Multi-year presence of humpback whales in the Atlantic sector of the Southern Ocean but not during El Niño
Multi-year presence of humpback whales in the Atlantic sector of the Southern Ocean but not during El Niño Elena Schall, Karolin Thomisch, Olaf Boebel, Gabriele Gerlach, Sari Mangia Woods, Ahmed El-Gabbas & Ilse Van Opzeeland Communications Biology volume 4, Article number: 790 (2021) Cite this article Abstract Humpback whales are thought to undertake annual migrations between their low latitude breeding grounds and high latitude feeding grounds.
Apr 15, 2021
Dynamic species distribution models in the marine realm: predicting year-round habitat suitability of baleen whales in the Southern Ocean
Dynamic species distribution models in the marine realm: predicting year-round habitat suitability of baleen whales in the Southern Ocean Species distribution models (SDMs) relate species information to environmental conditions to predict potential species distributions.
Apr 15, 2021
Spatial conservation prioritisation in data-poor countries: a quantitative sensitivity analysis using multiple taxa
Spatial conservation prioritisation in data-poor countries: a quantitative sensitivity analysis using multiple taxa Running title: User decisions affect conservation planning Authors: Ahmed El-Gabbas1*, Francis Gilbert2, Carsten F. Dormann1 1 Department of Biometry and Environmental System Analysis, University of Freiburg, D-79106 Freiburg, Germany 2 School of Life Sciences, University of Nottingham, Nottingham, United Kingdom * Corresponding author – E-Mail: elgabbas@outlook.
Jun 21, 2020
Wrong, but useful: regional species distribution models may not be improved by range-wide data under biased sampling
Wrong, but useful: regional species distribution models may not be improved by range-wide data under biased sampling Ahmed El-Gabbas Carsten F. Dormann https://doi.org/10.1002/ece3.3834 10.1002/ece3.3834 Species distribution modeling (SDM) is an essential method in ecology and conservation.
Jan 1, 2018
Improved species-occurrence predictions in data-poor regions: using large-scale data and bias correction with down-weighted Poisson regression and Maxent
El-Gabbas A. & Dormann C. F.: Improved species-occurrence predictions in data-poor regions: using large-scale data and bias correction with down-weighted Poisson regression and Maxent. Ecography DOI: 10.1111/ecog.03149. Appendix 1: Supplementary figures and tables Table A1: The estimated optimum combination of Maxent’s feature classes (FC) and Regularization Multiplier (RM) for each species and bias model type.
Jan 1, 2018
Distribution of the Egyptian reptiles under current and future climates
Supervisor:Prof. Francis Gilbert, School of Life Sciences, Nottingham University, Nottingham, UK. distribution of thE Egyptian rEptilEs undEr currEnt and futurE climatEs By: Ahmed El-Gabbas Supervisor: Dr. Francis Gilbert A thesis presented to the School of Biology, The University of Nottingham in partial fulllment of the requirements for the degree of Master by Research (Conservation Biology).
Jan 1, 2012
Mammals of Egypt: atlas, Red Data listing and conservation
My contribution: Mapping, species istribution models, translation, and Red Data assessments. I also helped in the analyses and editing.
Jan 1, 2010
Biodiversity economics: the value of pollination services to Egypt
Patrick Brading, Ahmed El-Gabbas, Samy Zalat & Francis Gilbert 2009 Biodiversity economics: the value of pollination services to Egypt Egyptian Journal of Biology, 11, 45-51 Abstrac: Pollinator populations are under severe pressure worldwide because of man-made intensification in land use, including the use of pesticides and fertilizers.
Jan 1, 2009
Butterflies of Egypt: atlas, Red Data listing and conservation
My contribution: Mapping, species distribution models, and Red Data assessments.
Jan 1, 2008