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April 18, 2007



Hello there, I'm Jeremy's partner over at the Agricultural Biodiversity Weblog. First of all, congratulations on a marvellous resource. May I ask how you did the digitization of the maps? Was it just a matter of scanning them to an image file or did you enter the data into some kind of GIS? Because if you've got the data in shapefiles, say, it shouldn't be that difficult to animate them. Of course you could then also combine the pest/disease maps with other data, say on crop production or climate. And also mash them up with Google Earth.

David Smith

Hi there Luigi,

We scanned the maps as image files and converted these into pdfs (on the basis that the pdf is a de facto standard for documents). At the same time, we also constructed an abstract for CAB Abstracts. I've put an example at the bottom of this comment.

It's not GIS data but it is very rich metadata - a description of the contents of the map. And we are looking at what and how we could do things with that data now that the information does not reside just on the visual representation of the information.

Thanks for the Shapefile tip - I'll look into that a bit more.

CAB Abstracts entry for Odium neolycopersici:

Oidium neolycopersici

BA: 20073069788
TI: Oidium neolycopersici. [Distribution map].
AA: CABI Head Office, Wallingford, UK.
AU: (Corporate) CABI ;
SR: Distribution Maps of Plant Diseases
YR: 2007
SS: No.April
PP: Map 1000 (Edition 1)
AB: A new distribution map is provided for Oidium
neolycopersici L. Kiss. Fungi: Ascomycota: Erysiphales.
Hosts: tomato (Lycopersicon esculentum). Information is
given on the geographical distribution in Europe (Bulgaria, Czech
Republic, Denmark, France, Germany, Greece, Hungary, Italy
(mainland Italy), Netherlands, Poland, Spain, Switzerland, UK
(England)), Asia (Bhutan, China (Hong Kong), India (Jammu and
Kashmir, Karnataka, Uttar Pradesh), Japan, Malaysia, Nepal,
Taiwan, Thailand), Africa (Tanzania), North America (Canada
(Alberta, British Columbia, Ontario, Quebec), USA (California,
Connecticut, Florida, Maryland, New Jersey, New York)), Central
America and Caribbean (Guadeloupe, Jamaica), South America
(Argentina, Venezuela).
IT: Miscellaneous
LA: English
LP: Wallingford
SN: 0012-396X
CC: FF610; PP700; FF003;
DE: biogeography; fungal diseases; geographical distribution; IMI
descriptions; new geographic records; plant diseases; plant
pathogenic fungi; plant pathogens; tomatoes;
OD: Ascomycotina; Erysiphales; fungi; Lycopersicon esculentum; Oidium

GL: Alberta; Argentina; Bhutan; British Columbia; Bulgaria; California; Canada; China; Connecticut; Czech Republic; Denmark; England; Florida; France; Germany; Greece; Guadeloupe; Hong Kong; Hungary; India; Italy; Jamaica; Jammu and Kashmir; Japan; Karnataka; Malaysia; Maryland; Nepal; Netherlands; New Jersey; New York; Ontario; Poland; Quebec; Spain; Switzerland; Taiwan; Tanzania; Thailand; UK; USA; Uttar Pradesh; Venezuela

ID: Britain; CMI Descriptions; Formosa; Hyphomycetes; Kashmir; Mysore
; Oidium neolycopersici; phytopathogens; Tanganyika; United
Kingdom; United States of America;
BT: Deuteromycotina; Eumycota; fungi; eukaryotes; Oidium; Ascomycotina ; Lycopersicon; Solanaceae; Solanales; dicotyledons; angiosperms; Spermatophyta; plants; Balkans; Southern Europe; Europe;
Developed Countries; Central Europe; OECD Countries; Scandinavia; Northern Europe; European Union Countries; Western Europe;
Mediterranean Region; Benelux; EFTA; British Isles; Commonwealth
of Nations; Great Britain; UK; South Asia; Asia; Least Developed
Countries; Developing Countries; East Asia; Central Southern China ; China; India; South East Asia; Threshold Countries; ASEAN
Countries; East Africa; Africa South of Sahara; Africa; ACP
Countries; SADC Countries; Anglophone Africa; North America;
America; Canada; Pacific States of USA; Western States of USA; USA ; New England States of USA; Northeastern States of USA; South
Atlantic States of USA; Southern States of USA; Gulf States of USA ; Southeastern States of USA; Middle Atlantic States of USA;
Leeward Islands; Lesser Antilles; Caribbean; French West Indies;
islands; Greater Antilles; Caribbean Community; South America;
Latin America; Andean Group


Thanks, David. Well if you have images that should be even easier. I'm sure there is software out there that can animate jpgs or whatever. But in general I would think that the way to go is some kind of GIS solution, as that would give you the most flexibility.

Andy Jarvis

Hi there,
I'm also semi-linked to Luigi and Jeremy, and we're all pretty interested in this. I do a lot of work on Google Earth visualisation of this kind of data, and could certainly help. If the maps are scanned and in digital form, it might actually be quite easy to put into Google Earth. It depends a little on what the images look like. I'm happy to discuss - if you like email me and copy Luigi and we can see what opportunities are out there. Andy

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