Index Catalog // ScholarsArchive@OSU

Water Efficiency for Urban Landscapes in Semi-Arid Environments

Creator:: Martinson, Richard W.
Abstract:: Urban landscape water use is increasingly a focus of water conservation efforts. This is especially true in the arid and semi-arid regions of the western United States where increased demand, environmental concerns, and extended periods of drought have created chronic water shortages. However, until recently, little attention has been paid...
Resource Type:: Dissertation
Full Text:: outdoor water use in semi-arid urban environments, including results of two separate studies looking at

Soil surface application of asphalt in afforestation in semi-arid zones of Iran

Creator:: Kowsar, Ahang
Resource Type:: Dissertation
Full Text:: dissertation is a phase of afforestation research in arid and semi-arid environments. It is conducted by the

Germination and seedling establishment of spiny hopsage (Grayia spinosa [Hook.] Moq.)

Creator:: Shaw, Nancy L. (Nancy Lynn), 1947-
Resource Type:: Dissertation
Full Text:: SEEDLING ESTABLISHMENT OF SPINY HOPSAGE IN RESPONSE TO PLANTING DATE AND SEEDBED ENVIRONMENT. 77 Abstract

Carbon and energy exchange of semi-arid ecosystems with heterogeneous canopy structure

Creator:: Anthoni, Peter M.
Abstract:: Carbon and energy fluxes were measured with the eddy covariance technique above two semi-arid ecosystems, ponderosa pine and juniper/sagebrush, located in central Oregon. The two ecosystems have low LAI and a very open canopy structure. The energy closure was ~70-80% at both ecosystems, equivalent to an imbalance of 150-250 W...
Resource Type:: Dissertation
Full Text:: Exchange of Semi-arid Ecosystems with Heterogeneous Canopy Structure Abstract approved: Carbon and

Hydrological consequences of two native shrubs in semi-arid Senegal : patterns, processes, concepts and methods

Creator:: Kizito, Fred
Abstract:: Water availability is a critical limiting element in semi-arid ecosystem productivity and presents particular challenges in Sahelian countries such as Senegal. The landscapes are characterized by the presence of two common semi-arid shrubs (Piliostigma reticulatum and Guiera senegalensis), both of which may be important hydraulic regulators in these water-limited ecosystems....
Resource Type:: Dissertation
Full Text:: use patterns under Guiera senegalensis L. shrubs in a tropical savanna. Journal of Arid Environments

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Creator:: Nash, Caroline S.
Abstract:: Wet meadow ecosystems are a useful natural laboratory in which to explore feedbacks between biogenic and geologic controls on valley bottom landforms. Characterized by flat valley floors flanked by higher-gradient hillslopes, these meadows are singular both in that they represent depositional features in what is primarily an erosional environment, and...
Resource Type:: Dissertation
Full Text:: upland environments. Wet meadows of the type found in the semi-arid Western United States are commonly

Directing ecological succession : the role of competition in restoring semi-arid grasslands dominated by invasive plants

Creator:: Mangla, Seema
Abstract:: Successful ecosystem restoration requires an understanding of the ecological processes directing succession. One of the challenges in the semi-arid grasslands of western United States is replacement of native species by invasive annual grasses. Solutions to this problem require identifying and manipulating ecological processes that direct succession to favor desired vegetation....
Resource Type:: Dissertation
Full Text:: , 211–217. Simberloff, D., 2005. Non-native species do threaten the natural environment. Journal of

Activity, composition and structure of soil microbial communities in Savannahshrubs of agroecosystems in semi-arid Senegal

Creator:: Diedhiou, Sire
Abstract:: Piliostigma reticulatum and Guiera senegalensis are two native shrubs that coexist with row crops in parkland systems of the Sahel of Africa. Although permanently green all year around in soil depleted in nutrients and dry for a nine-month period, these shrubs have been largely overlooked. Conventional management of these shrubs...
Resource Type:: Dissertation
Full Text:: plant roots, and typically it is characteristic of semi-arid to arid environments (Richards and

Drought, dispersal, and community dynamics in arid-land streams

Creator:: Bogan, Michael T.
Abstract:: Understanding the mechanisms that regulate local species diversity and community structure is a perennial goal of ecology. Local community structure can be viewed as the result of numerous local and regional processes; these processes act as filters that reduce the regional species pool down to the observed local community. In...
Resource Type:: Dissertation
Full Text:: primary regulator of local diversity and community composition. This is especially true in arid- land

Ecohydrological mediation of water budget partitioning and time scales of subsurface flow in a seasonally semi-arid grassland

Creator:: Pangle, Luke A.
Abstract:: Understanding how the interactions and feedbacks between plant function, climate, and soils ultimately affects the terrestrial water balance and subsurface flow processes is major challenge in scientific hydrology. This dissertation summarizes the findings of a manipulative climate warming experiment, an observational field study that utilized stable-isotope tracers, and associated modeling...
Resource Type:: Dissertation
Full Text:: time scales of subsurface flow in a seasonally semi-arid grassland AN ABSTRACT OF THE DISSERTATION

ScholarsArchive@OSU

Water Efficiency for Urban Landscapes in Semi-Arid Environments

Soil surface application of asphalt in afforestation in semi-arid zones of Iran

Germination and seedling establishment of spiny hopsage (Grayia spinosa [Hook.] Moq.)

Carbon and energy exchange of semi-arid ecosystems with heterogeneous canopy structure

Hydrological consequences of two native shrubs in semi-arid Senegal : patterns, processes, concepts and methods

Construction, Degradation, and Restoration of Wet Meadow Ecosystems in Semi-arid Landscapes, Northern Great Basin, USA

Directing ecological succession : the role of competition in restoring semi-arid grasslands dominated by invasive plants

Activity, composition and structure of soil microbial communities in Savannahshrubs of agroecosystems in semi-arid Senegal

Drought, dispersal, and community dynamics in arid-land streams

Ecohydrological mediation of water budget partitioning and time scales of subsurface flow in a seasonally semi-arid grassland

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