2 edition of Ecophysiological studies of three species from the Colorado shortgrass steppe found in the catalog.
Ecophysiological studies of three species from the Colorado shortgrass steppe
Russell Keith Monson
Written in English
|Statement||by Russell Keith Monson.|
|The Physical Object|
|Pagination||xii, 183 leaves, bound :|
|Number of Pages||183|
Abstract. Plant functional traits provide one tool for predicting the effects of grazing on different ecosystems. To test this approach, we compared plant traits and grazing response across analogous climatic gradients in sagebrush steppe, USA (SGBR), known to have a short evolutionary history of grazing, and Patagonian steppe, Argentina (PAT), where generalist herbivores exerted stronger. Photosynthetic gas exchange and water relations responses of three tallgrass prairie species to elevated carbon dioxide and moderate drought. International Journal of Plant Science, Ham, J.M. and A.K. Knapp.
Further, three species, P. spicata, A. thurberianum and P. secunda, appear to be especially important determinants of such resistance. P. spicata and A. thurberianum are dominant deep‐rooted bunchgrasses with most active growth in later spring, whereas P. secunda is a shallow‐rooted bunchgrass that is active in late winter and early by: The steppe species of gastrointestinal nematodes of small ruminants, with a focus on Marshallagia: climate as a key determinant Les espèces de nématodes gastro-intestinaux des petits ruminants de la steppe, avec une attention particulière pour Marshallagia: le climat comme déterminant essentielCited by:
Colorado, located on the shortgrass steppe northeast of Fort Collins on the Central Plains Experimental Range, a research station administered by USDA Agricultural Research Service (Fig. 2). George Van Dyne's grasp of ecosystem science led him to produce and edit a book entitled, The Ecosystem Concept in Natural Resource Management. Ecophysiological traits of Prosopis juliflora (Sw.) DC. and a phylogenetically and ecologically similar native species, Anadenanthera colubrina (Vell.) Brenan, were studied to understand the invasive species’ success in caatinga, a seasonally dry tropical forest ecosystem of Cited by:
Information and perception in limited strategic conflict--some U.S. and Soviet differences
Survival of the fritters
Advances in imaging and electron physics
On the death of John Wagstaffe.
Cheynes of Northamptonshire and Buckinghamshire (Family B).
Poverty, social policies and the Reconstruction and Development Programme
Literature of the Duchy, an Invaluable Collection
Starting out with programming logic & design
SECRETS OF THE CHINESE HERBALISTS
Recent Indian philosophy
National academy of design.
Ecology of the Shortgrass Steppe: A Long-Term Perspective summarizes and synthesizes more than sixty years of research that has been conducted throughout the shortgrass region in North America.
The shortgrass steppe was an important focus of the International Biological Program's Grassland Biome project, which ran from the late s until the mids. Several aspects of photosynthetic adaptation to temperature were examined in four graminoid species from the Colorado shortgrass steppe.
The experimental species were chosen to provide examples of a variety of in situ seasonal phenology patterns. The cool season grass, Agropyron smithii (C3), exhibited higher photosynthesis rates when grown in a cool temperature regime Cited by: Ecology of the Shortgrass Steppe: A Long-Term Perspective summarizes and synthesizes more than sixty years of research that has been conducted throughout the shortgrass region in North America.
The shortgrass steppe was an important focus of the International Biological Program's Grassland Biome project, which ran from the late s until the by: Carbon exchange and species composition of grazed pastures and exclosures in the shortgrass steppe of Colorado Daniel R.
LeCaina,∗, Jack A. Morgana, Gerald E. Schumanb, Jean D. Reedera, Richard H. Hartb a United States Department of Agriculture-Agricultural Research Service, Crops Research Laboratory, Center Ave., Fort Collins, COUSA. During the past year, the SGS- LTER Project produced 25 papers in refereed journals, five book chapters, three dissertations, and 28 abstracts from national and international meetings.
Twenty-three additional papers have been accepted by refereed journals, 20 for book chapters and three as technical reports.
Ecology of the Shortgrass Steppe: A Long-Term Perspective summarizes and synthesizes more than sixty years of research that has been conducted throughout the shortgrass region in North America. The shortgrass steppe was an important focus of the International Biological Program's Grassland Biome project, which ran from the late s until the cturer: Oxford University Press.
Elevated CO2 in the shortgrass steppe Morgan, Jack A. 3 1 INTRODUCTION 2 Atmospheric [CO2] has been rising steadily from approximately µL L 3 -1 at the start of the industrial 4 revolution to over µL L-1 today, and is predicted to exceed µL L by the end of the century (IPCC, ).
5 Most plant species exhibit increased production when [CO2] is increased above present ambient. There is a lack of information on how best to restore areas of the shortgrass steppe region of the United States that have been degraded by disturbances. In a previous set of short-term studies we explored restoration approaches based upon novel seeding approaches.
In these studies we used new species combinations and new seeding rates based on emerging ecological principles. The next ecological book written on the shortgrass steppe will need to focus on important human-landscape interactions as the urban conflagrations of Cheyenne, Fort Collins, Greeley, Denver, Colorado Springs, and Pueblo continue their spread eastward.
In the meantime, this book is a “must-have” operating guide for understanding. We examined the importance of plant species and plant cover (i.e., plant covered microsites vs. bare soil) on nutrient cycling in shortgrass steppe of northeastern Colorado. We tested the effects of both plant species and cover on soils in an area of undisturbed shortgrass steppe and an area that had undergone nitrogen and water additions from Cited by: Ecology of the Shortgrass Steppe: A Long-Term Perspective summarizes and synthesizes more than sixty years of research that has been conducted throughout the shortgrass region in North America.
The shortgrass steppe was an important focus of the International Biological Program’s Grassland Biome project, which ran from the late s until. Develop some hypotheses that explain why the vegetation in the shortgrass steppe is so very different than in the Rocky Mountains and foothills, which are fewer than miles to the west.
Learn about another location on earth that is similar in structure and function to shortgrass steppe of Colorado. A set of long term15N studies was initiated during the summers of and on the backslope and footslope, respectively, of a catena in the shortgrass steppe of northeastern Colorado.
Microplots labeled with15N urea were sampled for15N and total N content in and and again in In November,% of the added N was recovered in the soil-plant system of the finer Cited by: It was this drive that brought me to the Central Plains Experimental Range (CPER) in the short grass steppe of Pawnee National Grassland in eastern Colorado.
My two guides, David Augustine and Justin Derner, were kind enough to spend a morning showing me around their site. First impressions- the obvious: CPER is much drier. The Future of the Shortgrass Steppe On th e su bs tanti al are a o f no rthern Co lor ado (≈80, h a) in p ub lic lan ds s uch as th e P a w n e e N a t i o n al Gr as sl and (P N G.
Evapotranspiration was estimated by the water balance method for three water and nitrogen treatments and a control in a shortgrass prairie in northeastern Colorado inand To assess the temporal and spatial dynamics of soil water at a shortgrass steppe site in northcentral Colorado, we evaluated the precipitation regime for a 33—yr period and ran a simulation model for this period.
—term soil water patterns and traits of the major species allows us to suggest why Bouteloua gracilis is the dominant species Cited by: Colorado State University. (, January 12). Colorado State University Study Reveals Climate Change, Longer Growing Seasons Could Harm Grazing On Western Shortgrass Steppe.
ScienceDaily. Agriculture, Ecosystems and Environment, 24 () Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands Nematophagy by Soil Arthropods from the Shortgrass Steppe, Chihuahuan Desert and Rocky Mountains of the Central United States DAVID EVANS WALTER Natural Resource Ecology Laboratory and Department of Entomology, Colorado State University, Fort Collins, Cited by: of studies that have been interpreted as indicating negative effects of fire on shortgrass steppe [4,6,8,11,12,17,19].
Most of this literature focused primarily on the use of fire as a tool to increase grassland productivity to benefit domestic livestock . Even though fire is a natural component of shortgrass steppe, semi.
ECOPHYSIOLOGICAL STUDIES OF FOUR AMAZONIAN WEEDY SPECIES: IMPLICATIONS FOR THEIR INVASIVE POTENTIAL Moacyr B.
Dias-Filho, Ph.D. Cornell University Very little is known about the biology of the weed flora that invade Amazonian agroecosystems.
Such .To determine how grazing management and environmental factors affect NEE on shortgrass steppe, Bowen ratio energy balance (BREB) towers equipped with infrared gas analyzers for continuously monitoring CO 2 fluxes were installed and operated continuously on pastures in the Colorado shortgrass steppe from to From tothree Cited by: Research Note Influence of Fire on Black-Tailed Prairie Dog Colony Expansion in Shortgrass Steppe David J.
Augustine,1 Jack F. Cully, Jr.,2 and Tammi L. Johnson3 Authors are 1Research Ecologist, USDA–ARS, Rangeland Resources Research Unit, Fort Collins, CO ; 2Assistant Unit Leader—Wildlife, USGS– BRD Kansas Cooperative Fish and Wildlife Research Unit, Division of .