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Biogeographic Modelling Rainer Froese IfM. Overview A Vision and its Proponents Players and Tools Examples Data issues Researchable Questions Discussion.

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Presentation on theme: "Biogeographic Modelling Rainer Froese IfM. Overview A Vision and its Proponents Players and Tools Examples Data issues Researchable Questions Discussion."— Presentation transcript:

1 Biogeographic Modelling Rainer Froese IfM

2 Overview A Vision and its Proponents Players and Tools Examples Data issues Researchable Questions Discussion

3 A Vision and its Proponents Mapping (Aquatic) Life on Earth Modelling distributions from point data GBIF >>>> Census of Marine Life >>>> OBIS >>>> FishBase >>>>

4 Players and Tools Arthur Chapman and ERIN >>>> Dave Vieglais and Species Analyst >>>> David Stockwell and GARP >>>> Gregory Vorontsov and LifeMapper >>>> Ricardo Scachetti and DesktopGARP >>>> David Stockwell and WhyWhere >>>> Bod Buddemeier and LoiczView >>>> Phoebe Zhang & RF and OBIS >> >>>>

5 Examples LifeMapper: Astyanax mexicanus >> >>>> DesktopGARP: Pike and Nile tilapiaPikeNile tilapia LoiczView: Environmental clustering >>>> WhyWhere: Exocoetus volitans >>Exocoetus volitans>>

6 Data Issues Point data: Species, locality, date, source Species issues: identification, synonyms, life stage, size Locality issues: errors, no coordinates, too broad descriptors, depth missing Date issues: missing, or year only, time wanted Source issues: credit, reliabilty indicator Environmental data: few aquatic datasets

7 Researchable Questions Niche circumscription Prediction of occurrence: –native range (niche distribution, co- occurrence, seasonal distribution, H-Map) –invasive range (vectors, algal blooms,..) –global change scenarios (F-Map) Outlook –Abundance modelling >> >>>> –Reverse prediction

8 Discussion Is it not time for oceanographers to link up with marine biologists?


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