Variations In Nutrient Supply Essay, Research Paper
Abiotic factors ?
weathering – action of water on substratum
( underlying rock ) . Freeze/thawing
and acidity of water can all result in the release of mineral ions. Biotic
factors- Detritivores ? primary consumers that feed on detritus ? organic debris from decomposition
of plants and animals. Are larger
organisms than decomposers ingest food and digest it internally eg. Worms,
woodlice, maggots , millipedes. Aid
activity of decomposers by :- 1.
Reducing size of
detritus particles resulting in a larger surface area for activity of
decomposers and easier access. 2.
Add their faeces to detritus . 3.
Aerate the soil by their activity improving oxygen content of
soil and increasing respiration of decomposers. Decomposers ? see
earlier.