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Soil Organisms


Earthworm, Cacing tanah

They has no legs. Their bodies are long, slender, soft and segmented. Although they cannot see or hear, they are sensitive to light and vibration.

Local name: Cacing tanah

Ecological function: Ecosystem engineer, detritivore, prey-predator relationship

Level in food chain: Primary and secondary consumer

Feeding behaviour: Omnivore, detritivore, geophagous (soil-eating)

Food item: Soil, decaying and living plant matter, fungi, bacteria and other microscopic animals

Microhabitat:  Soil, litter

Importance: Improve soil structure and fertility by burrowing and casting



Ant, Semut

They have a thin waist and are usually wingless. They build nests in soil. They live in colonies and are divided into queens and workers.

Local name: Semut

Ecological function: Detritivore, predator, scavenger

Level in food chain: Primary and secondary consumer

Feeding behaviour: Omnivore, detritivore

Food item: Seeds, fruits, plant saps, fungi, milk of aphids and other true bugs, insect eggs and larvae, small living or dead invertebrates

Microhabitat:  Almost everywhere

Importance: Improve soil structure and fertility by feeding and nesting



Termite, Anai-anai

They have thick waists, short legs and straight antennae. The workers and solders are wingless, soft-bodied and cream-white. The swarmers (reproductive adults) have two pairs of long wings and are covered by hard exoskeletons that are brown in colour.

Local name: Anai-anai

Ecological function: Detritivore, prey-predator relationship

Level in food chain: Primary consumer

Feeding behaviour: Herbivore, detritivore

Food item: Wood, grass, leaves, humus, manure of plant-eating animals, and materials of vegetative origin such as paper, cardboard and cotton

Microhabitat:  Decaying wood, soil, man-made environments such as buildings

Importance: Promote nutrient cycling by breaking down woody materials



Beetle, Kumbang

They have two sets of wing. Underneath their thick, hard forewings are the folded, fragile wings for flying.

Local name: Kumbang

Ecological function: Pollinator, decomposer, scavenger, predator, prey-predator relationship

Level in food chain: Primary and secondary consumer

Feeding behaviour: Omnivore, detritivore, coprophagous (faeces-eating)

Food item: Living plant materials, fungi, eggs, faeces, other small animals

Microhabitat: Almost everywhere

Importance: Improve soil structure and fertility by feeding and foraging


Bob Goldstein, UNC Chapel Hill http://bio.unc.edu/people/faculty/goldstein/, CC BY-SA 3.0, via Wikimedia Commons

Nematode, Cacing gelang

They are long, slender, tapered at both ends. Their bodies are smooth and unsegmented.

Local name: Cacing gelang

Ecological function: Decomposer, parasite, predator, prey-predator relationship

Level in food chain: Decomposer; primary and secondary consumer

Feeding behaviour: Herbivore, microbivore, detritivore, omnivore or carnivore

Food item: Organic debris, plant roots, bacteria, algae, fungi, other nematodes

Microhabitat: Animals and plants, soil, freshwater and marine

Importance: Promote nutrient cycling by decomposition and feeding


S.E. Thorpe, Public domain, via Wikimedia Commons

Mite, Hama

They have four pairs of legs. They may appear as tiny white dots moving across soil surface.

Local name: Hama

Ecological function: Parasite, predator, detritivore

Level in food chain: Primary and secondary consumer

Feeding behaviour: Herbivore, detritivore, microbivore, carnivore

Food item: Decaying organic matter, bacteria, algae, fungi, nematodes, other mites, various stages of insects

Microhabitat: Animals and plants, soil, freshwater and marine

Importance: Promote nutrient cycling by decomposition and feeding


Mvuijlst, CC BY-SA 3.0, via Wikimedia Commons

Springtail

Also known as Collembola, they are wingless and soft-bodied soil dwellers. When disturbed, they extend their forked tails to spring into the air. They have a tube-like structure under their abdomen to take up water.

Local name: –

Ecological function: Detritivore, predator

Level in food chain: Primary and secondary consumer

Feeding behaviour: Detritivore, microbivore, carnivore

Food item: Bacteria, fungi, lichens, algae, decaying vegetation. Some feed on dead animals, other springtails and small invertebrates, plant roots and young plants.

Microhabitat: Organic debris and places of high moisture; leaf litter, soil, sand, under stones or tree bark, in tree canopies, caves and nests of ant and termite

Importance: Promote nutrient cycling by feeding


Soil and Water Conservation Society (SWCS). 2000. Soil Biology Primer. Rev. ed. Ankeny, IA: Soil and Water Conservation Society.

Protozoa

They are microscopic and one-celled. Most of them have hair-like structures or arm-like outgrowths for feeding and movement.

Local name: –

Ecological function: Mutualist, parasite, predator, prey-predator relationship

Level in food chain: Primary, secondary and tertiary consumer

Feeding behaviour: Microbivore, herbivore, omnivore or carnivore

Food item: Algae, bacteria, fungi, other protozoa and small invertebrates

Microhabitat: Marine, freshwater and soil

Importance: Promote nutrient cycling by mineralising nutrients and controling bacteria population


Palica, CC BY-SA 3.0, via Wikimedia Commons

Centipede, Lipan

Their bodies are long, flattened and segmented. They have one pair of legs per segment. They use their modified front legs to inject venom into their prey.

Local name: Lipan

Ecological function: Predator, scavenger

Level in food chain: Secondary consumer

Feeding behaviour: Carnivore

Food item: Insects and other small animals; dead or decaying plants or animals

Microhabitat: Usually found in rotting materials

Importance: Improve soil structure by tunneling


Fungi, Kulat

They do not move. Their bodies are made up of threadlike structures. They release digestive enzymes to break down their food and absorb nutrients.

Local name: Kulat

Ecological function: Decomposer, mutualist, parasite

Level in food chain: Decomposer; primary and secondary consumer

Feeding behaviour: Decomposer

Food item: Dead or decaying materials such as wood, leaf litter, paper, textile and leather. Mutualistic fungi work with algae or plants and get nutrients in return. Parasitic fungi invade living plants and animals and obtain nourishment from their hosts.

Microhabitat: Soil, litter, freshwater or marine

Importance: Promote nutrient cycling by decomposition

By ShangMing

A plant lover. I like small, medium, gigantic, ordinary, exotic, local, foreign plants. Just because they thrive to stand out.