Resultados de búsqueda - "river"

  1. Vägtrummeinventering por Wik, Tor

    Publicado 2021
    Enlace del recurso
    First cycle, G2E
  2. Multiple pesticide stressors and ecosystem functioning in stream detrital food webs por Dawoud, Mohab

    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. …”
    Enlace del recurso
    Second cycle, A2E
  3. Välkommen por Nilsson, Anna

    Publicado 2006
    “…The lakes are numerous and in several of the rivers hydroelectric power stations have been built. …”
    Enlace del recurso
    Otro
  4. Reviews and syntheses: An empirical spatiotemporal description of the global surface–atmosphere carbon fluxes: opportunities and data limitations por Zscheischler, J., Mahecha, M.D., Avitabile, V., Calle, L., Carvalhais, N., Ciais, Philippe, Gans, F., Gruber, N., Hartmann, J., Herold, M., Ichii, Kazuhito, Jung, M., Landschütze, P., Laruelle, G.G., Lauerwald, R., Papale, D., Peylin, P., Poulter, B., Ray, D., Regnier, P., Rödenbeck, C., Román Cuesta, Rosa María, Schwalm, C., Tramontana, G., Tyukavina, A., Valentini, R., Werf, G. van der, West, T.O., Wolf, J.E., Reichstein, M.

    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. …”
    Enlace del recurso
    Journal Article
  5. Local perceptions of changes in ecosystem services and climate : case study in Ecuadorean Sierra por Sundqvist, Anna

    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. …”
    H2
  6. 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... por Tsegaye, T.

    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. …”
    Enlace del recurso
    Tesis
  7. Urban grönstruktur por Mason, Tanja

    Publicado 2015
    Enlace del recurso
    First cycle, G2E

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