The User Map is available to registered users, thus it requires an iMapInvasives account. In addition to species distributions by county or watershed, the user map will allow users to view specific point observations, and depending on your user level, location specific assessment, survey and treatment polygons (see User Levels section for explanation).
When viewing species observation records, please note that these represent data that have been submitted to iMapInvasives. Absence of data does not always indicate absence of the species.
To view the user map once you are logged in, select “View the Map” from the iMap home page.
Along the top of the map page there are four links that can be followed to find additional information: Instructions, Generate Reports, Report Invasive/Data Entry, and Links.
Instructions: Takes you to a page with detailed instructions describing how to navigate the map.
Generate Reports: Allows the User to generate basic reports that will describe the types of species found within a specified geography. See Custom Observation Query section for further instructions on how to build a query to generate a report.
Report Invasive (Level 1) or Data Entry (Level 2+): Depending on your user level, this link will either take you to a form that can be filled in with information about an observation and submitted to your iMap Data Administrator, or it will direct you to the data entry screen (see Creating an Observation).
Links: Contains a list of state/province specific links for additional resources regarding invasive species.
Zoom to an area on the map
There are several different ways to zoom to a specific area on the map, these include
A. Use the scroll bar on the top left corner of the map to zoom in and out.
B. Hold Shift while using your left mouse button to drag a box around the area that you want to zoom to.
C. Enter a location description, address, or coordinates in the Search by Location bar at the top on the map.
D. Use the Zoom to County drop-down menu in the left panel to select a county or coordinate to zoom to.
iMapInvasives uses Google, Bing and OpenStreet maps for the map interface. By selecting the basemap in the Layers box in the left panel of the map, you can change the background image of your map between satellite imagery, street maps, and terrain maps, for example.
Map Overlay Layers
In the Map Overlay Layers box located in the left panel of the map, a set of state/province specific layers are available for reference when navigating the map. These layers can be toggled on and off by selecting or deselecting the checkbox next to the layer name. They can be moved higher or lower in the map view by selecting the up arrow or the down arrow . They can also be made more or less transparent by selecting the transparency icon and adjusting the percentage (higher percentage equals less transparent and lower percentage equals more transparent).
If you would like more information about each of the layers on your map, contact your Data Administrator.
Print a map
Once you have your map set to the desired view (appropriate zoom, species distributions, basemap and overlays) a map can be printed by selecting the print button.
This takes you to a Print View where you can add a title and description to your map and review it before it is printed.
View Species Distributions
Use the Invasive Species box located on the left panel of the map to select which species distribution to display on the map. Level 1 users will only see Featured Species in the drop-down menus, while Level 2+ users will see all species tracked by iMapInvasives.
Viewing Point Specific Observation Records (Level 1+)
View all observations
On the left panel of the map go to the Overlays box. Check the box next to “Combined:” to view all partner-submitted data, USGS NAS (Non-indigenous Aquatic Species) records, and confirmed observation records. To view records that are mapped to approximate locations (e.g., a town, park, section); check the box next to “Approximate” to view this data.
Once you have selected the combined view, all observation records will appear on the map, represented by red circles. The records are “clustered” meaning multiple records are represented by one circle in order to simplify the map. The number of records represented by one cluster will be displayed on the center of the circle. As you start to zoom in, these clusters will break up and the location of each record will become more specific.
Example of observation clusters breaking into smaller groups as you zoom in on the map.
View a Single Record
If you know the ID # of the specific record that you want to view on the map, you can display it in one of two ways:
The first way is to type the observation ID in the “Search by Species, Location, or ID#” bar at the top of the map.
The second way is by using the “By ID” box located in the left panel of the map. Select the ID Type by indicating what type of record you wish to view (e.g., observation, assessment, survey, treatment) and type the ID # in the ID box. Select “Show” to display the record and select “Zoom” to zoom to the record.
View a subset of all observations
If you want to see all observation records for one specific species, you can also use the search bar by typing in the species name and then clicking the Magnifying Glass icon.
By building a query, you can view records that only meet certain criteria as defined in the query builder. By selecting “Configure Query” from the “Locations” section of the “Invasive Species” box in the left panel of the map, you can define which observations to view on the map. See Custom Observation Query section for instructions on building your query.
View Details of a Record
The points or polygons on the map show the locations of each record, but each record can be selected and opened to view the specific details and recorded data.
Click the point or polygon on the map that you want to view. A details box will open giving all of the basic information about that record. Note: if you have selected overlapping records, all records will be listed in the details box.
Click the record ID # button (e.g., AZ-79165) and you will open the record details page. Here you can see all information documented in that record such as collection information, how the observation was made, access and directions, and comments.
Using the Lasso Tool to Identify Multiple Records
You can draw a polygon around the records you would like to identify by using the lasso tool.