Argentina: human or environmental influence? – Journal of Biogeography 33: 876-887.

WESCHE, K., HENSEN, I. & R. UNDRAKH 2006. Genetic structure of Galitzkya macrocarpa and G. potaninii, two closely related endemics of central Asian high mountain ranges. – Annals of Botany 98: 1025-1034.

WESCHE, K., HENSEN, I. & R. UNDRAKH 2006. Range-wide genetic analysis gives evidence for isolation among populations of the Central Asian endemic Potentilla ikonnikovii Juz. (Rosaceae). – Plant Species Biology 21: 155-163.

WESCHE, K., PIETSCH, M., RONNENBERG, K., UNDRAKH, R. & I. HENSEN 2006. Lack of seed dormancy in species of dry Central Asian steppes. – Seed Science Research 16: 123-136.


BACHMANN, U., HENSEN, I. & M. PARTZSCH 2005. Is Campanula glomerata threatened by competition of expanding grasses? – Plant Ecology 180: 257-265.

BUHK, C. & I. HENSEN 2005. Lack of hard-seeded species in pre-fire and post-fire seed banks in the region of Murcia (south-eastern Spain). - Anales de Biología 27: 29-37.

BUHK, C., SÁNCHEZ GÓMEZ, P. & I. HENSEN 2005. Regeneration mechanisms during early post-fire vegetation regeneration in south-eastern Spain – a quantitative approach. – Feddes Repertorium 116: 392-404.

DITTBRENNER A., PARTZSCH M. & I. HENSEN 2005. Beiträge zur Populationsbiologie und Vergesellschaftung von Angelica palustris (BESSER) HOFFM.. – Hercynia N.F. 38: 59-88.

DITTBRENNER, A., HENSEN, I. & K. WESCHE (2005). Genetic structure and RAPD diversity of the rapidly declining Angelica palustris (Apiaceae) in Eastern Germany in relation to population size and seed production. - Plant Species Biology 20: 191-200.

HENSEN, I. & C. OBERPRIELER 2005. Effects of population size on genetic diversity and seed production in the rare Dictamnus albus (Rutaceae) in central Germany. Conservation Genetics 6: 63-73.

HENSEN, I., OBERPRIELER, C. & K. WESCHE 2005. Genetic Structure, Population Size, and Seed Production of Pulsatilla vulgaris (Ranunculaceae) in Central Germany. – Flora 200: 3-14.

RENISON, D., CINGOLANI, A. M., SUAREZ, R., MENOYO, E., COUTSIERS, C., SOBRAL, A. & I. HENSEN 2005. The restoration of degraded mountain woodlands: effects of seed provenance and microsite characteristics on Polylepis australis seedling survival and growth in Central Argentina. – Restoration Ecology 13: 129-137.

SOMMERWERK, A., PARTZSCH, M., WESCHE, K. & I. HENSEN 2005. Standortökologie und phytozönologische Bindung der beiden Adventivarten Gypsophila perfoliata und G. scorzonerifolia (Caryophyllaceae) in Zentraldeutschland. – Hercynia 38: 263-286.

TEICH, I., CINGOLANI, A., RENISON, D., HENSEN, I. & M. GIORGIS 2005. Do domestic herbivores retard Polylepis australis woodland recovery in the mountains of Córdoba, Argentina? - Forest Ecology and Management 219: 229-241.

WESCHE, K., PARTZSCH, M., KREBES, S. & I. HENSEN 2005. Gradients in dry grassland and heath vegetation on rocky outcrops in Eastern Germany – an analysis of a large phytosociological data set. – Folia Geobotanica 40: 341-356.

WESCHE, K., RONNENBERG, K. & I. HENSEN 2005. Lack of sexual reproduction within mountain steppe populations of the clonal shrub Juniperus sabina L. in semi-arid southern Mongolia. – Journal of Arid Environments 63: 390-405.


CIERJACKS, A. & I. HENSEN 2004. Variation of stand structure and regeneration of Mediterranean holm oak along a grazing intensity gradient. - Plant Ecology 173: 215-223.

RENISON, D., HENSEN, I. & A. CINGOLANI 2004. Anthropogenic soil degradation affects seed viability in Polylepis australis mountain forests of central Argentina. - Forest Ecology and Management 196: 327-333.

SCHÖNING, C., ESPALADER, X., HENSEN, I. & F. ROCES 2004. Seed predation of the tussock grass Stipa tenacissima L. by ants (Messor spp.) in south-eastern Spain: the adaptive value of trypanocarpy. - Journal of Arid Environments 56: 43-61.

SCHULZE, H., HENSEN, I., WESCHE, K. & R. STORDEUR 2004. Die Verbreitung epigäischer Flechten und ihre Beziehungen zu ausgewählten Phanerogamengesellschaften im NSG Harslebener Berge und Steinholz (Sachsen-Anhalt). – Hercynia N.F. 37: 73-85.


GÖTZENBERGER, L., OHL, C., HENSEN, I., SÁNCHEZ GÓMEZ, P. & K. WESCHE 2003. Postfire regeneration of a thermomediterranean shrubland area in south-eastern Spain. Anales de Biología 25: 21-28.

PARTZSCH, M., SCHERF, W. & I. HENSEN 2003. Die Porphyrkuppenlandschaft des unteren Saaletals - Vegetationsdynamische Untersuchungen auf kleinflächigen Kuppen unterschiedlicher Entstehungszeit. – Tuexenia 23: 227-255.

RICHTER, B., PARTZSCH, M. & I. HENSEN 2003. Vegetation, Kultur und Nutzungsgeschichte der xerothermen Hügellandschaft bei Mücheln/Wettin (Sachsen-Anhalt). - Hercynia 36: 93-121.


CIERJACKS, A., HENSEN, I. & P. SANCHEZ 2002. Effects of grazing on the species composition in a holm oak forest community of south-eastern Spain (Adenocarpo decorticantis-Quercetum rotundifoliae Rivas Martínez 1987). – Bot. Jahrb. Syst. 123: 447-461.

HENSEN, I. 2002. Impacts of anthropogenic activity on the vegetation of Polylepis woodlands in the region of Cochabamba/Bolivia. – Ecotropica 8: 183-203.

HENSEN, I. 2002. Seed predation by ants in south-eastern Spain (Desierto de Tabernas, Almería). - Anales de Biología 24 : 89-96.

before 2002

FREY, W., HENSEN, I. & T. HEINKEN 2001. Life strategies in the xerothermous vegetation complex of the lower Unstrut valley (Saxony-Anhalt, Germany). – Feddes Repertorium 112: 87-105

KESSLER, M. & I. HENSEN 2001. Es hoy en día la designación formal de unidades fitosociológicas de vegetación un método adecuado en Bolivia? - Ecología en Bolivia 36: 71-72.

FREY, W., HEINZ, S., HENSEN, I. & T. PFEIFFER 1999. Nahausbreitung bei Pflanzen – Ermittlung der Ausbreitungsweiten von Diasporen mittels Klebeplatten. – Botanische Jahrbücher für Systematik 121: 75-84.

HENSEN, I. & S. ZUTHER 1999. Die Anthyllis cytisoides-Gesellschaft im südostspanischen Trockengebiet - Lebensstrategien in einer mesomediterranen Ersatzgesellschaft. – Tuexenia 19: 469-493.

HENSEN, I. 1999: Life strategies in a semi-arid grassland community - mechanisms of dispersal and reproduction within Lapiedro martinezii-Stipetum tenacissimae (Southeastern Spain). - Feddes Repert. 110: 256-285.

HENSEN, I. 1999: Life strategies of semi-desert plants: mechanisms of dispersal and reproduction in the thermomediterranean shrubland community Anabasio-Euzomodendretum bourgaeani. - Anales Jard. Bot. Madrid 57: 63-79.

HENSEN, I. 1999: Reproductive patterns in five semi-desert perennials of Southeastern Spain. - Bot. Jahrb. Syst. 121: 491-505.

HENSEN, I. & M. KENTRUP 1998. Teucrio botryos - Melicetum ciliatae (Traubengaman-der-Wimperperlgrasflur) - Lebensstrategien in einer xerothermen Fels-Pioniergesellschaft. Tuexenia 18: 217-236.

HENSEN, I. 1998. Life strategies in salt marsh communities of the East Frisian North Sea Coast (North-western Germany). – Fragm. Flor. Geobot. 43: 237-256.

BÖTTNER, I., FREY, W. & I. HENSEN 1997. Carex humilis-Gesellschaft im unteren Unstruttal (mitteldeutsches Trockengebiet) - Lebensstrategien in einer xerothermen Vegetationseinheit. - Feddes Repertorium 108: 583-602.

HENSEN, I. & C. MÜLLER 1997. Experimental and structural investigations of anemochorous dispersal. - Plant Ecology 133: 169-180.

HENSEN, I. 1997. Estudio fito-ecológico en bosques de Polylepis de la Cordillera Oriental de Bolivia. AGRUCO, Cochabamba/Bolivien: 134 S.

HENSEN, I. 1997. Life strategy systems of xerothermic grasslands - mechanisms of repro-duction and colonization within Stipetum capillatae s.l. and Adonido-Brachypodietum pinnati. - Feddes Repertorium 108 (5-6): 425-452.

FREY, W., HENSEN, I. & KÜRSCHNER, H. 1995. Drabo-Hieracietum humilis (Habichtskraut-Felsspaltengesellschaft) - Lebensstrategien von Felsspaltenbesiedlern. - Botanische Jahrbücher für Systematik 117: 249-272.

FREY, W. & HENSEN, I. 1995. Spergulo morisonii-Corynephoretum canescentis (Frühlingsspark-Silbergrasflur) - Lebensstrategien von Binnendünen- und Lockersandbesiedlern. - Feddes Repertorium 106 (5-8), 533-553.

FREY, W. & HENSEN, I. 1995. Lebensstrategien bei Pflanzen: ein Klassifizierungs-vorschlag. Botanische Jahrbücher für Systematik 117, 187-209.

HENSEN, I. 1995. Die kontinentalen Stipa-Steppenrasen der mittel- und nordostdeutschen Trockengebiete. - Gleditschia 23: 3-24.

HENSEN, I. 1995. Die Vegetation von Polylepis-Wäldern der Ostkordillere Boliviens. Phytocoenologia 25(2): 235-277.

HENSEN, I. 1994. Estudios ecológicos y fenológicos sobre Polylepis besseri Hieron. en la Cordillera Oriental Boliviana. Ecología en Bolivia 23: 21-32.

HENSEN, I. 1993. Vegetationsökologische Untersuchungen in Polylepis-Wäldern der Ostkordillere Boliviens. Dissertation, Univ. Göttingen: 155 S. und Tabellenanhang.

HENSEN, I. 1992. La Flora de la Comunidad Chorojo. Su Uso, Taxonomía científica y vernacular. AGRUCO, Universidad Mayor de San Simón, Serie Técnica 28, Cochabamba: 37 S.

HENSEN, I. 1992. La Flora de la Comunidad Chorojo. Bosques y Desarrollo 4, Cali/ Kolumbien: 26 - 30.

BELLOT, J. & HENSEN, I. 1991. Manejo tradicional de un bosque de kewiña en Chorojo - Cochabamba. In: Sorgedrager, J.K. et al. (Hrsg.): Sistemas agroforestales tradicionales en Bolivia. La Paz: 89-92.

HENSEN, I. 1991. El Bosque de Kewiña de Chorojo - ¿Ejémplo de un Sistema agroforestal andina sostenible? AGRUCO, Universidad Mayor de San Simón, Cochabamba: 26 S.