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WorksheetsPeat
Total questions: 10
Worksheet time: 6mins
Tropical Peat is a type of soil, which parent material is from?
Lime stone
Clay stone
Trunks
Sand
While, temperate peat is soil made of.....
Trunks
Spagnum/herb
Clay stone
Lime stone
In Indonesia, peat is largely situated in...
Sumatra, Kalimantan, and Papua
Sumatra, Sulawesi, Kalimantan
Papua
Sumatra
Some ecosystem functions of natural tropical peat swamp forest include:
Regulates water, storing water in dry season, and distribute excess water in rainy seasons
Sequestering carbon from the atmosphere
A land for oil palm plantations
A land for industrial plantations
Providing indeginous products
One of the largest existing uses of tropical peatlands in Indonesia is....
Agroforestry
Horticultiure
Palidiculture
Agriculture of oil palm
Oil palm plantations in tropical peatlands preliminerily require....to provide aeration for the plant to grow
Hole in hole planting
Soil tillage
Drainages
Fertilizers
After drainages are established in tropical peatlanda used for drainage base agriculture, the first stage of subsidence process takes place, it is ...
Decomposition
Consolidation
Further decomposition
Consolidation process causes peatland to subside rapidly to a rate of 30 cm per year, accompanied by continous decomposition, what will happen to peatlands if subsidence continues...
(a)
To prevent further subsidence in tropical peatlands, it is necessary to
Stopping excessive drainages aimed for rewetting
Bulding infrastructures to hold the subsidence
Planting plants as many as possible
Pumping water
When, rewetting of tropical peatlanda take places, the other necessary step is
Revegetation to assist natural regeneration and seed dispersal
Developing new plantations like those had been developed before rewetting
Developing new economic alternatives
Redraining the peatlands
