Archive for the 'Research' Category

Endangered Ocelots, 2

Friday, June 12th, 2009

Passport to Texas from Texas Parks and Wildlife and the Wildlife Restoration Program

Texas is the only US state with suitable Ocelot habitat.

The habitat that ocelots use is extremely dense brush. The type of brush that not only can you not see through it, you can’t walk through it.

Dr. Michael Tewes (two-ES) researches wild cats with the Caesar Kleberg Wildlife Research Institute.

The main problem for ocelots now is, like many other endangered species, the lack of suitable habitat. There are less than 100 of them remaining in Texas and less than 1% of Texas has that very special habitat or cover type that they use. And since most of Texas is owned and managed by private landowners and ranchers, it is in their ability to protect the habitat that is vital to the recovery of ocelots.

Fewer ocelots mean less genetic diversity.

When the populations are as small as they are in Southern Texas, almost any kind of a wildlife population will start to decrease genetic diversity and tend to go towards extinction. We have been working on revising the recovery plan and, although it’s not finalized, translocation is suggested as a tool. The genetic diversity is much greater in Mexico than it is in Texas. And by bringing them into Texas it would help alleviate some of the problems that come with genetic erosion.

That’s our show… with research and writing help from Sarah Loden… and sponsored by the Wildlife Restoration program…working to restore critical habitat for endangered species like the ocelot.

For Texas Parks and Wildlife…I’m Cecilia Nasti.

Crawfish: Beyond Jambalaya

Thursday, December 11th, 2008

Passport to Texas from Texas Parks and Wildlife

Crawfish, crayfish, or crawdad to you…Procambarus clarki is actually just one of its kind.

If I say, “How many crawfish species from Texas can you name?” Most of the people only know one; and that’s the eating kind.

Despite its popularity at the boil, very little research on crawfish has existed…until now…Nathan Johnson is the enthusiast, activist, and coauthor behind a new field guide to Texas crawdads.

There’s about 40 species of crayfish in our state. Prairie Crawfish have never been described in literature outside of Collin County, TX. and wasn’t even discovered until, uh, the 90s when it was trapped in snake traps. They were doing a study of reptiles out in the prairie and these crawfish showed up, and they were like, “amazing!”

Raising awareness about the various species living in Texas, such as the Prairie Crawfish, and the unique niche they fill in our ecosystems; Johnson hopes that people will take more care to conserve them.

If you don’t know it exists, how do you know to be concerned? This book is a resource towards understanding crayfish, what habitats we might want to be concerned about, and which species we need to pay attention to because they’re so specialized or restricted in their range.

Learn more about Texas crawdads at passporttotexas.org

That’s our show…with research and writing help from Sarah Loden… For Texas Parks and Wildlife…I’m Cecilia Nasti.
_________________________________________________________

Texas Crawdads
http://www.texascrawdads.com

Coastal Fisheries Bay Team Tournament, 1 of 2

Wednesday, March 26th, 2008

Passport to Texas from Texas Parks and Wildlife and the Sport Fish and Wildlife Restoration Program

The Coastal Fisheries Bay Team Tournament is looking for a few good anglers.

We are getting together with the community, and we’re collecting fish for our hatchery program. So, these guys are out there catching fish, and they are vying for prizes.

Robert Adami coordinates the tournaments, which take On April 5, at Sea ranch Marina on South Padre Island, and on April 12, at the north boat ramp at Port Mansfield.

We do this so that we can continuously be bringing in new fish for our hatchery program. One of the reasons we do that is so that we can get some genetic diversity into our spawning biomass of fish that we have on hand. And we always want to mix up the genetics within our hatchery program.

Sixty people, on a first come first serve basis, will get to participate in the tournament to reel in spotted sea trout. I asked Adami why the hatchery wants only sea trout in spring.

One of the reasons is they have peak spawning in springtime. So, we want to try and collect as many new trout as we can and hopefully put them into the spawning biomass that we currently have—and they’re ready to get going.

You must be 21 or older to participate. Find a link to more information about the tournaments and prizes at passporttotexas.org.

That’s our show…with support from the Sport Fish and Wildlife Restoration program…supporting genetics research at Texas hatcheries…For Texas Parks and Wildlife…I’m Cecilia Nasti.

__________________________________________________

For more information, call Robert Adami, Robert Adami, (361) 939-8745

South Padre Island
April 5, 2008
Sea Ranch Marina

Port Mansfield

April 12, 2008
North Boat Ramp

Texas Mussel Watch

Tuesday, March 25th, 2008

Passport to Texas from Texas Parks and Wildlife and the Sport Fish and Wildlife Restoration Program

Most of us only know mussels—bivalve mollusks—from the grocery store seafood counter. What you may not know is Texas hosts more than fifty species of native freshwater mussels.

They can vary in shapes and sizes. Some of them are very small to, say, an inch or two. And some of them can be very large—nine or ten inches. And they can live anywhere from ten years to a hundred years, depending on the species.

Marsha May oversees the Texas Mussel Watch Program, a citizen science project that enlists people to monitor freshwater mussels, one of the most imperiled groups of organisms in the US.

They are very sensitive to changes in their environment, and many species of freshwater mussels can’t handle that change. We’re finding shells in those situations where the animals have died off.

Mussel Watch participants play a vital role in helping researchers understand these organisms. If you want to become a citizen scientist, you must attend a workshop.

We have a few workshops scheduled for the spring. One will be in Tyler, we’ll have another one in San Antonio, and we’ll have another one in Bastrop. And if folks are interested, they can go to our website to find out when these workshops occur.

Find links to Mussel Watch Workshops at passporttotexas.org.

That’s our show… For Texas Parks and Wildlife…I’m Cecilia Nasti.
______________________________________________________________

April 12, 2008 — Old Sabine Bottom WMA — Texas Mussel Watch Train the Trainer Workshop — This workshop is sponsored by the East Texas Master Naturalist Chapter. SBEC and TEEAC credit available for teachers. 10 a.m.-5 p.m.; fee $10, includes materials; preregistration required. To register and for more information, contact Irene Hamel at Irene.hamel@tpwd.state.tx.us or (903) 566-9394. (903) 566-1626.

Freshwater Mussels in Troubled Waters

Monday, March 24th, 2008

Passport to Texas from Texas Parks and Wildlife and the Wildlife Restoration program

It may interest you to learn that…

Freshwater musselsare the most imperiled group of organism in North America.

Marsha May oversees the Texas Mussel Watch Program for Texas Parks and Wildlife.

We have fifty-two, fifty-three species of freshwater mussels in Texas, and they live in our freshwater streams and lakes and ponds, and even in stock ponds and tanks. And they have
been in Texas for thousands and thousands of years. And they’re just amazing creatures. They clean the systems. They’re nature’s bio-filters, and a very important part of the ecosystem.

Texas Mussels Watch is an ongoing citizen science project that needs your help.

We want to get citizens involved in monitoring their populations throughout the state, because there’s been very little monitoring being done. And, they are a very important organism. To get involved a citizen would have to have to go through training, because you have to have a permit in order to even handle a shell of a freshwater mussel. So, we supply workshops where we train individuals on how to monitor them and how to be very careful with them. And, we really just want to know where they are, and how many there are out there.

Find links to Mussel Watch Workshops at passporttotexas.org.

That’s our show…we receive support from the Wildlife Restoration Program…For Texas Parks and Wildlife…I’m Cecilia Nasti.
______________________________________________________

April 12, 2008 — Old Sabine Bottom WMA — Texas Mussel Watch Train the Trainer Workshop — This workshop is sponsored by the East Texas Master Naturalist Chapter. SBEC and TEEAC credit available for teachers. 10 a.m.-5 p.m.; fee $10, includes materials; preregistration required. To register and for more information, contact Irene Hamel at Irene.hamel@tpwd.state.tx.us or (903) 566-9394. (903) 566-1626.