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National Register of Historic Places listings in Mono County, California

From Wikipedia, the free encyclopedia

Location of Mono County in California
Location of Mono County in California

This is a list of the National Register of Historic Places listings in Mono County, California.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Mono County, California, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a Google map.[1]

There are 5 properties and districts listed on the National Register in the county, including 1 National Historic Landmark.

This National Park Service list is complete through NPS recent listings posted October 18, 2019.[2]
Map all coordinates using: OpenStreetMap 
Download coordinates as: KML · GPX

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  • ✪ Science Perspectives - Climate Change and the American Pika
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Transcription

Good morning, Iím Connie Millar and weíre here in Lundy Canyon. I work with the US Forest Service Pacific Southwest Research Station. Iím a research scientist there. We are here at a talus field, which is a long slope of rocks. Weíve come to this place because itís a good spot to see and to talk about American pika. American pikaís formal name is Ochotona princeps and itís a rabbit relative, a small animal thatís about the size of a large rat, but itís not a rat at all, itís a rabbit. And itís become something of an icon for climate change. Rabbits in general are poor thermoregulators, that is, they have a hard time dissipating heat when temperatures are high. So thereís been a concern that their habitat might becoming too warm for them and they would be moving up slope. So thatís part of the focus of my research is to investigate some of those relationships with American pika. All rabbits are non-hibernators, so they are active during the winter and that means they have to find forage. Their behavior for that is to collect, starting about this time of summer, forage from what we call the forefields. They donít come out very far from the talus field, maybe 10 or 12 feet, as far as we are here, to collect and they carry food back in piles and these piles are on the surface of the talus but kind of tucked under large rocks. Thereís a very distinct kind of rock that theyíll put the forage under. Theyíre generalist herbivores, which means they can use many, many different kinds of plants, even ones like sagebrush, which is around here, which you might think the alkaloids would not be particularly edible, but they seem to collect that. They collect a few species that do have powers of preserving. By the end of the season, some of the chemicals that are not edible to the pika have dissipated, so they are able to eat them by the end of season. So they collect these piles of food, we call them hay piles, but itís really much more general than that. Then they sit by those hay piles under the snow and munch on it all winter. If itís a longer winter, like this year, then perhaps they might not have collected enough, so we think this longer winter actually might have been detrimental to pika at some areas. Obviously, here at this low elevation it would be a benefit in a wet year, but at higher elevations, thereís still snow pack. They werenít able to bear their young, feed their young and then the population would decline because there just wasnít the reproductive capacity. My other work has focused on the potential for livestock grazing. If itís in the area of the forefield diminishes the amount of forage they have, and theyíre forced to take plants that grow in the talus, which are very few in number and they tend to have very low forage capacity. They have to go higher in the talus, which is a much poorer thermal environment. The best thermal environment for pika just happens to be at the base, so itís best if they can have their haypiles along the border of the talus at the bottom. That is also covered by snow in the winter, and if theyíre covered by snow, itís actually warmer. American pika has been petitioned for listing under California Endangered Species Act three times and dismissed partly because there isnít enough information. Some of the historic data really donít show enough information to know whether itís declining or still thriving. Initially, I set out, because I work in these rocky mountain environments for other research reasons, to characterize the current distribution of pika. One of the reasons itís good to be here, at this location, is that itís quite a low elevationóitís 7,700 feet and itís considered below the historic rangeó8,000 to 8,500 feet were the low margin. By virtue of looking at the distribution more, we can see that in fact, they can utilize these much lower elevation slopes than had been thought. In fact, if you can see, this is the morning sun, we are on a south facing slope, and the rocks behind us, which are the sole habitat for American pika, are dark, itís a metamorphic rock so they absorb heat, so itís thought to be as warm an environment as pika can tolerate. This is a very active site and itís one of many like this and I think by partly saturating the areas that would be potential habitat in this part of California, Iíve been able to show that this range is quite wide. Weíre in the Mono Basin here, which is just east of Yosemite National Park. The elevation range that the pika can extend goes from about this elevation, about 7,500, to the tops of our highest peaks, which are over 13,000 feet. They are basically saturating every available habitat in this part of California. We havenít had this kind of distribution status before. Their individual range is about 50 meters wide, so you can see this talus field can support maybe 10 or 15 individuals and the taluses are continuous, so this is a very densely populated area. So the other piece weíve been interested in, after characterizing their distribution, because there is such concern about climate, is to try to understand whether the surface air temperature, which is whatís reported by weather stations and what is modeled by climate projections, really is the kind of the environment they live in and would be a good indicator of their future viability. Weíve been doing studies of the thermal regime, that is the temperatures within these taluses. They come up onto the surfaces and down in the vegetation in the front to feed, but they mostly live inside the talus. These particular taluses are such that thereís a lot of open structure and they use that to hide from predators, the weasel is their main predator, and to avoid the heat of the day. Their nature is crepuscular, which means theyíre active in morning and night, like other rabbits are. They have this environment in the talus where they tend to spend their resting time in the middle of the day. This particular talus is one of eight sites where we have intensive monitoring by very small sensors called iButtons. We program them to record temperature every four hours and they last up to a year. We come back and download the data. We put them in transects from the bottom of the talus up the talus at four different lines, and then we have five plots in elevation up the talus, where we have an iButton on the surface and one meter under the surface. We are able to see what the temperature is, summer and winter, over the course of the year and we find that the temperatures, as you might expect, is cooler in the talus and temperature fluctuations are very small, so itís a very stable and cool environment, even though surface temperatures can be well over 40 celsius, which had been considered a lethal temperature for them. It seems as though pika are able to adapt to warm temperatures behaviorally. Even if they canít dissipate heat by sweating or panting, they are able to avoid the hot parts of the day by escaping into the talus. There may be some environments where even the taluses become too warm, but because of this buffering, the rise in air temperature does not seem to be a good indicator of how their habitat will respond. So they lag in response, may be theyíll be cool enough in many locations for a long time, but there will probably be some areas that become too hot, but I think the important point is that thereís a major lag because of this rock covering that hadnít been documented. Itís still quite controversial. Our work has focused mostly in this part of the Sierra, so maybe there are differences elsewhere. The Great Basin of Nevada, because it has such a different geological history and the substrate rock type is so different, could well be very different, so our results are really restricted to this area. What we need to do is continue to monitor and see if these locations that weíre seeing as active now continue to be occupied. Thatís has been one of the challenges of our work, where weíve said that in this part of the world that pika are thriving, is that we donít have historic data to show that they were here before and are still are here, or maybe there were other areas where they were and were not here. Ours is just a single time slice, so that clearly what we need is longitudinal, or decade long studies, to see whether theyíre able to persist here. My interpretation of the fact that theyíre currently saturating habitat over 6,000 feet of elevation range suggests they have a good stronghold, and even if some of the environments were to become inhospitable, thereís enormous range of habitat. So, if I were speaking about the future of pika in this part of the Sierra, I would say it looks very good.

Current listings

[3] Name on the Register[4] Image Date listed[5] Location City or town Description
1 Bodie Historic District October 15, 1966
(#66000213)
7 miles (11 km) south of Bridgeport on U.S. Route 395, then 12 miles (19 km) east on secondary road
38°12′56″N 119°00′41″W / 38.215433°N 119.011503°W / 38.215433; -119.011503 (Bodie Historic District)
Bridgeport
2 Chalfant Petroglyph Site November 21, 2000
(#00001324)
Address Restricted
Bishop
3 Dry Lakes Plateau November 21, 2002
(#02001394)
Address Restricted
Bodie Hills
4 Mono County Courthouse March 1, 1974
(#74000536)
Main Street
38°15′22″N 119°13′39″W / 38.256111°N 119.2275°W / 38.256111; -119.2275 (Mono County Courthouse)
Bridgeport
5 Yellow Jacket Petroglyphs April 6, 2000
(#00000321)
Address Restricted
Bishop

See also

References

  1. ^ The latitude and longitude information provided in this table was derived originally from the National Register Information System, which has been found to be fairly accurate for about 99% of listings. Some locations in this table may have been corrected to current GPS standards.
  2. ^ "National Register of Historic Places: Weekly List Actions". National Park Service, United States Department of the Interior. Retrieved on October 18, 2019.
  3. ^ Numbers represent an ordering by significant words. Various colorings, defined here, differentiate National Historic Landmarks and historic districts from other NRHP buildings, structures, sites or objects.
  4. ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
  5. ^ The eight-digit number below each date is the number assigned to each location in the National Register Information System database, which can be viewed by clicking the number.
This page was last edited on 17 October 2019, at 16:17
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