Search Results - "Ohlemüller, Ralf"

A global comparative analysis of elevational species richness patterns of ferns by Kessler, Michael, Kluge, Jürgen, Hemp, Andreas, Ohlemüller, Ralf

“…Aim: Elevational gradients offer an outstanding opportunity to assess factors determining patterns of species richness, but along single transects potential…”
Get full text

Recent trends in the timing of the growing season in New Zealand's natural and semi-natural grasslands by Hua, Xiaobin, Sirguey, Pascal, Ohlemüller, Ralf

“…We investigate the temporal dynamics of shifts in phenological responses of a range of key stages of the growing season in New Zealand's three indigenous…”
Get full text

Do modern climatic niches distinguish extinct and extant plant genera in New Zealand? by Schlenker, Nora, Lee, William G., Reichgelt, Tammo, Ohlemüller, Ralf

“…Past climate changes have had large impacts on modern ecological patterns. Understanding if legacies are distinguishable in the climatic niches of extant and…”
Get full text

Can we predict which species win when new habitat becomes available? by Nomura, Miki, Ohlemüller, Ralf, Lee, William G, Lloyd, Kelvin M, Anderson, Barbara J

“…Land cover change is a key component of anthropogenic global environmental change, contributing to changes in environmental conditions of habitats…”
Get full text

Geographic versus environmental space: Patterns of potential native and exotic woody propagule pressure on New Zealand's indigenous grasslands by Hua, Xiaobin, Ohlemüller, Ralf

“…Indigenous grassland ecosystems worldwide are increasingly subject to shrub encroachment. A key factor determining encroachment patterns is the availability of…”
Get full text

Differential effects of topography on the timing of the growing season in mountainous grassland ecosystems by Hua, Xiaobin, Ohlemüller, Ralf, Sirguey, Pascal

“…•What is the overall scientific problem and why did you study it?•Topography is a key driver of the timing of ecosystem processes in mountainous areas.•How did…”
Get full text

Explaining patterns of avian diversity and endemicity: climate and biomes of southern Africa over the last 140,000 years by Huntley, Brian, Collingham, Yvonne C., Singarayer, Joy S., Valdes, Paul J., Barnard, Phoebe, Midgley, Guy F., Altwegg, Res, Ohlemüller, Ralf

“…Aim: Test hypotheses that present biodiversity and endemic species richness are related to climatic stability and/or biome persistence. Location: Africa south…”
Get full text

The coincidence of climatic and species rarity: high risk to small-range species from climate change by Ohlemüller, Ralf, Anderson, Barbara J, Araújo, Miguel B, Butchart, Stuart H M, Kudrna, Otakar, Ridgely, Robert S, Thomas, Chris D

“…10 000 years. We show that the rare climates that occur in current centres of species rarity will shrink disproportionately under future climate change,…”
Get full text

Novel Conditions in Conservation Translocations: A Conservative-Extrapolative Strategic Framework by Hunter-Ayad, James, Jarvie, Scott, Greaves, Glen, Digby, Andrew, Ohlemüller, Ralf, Recio, Mariano R., Seddon, Philip J.

“…In response to anthropogenic threats, conservation translocations are increasingly used to combat species' population and range declines. However, moving…”
Get full text

Monitoring Dynamic Braided River Habitats: Applicability and Efficacy of Aerial Photogrammetry from Manned Aircraft versus Unmanned Aerial Systems by Khan, M Saif I., Ohlemüller, Ralf, Maloney, Richard F., Seddon, Philip J.

“…Despite growing interest in using lightweight unmanned aerial systems (UASs) for ecological research and conservation, review of the operational aspects of…”
Get full text

Plateau: a new method for ecologically plausible climate envelopes for species distribution modelling by Brewer, Mark J., O'Hara, Robert B., Anderson, Barbara J., Ohlemüller, Ralf, Kriticos, Darren

“…Summary Ecologists often wish to describe mathematical relationships between response variables and climate covariates in spatial models of species…”
Get full text

Disentangling the influence of climatic and geological changes on species radiations by Linder, H. Peter, Rabosky, Daniel L., Antonelli, Alexandre, Wüest, Rafael O., Ohlemüller, Ralf

“…Aim Our aim was to seek explanations for the differences in the diversity among the austral continents by comparing the diversification rates and patterns in…”
Get full text

Quantifying components of risk for European woody species under climate change by OHLEMÜLLER, RALF, GRITTI, EMMANUEL S, SYKES, MARTIN T, THOMAS, CHRIS D

“…Estimates of species extinction risk under climate change are generally based on differences in present and future climatically suitable areas. However, the…”
Get full text

Towards European climate risk surfaces: the extent and distribution of analogous and non-analogous climates 1931-2100 by Ohlemüller, Ralf, Gritti, Emmanuel S., Sykes, Martin T., Thomas, Chris D.

“…Aim: Climate is an important determinant of species distributions. We assess different aspects of risk arising from future climate change by quantifying…”
Get full text

Local vs regional factors as determinants of the invasibility of indigenous forest fragments by alien plant species by Ohlemüller, Ralf, Walker, Susan, Bastow Wilson, J.

“…Both local and regional filters can determine the invasion of alien species into native plant communities. However, their relative importance is essentially…”
Get full text

Methods to account for spatial autocorrelation in the analysis of species distributional data: a review by Dormann, Carsten F, McPherson, Jana M, Araújo, Miguel B, Bivand, Roger, Bolliger, Janine, Carl, Gudrun, Davies, Richard G, Hirzel, Alexandre, Jetz, Walter, Daniel Kissling, W, Kühn, Ingolf, Ohlemüller, Ralf, Peres-Neto, Pedro R, Reineking, Björn, Schröder, Boris, Schurr, Frank M, Wilson, Robert

“…Species distributional or trait data based on range map (extent-of-occurrence) or atlas survey data often display spatial autocorrelation, i.e. locations close…”
Get full text

Iberian Peninsula as a potential source for the plant species pool in Germany under projected climate change by Bergmann, Jessica, Pompe, Sven, Ohlemüller, Ralf, Freiberg, Martin, Klotz, Stefan, Kühn, Ingolf

“…The application of niche-based modelling techniques to plant species has not been explored for the majority of taxa in Europe, primarily due to the lack of…”
Get full text

Diversity and ecology of saxicolous vegetation mats on inselbergs in the Brazilian Atlantic rainforest by POREMBSKI, STEFAN, MARTINELLI, GUSTAVO, OHLEMÜLLER, RALF, BARTHLOTT, WILHELM

“…Inselbergs occur as mostly dome-shaped rock outcrops in all climatic and vegetational zones of the tropics. Consisting of Precambrian granites and gneisses,…”
Get full text

Running Out of Climate Space by Ohlemueller, Ralf

“…Mapping the speed of climate change helps to explain and predict biodiversity patterns on land and in the sea. Current biodiversity patterns across the globe…”
Get full text

Rapid Range Shifts of Species Associated with High Levels of Climate Warming by Chen, I-Ching, Hill, Jane K., Ohlemüller, Ralf, Roy, David B., Thomas, Chris D.

“…The distributions of many terrestrial organisms are currently shifting in latitude or elevation in response to changing climate. Using a meta-analysis, we…”
Get full text