Into Derelict Site Reading Answers: Worms Put New Life
The process of using worms to decontaminate soil is known as vermiremediation. This operates through three primary mechanisms:
: Worms aerate the soil and add nitrogen through their "feeding and casting actions," while 250,000 trees (like willow and alder) extract heavy metals. Project Goal
The site is initially too hostile for vegetation. Standard soil tests reveal toxicity and compaction. Worms, typically the red wiggler ( Eisenia fetida ) or specific endogeic species, are introduced. These species are selected for their hardiness and high reproductive rates.
The passage describes the regeneration of the former Hallside steelworks at Cambuslang near Glasgow, Scotland. After more than 100 years of steel production, the plant closed in 1979, leaving behind heavily contaminated land. The 30-hectare site was so polluted with heavy metals including chromium, cadmium and lead that it was considered useless for any kind of construction or development. worms put new life into derelict site reading answers
(Applicable to other locations like Gartcosh and Glengarnock). more detailed breakdown of the vocabulary used in this passage to help with your IELTS preparation Worms put new life into derelict site Reading Answers
Earthworms consume organic debris along with soil particles. Inside their digestive tracts, this mixture is processed and excreted as .
Worms ingest soil particles containing heavy metals, absorbing the toxins into their own body tissues (specifically the chloragogenous tissue). The process of using worms to decontaminate soil
The success of this experiment has significant implications for ecological restoration and environmental remediation. The use of worms as a tool for revitalizing derelict sites offers a low-cost, sustainable, and non-invasive approach, which can be applied to a wide range of ecosystems.
Below is an overview of the passage's themes, followed by the specific answers and explanations for the associated questions. Article Summary: Turning Waste into Wealth
Planting trees for a renewable energy park ensures long-term funding. Standard soil tests reveal toxicity and compaction
One of the most remarkable findings in modern ecological research is the ability of earthworms to assist in the mitigation of toxic heavy metals.
These are simulated for practice only. Actual answers depend on your exact text.
The passage introduces a form of bioremediation using earthworms. Earthworms act as biological ecosystem engineers by:
Scan for words like "worms," "soil," "contaminants," and "rehabilitation."
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