1 edition of LANDSAT study of ephemeral and perennial rangeland vegetation and soils found in the catalog.
LANDSAT study of ephemeral and perennial rangeland vegetation and soils
by U.S. Dept. of the Interior, Bureau of Land Management in [Denver]
Written in English
|Statement||R. Gordon Bentley, Jr. ... [et al.].|
|Contributions||Bentley, Russell Gordon.|
|LC Classifications||SF85.6.R45 L35|
|The Physical Object|
|Pagination||xii, 234 p. :|
|Number of Pages||234|
|LC Control Number||78601684|
Normally these plants form a basal clust er of leaves the first year and send up a seed stal k the second year. Perennial plants live from one year to the next, production leaves and stem s for more than two years from the sam e crown. Most range plants are pere nnial. Origin The “origin” of a range plant is the area where it evolved. 1 day ago Factors influencing streambank erosion at the field/reach scale include both watershed and riparian land-uses, stream hydrology and channel morphology at the catchment scale. This study assesses the relationship of riparian land-uses, stream morphologic characteristics and catchment scale variables to streambank erosion within grazed riparian pastures in the Southern Iowa Drift Plain. .
Perennial grass standing crop in channels did not respond to grazing but decreased up to 73% with decreases in frequency and amount of precipitation. In floodplains, perennial grasses were not responsive to grazing; annual grasses were twice as abundant in grazed pastures. Vegetation standing crop in uplands was not influenced by grazing. Total perennial and ephemeral plant cover was best predicted within land systems, while combined vegetation, plant litter and soil cryptogam crust cover was best predicted at landscape scale. These results provide a strong foundation for use of vegetation indices as an adjunct to ﬁeld methods for assessing Vegetation indices compared in.
Prescribed fire is used to reduce woody plant and cactus cover and restore degraded rangelands in the southern Great Plains, but little is known regarding the impact of summer fires. We evaluated the effects of summer fires applied as patch burns in continuously grazed rangeland in north Texas. Vegetation and soil responses were measured on patches burned within grazing units in the summers of. arroyos, playas, desert washes, ephemeral and perennial streams, and riparian vegetation communities . Vegetation cover in the valleys is dominated by low shrubs, primarily creosote bush (Larrea tridentata) and white bursage (Ambrosia dumosa) . Methods Landsat image processing Landsat images acquired from United States Geological Survey.
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Get this from a library. A LANDSAT study of ephemeral and perennial rangeland vegetation and soils. [R Gordon Bentley;]. A LANDSAT study of ephemeral and perennial rangeland vegetation and soils.
Bentley, R Gordon. United States. Bureau of Land Management. United States. Bureau of Land Management. Denver Service Center. Type.
Book Material. Published material. Publication info. Get this from a library. A LANDSAT study of ephemeral and perennial rangeland vegetation and soils. [R Gordon Bentley; United States.
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Pages; Table of Contents Cited by: 9. A LANDSAT study of ephemeral and perennial rangeland vegetation and soils. By R Gordon. Bentley, United States. Denver Service Center. Topics: Landsat satellites, Plant communities, Vegetation mapping.
Publisher: Denver, Cited by: 9. The author has identified the following significant results. Several methods of computer processing were applied to LANDSAT data for mapping vegetation characteristics of perennial rangeland in Montana and ephemeral rangeland in Arizona.
The choice of optimal processing technique was dependent on prescribed mapping and site condition. Our study area includes Wyoming rangelands, and portions of Montana, South Dakota, Nebraska, Colorado, and Utah, mapped by Rigge et al.
(a), totalingkm 2 ().Study area average precipitation ranges from to mm, with a mean of (Thornton et al., ), and elevation ranges from to are relatively rare in the region, with only % of the study. PDF | This paper describes the capability of remote sensing in the monitoring of rangeland vegetation productivities and dynamics in the foothill areas | Find, read and cite all the research.
Based on these results, it would appear that semi-arid perennial grasslands can pose problems for remote sensing analysis due to their erectophile structure, the likelihood of significant accumulation of senescent biomass, and dominance of soil background in sparsely vegetated areas.
Plants that do not re-sprout after disturbance (e.g., fire, herbicide, or mechanical removal) lack this ability, which so dramatically affects successional stages in the ecosys tem Ephemeral. Key words: Classiﬁcation, Discrimination, Landsat imagery, Rangeland, Vegetation mapping Abstract This study demonstrates a vegetation mapping methodology that relates the reﬂectance information contained in multispectral imagery to traditionally accepted ecological classiﬁcations.
Key elements of the approach used are (a) the use of. REMOTE SENSING OF ENVIRONMENT () Temporal Change of Landsat MSS Albedo Estimates in Arid Rangeland H. BRAD MUSICK Earth Resources Laboratory, NASA~National Space Technology Laboratories, NSTL, Mississippi Temporal variation in earth-atmosphere system reflectance in the ]xm waveband was determined from Landsat MSS data for an area of arid rangeland.
Total perennial and ephemeral plant cover was best predicted within land systems, while combined vegetation, plant litter and soil cryptogam crust cover was best predicted at landscape scale.
These results provide a strong foundation for use of vegetation indices as an adjunct to field methods for assessing vegetation cover in southern Australia. Definitions of Annual, Biennial, Perennial, and Ephemeral Annuals Annuals are plants that go through their entire life cycle in one growing season.
Hardy annuals are plants that go through their entire life cycle in one season and that can be sown outside in the open garden in spring where it is to flower, for example, Centaurea cyanus. study area in survey plots of metres in size (figure1). Plots were selected by means of a dual-density, randomized, and tessellation-stratified design with details described in (Hope et al., Grimm and Redman ).
In each sampling plot all perennial plants were identified to genus, their locations recorded. K.,A Landsat study of ephemeral and perennial rangeland vegetation and soil: Bureau of Land Management, Denver, Colorado, Final Report Type III, March - Decemberp.
which estimates perennial woody FPC from NDVI and TM5. Tree basal areas are then calculated for mature woody vegetation stands. The imagery alone is used to delineate woody vegetation, while multi-temporal data is used to estimate woody vegetation cover and tree basal area in m2ha-1 for the woody areas.
of Land Management on perennial and ephemeral rangeland vegetation types and some LANDSAT MSS capability to separate soil types and to detect surface deposits Figure 8 shows the relationship of R7,5 measurements of rangeland vegetation and soils.
Note that most of the useful dynamic range of R7,5 is the result of. An ephemeral plant is one marked by short life cycles. The word ephemeral means transitory or quickly fading. In regard to plants, it refers to several distinct growth first, spring ephemeral, refers to perennial plants that emerge quickly in the spring and die back to their underground parts after a short growth and reproduction phase.
Matthew Rigge, Alexander Smart, Bruce Wylie, and Kendall Vande Kamp "Detecting the Influence of Best Management Practices on Vegetation Near Ephemeral Streams With Landsat Data," Rangeland Ecology and Management 67(1),(1 January ).
CiteScore: ℹ CiteScore: CiteScore measures the average citations received per peer-reviewed document published in this title. CiteScore values are based on citation counts in a range of four years (e.g.
) to peer-reviewed documents (articles, reviews, conference papers, data papers and book chapters) published in the same four calendar years, divided by the number of.Various best management practices (BMPs) have been implemented on rangelands with the goals of controlling nonpoint source pollution, reducing the impact of livestock in ecologically important riparian areas, and improving grazing distribution.
Providing off-stream water sources to livestock in pastures, cross-fencing, and rotational grazing are common rangeland BMPs that have demonstrated.Case studies are presented that range in geographic location (Colorado, Oregon, and Nevada), restoration practice (Zeedyk structures, beaver dam analogs, and grazing management), and time since implementation.
Restoration practices resulted in increased vegetation productivity of up to 25% and increased annual persistence of productive vegetation.