Resultados de búsqueda - "river"

Trace metals in soils irrigated with waste water in a periurban area downstream Hanoi City, Vietnam por Bjuhr, Josef

“…The rapid urbanization and industrialisation in many South-East Asian countries has resulted in increasing amounts of untreated industrial and domestic waste water, which is discharged into rivers and lakes. The waste water is a highly complex and nutrient rich water solution used by the farmers for irrigation of their fields. …”

Återställa och bevara : en tvärsektoriell ansats vid restaurering av flottningsleder i Njakafjällsområdet por Linde, Elin

250 years of disturbance dynamics in a pristine old-growth Picea abies forest in Arkhangelsk region, north-western Russia por Khakimulina, Tatiana

“…The study area was located in the transitional vegetation zone of the middle and northern taiga, on the watershed of Northern Dvina and Pinega rivers, North-Western Russia. Spatial and temporal characteristics of canopy disturbances were studied within the area of 1.8 ha along the two transects, 20x450 m2 each. …”
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New urban room within the city of Kranj por Romih, Eva

“…Kranj is a picturesque historic town above the confluence of two alpine rivers – the Sava and the Kokra. Due to its geographical position – on the junction of important routes, leading from the Northern Europe to the Adriatic Sea and from the Western Europe towards the Eastern Europe – Kranj is also a strong commercial as well as cultural and historical centre. …”

Estimating CO2 evasion from streams connected to a boreal lake por Okrouhlíková, Šárka

“…Much of the efforts of determining the evasion component have been on lakes and large rivers while less focus has been spent on headwater streams. …”
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Organic matter properties and their relation to phosphorus and nitrogen concentrations in Swedish agricultural streams por Ehnvall, Betty

“…Together these substances cause eutrophication in streams, rivers and eventually the Baltic Sea. The interactions between different fractions of DOM and nutrients are not very well understood. …”
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Hydrauliken i Ångersjöns fosforfällor por Jansson, Ellinor

“…Discharge of untreated wastewater leads to unnaturally high levels of nitrogen and phosphorus in rivers, lakes and the sea, which results in unbalanced ecosystems with eutrophication and lack of oxygen. …”
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Tanzania Country Climate Risk Profile Series, Mufindi District por Jalang’o Anyango, Dorcas, Begasha, Edgar, Kweka, Tumainiely

“…The natural resources that support agricultural production—including rivers and forests—are also degrading due to extreme climate events. …”
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Payment for ecosystem services pilot project in Lake Naivasha, Kenya: equitable payment for watershed services scheme in Naivasha por Shaw, Alison, Kristjanson, Patricia M.

“…Context: The need to reduce sediment load in rivers is linked with livelihood improvements in the upper catchment of Navaisha Lake. …”
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Mapping the irrigated rice cropping patterns of the Mekong delta, Vietnam, through hyper-temporal SPOT NDVI image analysis por Nguyen, T.T.H., Bie, C.A.J.M. de, Ali, A., Smaling, E.M.A., Hoanh, Chu Thai

“…We found that the spatial distributions of the triple and the double rice cropping systems are highly related to the flooding regime from the Hau and Tien rivers. Areas that are highly vulnerable to flooding in the upper part and those that are saline in the north-western part of the delta mostly have a double rice cropping system, whilst areas in the central and the south-eastern parts mostly have a triple rice cropping system. …”
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Smallholder-based fruit seedling supply system for sustainable fruit production in Ethiopia: lessons from the IPMS experience por Berhe, Kahsay, Dessalegn, Yigsaw, Baredo, Y., Teka, W., Hoekstra, Dirk, Tegegne, Azage

“…Substantial areas receive sufficient rainfall and many lakes, rivers and streams could also be used to support fruit production. …”
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Green feed in the marine fish farming por Jansson, Therese A.M.

“…The applied term aquaculture in this paper refers to the one used by NOAA (2008); breeding, rearing, and harvesting of plants and animals in all kind of water environments, including but not limited to ponds, rivers, lakes, and the ocean. According to Shamshak & Anderson (2008, p. 74) aquaculture has over the past 20 years been the fastest growing food sector with an average annual growth rate of 8.7%. …”
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Rural water supply management and sustainability in Ethiopia with special emphasis on water suplly schemes in Adama area por Tadessa Lencha, Abebe

“…The major sources of drinking water for the vast majority of the rural population (84% of the country total) in Ethiopia are surface run offs represented by unprotected springs, ponds, rivers, and hand dug wells whose health risk is significant as they are exposed to contamination caused by human beings, livestock, wildlife and uncontrolled flooding. …”
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Uso de parasitoides en el control biológico de insectos plaga en Colombia por Löhr, Bernhard, Díaz Niño, María Fernanda, Manzano Martínez, María del Rosario, Narváez Vásquez, Consuelo Alexandra, Gómez Jiménez, María Isabel, Carabalí Muñoz, Arturo, Vargas, Germán, Kondo, Takumasa, Bustillo Pardey, Alex Enrique

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Estimating the economic costs of COVID-19 in Nigeria por Andam, Kwaw S., Edeh, Hyacinth O., Oboh, Victor, Pauw, Karl, Thurlow, James

“…Our analysis focuses on the five-week lockdown implemented by the federal government across the Federal Capital Territory of Abuja and Lagos and Ogun states from late March to early May 2020, the federal lockdown for Kano from mid-April, and the state-level lockdowns that were implemented from mid-April for around seven weeks in Akwa Ibom, Borno, Ekiti, Kwara, Osun, Rivers, and Taraba states. We estimate that during the lockdown periods Nigeria’s GDP suffered a 34.1 percent loss due to COVID-19, amounting to USD 16 billion, with two-thirds of the losses coming from the services sector. …”
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Physico-chemical characteristics of some soils from Mali and their potential in heavy metal removal por Sällström, Märit

“…Rivers, streams and groundwater contaminated by heavy metals is a growing concern world wide as the pressure on existing water resources is increasing. …”

Production and marketing systems of sheep and goats in Alaba, Southern Ethiopia por Kocho, T.K.

“…Flock water are largely comes from rivers (Bilate and Dijo) (55.2%), artificial ponds (21.9%), trough and harvested water. …”
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Village Baseline Study – Site Analysis Report Ma village-Yen Binh district, Vietnam por Hieu, Do Trong, Hoan, Le Khai, San, Le Viet, Hai, Le Van, Duong, Minh Tuan, Quyen, Luu Ngoc, Sen, Pham Thi, Ferrer, Alice J., Tan Yen, Bui

“…Water resources, including lakes, rivers and streams have been severely polluted with pollutants from processing cassava, wood and also from animal husbandry and crop production. …”
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Indirect Impact Assessment of the road segment San Juan Nepomuceno-Ruta 6 in Paraguay por Reymondin, Louis, Arévalos, Fabiana, Palacios, Fernando, Caballero, Jazmín, Ortíz, Edder, Báez, Marcos, Arango, David, Bautista, Oscar, Yanosky, Alberto, Villalba, Alberto

“…Using this baseline and additional datasets such as distance to roads, distance to rivers, ecosystems and elevation, a map of deforestation risk was developed at national scale and then applied in the area of influence of the studied road. …”
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Agricultura y riesgo ambiental en las microcuencas del Cumaru y Caripi en la Amazonía Brasileña: efectos del uso de los agroquímicos por Amaral, Catarina Marcelo de Lima

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