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GENERAL38307
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Last modified
8/24/2016 7:58:07 PM
Creation date
11/23/2007 9:36:23 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981013
IBM Index Class Name
General Documents
Doc Date
6/16/2000
Doc Name
PHASE II VEGETATION SAMPLING PROTOCOL
Permit Index Doc Type
VEGETATION
Media Type
D
Archive
No
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Kent Gorham <br />June 15, 2000 <br />Page 2 <br />release. Release of $676,874 was granted on December 11, 1997. This release reduced the <br />remaining bond amount to $477,085. A second Phase I bond release request was submitted by Basin <br />on May 8, 1998. CDMG granted release of $111,490 on October 16, 1998, reducing the amount of <br />bond liability to $365,595. <br />Methods to measure vegetative ground cover, herbaceous production, and species diversity are <br />discussed in the following sections, and are approved in the Permit Document. <br />Random Sample Locations <br />Vegetative cover and herbaceous production will be sampled using 25-meter transects that are <br />randomly located and oriented. Sample locations for the 25-meter transects were generated using <br />a grid system overlain on maps of the reclaimed aeeas. Random numbers were generated utilizing <br />the Corel Quattro Pro Version 8 random number generator. The resultant random numbers table <br />determined the coordinates for transect origin and compass bearing. Transect locations for the <br />reclaimed rangeland and irrigated pastureland areas were numbered and are presented on Figure 1. <br />Sampling in the Grassland and AVF Reference areas will proceed by implementing a stratified <br />random sample design. A measuring tape will be placed along the length-wise edge of each <br />reference area. The sample transects will be run perpendicular to the baseline tape with randomly <br />selected points of origin along that baseline tape. Due to the relatively small size of the reference <br />aeeas, this methodology is being implemented to ensure that double-sampling resulting from <br />overlapping transects does not occur. Sample locations will be determined in the field by pacing <br />from recognizable landmarks. <br />Vegetative Grouud Cover <br />Vegetative ground cover will be evaluated on the reclaimed rangeland and the Grassland Reference <br />Area by utilizing 25-meter point intercept transects. Two sampling points (one meter apart) on both <br />sides ofthe transect will be sampled atone meter intervals, resulting in 50 sample points per transect. <br />Each corresponding sample point is determined by projection of the ocular sight (Cover-Point <br />Optical Point Projection Device, Model 2) vertically downward and physically recording all manner <br />of"first hits". The "first hits" will be recorded as rock, bare ground, litter, or live vegetation. Live <br />vegetation will be further classified to genus and species. Vegetative ground cover on the reclaimed <br />rangeland area will be considered successful if the sample mean is at least 90 percent of the cover <br />sample mean measured on the Grassland Reference Area. <br />The live vegetative "first hits" will be used to calculate total vegetative cover for each transect <br />according to Equation 1. <br />
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