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Topic: Torrent salamander


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In the News (Wed 19 Jun 13)

  
  Torrent salamander - Wikipedia, the free encyclopedia
The torrent salamanders or Cascade salamanders are a family (Rhyacotritonidae) with only one genus (Rhyacotriton) of salamanders.
Originally the genus Rhyacotriton was placed in the family Ambystomatidae, later in the family Dicamptodontidae, and finally in 1992 it was placed into a family of its own.
The torrent salamanders are limited to the western USA, namely the states California, Oregon, and Washington.
en.wikipedia.org /wiki/Torrent_salamander   (115 words)

  
 Rhyacotriton olympicus
Torrent salamanders and Rough-skinned Newts have a similar color pattern, but differ in overall appearance with newts being stockier, having a thicker skin that is rough (in the terrestrial phase) and lacking costal grooves.
Torrent salamander larvae are the only stream-adapted (i.e., small gills and reduced tail fin) larval salamanders in Washington with a yellow to orange belly.
The color pattern and morphology of torrent salamander species are similar and variable; therefore, torrent salamander species are best identified by collection locality and how that relates to the documented ranges of each species.
www.dnr.wa.gov /nhp/refdesk/herp/html/4rhol.html   (735 words)

  
 Columbia torrent salamander
Although there are some differences in color pattern among species of torrent salamanders, it can be difficult to tell apart the different species; their geographic range is the best indicator of which species and individual represents.
The Columbia torrent salamander occurs in southwestern Washington and northern Oregon.
These salamanders live at the edges of clear, cold mountain streams; they can be abundant under gravel at stream edges and in the spray zones of waterfalls.
www.washington.edu /burkemuseum/collections/herpetology/rkezeri.htm   (294 words)

  
 Olympic torrent salamander
It is medium to dark brown and may have a few small light spots on the sides and small dark spots on the tail; it is bright yellow on the belly, usually with some dark spots.
The olympic torrent salamander occurs in the Olympic Mountains of Washington.
When severely disturbed, Olympic salamanders may roll over onto the back to flash the bright yellow belly at predators (as in picture below), apparently in an attempt to startle them so that they leave the salamander alone; this or a similar behavior occurs in several salamanders and frogs, and is called the unken reflex.
www.washington.edu /burkemuseum/collections/herpetology/rolympic.htm   (293 words)

  
 Rhyacotriton kezeri
Torrent salamanders and Rough-skinned Newts have a similar color patter, but differ in overall appearance with newts being stockier, having a thicker skin that is rough (in the terrestrial phase) and lacking costal grooves.
Columbia Torrent Salamanders inhabit relatively cold, permanent streams, seepages and waterfall splash zones, typically in areas with a thick canopy cover.
Hallock, L.A. and McAllister, K.R. Columbia Torrent Salamander.
www.dnr.wa.gov /nhp/refdesk/herp/html/4rhke.html   (792 words)

  
 [No title]
The southern torrent salamander's food is primarily aquatic and semiaquatic invertebrates (Bury and Martin 1967).
The petitioner claims that 90 percent of the range of the southern torrent salamander is on lands that are harvestable or have been harvested.
The southern torrent salamander will remain as a species of concern for which evidence of vulnerability exists, but for which substantial data are lacking to support a proposal to list as threatened or endangered.
www.eswr.com /f660a.txt   (5660 words)

  
 Rhyacotriton (Dunn, 1920) Torrent Salamanders
Rhyacotritonids are collectively referred to as Torrent Salamanders, and are found exclusively in the western United States, specifically northern California, Oregon, and Washington.
Torrent Salamanders are found in humid coniferous forests, and well-oxygenated, cold streams during breeding times.
Habitat correlates of the southern torrent salamander, Rhyacotriotn variegatus (Caudata: Rhyacotritonidae), in northwestern California.
livingunderworld.org /caudata/database/rhyacotritonidae/rhyacotriton   (2180 words)

  
 UWSP Russell Salamander Research
Russell’s research focused on torrent salamanders and other amphibians whose habitat is headwater streams of the Columbia River in the Northwestern U.S. The health of salamander populations is often an indicator of a watershed’s health, according to the researcher.
According to Russell, it is critical to better understand all the various factors for a healthy torrent salamander population and ecosystem as this particular salamander species is currently under consideration for listing under the Endangered Species Act in Washington State.
Columbia torrent salamanders are also a species of concern in Oregon.
www.uwsp.edu /news/pr/tmSalamanderResearch.htm   (422 words)

  
 Sensitive Amphibians and Riparian Reptiles
The adult southern torrent salamander and the adult tailed frog both breathe through their skin and, therefore, require cool, highly humid riparian zones for survival.
The southern torrent salamander begins to show signs of thermal stress at 17.2 degrees C (Welsh and Lind, 1996) and tailed frog eggs are destroyed at 18.5 degrees C (Brown, 1975), so streams that support these species must maintain a cold-water thermal regime similar to that required by coho salmon (Welsh et al., 2001).
The southern torrent salamander may be more tolerant of stream canopy removal in the redwood forests in the zone of marine influence (summer fog), based on its present distribution in altered landscapes (Diller and Wallace, 1994 as cited in Welsh et al., 2000).
www.krisweb.com /aqualife/amphib.htm   (1673 words)

  
 amcompcomm.html
The amphibian and reptile species addressed in the HCP are the tailed frog, southern torrent salamander, northern red-legged frog, foothill yellow-legged frog, and the northwestern pond turtle.
Unlike the tailed frog and the torrent salamander, which are always associated with seeps or streams (except for occasional overland movement by adult tailed frogs), the red-legged frog has a bi-phasic lifestyle.
They only overlap with the tailed frog and torrent salamander in Class II streams, but most often they are not found in the same locations with the tailed frog and torrent salamander because of the mutually exclusive habitat requirements.
www.humboldt1.com /~heyenga/amcompcomm.html   (2846 words)

  
 EPIC Files Suit To Protect Rare Salamander
The southern torrent salamander ranges from Tillamook County, Oregon to Mendocino County, California, living mostly in small streams that run through old-growth redwood and Douglas-fir forests.
Southern torrent salamander populations have declined dramatically due to rapid habitat loss caused by logging and other activities that degrade riparian areas, streambeds and water quality.
The FWS unlawfully took more than a year to review the information in the petition, finally determining that EPIC's petition presented substantial evidence to show that protection for the southern torrent salamander under the ESA may be warranted.
www.wildcalifornia.org /press_releases/2000/pr000118.html   (339 words)

  
 U-Haul SuperGraphics: Washington
Olympic torrent salamander (Rhyacotriton olympicus) - Like the other torrent salamanders (the Cascade, Columbia and southern torrent salamanders), the Olympic torrent salamander has a bright yellow belly.
Torrent salamanders need cold, clear water and are often found in the "splash zone", where a thin layer of water runs over or among rocks along waterfalls or creeks.
The pristine forest and river habitats of Olympic National Park provide the Olympic torrent salamander with its ideal habitat.
www.uhaul.com /supergraphics/rainforest/wildlife.html   (1904 words)

  
 Southern Torrent Salamander: EPIC v. U.S. Fish and Wildlife Service
Although the Fish and Wildlife Service was required to determine whether or not listing the Torrent Salamander was warranted within fifteen months after this petition was submitted, the agency failed for numerous years to do so.
The Southern Torrent Salamander depends on old growth Douglas fir and redwood forest ecosystems and is very sensitive to activities that degrade water quality and riparian areas.
Populations of Torrent Salamanders have declined dramatically due to logging and other land alterations, and listing of the salamander could extend watershed protections well beyond what is currently required.
www.wildcalifornia.org /pages/page-217   (891 words)

  
 Caudata - Salamanders
Petranka (1998, Salamanders of the United States and Canada, Smithsonian Institution Press) followed their taxonomy, treating mavortium and the other western taxa as subspecies of A. tigrinum.
Treated as a synonym of Plethodon glutinosus by Petranka (1998, Salamanders of the United States and Canada, Smithsonian Institution Press), but the recognition of species on the basis of biochemical evidence was defended by Highton (1998, Herpetologica 54: 254–278).
We follow Petranka (1998, Salamanders of the United States and Canada, Smithsonian Institution Press) in treating this form as a subspecies of Pseudotriton montanus until its taxonomic status is evaluated.
www.herplit.com /SSAR/circulars/HC29/salamanders.html   (3686 words)

  
 USGS Forest and Rangeland Ecosystem Science Center: Research Descriptions
Molecular genetic methods are being used to assess population differentiation for a number of salamanders listed as species of concern in the Northwest Forest Management Plan: the Oregon slender salamander, Larch Mountain salamander, southern torrent salamander, Cascade torrent salamander, Columbia torrent salamander, and Olympic torrent salamanders.
Our first objective is to determine if northern torrent salamander populations warrant separate status from the southern populations by comparing 16S rRNA and 12S rRNA secondary structures.
Wagner, R.S., Miller, M.P., Haig, S.M., 2006, Phylogeography and genetic identification of the newly-discovered populations of torrent salamanders (Rhyacotriton cascade and R.
fresc.usgs.gov /research/StudyDetail.asp?Study_ID=47   (327 words)

  
 USGS Forest and Rangeland Ecosystem Science Center: Weekly Highlights
This research is valuable for understanding the effects of nitrogen as a fertilizer and a pollutant in forests and other terrestrial ecosystems.
Two different salamander species, the Cascade torrent and southern torrent, look alike and live in similar habitats.
Torrent salamander populations were recently discovered both north and south of the river between two already known species sites.
fresc.usgs.gov /news/highlights.asp?HDate=03102006   (819 words)

  
 Rhyacotriton variegatus - Southern Torrent Salamander
A medium-sized salamander with a slim body, a short tail, and a small head with large protuberant eyes.
A Olive to brown dorsally with dark and light speckling.
Petranka, James W. Salamanders of the United States and Canada.
www.californiaherps.com /salamanders/pages/r.variegatus.html   (453 words)

  
 Southern Torrent Salamander Abundance vs Percent Canopy
The southern torrent salamander must have cool, shaded habitat.
As this graph shows, almost all the sites with this salamander present had canopy cover over the stream of at least 80%.
The juvenile torrent salamander resides in streams and becomes stressed at temperatures greater than 17.2 degrees C. When riparian canopy is removed through logging activity, water temperatures often rise above thresholds for this species.
www.krisweb.com /aqualife/canopysl.htm   (159 words)

  
 Wildlife - Environment - Green Diamond Resource Company
The Del Norte salamander (Plethodon elongatus) is a terrestrial salamander that is closely associated with talus (loose rock).
The southern torrent salamander (Rhyacotriton variegatus) is a small stream-breeding salamander that is found in the uppermost headwaters of streams and seeps.
Similar to the torrent salamander, tailed frogs require streams with cold water and clean gravel and cobble, and have the potential to be effected by timber harvesting activities.
www.greendiamond.com /environment/wildlife.asp   (1783 words)

  
 Amphibian Checklist and Identification Guide   (Site not responding. Last check: 2007-10-22)
To the uninitiated all frogs may look alike; ditto for salamanders (in the same manner that beginning birders are overwhelmed by the immense variety of small brown birds!).
Within Alberta there are 10 species of amphibians: two salamanders and eight frogs and toads.
The color and variety of salamanders and the calls of toads and frogs in spring and summer help make our outdoors a fun and lively place to be.
www.npwrc.usgs.gov /narcam/idguide   (3571 words)

  
 [No title]   (Site not responding. Last check: 2007-10-22)
A juvenile Dicamptodon in the process of metamorphosing was found in the water of lower East Fox Creek.
We speculated that it might be a rare terrestrial Cope's Giant Salamander.
One Aug 30 Sean and Mike returned to Fox Creek with Larry Jones to see if another one could be found and one was...
home.pacifier.com /~neawanna/amphib/amph_trip.html   (98 words)

  
 EPA: Federal Register: Endangered and Threatened Wildlife and Plants; 12-Month Finding for a Petition to List the ...
EPA: Federal Register: Endangered and Threatened Wildlife and Plants; 12-Month Finding for a Petition to List the Southern Torrent Salamander in California as Endangered or Threatened
Endangered and Threatened Wildlife and Plants; 12-Month Finding for a Petition to List the Southern Torrent Salamander in California as Endangered or Threatened
Southern torrent salamanders have also been found short distances from water after heavy rains (Nussbaum et al.
www.epa.gov /fedrgstr/EPA-SPECIES/2000/June/Day-06/e14084.htm   (5745 words)

  
 Olympic National Park   (Site not responding. Last check: 2007-10-22)
Cold mountain creeks of Olympic National Park are home to the Olympic torrent salamander.
Unique to the Olympic Peninsula, this amphibian thrives in clear, clean and cold streams.
Researchers throughout the world have long known that amphibians are vulnerable to slight environmental changes and are therefore essential ecological indicators.
www.nps.gov /olym/amphibian/rhyoly.htm   (84 words)

  
 Biol. 452 - Amphibian Taxonomy & Natural History Labs   (Site not responding. Last check: 2007-10-22)
224, 226, 234 and for useful illustrations of salamander and frog families.
You will be asked to identify the listed Washington species by their common names.
You will NOT be asked to identify larvae to species, but know how to ID a larval salamander vs. a tadpole and recognize the differences between "stream" adapted and "pond" adapted larvae.
courses.washington.edu /vertebra/451/labs/amphibian_labs.htm   (2769 words)

  
 Amphibia
California Giant Salamander California Slender Salamander Monterey Ensatina California Toad....
Aneides niger Myers and Maslin, 1948 - Wandering Salamander
Batrachoseps relictus Brame and Murray, 1968 - Relictual Slender Salamander
www.californiabiota.com /cabiota/amphibia.htm   (144 words)

  
 Checklist of Amphibian Species and Identification Guide
Santa Cruz Black Salamander - Aneides flavipunctatus niger
Spotted Dusky Salamander - Desmognathus conanti (formerly D.
Big Mouth Cave Salamander - Gyrinophilus palleucus necturoides
www.npwrc.usgs.gov /resource/herps/amphibid/caudata_f.htm   (94 words)

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