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- John_tarplant_2010_GPS_GeoXT_20100610_pl
John_tarplant_2010_GPS_GeoXT_20100610_pl
Sep 16, 2013
Uploaded by
John Martin
- Description:
- On 10 June 2010, I used a Trimble Geo Explorer to map patches of Otay tarplant on the Mother Miguel grassland. I walked throughout the site, and when I encountered a patch of tarplant I recorded a polygon depicting its perimeter. I considered tarplants more than 2 m apart to be in separate patches, and patches to consist of at least one individual tarplant every 1 m2.
- Data Provided By:
- John Martin, biologist, San Diego National Wildlife Refuge
- Content date:
- Layer was mapped in the field on 10 June 2010, and represents Otay tarplant that grew in roughly March-August 2010.
- Contact Organization:
- San Diego National Wildlife Refuge
- Contact Person(s):
- not specified
- Use Constraints:
This work is licensed under a Creative Commons Attribution 3.0 License.
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About the Uploader
John Martin
with U.S. Fish and Wildlife Service
Wildlife Biologist, San Diego National Wildlife Refuge
