Habitat complexity Litter Management Soil properties Urban hydrology Vegetation.Ĭopyright © 2015 Elsevier Ltd. The effect of soil structure on the hydrological response (in terms of runoff-infiltration partitioning) is then quantified from point to grid cell scale to estimate scale appropriate. To minimize the incidence of stormwater runoff from urban ecosystems, land managers could incrementally increase the complexity of habitat patches, by increasing canopy density and volume, preserving surface litter and maintaining soil macropore structure. Litter layers on the soil surface would absorb most of precipitation events in high-complexity parks and high-complexity remnants. Low-complexity parks would generate runoff during modest precipitation events, whereas high-complexity parks and remnants would be able to absorb the vast majority of rainfall events without generating runoff. Conversely, soil water holding capacity in low-complexity parks was significantly higher compared to the two more complex habitat types. Saturated soil hydraulic conductivity in low-complexity parks was an order of magnitude lower than that measured in the more complex habitat types, due to fewer soil macropores. Using a network of urban parks and remnant nature reserves in Melbourne, Australia, replicate plots representing three types of habitat complexity were established: low-complexity parks, high-complexity parks, and high-complexity remnants. This study aims to investigate the influence that habitat components and habitat complexity have upon key hydrological processes and the implications for urban habitat management. Management practices can directly and indirectly affect each of these components and the overall habitat complexity, ultimately affecting hydrological processes. dams and percolation ponds on catchment-scale event-based runoff and sediment yield. However, hydrological properties can vary at smaller scales depending upon changes in soil, surface litter and vegetation components. Effect of water harvesting techniques on hydrological processes and. Their hydrological properties have largely been investigated at the landscape scale and in comparison with other urban land use types. Urban ecosystems have traditionally been considered to be pervious features of our cities.
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