| # | Title | Journal | Year | Citations |
|---|
| 1 | Non-structural carbon compounds in temperate forest trees | Plant, Cell and Environment | 2003 | 625 |
| 2 | Amoebae as Training Grounds for Intracellular Bacterial Pathogens | Applied and Environmental Microbiology | 2005 | 452 |
| 3 | Illuminating the Evolutionary History of Chlamydiae | Science | 2004 | 373 |
| 4 | Fluorescence in situ hybridisation for the identification and characterisation of prokaryotes | Current Opinion in Microbiology | 2003 | 335 |
| 5 | A regional impact assessment of climate and land‐use change on alpine vegetation | Journal of Biogeography | 2003 | 325 |
| 6 | Modelling climate change-driven treeline shifts: relative effects of temperature increase, dispersal and invasibility | Journal of Ecology | 2004 | 320 |
| 7 | 16S rRNA Gene-Based Oligonucleotide Microarray for Environmental Monitoring of the Betaproteobacterial Order “ Rhodocyclales ” | Applied and Environmental Microbiology | 2005 | 231 |
| 8 | Patterns and processes of shell fragmentation in modern and ancient marine environments | Earth-Science Reviews | 2003 | 227 |
| 9 | Zooplankton biomass and community structure in a Danube River floodplain system: effects of hydrology | Freshwater Biology | 2002 | 218 |
| 10 | Composition of the microbial communities in the mineral soil under different types of natural forest | Soil Biology and Biochemistry | 2005 | 203 |
| 11 | Growth and water relations of Tamarix ramosissima and Populus euphratica on Taklamakan desert dunes in relation to depth to a permanent water table | Plant, Cell and Environment | 2003 | 190 |
| 12 | Microarray and Functional Gene Analyses of Sulfate-Reducing Prokaryotes in Low-Sulfate, Acidic Fens Reveal Cooccurrence of Recognized Genera and Novel Lineages | Applied and Environmental Microbiology | 2004 | 188 |
| 13 | The influence of land-use practices and economics on plant species richness in meadows | Biological Conservation | 2003 | 181 |
| 14 | Linking pattern and process in cultural landscapes. An empirical study based on spatially explicit indicators | Land Use Policy | 2004 | 176 |
| 15 | Functional diversity of the soil microflora in primary succession across two glacier forelands in the Central Alps | European Journal of Soil Science | 2003 | 175 |
| 16 | Surrogate taxa for biodiversity in agricultural landscapes of eastern Austria | Biological Conservation | 2004 | 169 |
| 17 | Phylogenetic and Functional Heterogeneity of Sediment Biofilms along Environmental Gradients in a Glacial Stream | Applied and Environmental Microbiology | 2001 | 159 |
| 18 | Novel chlamydiae in whiteflies and scale insects: endosymbionts ‘Candidatus Fritschea bemisiae’ strain Falk and ‘Candidatus Fritschea eriococci’ strain Elm | International Journal of Systematic and Evolutionary Microbiology | 2005 | 157 |
| 19 | Lateral Gene Transfer of Dissimilatory (Bi)Sulfite Reductase Revisited | Journal of Bacteriology | 2005 | 153 |
| 20 | Bacterial Endosymbionts of Free‐living Amoebae1 | Journal of Eukaryotic Microbiology | 2004 | 149 |
| 21 | Temperature-dependent shift from labile to recalcitrant carbon sources of arctic heterotrophs | Rapid Communications in Mass Spectrometry | 2005 | 145 |
| 22 | Comparison of the element composition in several plant species and their substrate from a 1 500 000-km2 area in Northern Europe | Science of the Total Environment | 2001 | 141 |
| 23 | Allochthonous and autochthonous particulate organic matter in floodplains of the River Danube: the importance of hydrological connectivity | Freshwater Biology | 2003 | 136 |
| 24 | Patterns of Shrub Invasion into High Mountain Grasslands of the Northern Calcareous Alps, Austria | Arctic, Antarctic, and Alpine Research | 2003 | 131 |
| 25 | Estimation of element deposition derived from road traffic sources by using mosses | Environmental Pollution | 2005 | 129 |
| 26 | Filamentous “Epsilonproteobacteria” Dominate Microbial Mats from Sulfidic Cave Springs | Applied and Environmental Microbiology | 2003 | 125 |
| 27 | Nitrogen content, 15N natural abundance and biomass of the two pleurocarpous mosses Pleurozium schreberi (Brid.) Mitt. and Scleropodium purum (Hedw.) Limpr. in relation to atmospheric nitrogen deposition | Environmental Pollution | 2005 | 117 |
| 28 | Environmental determinants of vascular plant species richness in the Austrian Alps | Journal of Biogeography | 2005 | 115 |
| 29 | A mixing model analysis of stream solute dynamics and the contribution of a hyporheic zone to ecosystem function* | Freshwater Biology | 2003 | 112 |
| 30 | Ecological integrity of river-floodplain systems?assessment by dragonfly surveys (Insecta: Odonata) | River Research and Applications | 2001 | 111 |
| 31 | A resampling approach for evaluating effects of pasture abandonment on subalpine plant species diversity | Journal of Vegetation Science | 2003 | 104 |
| 32 | Fish as indicators for the assessment of the ecological integrity of large rivers | Hydrobiologia | 2000 | 98 |
| 33 | Remote Sensing in Landscape Ecology: Experiences and Perspectives in a European Context | Landscape Ecology | 2006 | 98 |
| 34 | Nitrogen-15 natural abundance in a montane cloud forest canopy as an indicator of nitrogen cycling and epiphyte nutrition | Oecologia | 2002 | 96 |
| 35 | GLORIA: A Global Observation Research Initiative in Alpine Environments | Mountain Research and Development | 2000 | 93 |
| 36 | Influence of extreme pollution on the inorganic chemical composition of some plants | Environmental Pollution | 2001 | 89 |
| 37 | Land use and sustainability indicators. An introduction | Land Use Policy | 2004 | 88 |
| 38 | Dragonfly associations (Insecta: Odonata) in relation to habitat variables: a multivariate approach | Hydrobiologia | 2003 | 87 |
| 39 | An autoradiographic examination of carbon fixation, transfer and utilization in the Riftia pachyptila symbiosis | Marine Biology | 2000 | 84 |
| 40 | Preparation of starch and other carbon fractions from higher plant leaves for stable carbon isotope analysis | Rapid Communications in Mass Spectrometry | 2001 | 84 |
| 41 | The impact of surface water exchange on the nutrient and particle dynamics in side-arms along the River Danube, Austria | Science of the Total Environment | 2004 | 84 |
| 42 | Hydrodynamics is a major determinant of streambed biofilm activity: From the sediment to the reach scale | Limnology and Oceanography | 2000 | 80 |
| 43 | The influence of agricultural land-use intensity on bryophyte species richness | Biodiversity and Conservation | 2001 | 79 |
| 44 | Contrasting patterns of leaf solute accumulation and salt adaptation in four phreatophytic desert plants in a hyperarid desert with saline groundwater | Journal of Arid Environments | 2004 | 79 |
| 45 | Evaluating the ecological sustainability of Austrian agricultural landscapes—the SINUS approach | Land Use Policy | 2004 | 79 |
| 46 | Some like it wet — biological characteristics underpinning tolerance of extreme water stress events in Antarctic bryophytes | Functional Plant Biology | 2006 | 77 |
| 47 | Ribbons of semithin sections: an advanced method with a new type of diamond knife | Journal of Neuroscience Methods | 2002 | 75 |
| 48 | Variations in heavy metal concentrations in the moss species Abietinella abietina (Hedw.) Fleisch. according to sampling time, within site variability and increase in biomass | Science of the Total Environment | 2003 | 74 |
| 49 | Life history and reproductive capacity ofGammarus fossarumandG. roeseli(Crustacea: Amphipoda) under naturally fluctuating water temperatures: a simulation study | Freshwater Biology | 2003 | 72 |
| 50 | Complexity of Bacterial Communities in a River-Floodplain System (Danube, Austria) | Applied and Environmental Microbiology | 2005 | 70 |
