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"Kirouac, David" <[log in to unmask]>
Thu, 5 Nov 2009 08:14:00 -0500
text/plain (2591 bytes) , text/html (11 kB)
The description for IWWH should have been:

This layer represents Inland Waterfowl / Wading bird Habitat (IWWH), a
Significant Wildlife Habitat defined under Maine's Natural Resources
Protection Act (NRPA;
http://www.maine.gov/dep/blwq/docstand/nrpapage.htm). IWWHs with a high
or moderate rating meet the Significant Wildlife Habitat definition and
are protected under NRPA. Low-rated IWWHs are NOT included in this layer
because they do not meet the definition and are not protected under
NRPA. Boundaries and attributes of polygons in organized townships were
updated in 2008 by MDIFW staff using recent (2001-2007), high-resolution
(<=1 m), color orthoimagery. For most polygons, multiple images from
different years and seasons were used. Polygons in unorganized townships
were mapped by MDIFW regional staff in the 1990s from lower-resolution
orthoimagery, various wetland data sets, and field visits or via an
automated process developed by Heather Rustigian and William Krohn (USGS
Biological Resources Division) using statewide digital NWI (National
Wetlands Inventory) data, aerial imagery, and hydrology data. Each IWWH
boundary includes a 250-foot upland zone around the wetland perimeter.
Upland zones were edited to exclude areas of intensive development,
slivers crossing major roads into non-wetland habitat, and shorelines
>250 ft from a vegetated, non-forested wetland on a Great Pond.

 

 

 

David Kirouac

Maine Office of GIS

Office of Information Technology

207-624-9404

http://megis.maine.gov

 

________________________________

From: Kirouac, David 
Sent: Wednesday, November 04, 2009 8:51 AM
To: ([log in to unmask])
Subject: Maine Office of GIS Updates, 11/4/09

 

IWWH has been UPDATED in the MEGIS internet Data Catalog,
http://megis.maine.gov/catalog <http://megis.maine.gov/catalog> .  This
layer contains wetland "footprints" (i.e., the merged perimeter of the
component wetlands) used to map and rate Inland Waterfowl / Wading bird
Habitats (IWWH).  Please refer to the metadata for additional
information.

 

 

 

David Kirouac

Maine Office of GIS

Office of Information Technology

207-624-9404

http://megis.maine.gov

 

 


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