gis-l: Benthic mapping

[Jackson, Kimberly D.]

Good morning,



I wanted to share the attached scope of work from the FWC in St Pete. At last week's GIS Manger's Meeting, it was discussed briefly and some of you may be interested in the results. I am including an overview below, but please see the attachment for more details. Specific questions can be e-mailed to Kathleen, CC'd here.

Regards.  Kim



Objectives

The ultimate objective of this study is to expand current knowledge of in-stream habitat by creating benthic maps of all navigable river/stream waterways within 4- 5 HUC 8 sub-basins. There are three phases involved in the creation of substrate maps:

1. Collect sonar imagery during periods of high flow, when the streams are at bankfull width.

2. Process the sonar imagery. Raw imagery is imported into the GIS environment where it is georectified to reflect the shape and position of the stream channel. Errors in the automated rectification step will be manually corrected. The banks will be digitized. A minimum mapping unit will be established based on visual inspection of the sonar imagery. This step may require field visits. Areas of varying substrate will be manually identified and digitized via visual inspection.

3. Assess the accuracy of the maps. Random assessment points will be generated in a stratified random sampling scheme, and each point will be visited to verify the substrate type occurring at that point.


The habitat maps produced will provide valuable information that can be used to identify critical habitat for numerous SGCN (Monitoring and Adaptation Species monitoring goal - Acquire information necessary to conserve Species of Greatest Conservation Need (SGCN Habitat monitoring goal).

Kimberly Jackson
850.245.8296  (X- 58296)

From: OKeife, Kathleen [mailto:Kathleen.OKeife at MyFWC.com]
Subject: SOW for SWG 1264

Hi Everybody,

Good Meeting on Friday and thank you Chris for doing a great job hosting as usual.

Here is the SOW for the sonar project I told you about.  Looks like most of the Districts will benefit from this.

Kurt and Rory, please pass this along since I don't have email for Jay and Ric.

Kat



Kathleen OKeife
FL Fish and Wildlife Conservation Commission
Research Administrator / GIS Coordinator
Office:  727-502-4865
Cel:  727-510-7360
kathleen.okeife at myfwc.com<mailto:kathleen.okeife at myfwc.com>


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