STEM Connections
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STEM Connections
Science, technology, engineering and math in K-12
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Vultures, Environment, and Mapping Trash

"For generations we vultures, armed with our senses, have fought in silence. We’ve waged a battle against garbage, but now we’re losing that battle. We want to help humans, so we’ve launched a movement to help you detect piles of garbage so that you can take action to eliminate them. Join us in this fight. Vultures Warn, you take action!"


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Seth Dixon's curator insight, April 23, 2016 4:24 PM

This video is an introduction to a fascinating (Spanish language) website and project that uses GPS-tagged vultures to map out the urban trash hot-spots in Lima, Peru.  We look at vultures as the dregs of the food chain and ascribe moral filthiness to the species (just think of any number of movie, literary, and cultural references), but they are simply filling an ecological niche.  This mapping project is a way to use vultures nature in a way that allows for humanity to fix our trash production/disposal problems.    

 

Tagspollution, PerudevelopmentmappingGPSbiogeography, environment, environment modify, South America, land use, megacities, urban ecology, consumption.

 

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The Precision Agriculture Revolution

The Precision Agriculture Revolution | STEM Connections | Scoop.it

"Thousands of years ago, agriculture began as a highly site-specific activity. The first farmers were gardeners who nurtured individual plants, and they sought out the microclimates and patches of soil that favored those plants. But as farmers acquired scientific knowledge and mechanical expertise, they enlarged their plots, using standardized approaches—plowing the soil, spreading animal manure as fertilizer, rotating the crops from year to year—to boost crop yields. Over the years, they developed better methods of preparing the soil and protecting plants from insects and, eventually, machines to reduce the labor required. Starting in the nineteenth century, scientists invented chemical pesticides and used newly discovered genetic principles to select for more productive plants. Even though these methods maximized overall productivity, they led some areas within fields to underperform. Nonetheless, yields rose to once-unimaginable levels: for some crops, they increased tenfold from the nineteenth century to the present.  

Today, however, the trend toward ever more uniform practices is starting to reverse, thanks to what is known as 'precision agriculture.' Taking advantage of information technology, farmers can now collect precise data about their fields and use that knowledge to customize how they cultivate each square foot."

 

Tags: technology, food production, agriculture, agribusiness, spatial, GPS.


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Cade Johns's curator insight, December 2, 2015 9:57 AM

Agriculture has evolved very much over time to many different methods of growing things and theyve changed the way we affect the soil.-CJ

Samuel bennett's curator insight, January 10, 11:50 AM

In this article it talks about the development of agriculture  and how most of it started. This article relates to my world cultural geography class by telling how people used agriculture to provide for themselves and better there methods year after year. The use of technology and the pesticides they used to help there crops grow is similar  in our class to the was technology was developed and helped out a lot in the fields and in everyday life.

Alanna Thompson's curator insight, January 10, 1:17 PM

This is very interesting insight on how farmers use precision agriculture to customize how they cultivate each square foot of their fields. In my opinion precision agriculture is a good way for farmers to know exactly what they need to do to their field and what they should plant. It also is a way for them to make sure none of the areas within their field underperform. 

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Intro to Geospatial Technologies for K-12

"Trying to get middle and high school students interested in careers in science and technology? This video is the first in a series targeted at students to show the what's on the cutting edge..."

Geospatial technologies explained simply, showing the potential jobs in geography.


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Seth Dixon's comment, November 17, 2011 1:17 PM
GIS should NOT just be the private domain of professors and govt. employees...the applications are endless.
Sarah Ann Glesenkamp's curator insight, August 18, 2014 7:39 PM

Unit 1

 

Rich Schultz's curator insight, November 18, 2014 1:49 PM

Fantastic area to get into - currently has a worker shortage

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Five reasons why we should still read maps

Five reasons why we should still read maps | STEM Connections | Scoop.it
The Royal Institute of Navigation says reliance on sat-navs is undermining map-reading skills. So why should we still read maps?

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bernieshoot's curator insight, June 5, 2015 6:56 AM

#geography #education 

Catherine Lamarque-Manuel's curator insight, June 6, 2015 5:55 AM
Lire un carte est toujours le début d'une histoire...
Adilson Camacho's curator insight, June 6, 2015 12:44 PM

É isso aí!

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Shark Tracker

Shark Tracker | STEM Connections | Scoop.it

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Seth Dixon's curator insight, July 16, 2013 10:02 PM

This is a project sponsored by OCEARCH (Ocean Reseach) that helps to track the journeys of individual sharks to better understand their migratory patterns.  This data also helps to establish maps of the spatial extend of Shark habitat.  This is in essence another fantastic practical application of GPS technology.


Tags: biogeographymapping, GPS.

Al Picozzi's comment, July 16, 2013 11:51 PM
its just never safe to get back intot he water is it. guess Im just showing my age with that movie reference. Saw Jaws at the Route 44 Drive in the Rustic full the the metal speaker that hung on your window...so much fun