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#178306 - 07/10/13 04:58 PM Cattle, poo, and you
Rick_D Offline
member

Registered: 01/06/02
Posts: 2939
Loc: NorCal
U.C. Davis paper studied (okay, the paper didn't actually study) water quality in National Forest grazing allotments and found it to be mostly okie-dokie WRT water quality. I dunno, having just skimmed it, but decide for yourself.

Water Quality Conditions Associated with Cattle Grazing and Recreation on National Forest Lands
Quote:
Nutrient concentrations observed throughout the grazing-recreation season were at least one order of magnitude below levels of ecological concern, and were similar to U.S. Environmental Protection Agency (USEPA) estimates for background water quality conditions in the region. The relative percentage of FIB regulatory benchmark exceedances widely varied under individual regional and national water quality standards. Relative to USEPA’s national E. coli FIB benchmarks–the most contemporary and relevant standards for this study–over 90% of the 743 samples collected were below recommended criteria values. FIB concentrations were significantly greater when stream flow was low or stagnant, water was turbid, and when cattle were actively observed at sampling. Recreation sites had the lowest mean FIB, total nitrogen, and soluble-reactive phosphorus concentrations, and there were no significant differences in FIB and nutrient concentrations between key grazing areas and non-concentrated use areas. Our results suggest cattle grazing, recreation, and provisioning of clean water can be compatible goals across these national forest lands.


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#178320 - 07/11/13 08:40 AM Re: Cattle, poo, and you [Re: Rick_D]
immortal.ben Offline
member

Registered: 09/10/11
Posts: 91
Loc: Arizona
I say give it a couple of months and some other university will come out with a study which has the opposite determination. crazy
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#178333 - 07/11/13 02:04 PM Re: Cattle, poo, and you [Re: Rick_D]
billstephenson Offline
Moderator

Registered: 02/07/07
Posts: 3917
Loc: Ozark Mountains in SW Missouri
That doesn't surprise me at all, but I am glad to hear it, thrilled in fact.

This qualifies exactly what the cattle ranchers that introduced me to the backcountry in the Sierras taught me 40 years ago: "Alway look upstream to see if anything nasty is there. Don't drink from still ponds or pools of water, drink from running streams where the water is moving. If you do have to drink from a pool in a stream brush the top of the water first and then drink. Boil pond and lake water before you drink it"

I doubt much has changed in the numbers of cattle grazing on that land over the years. Those ranchers knew what they could put on that land and they were excellent stewards. They loved that land as much as anyone could and were experienced and proficient complainers when someone disturbed it.

At least I sure hope that hasn't changed...
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