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Traditional hydrological system of the Cordillera rice terraces

by Adam Zhou | 25-07-2018 22:56

There is the aim to assess the impact of climate change on the traditional hydrological system of the Cordillera rice terraces.  The terracing method is a part of the whole complex and robust socioecological system (SES) built within the Tropical Montane Cloud Forest (TMCF). Cordillera?s traditional hydrological system is a water conservation technique and management model. As rapid climate change threatens the sustainability and ecological integrity of this thousands of year old procedure, assessment schemes that determine transformation as well as the vulnerabilities climate change brings about to this form of traditional water management must be put forward.

Using a meta-analysis mode of both quantitative and qualitative measurement, the following factors were seen to be most prominent that contributed to the external harm of the TMCF

  • conversion to temperate vegetable cropping in the tropics

  • gathering wood for charcoal production

  • timber harvesting

  • mining

  • unsustainable extraction of non-timber forest products (e.g. orchids and bromeliads)

  • introduction of alien species

  • the construction of telecommunications installations in cloud forests on mountain tops

  • Erosions: specific focus on earthworm and other insect infestation related to farming (then related to pesticides used to eradicate such)

  • Fisheries (biophysical, coastal land and marine resource, boundaries and concentration and movement of fishers and fisheries products

  • pattern and control of primary production

  • spatial and temporal distribution of populations selected to represent trophic structure;

  • pattern and control of organic matter accumulation in surface layers and sediments;

  • patterns of inorganic inputs and movements of nutrients through soils, groundwater, and surface waters; and

  • patterns and frequency of site disturbances.


Given these, it is possible to identify which are most prevalent to the system at hand by observing the best fit correlation measurement. Further studies still need to be done as to whether these factors, however, are particular to a given biome such as that of the TMCF or can be utilized for other frameworks.