Resultados de búsqueda - "river"
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Multiple pesticide stressors and ecosystem functioning in stream detrital food webs
Publicado 2011“…Streams and rivers are highly susceptible to environmental degradation from agricultural activities, including the clearance of riparian vegetation and the runoff of chemical fertilizers and pesticides. …”
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Second cycle, A2E -
Välkommen
Publicado 2006“…The lakes are numerous and in several of the rivers hydroelectric power stations have been built. …”
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Otro -
Reviews and syntheses: An empirical spatiotemporal description of the global surface–atmosphere carbon fluxes: opportunities and data limitations
Publicado 2017“…The considered fluxes include net exchange of open oceans, continental shelves, estuaries, rivers, and lakes, as well as CO2 fluxes related to net ecosystem productivity, fire emissions, loss of tropical aboveground C, harvested wood and crops, as well as fossil fuel and cement emissions. …”
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Journal Article -
Efectividad de control de enfermedades mediante un sistema de ducha de bines
Publicado 2024Enlace del recurso
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Local perceptions of changes in ecosystem services and climate : case study in Ecuadorean Sierra
Publicado 2018“…The most frequently cited ecosystem services were water, timber and plants with symbolic or religious and medicinal value, and the perception among respondents significantly influenced by socio-demographic factors; namely land tenure status, distance to the forest, ethnicity, age class, education level (p < 0.05); (ii) The perception of forest cover change differed somewhat between male (63.2%) and female (35.6%) respondents as well as among age classes (p < 0.05) such that the young age class perceived a moderate change or no change to a greater degree than the other two age classes; (iii) Almost all respondents perceived an overall warming, drying up of rivers and springs, early onset of summer and monsoons and frequent dry season fires. …”
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Characterization of goat production systems and on- farm evaluation of the growth performance of grazing goats supplemented with different protein sources in Metema Woreda, Amhara...
Publicado 2009“…The major feed resource was natural pasture and source of water were from rivers, wells, natural ponds and springs. Enclosures near the fence or a separate hut for goats with a suspended wooden floor, about 0.5- 1 m above the ground, shelter were the two main methods of housing. …”
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Analys av varför sjöar klassats till dålig ekologisk status
Publicado 2017Enlace del recurso
First cycle, G2E