Institute of Grassland Science

Dr. Christoph Raab

Research interests


  • satellite remote sensing
  • machine learning
  • prediction of grassland forage quality and quantity indicators
  • biodiversity and nature conservation
  • maintenance of open habitat types



Project:

"Conservation of open landscapes by targeted land and wildlife management - Integration of wild populations of red deer into the management of open habitats"

Subproject "Vegetation Utilization"

project page

Short CV

since 2016: PhD researcher, Georg-August-University Göttingen
Topic: Combining remote sensing data at different spatial, temporal and spectral resolutions to assess the role of red deer (Cervus elaphus) as habitat engineers in open grasslands

2014-2015: Research assistant, University College Cork/Geography Department/Geoinformation and remote sensing group
Project: Mapping Land Cover in Lowlands and Uplands with Satellite Imagery - TaLAM

2011-2014: M.Sc. Geography – Environmental Hydrology, Freie Universität Berlin
Thesis: Land cover pattern in a sub-catchment of the Voi River, Kenya, from remote sensing and field data - A comparison of pixel- and object-based classification methods

untill 2011: B.Sc. Georesources Management , RWTH Aachen
Thesis: Wildbäche und Muren in den Hochgebirgsregionen der Alpen: Größenordnung, Verbaumaßnahmen und ökologische Konzepte


Publications

in peer-reviewed journals
Raab C., Stroh H.-G., Tonn B., Meißner M., Rohwer N., Balkenhol N., Isselstein J. (2018): Mapping semi-natural grassland communities using multi-temporal RapidEye remote sensing data. International Journal of Remote Sensing. DOI: 10.1080/01431161.2018.1504344

Tonn B., Raab C., Isselstein J. (2018); Sward patterns created by patch grazing are stable over more than a decade. Grass and Forage Science. DOI: 10.1111/gfs.12389

Barrett B., Raab C., Cawkwell F., & Green S. (2016): Upland vegetation mapping using Random Forests with optical and radar satellite data. Remote Sensing in Ecology and Conservation. DOI: 10.1002/rse2.32

Raab C., Barrett B., Green S., Cawkwell F. (2015): Evaluation of multi-temporal and multi-sensor atmospheric correction strategies for land cover accounting and monitoring in Ireland. Remote Sensing Letters. DOI: 10.1080/2150704X.2015.1076950


Conference proceedings

Raab C., Stroh H.-G., Tonn B., Meißner M., Rohwer N., Balkenhol N., Isselstein J. (2018): Using multi-temporal RapidEye remote sensing data to map semi-natural grassland communities. [Poster presentation], 10th International Conference on Ecological Informatics, Jena, Germany, 24-SEP-18 – 28-SEP-18

Raab C., Riesch F., Tonn B., Meißner M., Balkenhol N., Isselstein J. (2018): Methods for spatially explicit estimation of NATURA 2000 grassland forage quality using satellites. [Poster presentation and Proceedings contribution], In Grassland Science in Europe, 23:901-903.

Tonn B., Hüppe C., Kunze N., Noll C., Raab C., Isselstein J. (2018): Nutrient transfer by cattle through different spatial patterns of grazing and non-grazing behaviour. [Poster presentation and Proceedings contribution], Grassland Science in Europe 23, 913.

Tonn B., Hüppe C., Kunze N., Raab C., Isselstein J. (2018): Räumliche Präferenzen weidender Rinder verursachen Nährstoffumverteilung auf mehreren Maßstabsebenen. [Poster presentation and Proceedings contribution], Mitteilungen der Arbeitsgemeinschaft Grünland und Futterbau 62, 253-257.

Barrett B., Bika K., Ali I., Raab C. (2016): Grassland management and biomass retrieval in an intensive dairy farm in Ireland using TerraSAR-X Staring Spotlight mode data. [Oral presentation], X/TanDEM-X Science Team Meeting, German Aerospace Center (DLR), Oberpfaffenhofen, Germany, 17-OCT-16 – 20-OCT-16

Raab C., Tonn B., Meißner M., Isselstein J. (2016): Erhalt von Offenlandschaften – wildlebende Rothirsche als Landschaftpfleger – Vegetation und Fernerkundung., [Poster presentation], 8. Rotwildsymposium - Der Hirsch als Naturschützer, Kurhaus Casino, Baden-Baden, Germany, 07-JUL-16 – 09-JUL-16.

Meißner M., Raab C., Richter L., Riesch F., (2016): Erhalt von Offenlandschaften durch zielgerichtetes Flächen- und Wildtiermanagement - wildlebende Rothirsche als Landschaftspfleger, [Oral presentation], 8. Rotwildsymposium - Der Hirsch als Naturschützer, Kurhaus Casino, Baden-Baden, Germany, 07-JUL-16 – 09-JUL-16.

Richter L., Raab C., Meißner M., Balkenhol N. (2016): Erhalt von Offenlandschaften – wildlebende Rothirsche als Landschaftpfleger – Telemetrie. [Poster presentation], 8. Rotwildsymposium - Der Hirsch als Naturschützer, Kurhaus Casino, Baden-Baden, Germany, 07-JUL-16 – 09-JUL-16.

Raab C., Soum C., Jeanselme A., Barrett B., Cawkwell F., Green S. (2016): Upland vegetation discrimination using multi-temporal RapidEye data – a comparison between object-oriented and pixel-based Random Forest approaches. [Poster presentation], esa Living Planet Symposium 2016, Prague Congress Centre, Prague, Czech Republic, 9-MAY-16 – 13-MAY-16.

Barrett B., Raab C., Ali I., Green S., Cawkwell F. (2016): Grassland management and biomass retrieval in an intensive dairy farm in Ireland using a combination of RADARSAT-2 and TerraSAR-X data. [Poster presentation], esa Living Planet Symposium 2016, Prague Congress Centre, Prague, Czech Republic, 9-MAY-16 – 13-MAY-16.

Cawkwell F., Raab C., Barrett B., Green S. (2016): Towards a National Land cover Accounting and Monitoring System for Ireland. [Poster presentation], esa Living Planet Symposium 2016, Prague Congress Centre, Prague, Czech Republic, 9-MAY-16 – 13-MAY-16.

Raab C., Barrett B., Cawkwell F., Green S. (2015): Multi-annual MODIS time series for a simple non-seasonal land cover change analysis at national scale. [Oral presentation], 9th Irish Earth Observation Symposium, Ryan Institute at the National University of Ireland Galway, 20-OCT-15 - 21-OCT-15.

Raab C., Barrett B., Cawkwell F., Green S. (2015): Evaluation of multi-temporal and multi-sensor atmospheric correction strategies for land cover accounting and monitoring in Ireland. [Oral presentation], 35th EARSeL Symposium – European Remote Sensing: Progress, Challenges and Opportunities, KTH Royal Institute of Technology, Stockholm, Sweden, 15-JUN-15 – 18-JUN-15.

Raab C., Barrett B, Cawkwell F., Green S. (2015): Development of National Landcover Mapping System. [Oral presentation], TaLAM Workshop and stakeholder consultation, Teagasc School of Horticulture, Botanic Gardens, Dublin, 30-APR-15 – 30-APR-15.

Raab C. (2014): Land cover pattern in a sub-catchment of the Voi River, Kenya from remote sensing and field data – A comparison of pixel – and object-based classification methods. [Oral presentation], 8th Irish Earth Observation Symposium, Maynooth University, Maynooth, Co. Kildare, Ireland, 30-OCT-14 - 31-OCT-14.