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Tag: ArcGIS JavaScript API

Mekong Infrastructure Tracker

Home to more than 300 million people and some of the most endangered wildlife on the planet, the Greater Mekong region in Southeast Asia is the second most naturally diverse place in the world, second only to the Amazon. This region is also home to the Mekong River which not only sustains much of the wildlife in the area, but also the people. The majority of the population in this region is dependent on the river and its surrounding wetlands to support their way of life. In turn this also means that this population and the vast biodiversity in the region are extremely vulnerable to the economic and environmental outcomes of growing infrastructure.

Mekong River

As one of the nation’s leading think tanks dedicated to building solutions to promote international security, prosperity, and justice, the Stimson Center is working to address the environmental and social impacts along the Mekong river to improve food security, stability and cross-country relations. To help analyze these issues, Blue Raster collaborated with the Stimson Center to create The Mekong Infrastructure Tracker, an interactive Web App to explore the infrastructure boom and its impacts in the Mekong region. With funding provided by USAID, the Mekong Infrastructure Tracker was developed with support from the USAID Mekong Safeguards activity led by The Asia Foundation.

Mekong Infrastructure Tracker

The Mekong Infrastructure Tracker

The Mekong Infrastructure Tracker web app leverages ArcGIS Online and the ESRI JavaScript API and provides users with data transparency to analyze the type and scale of different infrastructure projects in the region in relation to socioeconomic and environmental factors.

The tracker contains two dashboards, one showing power generation projects and the other showing road, rail, and waterway infrastructure projects. The data in the tracker visualizes projects by type in combination with data showing threatened species, earthquakes over the last twenty years, armed conflict, ethnicity, watersheds and tributaries that can all be turned on and off depending on user preference.

Additionally, users can filter the projects by a variety of statuses: year of completion, project size, sponsoring country, project type, country, or watershed.

Mekong Infrastructure Tracker filter

From these filters, the tracker produces a series of charts and graphs to better visualize some of the statistics surrounding these projects which can then be downloaded based on user needs.

The Mekong Infrastructure Tracker allows for transparency of the infrastructural impact on this region, both protecting the diverse and endangered wildlife as well as the livelihoods of millions of people. Explore this new tool today!

Tracking Grassland Loss in the Great Plains: WWF and Blue Raster Release Plowprint Web Application

Temperate grassland ecosystems, like the Great Plains of North America, are home to a wide variety of plants and animals and provide key ecosystem services, such as soil stabilization, carbon sequestration and water filtration. These lands are under increasing threat of loss due to the expansion of agriculture for food and fuel production and urban development. In the Great Plains, only half of all intact grassland remains, much of it on poor and marginal quality soils. Conversion of grassland to crops in areas of marginal soil is particularly hazardous to ecosystems due to the greater use of fertilizers required to make these lands productive and a higher risk of erosion.

To understand and address these issues faced in the Great Plains, Blue Raster is working with the World Wildlife Fund to bring the annual Plowprint Report online. Since 2016, the Plowprint Report analyzes grassland loss across the Great Plains. Published annually, the report provides a broad overview of trends within large study regions of particular conservation interest, such as the Missouri River Basin (MORB).

plowprint images
Since 2016, the Plowprint Report has published annual findings on grassland loss across the U.S. Great Plains.

“Being able to share the Plowprint Report as an interactive web map is an exciting opportunity to increase awareness about grassland loss across the Great Plains. The Great Plains covers such a large area that it is easy to become disconnected from the landscape beyond where one regularly interacts, and having maps like this with great visual displays at your finger tips allows us to easily see what is happening not just in your community, but across the county, state, region, and beyond.” – Patrick Lendrum, Science Lead at World Wildlife Fund

Plowprint Report Details

The report leverages the USDA’s Cropland Data Layer (CDL), the Canadian Annual Crop Inventory (ACI), the National Land Cover Database (NLCD), US Census TIGER 2019, and Canada Road Network 2018 data to identify areas of “Intact” (grassland) and “Plowprint” (grassland converted to cropland) land by composition and ownership.

These areas are visualized in the new interactive Plowprint web map application. To quantify grassland loss, users can select state or county boundaries, draw, or upload their own areas-of-interest (AOI) for on-the-fly analysis. The tool generates a report with a collection of charts that help the user understand their AOI’s grassland characteristics and trends.

Plowprint image
By leveraging the ArcGIS Image Server, the Plowprint app allows the user to run an on-the-fly analysis of grassland loss for their chosen area of interest (AOI). Outputs can be downloaded as a PDF or CSV. Above, the PDF document provides compelling visuals for understanding trends in the data.

The tool leverages ArcGIS Image Server to quickly analyze the user’s AOI to deliver a report of trends in land use conversion and composition. Users can select data going back to 2009, providing a detailed view of historical patterns. Once the analysis is run for the selected area, users have the option to download the results as a PDF document and CSV file.

With its ability to quantify grassland loss on-the-fly and generate powerful visuals along the way, this application will provide policy makers, companies, and landowners valuable decision making information about habitat conversion within areas under their control. With Great Plains comes great responsibility to monitor these vital ecosystems – Plowprint enables this action.


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