Google Maps Gallery: The “Map Search Engine”


Google Inc has launched its latest service – Google Maps Gallery. The Maps Gallery is an interactive digital atlas which allows us to search for maps that were essentially uploaded onto Google’s service by google and other organisations; National Geographic, World Bank Group, United States Geological Survey are some of the notable names in that list. The data is also set to be available on Google Earth.

It’s really an interesting development and though at this point, the Maps Gallery is not really a one-stop-search for Maps (more maps need to be added and so on), this service has the potential to develop into a “map search engine”; Just like the search engine for text and images that we take for granted today.

In the official Google Maps Blog, Jordan Breckinridge, Google Maps Product Manager has this to say about Google Maps Gallery:

If you’ve ever wondered which trails Lewis & Clark traveled for their famous expedition, or looked for maps of the best schools in your region, you may have found yourself scouring the web without much luck. The best results for your search may come from governments, nonprofits and businesses, but historically that information has been hard to find or inaccessible to the public. Well, now, with the new Google Maps Gallery, it’s easier for you to find maps like those all in one place.

Google Maps Gallery: Simply GEOAWESOME 🙂


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GIS on nature watch: First online Global Freshwater Biodiversity Atlas

Freshwaters are extremely diverse habitats. They cover less than 1% of the Earth’s surface but are home to about 35% of all vertebrate species. More than in any other ecosystem, life of freshwaters is threatened at an increasing rate particularly due to pressures from energy, food and sanitation sectors. As a result from human influence, freshwaters from today are often modified habitats and other than this are affected by the impacts of climate change. The protection of freshwater life and the ecosystem services is therefore a crucial challenge for policy particularly in regard to the existing pressures from human activity (agriculture, industry, space consumption, etc.).

As a response to the urgent topic, European scientists have come up with the idea to create an online information source on freshwater biodiversity including spatial information and species distribution patterns from global to local scale. The vision was to provide a comprehensive information source to scientists, stakeholders at the science-policy interface and the interested public so that they can put greater emphasis on the conservation and management of freshwater biodiversity both in their everyday lives as well as keep them within future development actions.

The Global Freshwater Biodiversity Atlas was launched last month by BioFresh, a projekt funded by the European Union under the 7th Framework Programme. It comprises a collection of published and open access freshwater biodiversity maps in addition to a gateway for geographical information and spatial data at different scales. The map section includes four thematic chapters to filter for specific information on

a.       Patterns of freshwater biodiversity

b.      Freshwater resources and ecosystems

c.       Pressures on freshwater systems and

d.      Conservation and management.

Numerous subtopics such as climate cange, land use change, pollution and eutrophication come up with the need to discuss actual problems and to deliver a whole information package about freshwater habitats.

Additionally, every map is accompanied by short articles with background information. It also provides links to publications and data sources related to freshwater biodiversity at the global, continental and local scale.

Similarly to crowd sourcing initiatives this project was  planned to rely on contributions from outside. Thus institutions, research institutes and every interested person, who is able to provide serious and updated information about freshwaters is invited to contribute material to the platform. BioFresh is putting together those pieces of information. It consists of a pan-European group of freshwater science and conservation experts from 12 research institutes and supported by key international organisations active in the field of freshwater biodiversity research and conservation, namely GEO Biodiversity Observation Network (GEO BON), the International Union for Conservation of Nature (IUCN), the Global Water System Project (GWSP), Conservation International (CI), Wetlands International, The Nature Conservancy (TNC) and the World Wildlife Fund (WWF).


The Global Freshwater Biodiversity Atlas was built using open source technologies:


  • OpenLayers
  • GeoExt2
  • Ext JS 4
  • Joomla
  • Joomla K2
  • GeoServer
  • PostGIS
  • PostgreSQL
  • QGIS
  • uDIG

 Still, many – actually most – chapters and subchapters are yet to be filled, which is going to happen in time. The profit from the information to be extracted will come when the map collection is more complete. I think the project could handle to span the importance of large and small scale information at the same time. On a regional, continental or global scale, the gathered information facilitates to get an overview of the situation of freshwater life, to compare the conditions of different regions and to establish areas of actions, where regulations should be strengthened. Successful freshwater protection finally has to be realized on a local scale. Politicians decide about laws and regulations and therefore have to balance the different interests – including the one of freshwaters. Hence it is important to have access to updated, local information, which the platform could be able to provide in future.

Endemicity of freshwater fish on a global scale. The map identifies Central Africa and South East Asia as the regions with most endemic species before South America.

Endemicity of freshwater fish on a global scale. The map identifies Central Africa and South East Asia before South America as the regions with most endemic species.

In the chapter 1.2. "Climate Change and freshwater biodiversity" you find this map that projects the expected extinctions of freshwater fish, here in Europe. In the "article" register you will find information on the map (data, methodology, etc).

Chapter 1.2. “Climate Change and freshwater biodiversity” provides a map that projects the expected extinctions of freshwater fish in %, here in Europe. In the “article” register you will find useful information on the map (data, methodology, etc).

Source: Connexion, Global Freshwater Biodiversity Atlas (BioFresh platform)


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