نتایج جستجو برای: playa wetland
تعداد نتایج: 11151 فیلتر نتایج به سال:
background: selection of different wastewater treatment methods depends on the kind of wastewater, geographical position of the community, quantity and quality of wastewater and effluent, technology and finance. natural wastewater treatment methods are simple, cheap and acceptable for developing countries specially small and remote countries and wetland is one of these methods. wetlands include...
We used wetland mesocosms (1) to experimentally assess whether inoculating a restored wetland site with vegetation/sediment plugs from a natural wetland would alter the development of invertebrate communities relative to unaided controls and (2) to determine if stocking of a poor invertebrate colonizer could further modify community development beyond that due to simple inoculation. After filli...
Atmospheric mercury is the dominant Hg source to fish in northern Minnesota and elsewhere. However, atmospherically derived Hg must be methylated prior to accumulating in fish. Sulfate-reducing bacteria are thought to be the primary methylators of Hg in the environment. Previous laboratory and field mesocosm studies have demonstrated an increase in methylmercury (MeHg) levels in sediment and pe...
The continental population of northern pintails (Anas acuta; hereafter pintails) has declined since the late 1970s, possibly due to poor breeding propensity, low nest success, and low survival rates in response to habitat loss. Survival estimates are unavailable for several winter and migration areas including the Playa Lakes Region (PLR) of northwestern Texas, USA. We investigated winter survi...
State University, Columbus, Ohio, Capital Medical Associates, Washington DC, DC, The Dr James J Rahal Jr. Division of Infectious Disease, NewYork-Presbyterian Queens, Flushing, New York, La Playa Medical Group, San Diego, California, AIDS Healthcare Foundation, Los Angeles, California, APEX Research, Denver, Colorado, Atlanta Infectious Disease Group PC, Atlanta, Georgia, Gilead Sciences, Foste...
State University, Columbus, Ohio, Capital Medical Associates, Washington DC, DC, The Dr James J Rahal Jr. Division of Infectious Disease, NewYork-Presbyterian Queens, Flushing, New York, La Playa Medical Group, San Diego, California, AIDS Healthcare Foundation, Los Angeles, California, APEX Research, Denver, Colorado, Atlanta Infectious Disease Group PC, Atlanta, Georgia, Gilead Sciences, Foste...
The ability of Nakivubo wetland (which has performed tertiary water treatment for Kampala city for the past 40 years) to respond to pollution and to protect the water quality of Inner Murchison Bay of Lake Victoria was investigated. The aim of this study was to assess the capacity of Nakivubo wetland to remove nitrogen from the wastewater after its recent encroachment and modification, in order...
In this research, the evaluation of possible effects of land-use change on water quality in Shadegan wetland has been provided with the help of remote sensing data. The purpose of this research was to evaluate and compare user variations in 2000 and 2015 using Landsat satellite imagery (with ETM and OLI sensors) from the study area and processing them in the ERDAS software environment using the...
Recognizing of plants present in a region is considered as a baseline study for ecological research, management and conservation of plants. The purpose of this study was to collect and identify the plants of Azizak and Paein Ahmad kola Wetlands of Babolsar in Mazandaran province. After specifying the boundaries of the study areas on the map and conducting field visits, the plants were collecte...
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