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Agate Desert
The Agate Desert is a prairie located near White City, Oregon, of which is protected as the Agate Desert Preserve. The area is not in fact a desert as its name suggests; it is so named because of the abundance of agate, petrified wood, jasper, and other minerals found there. Much of the World War II army training base of Camp White was built in the Agate Desert. The Nature Conservancy is working to preserve the Agate Desert as a native Rogue River Valley grassland A grassland is an area where the vegetation is dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur natur .... Ecosystem The area contains seasonal vernal pools that act as their own self-sufficient ecosystems. When the pools have dried up in the late spring, rings of wildflowers bloom in their place and the various plants and animals enter a period of dormancy until the next ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prairie
Prairies are ecosystems considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and a composition of grasses, herbs, and shrubs, rather than trees, as the dominant vegetation type. Temperate grassland regions include the Pampas of Argentina, Brazil and Uruguay, and the steppe of Ukraine, Russia and Kazakhstan. Lands typically referred to as "prairie" tend to be in North America. The term encompasses the area referred to as the Interior Lowlands of Canada, the United States, and Mexico, which includes all of the Great Plains as well as the wetter, hillier land to the east. In the U.S., the area is constituted by most or all of the states of North Dakota, South Dakota, Nebraska, Kansas, and Oklahoma, and sizable parts of the states of Montana, Wyoming, Colorado, New Mexico, Texas, Missouri, Iowa, Illinois, Indiana, Wisconsin, and western and southern Minnesota. The Palouse of Washington and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fairy Shrimp
Anostraca is one of the four orders of crustaceans in the class Branchiopoda; its members are referred to as fairy shrimp. They live in vernal pools and hypersaline lakes across the world, and they have even been found in deserts, ice-covered mountain lakes and Antarctic ice. They are usually long (exceptionally up to ). Most species have 20 body segments, bearing 11 pairs of leaf-like ''phyllopodia'' (swimming legs), and the body lacks a carapace. They swim "upside-down" and feed by filtering organic particles from the water or by scraping algae from surfaces. They are an important food for many birds and fish, and some are cultured and harvested for use as fish food. There are 300 species spread across 8 families. Description The body of a fairy shrimp is elongated and divided into segments. The whole animal is typically long, but one species, ''Branchinecta gigas'' does not reach sexual maturity until it reaches long, and can grow to long. The exoskeleton is thin and flexi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geography Of Jackson County, Oregon
Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and phenomena of Earth. The first recorded use of the word γεωγραφία was as a title of a book by Greek scholar Eratosthenes (276–194 BC). Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities—not merely where objects are, but also how they have changed and come to be. While geography is specific to Earth, many concepts can be applied more broadly to other celestial bodies in the field of planetary science. One such concept, the first law of geography, proposed by Waldo Tobler, is "everything is related to everything else, but near things are more related than distant things." Geography has been called "the world discipline" and "the bridge between the human and th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grasslands Of Oregon
A grassland is an area where the vegetation is dominated by grasses ( Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur naturally on all continents except Antarctica and are found in most ecoregions of the Earth. Furthermore, grasslands are one of the largest biomes on earth and dominate the landscape worldwide. There are different types of grasslands: natural grasslands, semi-natural grasslands, and agricultural grasslands. They cover 31–69% of the Earth's land area. Definitions Included among the variety of definitions for grasslands are: * "...any plant community, including harvested forages, in which grasses and/or legumes make up the dominant vegetation." * "...terrestrial ecosystems dominated by herbaceous and shrub vegetation, and maintained by fire, grazing, drought and/or freezing temperatures." (Pilot Assessment of Global Ecosystems, 2000) * "A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Controlled Burn
A controlled or prescribed burn, also known as hazard reduction burning, backfire, swailing, or a burn-off, is a fire set intentionally for purposes of forest management, farming, prairie restoration or greenhouse gas abatement. A controlled burn may also refer to the intentional burning of slash and fuels through burn piles. Fire is a natural part of both forest and grassland ecology and controlled fire can be a tool for foresters. Hazard reduction or controlled burning is conducted during the cooler months to reduce fuel buildup and decrease the likelihood of serious hotter fires. Controlled burning stimulates the germination of some desirable forest trees, and reveals soil mineral layers which increases seedling vitality, thus renewing the forest. Some cones, such as those of lodgepole pine and sequoia, are pyriscent, as well as many chaparral shrubs, meaning they require heat from fire to open cones to disperse seeds. In industrialized countries, controlled burni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dumontia Oregonensis
Dumontia may refer to: * ''Dumontia'' (alga), a genus of algae in the family Dumontiaceae * ''Dumontia'' (crustacean), a genus of crustaceans in the family Dumontiidae {{Genus disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Illinois River
The Illinois River ( mia, Inoka Siipiiwi) is a principal tributary of the Mississippi River and is approximately long. Located in the U.S. state of Illinois, it has a drainage basin of . The Illinois River begins at the confluence of the Des Plaines and Kankakee rivers in the Chicago metropolitan area, and it generally flows to the southwest across Illinois, until it empties into the Mississippi near Grafton, Illinois. Its drainage basin extends into southeastern Wisconsin, northwestern Indiana, and a very small area of southwestern Michigan in addition to central Illinois. Along it's shores are several ports, including Peoria, Illinois. The river was important among Native Americans and early French traders as the principal water route connecting the Great Lakes with the Mississippi. The French colonial settlements along these rivers formed the heart of the area known as the Illinois Country in the 17th and 18th centuries. After the construction of the Illinois ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lomatium Cookii
''Lomatium cookii'' is a rare species of flowering plant in the carrot family known by the common names Cook's lomatium and agate desertparsley. It is endemic to Oregon in the United States, where it grows in only two valleys. It is a federally listed endangered species. This plant was first collected in 1981USFWSDetermination of Endangered Status for ''Lomatium cookii'' and ''Limnanthes floccosa'' ssp. ''grandiflora'' from southern Oregon; Final Rule.''Federal Register'' November 7, 2002. during a survey for the rare '' Limnanthes floccosa'' ssp. ''grandiflora'', the big-flowered woolly meadowfoam.''Lomatium cookii''. Center for Plant Conservation. It was described as a new species in 1986.Kagan, J. S. 1986. A new species of ''Lomatium'' (Apiaceae) from southwestern Oregon. '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oregon Department Of Agriculture
The Oregon Department of Agriculture (ODA) is responsible for agriculture in Oregon. This agency of the government of the U.S. state of Oregon promotes and regulates food production and safety. It is headed by the director of agriculture, appointed by the governor of Oregon, subject to confirmation by the senate, advised by a board of ten members, and gubernatorial appointees. Through its nine divisions, it administers no fewer than 36 chapters of Oregon laws. Established as the State Department of Agriculture (SDA) in 1931 by an act of the Oregon Legislative Assembly which consolidated a patchwork of state programs and bureaus. Its legislatively adopted budget for the 2019–2021 biennium was $128.4 million. Organization The department is under the direction and supervision of a director of agriculture, who is appointed by the governor of Oregon. The director is assisted in managing the department by a deputy director and two assistant directors. State Board of Agricultu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limnanthes Floccosa
''Limnanthes floccosa'', or woolly meadowfoam, is a species of meadowfoam found in Northern California and Southern Oregon, in the United States. Most of the subspecies have highly restricted distributions and are listed as critical or endangered. Perhaps the most familiar subspecies of woolly meadowfoam is ''californica'', not because it is the one most often seen (it is very inconspicuous), but because this taxon has been the focus of a significant conflict. The subspecies is found only among a dozen or so populations in Butte County, California, and is legally protected as endangered. Conflict has arisen between those who would protect the few remaining populations and those who would rather use its critical habitat for economic activities. Certain subspecies of ''L. floccosa'' have been used to improve a meadowfoam cultivar derived from ''Limnanthes alba''. The crop is grown for its seed oil, which contains long chain fatty acids (greater than 20 carbons), has high oxidative ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vernal Pool
Vernal pools, also called vernal ponds or ephemeral pools, are seasonal pools of water that provide habitat for distinctive plants and animals. They are considered to be a distinctive type of wetland usually devoid of fish, and thus allow the safe development of natal amphibian and insect species unable to withstand competition or predation by fish. Certain tropical fish lineages (such as killifishes) have however adapted to this habitat specifically. Vernal pools are a type of wetland. They can be surrounded by many communities/species including deciduous forest, grassland, lodgepole pine forest, blue oak woodland, sagebrush steppe, succulent coastal scrub and prairie. These pools are characteristic of Mediterranean climates, but occur in many other ecosystems. Generation and annual development During most years, a vernal pool basin will experience inundation from rain/precipitation, followed by desiccation from evapotranspiration. These conditions are commonly associated with ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
White City, Oregon
White City is an unincorporated community and census-designated place (CDP) in Jackson County, Oregon, United States. The population was 7,975 at the 2010 census, up from 5,466 at the 2000 census. White City is about north of the center of Medford and south of Eagle Point. History Geography According to the United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy An economy is an area of th ..., the White City CDP has a total area of , all of it land. Climate This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above . According to the Köppen Climate Classification system, White City has a Mediterranean climate#Warm-summer Mediterranean climate, warm-summer Mediterranean climate, abbreviated "Csb" on climate maps. Demographics As of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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