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Texas Bighorn Sheep

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March 28, 2013
2607   Comment
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Steven addresses concerns about Texas bighorn sheep in light of exotic and invasive species introductions within the bighorn’s native range.

• Bighorn sheep are what biologists call an “indicator species” – one whose presence, absence or abundance is reflective of a larger environmental trend.
• After years of declining numbers resulting from unregulated hunting and disease, Texas bighorns have rebounded to their pre-settlement population levels.
• Bighorns are threatened by the introduction of the exotic and invasive Aoudad sheep. Aoudad sheep compete with bighorns for habitat and risk transmitting viral and bacterial pathogens foreign to bighorn immune systems.
• The greatest limiting factor in bighorn recovery, however, is disease transmission from domestic sheep and goats.
• In order for Texas bighorn populations to remain robust, management practices must eliminate contact between bighorns and domestic sheep and goats and strictly manage Aoudad numbers.
Wild sheep populations in Texas may be recovering, but herds across the West continue to dwindle due to factors such as disease transmission and climate change

Season 1: Episode 6

Partners:

www.wildsheepfoundation.org

www.tpwd.state.tx.us

www.texasbighornsociety.org

 

presented by TRCP's Conservation Field Notes

Tagged under Read 2607 times Last modified on February 4, 2013
The TRCP
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Founded in 2002, the Theodore Roosevelt Conservation Partnership is a non-profit organization working to guarantee all Americans quality places to hunt and fish.

T.R.’S VISION
In 1912 Theodore Roosevelt said, “There can be no greater issue than that of conservation in this country.” While in the political arena, he succeeded in making conservation a top tier national issue. T.R. had the foresight to address these issues still so significant to sportsmen today, understanding that if we want to ensure critical habitat, special hunting grounds and secret fishing holes will be around for future generations, we must plan carefully today.

THE TRCP MISSION
In order to guarantee all Americans quality places to hunt and fish, we strengthen laws, policies and practices affecting fish and wildlife conservation by leading partnerships that influence decision makers.

TRCP / BASS PRO SHOPS JOIN FORCES
In early 2012, the TRCP joined forces with Bass Pro Shops and Steven Rinella of the hit TV show “MeatEater” to produce a video series highlighting conservation issues key to our fish, wildlife and hunting and angling traditions. Each episode of “TRCP’s Conservation Field Notes” follows Rinella to far-flung destinations where he talks about critical conservation issues related to the hunts and regions featured on “MeatEater.”

Contact TRCP: TRCP.org

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