نتایج جستجو برای: ground water ecology
تعداد نتایج: 725778 فیلتر نتایج به سال:
A major issue in anti-bacterial therapy is the development of resistance in the otherwise sensitive strains of bacteria. Exposure of bacteria to low doses of an antibiotic naturally selects for the survival of resistant organisms. The spread of these resistant strains of pathogenic bacteria from environment poses problems to treat such infections. In order to understand the ecology and evolutio...
Reedswamps meet three important functions in landscape ecology: They act as a structural element and as a food-plant for a highly specialized fauna (species protection), the rhizomes stabilize the sediment and the stalks dissipate the wave energy (shore protection), and they improve the conditions for an enhanced microbial decomposition of an external organic load and an elimination or fIXation...
Sloshing due to ground motion develops large pressure on the walls of water retaining tanks. This paper evaluates the efficacy of padded walls on the reduction of sloshing effects in rectangular water storage tanks subjected to ground motion. An analytical solution based on velocity potential function is provided to obtain the response of rigid and padded wall tanks in terms of the wave elevat...
This paper develops a political–industrial ecology approach to explore the urban water metabolism of Los Angeles, which sprawls for thousands of miles across the American West. Conventional approaches to quantify urban carbon footprints rely on global, national, or regional averages and focus narrowly on improving the efficiency of flows of resources moving into and out of the city. These appro...
The objective of this paper is to provide an overview of the primary results of the Semi-Arid Land–Surface–Atmosphere (SALSA) Program in the context of improvements to our overall understanding of hydrologic, ecologic, and atmospheric processes and their interactions in a semi-arid basin. The major findings and future research needs associated with the different core components of the program a...
Crassignathadanaugirangensis sp. n. (Araneae: Symphytognathidae) was discovered during a tropical ecology field course held at the Danau Girang Field Centre in Sabah, Malaysia. A taxonomic description and accompanying ecological study were completed as course activities. To assess the ecology of this species, which belongs to the ground-web-building spider community, three habitat types were su...
The Arc Hydro ground water data model is a geographic data model for representing spatial and temporal ground water information within a geographic information system (GIS). The data model is a standardized representation of ground water systems within a spatial database that provides a public domain template for GIS users to store, document, and analyze commonly used spatial and temporal groun...
Evolutionary changes in plant reproductive traits following habitat fragmentation and their consequences for population fitness Hans Jacquemyn*, Luc De Meester, Eelke Jongejans and Olivier Honnay Laboratory of Plant Ecology, University of Leuven, Arenbergpark 31, B-3001 Heverlee, Belgium; Laboratory of Aquatic Ecology and Evolutionary Biology, University of Leuven, Charles Deberiotstraat 32, B-...
First Nations Elders are very concerned about whether enough clean drinking water will exist for future generations. Three highly respected Elders from the Southern Interior of British Columbia helped the author investigate First Nations water-based ecology: Mary Thomas from the Secwepemc (Shuswap), Millie Michell from the Nlaka’pamux (Thompson), and Mary Louie from the Syilx (Okanagan) Nation....
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